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add CH32V203 porting

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XIVN1987
2023-01-06 02:02:23 +08:00
parent c0938a4b86
commit 7d3e19af69
87 changed files with 28486 additions and 5 deletions
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CH32V203/src/Startup/ch32v20x.h
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CH32V203/src/Startup/core_riscv.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : RISC-V Core Peripheral Access Layer Source File
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*******************************************************************************/
#include <stdint.h>
/* define compiler specific symbols */
#if defined ( __CC_ARM )
#define __ASM __asm /*!< asm keyword for ARM Compiler */
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
#elif defined ( __ICCARM__ )
#define __ASM __asm /*!< asm keyword for IAR Compiler */
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
#elif defined ( __GNUC__ )
#define __ASM __asm /*!< asm keyword for GNU Compiler */
#define __INLINE inline /*!< inline keyword for GNU Compiler */
#elif defined ( __TASKING__ )
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
/*********************************************************************
* @fn __get_MSTATUS
*
* @brief Return the Machine Status Register
*
* @return mstatus value
*/
uint32_t __get_MSTATUS(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mstatus" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MSTATUS
*
* @brief Set the Machine Status Register
*
* @param value - set mstatus value
*
* @return none
*/
void __set_MSTATUS(uint32_t value)
{
__ASM volatile ("csrw mstatus, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MISA
*
* @brief Return the Machine ISA Register
*
* @return misa value
*/
uint32_t __get_MISA(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "misa" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MISA
*
* @brief Set the Machine ISA Register
*
* @param value - set misa value
*
* @return none
*/
void __set_MISA(uint32_t value)
{
__ASM volatile ("csrw misa, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MIE
*
* @brief Return the Machine Interrupt Enable Register
*
* @return mie value
*/
uint32_t __get_MIE(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mie" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MISA
*
* @brief Set the Machine ISA Register
*
* @param value - set mie value
*
* @return none
*/
void __set_MIE(uint32_t value)
{
__ASM volatile ("csrw mie, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MTVEC
*
* @brief Return the Machine Trap-Vector Base-Address Register
*
* @return mtvec value
*/
uint32_t __get_MTVEC(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mtvec" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MTVEC
*
* @brief Set the Machine Trap-Vector Base-Address Register
*
* @param value - set mtvec value
*
* @return none
*/
void __set_MTVEC(uint32_t value)
{
__ASM volatile ("csrw mtvec, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MSCRATCH
*
* @brief Return the Machine Seratch Register
*
* @return mscratch value
*/
uint32_t __get_MSCRATCH(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mscratch" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MSCRATCH
*
* @brief Set the Machine Seratch Register
*
* @param value - set mscratch value
*
* @return none
*/
void __set_MSCRATCH(uint32_t value)
{
__ASM volatile ("csrw mscratch, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MEPC
*
* @brief Return the Machine Exception Program Register
*
* @return mepc value
*/
uint32_t __get_MEPC(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mepc" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Exception Program Register
*
* @return mepc value
*/
void __set_MEPC(uint32_t value)
{
__ASM volatile ("csrw mepc, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MCAUSE
*
* @brief Return the Machine Cause Register
*
* @return mcause value
*/
uint32_t __get_MCAUSE(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mcause" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Cause Register
*
* @return mcause value
*/
void __set_MCAUSE(uint32_t value)
{
__ASM volatile ("csrw mcause, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MTVAL
*
* @brief Return the Machine Trap Value Register
*
* @return mtval value
*/
uint32_t __get_MTVAL(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mtval" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __set_MTVAL
*
* @brief Set the Machine Trap Value Register
*
* @return mtval value
*/
void __set_MTVAL(uint32_t value)
{
__ASM volatile ("csrw mtval, %0" : : "r" (value) );
}
/*********************************************************************
* @fn __get_MVENDORID
*
* @brief Return Vendor ID Register
*
* @return mvendorid value
*/
uint32_t __get_MVENDORID(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mvendorid" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __get_MARCHID
*
* @brief Return Machine Architecture ID Register
*
* @return marchid value
*/
uint32_t __get_MARCHID(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "marchid" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __get_MIMPID
*
* @brief Return Machine Implementation ID Register
*
* @return mimpid value
*/
uint32_t __get_MIMPID(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mimpid" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __get_MHARTID
*
* @brief Return Hart ID Register
*
* @return mhartid value
*/
uint32_t __get_MHARTID(void)
{
uint32_t result;
__ASM volatile ( "csrr %0," "mhartid" : "=r" (result) );
return (result);
}
/*********************************************************************
* @fn __get_SP
*
* @brief Return SP Register
*
* @return SP value
*/
uint32_t __get_SP(void)
{
uint32_t result;
__ASM volatile ( "mv %0," "sp" : "=r"(result) : );
return (result);
}
CH32V203/src/Startup/core_riscv.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : RISC-V Core Peripheral Access Layer Header File for CH32V20x
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*******************************************************************************/
#ifndef __CORE_RISCV_H__
#define __CORE_RISCV_H__
#ifdef __cplusplus
extern "C" {
#endif
/* IO definitions */
#ifdef __cplusplus
#define __I volatile /*!< defines 'read only' permissions */
#else
#define __I volatile const /*!< defines 'read only' permissions */
#endif
#define __O volatile /*!< defines 'write only' permissions */
#define __IO volatile /*!< defines 'read / write' permissions */
/* Standard Peripheral Library old types (maintained for legacy purpose) */
typedef __I uint64_t vuc64; /* Read Only */
typedef __I uint32_t vuc32; /* Read Only */
typedef __I uint16_t vuc16; /* Read Only */
typedef __I uint8_t vuc8; /* Read Only */
typedef const uint64_t uc64; /* Read Only */
typedef const uint32_t uc32; /* Read Only */
typedef const uint16_t uc16; /* Read Only */
typedef const uint8_t uc8; /* Read Only */
typedef __I int64_t vsc64; /* Read Only */
typedef __I int32_t vsc32; /* Read Only */
