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CH32V203 UART DMA enable

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XIVN1987
2023-06-03 19:53:49 +08:00
parent 51cea28e9d
commit 208aa3d8d6
9 changed files with 183 additions and 113 deletions
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CH32V203/.cproject
+12 -14
View File
@@ -20,9 +20,9 @@
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<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/src/Peripheral}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/src/Peripheral}&quot;"/>
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<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/src}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/core/DAP}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/core/DAP}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/core/SWD_host}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/core/SWD_host}&quot;"/>
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@@ -117,7 +115,7 @@
</toolChain> </toolChain>
</folderInfo> </folderInfo>
<sourceEntries> <sourceEntries>
<entry excluding="core|src/Startup/startup_ch32v20x_D8W.S|src/Startup/startup_ch32v20x_D8.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/> <entry excluding="src/Startup/startup_ch32v20x_D8W.S|src/Startup/startup_ch32v20x_D8.S|core|Startup/startup_ch32v20x_D8W.S|Startup/startup_ch32v20x_D8.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="