typedef __I int16_t vsc16; /* Read Only */
typedef __I int8_t vsc8; /* Read Only */
typedef const int64_t sc64; /* Read Only */
typedef const int32_t sc32; /* Read Only */
typedef const int16_t sc16; /* Read Only */
typedef const int8_t sc8; /* Read Only */
typedef __IO uint64_t vu64;
typedef __IO uint32_t vu32;
typedef __IO uint16_t vu16;
typedef __IO uint8_t vu8;
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef __IO int64_t vs64;
typedef __IO int32_t vs32;
typedef __IO int16_t vs16;
typedef __IO int8_t vs8;
typedef int64_t s64;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;
typedef enum {NoREADY = 0, READY = !NoREADY} ErrorStatus;
typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;
#define RV_STATIC_INLINE static inline
/* memory mapped structure for Program Fast Interrupt Controller (PFIC) */
typedef struct{
__I uint32_t ISR[8];
__I uint32_t IPR[8];
__IO uint32_t ITHRESDR;
__IO uint32_t RESERVED;
__IO uint32_t CFGR;
__I uint32_t GISR;
__IO uint8_t VTFIDR[4];
uint8_t RESERVED0[12];
__IO uint32_t VTFADDR[4];
uint8_t RESERVED1[0x90];
__O uint32_t IENR[8];
uint8_t RESERVED2[0x60];
__O uint32_t IRER[8];
uint8_t RESERVED3[0x60];
__O uint32_t IPSR[8];
uint8_t RESERVED4[0x60];
__O uint32_t IPRR[8];
uint8_t RESERVED5[0x60];
__IO uint32_t IACTR[8];
uint8_t RESERVED6[0xE0];
__IO uint8_t IPRIOR[256];
uint8_t RESERVED7[0x810];
__IO uint32_t SCTLR;
}PFIC_Type;
/* memory mapped structure for SysTick */
typedef struct
{
__IO u32 CTLR;
__IO u32 SR;
__IO u64 CNT;
__IO u64 CMP;
}SysTick_Type;
#define PFIC ((PFIC_Type *) 0xE000E000 )
#define NVIC PFIC
#define NVIC_KEY1 ((uint32_t)0xFA050000)
#define NVIC_KEY2 ((uint32_t)0xBCAF0000)
#define NVIC_KEY3 ((uint32_t)0xBEEF0000)
#define SysTick ((SysTick_Type *) 0xE000F000)
/*********************************************************************
* @fn __enable_irq
*
* @brief Enable Global Interrupt
*
* @return none
*/
RV_STATIC_INLINE void __enable_irq()
{
__asm volatile ("csrw 0x800, %0" : : "r" (0x6088) );
}
/*********************************************************************
* @fn __disable_irq
*
* @brief Disable Global Interrupt
*
* @return none
*/
RV_STATIC_INLINE void __disable_irq()
{
__asm volatile ("csrw 0x800, %0" : : "r" (0x6000) );
}
/*********************************************************************
* @fn __NOP
*
* @brief nop
*
* @return none
*/
RV_STATIC_INLINE void __NOP()
{
__asm volatile ("nop");
}
/*********************************************************************
* @fn NVIC_EnableIRQ
*
* @brief Disable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
RV_STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
{
NVIC->IENR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_DisableIRQ
*
* @brief Disable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
RV_STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
{
NVIC->IRER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetStatusIRQ
*
* @brief Get Interrupt Enable State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - 1: Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
RV_STATIC_INLINE uint32_t NVIC_GetStatusIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->ISR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_GetPendingIRQ
*
* @brief Get Interrupt Pending State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - 1: Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
RV_STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->IPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPendingIRQ
*
* @brief Set Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
RV_STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPSR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_ClearPendingIRQ
*
* @brief Clear Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
RV_STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPRR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetActive
*
* @brief Get Interrupt Active State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Active
* 0 - Interrupt No Active
*/
RV_STATIC_INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
{
return((uint32_t)((NVIC->IACTR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPriority
*
* @brief Set Interrupt Priority
*
* @param IRQn - Interrupt Numbers
* priority: bit7 - pre-emption priority
* bit6-bit4 - subpriority
*
* @return none
*/
RV_STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint8_t priority)
{
NVIC->IPRIOR[(uint32_t)(IRQn)] = priority;
}
/*********************************************************************
* @fn __WFI
*
* @brief Wait for Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFI(void)
{
NVIC->SCTLR &= ~(1<<3); // wfi
asm volatile ("wfi");
}
/*********************************************************************
* @fn __WFE
*
* @brief Wait for Events
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFE(void)
{
uint32_t t;
t = NVIC->SCTLR;
NVIC->SCTLR |= (1<<3)|(1<<5); // (wfi->wfe)+(__sev)
NVIC->SCTLR = (NVIC->SCTLR & ~(1<<5)) | ( t & (1<<5));
asm volatile ("wfi");
asm volatile ("wfi");
}
/*********************************************************************
* @fn SetVTFIRQ
*
* @brief Set VTF Interrupt
*
* @param addr - VTF interrupt service function base address.
* IRQn - Interrupt Numbers
* num - VTF Interrupt Numbers
* NewState - DISABLE or ENABLE
*
* @return none
*/
RV_STATIC_INLINE void SetVTFIRQ(uint32_t addr, IRQn_Type IRQn, uint8_t num, FunctionalState NewState){
if(num > 3) return ;
if (NewState != DISABLE)
{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)|0x1);
}
else{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)&(~0x1));
}
}
/*********************************************************************
* @fn NVIC_SystemReset
*
* @brief Initiate a system reset request
*
* @return none
*/
RV_STATIC_INLINE void NVIC_SystemReset(void)
{
NVIC->CFGR = NVIC_KEY3|(1<<7);
}
/* Core_Exported_Functions */
extern uint32_t __get_MSTATUS(void);
extern void __set_MSTATUS(uint32_t value);
extern uint32_t __get_MISA(void);
extern void __set_MISA(uint32_t value);
extern uint32_t __get_MIE(void);
extern void __set_MIE(uint32_t value);
extern uint32_t __get_MTVEC(void);
extern void __set_MTVEC(uint32_t value);
extern uint32_t __get_MSCRATCH(void);
extern void __set_MSCRATCH(uint32_t value);
extern uint32_t __get_MEPC(void);
extern void __set_MEPC(uint32_t value);
extern uint32_t __get_MCAUSE(void);
extern void __set_MCAUSE(uint32_t value);
extern uint32_t __get_MTVAL(void);
extern void __set_MTVAL(uint32_t value);
extern uint32_t __get_MVENDORID(void);
extern uint32_t __get_MARCHID(void);
extern uint32_t __get_MIMPID(void);
extern uint32_t __get_MHARTID(void);
extern uint32_t __get_SP(void);
#ifdef __cplusplus
}
#endif
#endif
CH32V203/src/Startup/startup_ch32v20x_D6.S
+264
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;/********************************** (C) COPYRIGHT *******************************
;* File Name : startup_ch32v20x_D6.s
;* Author : WCH
;* Version : V1.0.0
;* Date : 2021/06/06
;* Description : CH32V203F6-CH32V203F8-CH32V203G6-CH32V203G8-CH32V203K6-CH32V203K8-CH32V203C6-CH32V203C8
;* vector table for eclipse toolchain.
;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
;* SPDX-License-Identifier: Apache-2.0
;*******************************************************************************/
.section .init,"ax",@progbits
.global _start
.align 1
_start:
j handle_reset
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00100073
.section .vector,"ax",@progbits
.align 1
_vector_base:
.option norvc;
.word _start
.word 0
.word NMI_Handler /* NMI */
.word HardFault_Handler /* Hard Fault */
.word 0
.word Ecall_M_Mode_Handler /* Ecall M Mode */
.word 0
.word 0
.word Ecall_U_Mode_Handler /* Ecall U Mode */
.word Break_Point_Handler /* Break Point */
.word 0
.word 0
.word SysTick_Handler /* SysTick */
.word 0
.word SW_Handler /* SW */
.word 0
/* External Interrupts */
.word WWDG_IRQHandler /* Window Watchdog */
.word PVD_IRQHandler /* PVD through EXTI Line detect */
.word TAMPER_IRQHandler /* TAMPER */
.word RTC_IRQHandler /* RTC */
.word FLASH_IRQHandler /* Flash */
.word RCC_IRQHandler /* RCC */
.word EXTI0_IRQHandler /* EXTI Line 0 */
.word EXTI1_IRQHandler /* EXTI Line 1 */
.word EXTI2_IRQHandler /* EXTI Line 2 */
.word EXTI3_IRQHandler /* EXTI Line 3 */
.word EXTI4_IRQHandler /* EXTI Line 4 */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word ADC1_2_IRQHandler /* ADC1_2 */
.word USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.word USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
.word CAN1_SCE_IRQHandler /* CAN1 SCE */
.word EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.word TIM1_BRK_IRQHandler /* TIM1 Break */
.word TIM1_UP_IRQHandler /* TIM1 Update */
.word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.word TIM2_IRQHandler /* TIM2 */
.word TIM3_IRQHandler /* TIM3 */
.word TIM4_IRQHandler /* TIM4 */
.word I2C1_EV_IRQHandler /* I2C1 Event */
.word I2C1_ER_IRQHandler /* I2C1 Error */
.word I2C2_EV_IRQHandler /* I2C2 Event */
.word I2C2_ER_IRQHandler /* I2C2 Error */
.word SPI1_IRQHandler /* SPI1 */
.word SPI2_IRQHandler /* SPI2 */
.word USART1_IRQHandler /* USART1 */
.word USART2_IRQHandler /* USART2 */
.word USART3_IRQHandler /* USART3 */
.word EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.word RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.word USBWakeUp_IRQHandler /* USB Wake up from suspend */
.word USBHD_IRQHandler /* USBHD Break */
.word USBHDWakeUp_IRQHandler /* USBHD Wake up from suspend */
.word UART4_IRQHandler /* UART4 */
.word DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
.option rvc;
.section .text.vector_handler, "ax", @progbits
.weak NMI_Handler /* NMI */
.weak HardFault_Handler /* Hard Fault */
.weak Ecall_M_Mode_Handler /* Ecall M Mode */
.weak Ecall_U_Mode_Handler /* Ecall U Mode */
.weak Break_Point_Handler /* Break Point */
.weak SysTick_Handler /* SysTick */
.weak SW_Handler /* SW */
.weak WWDG_IRQHandler /* Window Watchdog */
.weak PVD_IRQHandler /* PVD through EXTI Line detect */
.weak TAMPER_IRQHandler /* TAMPER */
.weak RTC_IRQHandler /* RTC */
.weak FLASH_IRQHandler /* Flash */
.weak RCC_IRQHandler /* RCC */
.weak EXTI0_IRQHandler /* EXTI Line 0 */
.weak EXTI1_IRQHandler /* EXTI Line 1 */
.weak EXTI2_IRQHandler /* EXTI Line 2 */
.weak EXTI3_IRQHandler /* EXTI Line 3 */
.weak EXTI4_IRQHandler /* EXTI Line 4 */
.weak DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.weak DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.weak DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.weak DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.weak DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.weak DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.weak DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.weak ADC1_2_IRQHandler /* ADC1_2 */
.weak USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.weak USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.weak CAN1_RX1_IRQHandler /* CAN1 RX1 */
.weak CAN1_SCE_IRQHandler /* CAN1 SCE */
.weak EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.weak TIM1_BRK_IRQHandler /* TIM1 Break */
.weak TIM1_UP_IRQHandler /* TIM1 Update */
.weak TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.weak TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.weak TIM2_IRQHandler /* TIM2 */
.weak TIM3_IRQHandler /* TIM3 */
.weak TIM4_IRQHandler /* TIM4 */
.weak I2C1_EV_IRQHandler /* I2C1 Event */
.weak I2C1_ER_IRQHandler /* I2C1 Error */
.weak I2C2_EV_IRQHandler /* I2C2 Event */
.weak I2C2_ER_IRQHandler /* I2C2 Error */
.weak SPI1_IRQHandler /* SPI1 */
.weak SPI2_IRQHandler /* SPI2 */
.weak USART1_IRQHandler /* USART1 */
.weak USART2_IRQHandler /* USART2 */
.weak USART3_IRQHandler /* USART3 */
.weak EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.weak RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.weak USBWakeUp_IRQHandler /* USB Wakeup from suspend */
.weak USBHD_IRQHandler /* USBHD */
.weak USBHDWakeUp_IRQHandler /* USBHD Wake Up */
.weak UART4_IRQHandler /* UART4 */
.weak DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
NMI_Handler: 1: j 1b
HardFault_Handler: 1: j 1b
Ecall_M_Mode_Handler: 1: j 1b
Ecall_U_Mode_Handler: 1: j 1b
Break_Point_Handler: 1: j 1b
SysTick_Handler: 1: j 1b
SW_Handler: 1: j 1b
WWDG_IRQHandler: 1: j 1b
PVD_IRQHandler: 1: j 1b
TAMPER_IRQHandler: 1: j 1b
RTC_IRQHandler: 1: j 1b
FLASH_IRQHandler: 1: j 1b
RCC_IRQHandler: 1: j 1b
EXTI0_IRQHandler: 1: j 1b
EXTI1_IRQHandler: 1: j 1b
EXTI2_IRQHandler: 1: j 1b
EXTI3_IRQHandler: 1: j 1b
EXTI4_IRQHandler: 1: j 1b
DMA1_Channel1_IRQHandler: 1: j 1b
DMA1_Channel2_IRQHandler: 1: j 1b
DMA1_Channel3_IRQHandler: 1: j 1b
DMA1_Channel4_IRQHandler: 1: j 1b
DMA1_Channel5_IRQHandler: 1: j 1b
DMA1_Channel6_IRQHandler: 1: j 1b
DMA1_Channel7_IRQHandler: 1: j 1b
ADC1_2_IRQHandler: 1: j 1b
USB_HP_CAN1_TX_IRQHandler: 1: j 1b
USB_LP_CAN1_RX0_IRQHandler: 1: j 1b
CAN1_RX1_IRQHandler: 1: j 1b
CAN1_SCE_IRQHandler: 1: j 1b
EXTI9_5_IRQHandler: 1: j 1b
TIM1_BRK_IRQHandler: 1: j 1b
TIM1_UP_IRQHandler: 1: j 1b
TIM1_TRG_COM_IRQHandler: 1: j 1b
TIM1_CC_IRQHandler: 1: j 1b
TIM2_IRQHandler: 1: j 1b
TIM3_IRQHandler: 1: j 1b
TIM4_IRQHandler: 1: j 1b
I2C1_EV_IRQHandler: 1: j 1b
I2C1_ER_IRQHandler: 1: j 1b
I2C2_EV_IRQHandler: 1: j 1b
I2C2_ER_IRQHandler: 1: j 1b
SPI1_IRQHandler: 1: j 1b
SPI2_IRQHandler: 1: j 1b
USART1_IRQHandler: 1: j 1b
USART2_IRQHandler: 1: j 1b
USART3_IRQHandler: 1: j 1b
EXTI15_10_IRQHandler: 1: j 1b
RTCAlarm_IRQHandler: 1: j 1b
USBWakeUp_IRQHandler: 1: j 1b
USBHD_IRQHandler: 1: j 1b
USBHDWakeUp_IRQHandler: 1: j 1b
UART4_IRQHandler: 1: j 1b
DMA1_Channel8_IRQHandler: 1: j 1b
.section .text.handle_reset,"ax",@progbits
.weak handle_reset
.align 1
handle_reset:
.option push
.option norelax
la gp, __global_pointer$
.option pop
1:
la sp, _eusrstack
2:
/* Load data section from flash to RAM */
la a0, _data_lma
la a1, _data_vma
la a2, _edata
bgeu a1, a2, 2f
1:
lw t0, (a0)
sw t0, (a1)
addi a0, a0, 4
addi a1, a1, 4
bltu a1, a2, 1b
2:
/* Clear bss section */
la a0, _sbss
la a1, _ebss
bgeu a0, a1, 2f
1:
sw zero, (a0)
addi a0, a0, 4
bltu a0, a1, 1b
2:
li t0, 0x1f
csrw 0xbc0, t0
/* Enable nested and hardware stack */
li t0, 0x3
csrw 0x804, t0
/* Enable interrupt */
li t0, 0x88
csrs mstatus, t0
la t0, _vector_base
ori t0, t0, 3
csrw mtvec, t0
jal SystemInit
la t0, main
csrw mepc, t0
mret
CH32V203/src/Startup/startup_ch32v20x_D8.S
+279
View File
@@ -0,0 +1,279 @@
;/********************************** (C) COPYRIGHT *******************************
;* File Name : startup_ch32v20x_D8.s
;* Author : WCH
;* Version : V1.0.0
;* Date : 2021/06/06
;* Description : CH32V203RB
;* vector table for eclipse toolchain.
;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
;* SPDX-License-Identifier: Apache-2.0
;*******************************************************************************/
.section .init,"ax",@progbits
.global _start
.align 1
_start:
j handle_reset
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00100073
.section .vector,"ax",@progbits
.align 1
_vector_base:
.option norvc;
.word _start
.word 0
.word NMI_Handler /* NMI */
.word HardFault_Handler /* Hard Fault */
.word 0
.word Ecall_M_Mode_Handler /* Ecall M Mode */
.word 0
.word 0
.word Ecall_U_Mode_Handler /* Ecall U Mode */
.word Break_Point_Handler /* Break Point */
.word 0
.word 0
.word SysTick_Handler /* SysTick */
.word 0
.word SW_Handler /* SW */
.word 0
/* External Interrupts */
.word WWDG_IRQHandler /* Window Watchdog */
.word PVD_IRQHandler /* PVD through EXTI Line detect */
.word TAMPER_IRQHandler /* TAMPER */
.word RTC_IRQHandler /* RTC */
.word FLASH_IRQHandler /* Flash */
.word RCC_IRQHandler /* RCC */
.word EXTI0_IRQHandler /* EXTI Line 0 */
.word EXTI1_IRQHandler /* EXTI Line 1 */
.word EXTI2_IRQHandler /* EXTI Line 2 */
.word EXTI3_IRQHandler /* EXTI Line 3 */
.word EXTI4_IRQHandler /* EXTI Line 4 */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word ADC1_2_IRQHandler /* ADC1_2 */
.word USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.word USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
.word CAN1_SCE_IRQHandler /* CAN1 SCE */
.word EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.word TIM1_BRK_IRQHandler /* TIM1 Break */
.word TIM1_UP_IRQHandler /* TIM1 Update */
.word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.word TIM2_IRQHandler /* TIM2 */
.word TIM3_IRQHandler /* TIM3 */
.word TIM4_IRQHandler /* TIM4 */
.word I2C1_EV_IRQHandler /* I2C1 Event */
.word I2C1_ER_IRQHandler /* I2C1 Error */
.word I2C2_EV_IRQHandler /* I2C2 Event */
.word I2C2_ER_IRQHandler /* I2C2 Error */
.word SPI1_IRQHandler /* SPI1 */
.word SPI2_IRQHandler /* SPI2 */
.word USART1_IRQHandler /* USART1 */
.word USART2_IRQHandler /* USART2 */
.word USART3_IRQHandler /* USART3 */
.word EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.word RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.word USBWakeUp_IRQHandler /* USB Wake up from suspend */
.word USBHD_IRQHandler /* USBHD Break */
.word USBHDWakeUp_IRQHandler /* USBHD Wake up from suspend */
.word ETH_IRQHandler /* ETH global */
.word ETHWakeUp_IRQHandler /* ETH Wake up */
.word 0 /* BLE BB */
.word 0 /* BLE LLE */
.word TIM5_IRQHandler /* TIM5 */
.word UART4_IRQHandler /* UART4 */
.word DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
.word OSC32KCal_IRQHandler /* OSC32KCal */
.word OSCWakeUp_IRQHandler /* OSC Wake Up */
.option rvc;
.section .text.vector_handler, "ax", @progbits
.weak NMI_Handler /* NMI */
.weak HardFault_Handler /* Hard Fault */
.weak Ecall_M_Mode_Handler /* Ecall M Mode */
.weak Ecall_U_Mode_Handler /* Ecall U Mode */
.weak Break_Point_Handler /* Break Point */
.weak SysTick_Handler /* SysTick */
.weak SW_Handler /* SW */
.weak WWDG_IRQHandler /* Window Watchdog */
.weak PVD_IRQHandler /* PVD through EXTI Line detect */
.weak TAMPER_IRQHandler /* TAMPER */
.weak RTC_IRQHandler /* RTC */
.weak FLASH_IRQHandler /* Flash */
.weak RCC_IRQHandler /* RCC */
.weak EXTI0_IRQHandler /* EXTI Line 0 */
.weak EXTI1_IRQHandler /* EXTI Line 1 */
.weak EXTI2_IRQHandler /* EXTI Line 2 */
.weak EXTI3_IRQHandler /* EXTI Line 3 */
.weak EXTI4_IRQHandler /* EXTI Line 4 */
.weak DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.weak DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.weak DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.weak DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.weak DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.weak DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.weak DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.weak ADC1_2_IRQHandler /* ADC1_2 */
.weak USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.weak USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.weak CAN1_RX1_IRQHandler /* CAN1 RX1 */
.weak CAN1_SCE_IRQHandler /* CAN1 SCE */
.weak EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.weak TIM1_BRK_IRQHandler /* TIM1 Break */
.weak TIM1_UP_IRQHandler /* TIM1 Update */
.weak TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.weak TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.weak TIM2_IRQHandler /* TIM2 */
.weak TIM3_IRQHandler /* TIM3 */
.weak TIM4_IRQHandler /* TIM4 */
.weak I2C1_EV_IRQHandler /* I2C1 Event */
.weak I2C1_ER_IRQHandler /* I2C1 Error */
.weak I2C2_EV_IRQHandler /* I2C2 Event */
.weak I2C2_ER_IRQHandler /* I2C2 Error */
.weak SPI1_IRQHandler /* SPI1 */
.weak SPI2_IRQHandler /* SPI2 */
.weak USART1_IRQHandler /* USART1 */
.weak USART2_IRQHandler /* USART2 */
.weak USART3_IRQHandler /* USART3 */
.weak EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.weak RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.weak USBWakeUp_IRQHandler /* USB Wakeup from suspend */
.weak USBHD_IRQHandler /* USBHD */
.weak USBHDWakeUp_IRQHandler /* USBHD Wake Up */
.weak ETH_IRQHandler /* ETH global */
.weak ETHWakeUp_IRQHandler /* ETHWakeUp */
.weak TIM5_IRQHandler /* TIM5 */
.weak UART4_IRQHandler /* UART4 */
.weak DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
.weak OSC32KCal_IRQHandler /* OSC32 KCal */
.weak OSCWakeUp_IRQHandler /* OSC Wake Up */
NMI_Handler: 1: j 1b
HardFault_Handler: 1: j 1b
Ecall_M_Mode_Handler: 1: j 1b
Ecall_U_Mode_Handler: 1: j 1b
Break_Point_Handler: 1: j 1b
SysTick_Handler: 1: j 1b
SW_Handler: 1: j 1b
WWDG_IRQHandler: 1: j 1b
PVD_IRQHandler: 1: j 1b
TAMPER_IRQHandler: 1: j 1b
RTC_IRQHandler: 1: j 1b
FLASH_IRQHandler: 1: j 1b
RCC_IRQHandler: 1: j 1b
EXTI0_IRQHandler: 1: j 1b
EXTI1_IRQHandler: 1: j 1b
EXTI2_IRQHandler: 1: j 1b
EXTI3_IRQHandler: 1: j 1b
EXTI4_IRQHandler: 1: j 1b
DMA1_Channel1_IRQHandler: 1: j 1b
DMA1_Channel2_IRQHandler: 1: j 1b
DMA1_Channel3_IRQHandler: 1: j 1b
DMA1_Channel4_IRQHandler: 1: j 1b
DMA1_Channel5_IRQHandler: 1: j 1b
DMA1_Channel6_IRQHandler: 1: j 1b
DMA1_Channel7_IRQHandler: 1: j 1b
ADC1_2_IRQHandler: 1: j 1b
USB_HP_CAN1_TX_IRQHandler: 1: j 1b
USB_LP_CAN1_RX0_IRQHandler: 1: j 1b
CAN1_RX1_IRQHandler: 1: j 1b
CAN1_SCE_IRQHandler: 1: j 1b
EXTI9_5_IRQHandler: 1: j 1b
TIM1_BRK_IRQHandler: 1: j 1b
TIM1_UP_IRQHandler: 1: j 1b
TIM1_TRG_COM_IRQHandler: 1: j 1b
TIM1_CC_IRQHandler: 1: j 1b
TIM2_IRQHandler: 1: j 1b
TIM3_IRQHandler: 1: j 1b
TIM4_IRQHandler: 1: j 1b
I2C1_EV_IRQHandler: 1: j 1b
I2C1_ER_IRQHandler: 1: j 1b
I2C2_EV_IRQHandler: 1: j 1b
I2C2_ER_IRQHandler: 1: j 1b
SPI1_IRQHandler: 1: j 1b
SPI2_IRQHandler: 1: j 1b
USART1_IRQHandler: 1: j 1b
USART2_IRQHandler: 1: j 1b
USART3_IRQHandler: 1: j 1b
EXTI15_10_IRQHandler: 1: j 1b
RTCAlarm_IRQHandler: 1: j 1b
USBWakeUp_IRQHandler: 1: j 1b
USBHD_IRQHandler: 1: j 1b
USBHDWakeUp_IRQHandler: 1: j 1b
ETH_IRQHandler: 1: j 1b
ETHWakeUp_IRQHandler: 1: j 1b
TIM5_IRQHandler: 1: j 1b
OSC32KCal_IRQHandler: 1: j 1b
OSCWakeUp_IRQHandler: 1: j 1b
UART4_IRQHandler: 1: j 1b
DMA1_Channel8_IRQHandler: 1: j 1b
.section .text.handle_reset,"ax",@progbits
.weak handle_reset
.align 1
handle_reset:
.option push
.option norelax
la gp, __global_pointer$
.option pop
1:
la sp, _eusrstack
2:
/* Load data section from flash to RAM */
la a0, _data_lma
la a1, _data_vma
la a2, _edata
bgeu a1, a2, 2f
1:
lw t0, (a0)
sw t0, (a1)
addi a0, a0, 4
addi a1, a1, 4
bltu a1, a2, 1b
2:
/* Clear bss section */
la a0, _sbss
la a1, _ebss
bgeu a0, a1, 2f
1:
sw zero, (a0)
addi a0, a0, 4
bltu a0, a1, 1b
2:
li t0, 0x1f
csrw 0xbc0, t0
/* Enable nested and hardware stack */
li t0, 0x3
csrw 0x804, t0
/* Enable interrupt */
li t0, 0x88
csrs mstatus, t0
la t0, _vector_base
ori t0, t0, 3
csrw mtvec, t0
jal SystemInit
la t0, main
csrw mepc, t0
mret
CH32V203/src/Startup/startup_ch32v20x_D8W.S
+285
View File
@@ -0,0 +1,285 @@
;/********************************** (C) COPYRIGHT *******************************
;* File Name : startup_ch32v20x_D8W.s
;* Author : WCH
;* Version : V1.0.0
;* Date : 2021/06/06
;* Description : CH32V208x
;* vector table for eclipse toolchain.
;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
;* SPDX-License-Identifier: Apache-2.0
;*******************************************************************************/
.section .init,"ax",@progbits
.global _start
.align 1
_start:
j handle_reset
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00000013
.word 0x00100073
.section .vector,"ax",@progbits
.align 1
_vector_base:
.option norvc;
.word _start
.word 0
.word NMI_Handler /* NMI */
.word HardFault_Handler /* Hard Fault */
.word 0
.word Ecall_M_Mode_Handler /* Ecall M Mode */
.word 0
.word 0
.word Ecall_U_Mode_Handler /* Ecall U Mode */
.word Break_Point_Handler /* Break Point */
.word 0
.word 0
.word SysTick_Handler /* SysTick */
.word 0
.word SW_Handler /* SW */
.word 0
/* External Interrupts */
.word WWDG_IRQHandler /* Window Watchdog */
.word PVD_IRQHandler /* PVD through EXTI Line detect */
.word TAMPER_IRQHandler /* TAMPER */
.word RTC_IRQHandler /* RTC */
.word FLASH_IRQHandler /* Flash */
.word RCC_IRQHandler /* RCC */
.word EXTI0_IRQHandler /* EXTI Line 0 */
.word EXTI1_IRQHandler /* EXTI Line 1 */
.word EXTI2_IRQHandler /* EXTI Line 2 */
.word EXTI3_IRQHandler /* EXTI Line 3 */
.word EXTI4_IRQHandler /* EXTI Line 4 */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word ADC1_2_IRQHandler /* ADC1_2 */
.word USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.word USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
.word CAN1_SCE_IRQHandler /* CAN1 SCE */
.word EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.word TIM1_BRK_IRQHandler /* TIM1 Break */
.word TIM1_UP_IRQHandler /* TIM1 Update */
.word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.word TIM2_IRQHandler /* TIM2 */
.word TIM3_IRQHandler /* TIM3 */
.word TIM4_IRQHandler /* TIM4 */
.word I2C1_EV_IRQHandler /* I2C1 Event */
.word I2C1_ER_IRQHandler /* I2C1 Error */
.word I2C2_EV_IRQHandler /* I2C2 Event */
.word I2C2_ER_IRQHandler /* I2C2 Error */
.word SPI1_IRQHandler /* SPI1 */
.word SPI2_IRQHandler /* SPI2 */
.word USART1_IRQHandler /* USART1 */
.word USART2_IRQHandler /* USART2 */
.word USART3_IRQHandler /* USART3 */
.word EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.word RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.word USBWakeUp_IRQHandler /* USB Wake up from suspend */
.word USBHD_IRQHandler /* USBHD Break */
.word USBHDWakeUp_IRQHandler /* USBHD Wake up from suspend */
.word ETH_IRQHandler /* ETH global */
.word ETHWakeUp_IRQHandler /* ETH Wake up */
.word BB_IRQHandler /* BLE BB */
.word LLE_IRQHandler /* BLE LLE */
.word TIM5_IRQHandler /* TIM5 */
.word UART4_IRQHandler /* UART4 */
.word DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
.word OSC32KCal_IRQHandler /* OSC32KCal */
.word OSCWakeUp_IRQHandler /* OSC Wake Up */
.option rvc;
.section .text.vector_handler, "ax", @progbits
.weak NMI_Handler /* NMI */
.weak HardFault_Handler /* Hard Fault */
.weak Ecall_M_Mode_Handler /* Ecall M Mode */
.weak Ecall_U_Mode_Handler /* Ecall U Mode */
.weak Break_Point_Handler /* Break Point */
.weak SysTick_Handler /* SysTick */
.weak SW_Handler /* SW */
.weak WWDG_IRQHandler /* Window Watchdog */
.weak PVD_IRQHandler /* PVD through EXTI Line detect */
.weak TAMPER_IRQHandler /* TAMPER */
.weak RTC_IRQHandler /* RTC */
.weak FLASH_IRQHandler /* Flash */
.weak RCC_IRQHandler /* RCC */
.weak EXTI0_IRQHandler /* EXTI Line 0 */
.weak EXTI1_IRQHandler /* EXTI Line 1 */
.weak EXTI2_IRQHandler /* EXTI Line 2 */
.weak EXTI3_IRQHandler /* EXTI Line 3 */
.weak EXTI4_IRQHandler /* EXTI Line 4 */
.weak DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.weak DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.weak DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.weak DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.weak DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.weak DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.weak DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.weak ADC1_2_IRQHandler /* ADC1_2 */
.weak USB_HP_CAN1_TX_IRQHandler /* USB HP and CAN1 TX */
.weak USB_LP_CAN1_RX0_IRQHandler /* USB LP and CAN1RX0 */
.weak CAN1_RX1_IRQHandler /* CAN1 RX1 */
.weak CAN1_SCE_IRQHandler /* CAN1 SCE */
.weak EXTI9_5_IRQHandler /* EXTI Line 9..5 */
.weak TIM1_BRK_IRQHandler /* TIM1 Break */
.weak TIM1_UP_IRQHandler /* TIM1 Update */
.weak TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.weak TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.weak TIM2_IRQHandler /* TIM2 */
.weak TIM3_IRQHandler /* TIM3 */
.weak TIM4_IRQHandler /* TIM4 */
.weak I2C1_EV_IRQHandler /* I2C1 Event */
.weak I2C1_ER_IRQHandler /* I2C1 Error */
.weak I2C2_EV_IRQHandler /* I2C2 Event */
.weak I2C2_ER_IRQHandler /* I2C2 Error */
.weak SPI1_IRQHandler /* SPI1 */
.weak SPI2_IRQHandler /* SPI2 */
.weak USART1_IRQHandler /* USART1 */
.weak USART2_IRQHandler /* USART2 */
.weak USART3_IRQHandler /* USART3 */
.weak EXTI15_10_IRQHandler /* EXTI Line 15..10 */
.weak RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */
.weak USBWakeUp_IRQHandler /* USB Wakeup from suspend */
.weak USBHD_IRQHandler /* USBHD */
.weak USBHDWakeUp_IRQHandler /* USBHD Wake Up */
.weak ETH_IRQHandler /* ETH global */
.weak ETHWakeUp_IRQHandler /* ETHWakeUp */
.weak BB_IRQHandler /* BLE BB */
.weak LLE_IRQHandler /* BLE LLE */
.weak TIM5_IRQHandler /* TIM5 */
.weak UART4_IRQHandler /* UART4 */
.weak DMA1_Channel8_IRQHandler /* DMA1 Channel8 */
.weak OSC32KCal_IRQHandler /* OSC32 KCal */
.weak OSCWakeUp_IRQHandler /* OSC Wake Up */
NMI_Handler: 1: j 1b
HardFault_Handler: 1: j 1b
Ecall_M_Mode_Handler: 1: j 1b
Ecall_U_Mode_Handler: 1: j 1b
Break_Point_Handler: 1: j 1b
SysTick_Handler: 1: j 1b
SW_Handler: 1: j 1b
WWDG_IRQHandler: 1: j 1b
PVD_IRQHandler: 1: j 1b
TAMPER_IRQHandler: 1: j 1b
RTC_IRQHandler: 1: j 1b
FLASH_IRQHandler: 1: j 1b
RCC_IRQHandler: 1: j 1b
EXTI0_IRQHandler: 1: j 1b
EXTI1_IRQHandler: 1: j 1b
EXTI2_IRQHandler: 1: j 1b
EXTI3_IRQHandler: 1: j 1b
EXTI4_IRQHandler: 1: j 1b
DMA1_Channel1_IRQHandler: 1: j 1b
DMA1_Channel2_IRQHandler: 1: j 1b
DMA1_Channel3_IRQHandler: 1: j 1b
DMA1_Channel4_IRQHandler: 1: j 1b
DMA1_Channel5_IRQHandler: 1: j 1b
DMA1_Channel6_IRQHandler: 1: j 1b
DMA1_Channel7_IRQHandler: 1: j 1b
ADC1_2_IRQHandler: 1: j 1b
USB_HP_CAN1_TX_IRQHandler: 1: j 1b
USB_LP_CAN1_RX0_IRQHandler: 1: j 1b
CAN1_RX1_IRQHandler: 1: j 1b
CAN1_SCE_IRQHandler: 1: j 1b
EXTI9_5_IRQHandler: 1: j 1b
TIM1_BRK_IRQHandler: 1: j 1b
TIM1_UP_IRQHandler: 1: j 1b
TIM1_TRG_COM_IRQHandler: 1: j 1b
TIM1_CC_IRQHandler: 1: j 1b
TIM2_IRQHandler: 1: j 1b
TIM3_IRQHandler: 1: j 1b
TIM4_IRQHandler: 1: j 1b
I2C1_EV_IRQHandler: 1: j 1b
I2C1_ER_IRQHandler: 1: j 1b
I2C2_EV_IRQHandler: 1: j 1b
I2C2_ER_IRQHandler: 1: j 1b
SPI1_IRQHandler: 1: j 1b
SPI2_IRQHandler: 1: j 1b
USART1_IRQHandler: 1: j 1b
USART2_IRQHandler: 1: j 1b
USART3_IRQHandler: 1: j 1b
EXTI15_10_IRQHandler: 1: j 1b
RTCAlarm_IRQHandler: 1: j 1b
USBWakeUp_IRQHandler: 1: j 1b
USBHD_IRQHandler: 1: j 1b
USBHDWakeUp_IRQHandler: 1: j 1b
ETH_IRQHandler: 1: j 1b
ETHWakeUp_IRQHandler: 1: j 1b
BB_IRQHandler: 1: j 1b
LLE_IRQHandler: 1: j 1b
TIM5_IRQHandler: 1: j 1b
UART4_IRQHandler: 1: j 1b
DMA1_Channel8_IRQHandler: 1: j 1b
OSC32KCal_IRQHandler: 1: j 1b
OSCWakeUp_IRQHandler: 1: j 1b
.section .text.handle_reset,"ax",@progbits
.weak handle_reset
.align 1
handle_reset:
.option push
.option norelax
la gp, __global_pointer$
.option pop
1:
la sp, _eusrstack
2:
/* Load data section from flash to RAM */
la a0, _data_lma
la a1, _data_vma
la a2, _edata
bgeu a1, a2, 2f
1:
lw t0, (a0)
sw t0, (a1)
addi a0, a0, 4
addi a1, a1, 4
bltu a1, a2, 1b
2:
/* Clear bss section */
la a0, _sbss
la a1, _ebss
bgeu a0, a1, 2f
1:
sw zero, (a0)
addi a0, a0, 4
bltu a0, a1, 1b
2:
li t0, 0x1f
csrw 0xbc0, t0
/* Enable nested and hardware stack */
li t0, 0x3
csrw 0x804, t0
/* Enable interrupt */
li t0, 0x88
csrs mstatus, t0
la t0, _vector_base
ori t0, t0, 3
csrw mtvec, t0
jal SystemInit
la t0, main
csrw mepc, t0
mret
CH32V203/src/Startup/system_ch32v20x.c
+962
View File
@@ -0,0 +1,962 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v20x.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : CH32V20x Device Peripheral Access Layer System Source File.
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
* For HSE = 8Mhz (other CH32V203x)
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*********************************************************************************/
#include "ch32v20x.h"
/*
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
* reset the HSI is used as SYSCLK source).
* If none of the define below is enabled, the HSI is used as System clock source.
*/
//#define SYSCLK_FREQ_HSE HSE_VALUE
//#define SYSCLK_FREQ_48MHz_HSE 48000000
//#define SYSCLK_FREQ_56MHz_HSE 56000000
//#define SYSCLK_FREQ_72MHz_HSE 72000000
//#define SYSCLK_FREQ_96MHz_HSE 96000000
//#define SYSCLK_FREQ_120MHz_HSE 120000000
//#define SYSCLK_FREQ_144MHz_HSE 144000000
//#define SYSCLK_FREQ_HSI HSI_VALUE
//#define SYSCLK_FREQ_48MHz_HSI 48000000
//#define SYSCLK_FREQ_56MHz_HSI 56000000
//#define SYSCLK_FREQ_72MHz_HSI 72000000
//#define SYSCLK_FREQ_96MHz_HSI 96000000
//#define SYSCLK_FREQ_120MHz_HSI 120000000
#define SYSCLK_FREQ_144MHz_HSI 144000000
/* Clock Definitions */
#ifdef SYSCLK_FREQ_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_56MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_72MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_96MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_120MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_144MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_56MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_72MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_96MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_120MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_144MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
#else
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
#endif
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
/* system_private_function_proto_types */
static void SetSysClock(void);
#ifdef SYSCLK_FREQ_HSE
static void SetSysClockToHSE( void );
#elif defined SYSCLK_FREQ_48MHz_HSE
static void SetSysClockTo48_HSE( void );
#elif defined SYSCLK_FREQ_56MHz_HSE
static void SetSysClockTo56_HSE( void );
#elif defined SYSCLK_FREQ_72MHz_HSE
static void SetSysClockTo72_HSE( void );
#elif defined SYSCLK_FREQ_96MHz_HSE
static void SetSysClockTo96_HSE( void );
#elif defined SYSCLK_FREQ_120MHz_HSE
static void SetSysClockTo120_HSE( void );
#elif defined SYSCLK_FREQ_144MHz_HSE
static void SetSysClockTo144_HSE( void );
#elif defined SYSCLK_FREQ_48MHz_HSI
static void SetSysClockTo48_HSI( void );
#elif defined SYSCLK_FREQ_56MHz_HSI
static void SetSysClockTo56_HSI( void );
#elif defined SYSCLK_FREQ_72MHz_HSI
static void SetSysClockTo72_HSI( void );
#elif defined SYSCLK_FREQ_96MHz_HSI
static void SetSysClockTo96_HSI( void );
#elif defined SYSCLK_FREQ_120MHz_HSI
static void SetSysClockTo120_HSI( void );
#elif defined SYSCLK_FREQ_144MHz_HSI
static void SetSysClockTo144_HSI( void );
#endif
/*********************************************************************
* @fn SystemInit
*
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
* the PLL and update the SystemCoreClock variable.
*
* @return none
*/
void SystemInit (void)
{
RCC->CTLR |= (uint32_t)0x00000001;
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
RCC->INTR = 0x009F0000;
SetSysClock();
}
/*********************************************************************
* @fn SystemCoreClockUpdate
*
* @brief Update SystemCoreClock variable according to Clock Register Values.
*
* @return none
*/
void SystemCoreClockUpdate (void)
{
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
tmp = RCC->CFGR0 & RCC_SWS;
switch (tmp)
{
case 0x00:
SystemCoreClock = HSI_VALUE;
break;
case 0x04:
SystemCoreClock = HSE_VALUE;
break;
case 0x08:
pllmull = RCC->CFGR0 & RCC_PLLMULL;
pllsource = RCC->CFGR0 & RCC_PLLSRC;
pllmull = ( pllmull >> 18) + 2;
if(pllmull == 17) pllmull = 18;
if (pllsource == 0x00)
{
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
SystemCoreClock = HSI_VALUE * pllmull;
}
else{
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
}
}
else
{
#if defined (CH32V20x_D8W)
if((RCC->CFGR0 & (3<<22)) == (3<<22))
{
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
}
else
#endif
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
{
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
#else
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
#endif
}
else
{
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
#else
SystemCoreClock = HSE_VALUE * pllmull;
#endif
}
}
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
SystemCoreClock >>= tmp;
}
/*********************************************************************
* @fn SetSysClock
*
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClock(void)
{
#ifdef SYSCLK_FREQ_HSE
SetSysClockToHSE();
#elif defined SYSCLK_FREQ_48MHz_HSE
SetSysClockTo48_HSE();
#elif defined SYSCLK_FREQ_56MHz_HSE
SetSysClockTo56_HSE();
#elif defined SYSCLK_FREQ_72MHz_HSE
SetSysClockTo72_HSE();
#elif defined SYSCLK_FREQ_96MHz_HSE
SetSysClockTo96_HSE();
#elif defined SYSCLK_FREQ_120MHz_HSE
SetSysClockTo120_HSE();
#elif defined SYSCLK_FREQ_144MHz_HSE
SetSysClockTo144_HSE();
#elif defined SYSCLK_FREQ_48MHz_HSI
SetSysClockTo48_HSI();
#elif defined SYSCLK_FREQ_56MHz_HSI
SetSysClockTo56_HSI();
#elif defined SYSCLK_FREQ_72MHz_HSI
SetSysClockTo72_HSI();
#elif defined SYSCLK_FREQ_96MHz_HSI
SetSysClockTo96_HSI();
#elif defined SYSCLK_FREQ_120MHz_HSI
SetSysClockTo120_HSI();
#elif defined SYSCLK_FREQ_144MHz_HSI
SetSysClockTo144_HSI();
#endif
/* If none of the define above is enabled, the HSI is used as System clock
* source (default after reset)
*/
}
#ifdef SYSCLK_FREQ_HSE
/*********************************************************************
* @fn SetSysClockToHSE
*
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockToHSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
/* Select HSE as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
/* Wait till HSE is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
{
}
}
else
{
/* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_48MHz_HSE
/*********************************************************************
* @fn SetSysClockTo48_HSE
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo48_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 6 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_56MHz_HSE
/*********************************************************************
* @fn SetSysClockTo56_HSE
*
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo56_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 7 = 56 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_72MHz_HSE
/*********************************************************************
* @fn SetSysClockTo72_HSE
*
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo72_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 9 = 72 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_96MHz_HSE
/*********************************************************************
* @fn SetSysClockTo96_HSE
*
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo96_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 12 = 96 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_120MHz_HSE
/*********************************************************************
* @fn SetSysClockTo120_HSE
*
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo120_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if(HSEStatus == (uint32_t)0x01)
{
#if defined (CH32V20x_D8W)
RCC->CFGR0 |= (uint32_t)(3<<22);
/* HCLK = SYSCLK/2 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
#else
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
#endif
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 15 = 120 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_144MHz_HSE
/*********************************************************************
* @fn SetSysClockTo144_HSE
*
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo144_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSE * 18 = 144 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_48MHz_HSI
/*********************************************************************
* @fn SetSysClockTo48_HSI
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo48_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_56MHz_HSI
/*********************************************************************
* @fn SetSysClockTo56_HSI
*
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo56_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_72MHz_HSI
/*********************************************************************
* @fn SetSysClockTo72_HSI
*
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo72_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_96MHz_HSI
/*********************************************************************
* @fn SetSysClockTo96_HSI
*
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo96_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_120MHz_HSI
/*********************************************************************
* @fn SetSysClockTo120_HSI
*
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo120_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_144MHz_HSI
/*********************************************************************
* @fn SetSysClockTo144_HSI
*
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo144_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#endif
CH32V203/src/Startup/system_ch32v20x.h
+30
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@@ -0,0 +1,30 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v20x.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : CH32V20x Device Peripheral Access Layer System Header File.
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*******************************************************************************/
#ifndef __SYSTEM_ch32v20x_H
#define __SYSTEM_ch32v20x_H
#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
/* System_Exported_Functions */
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V20x_SYSTEM_H */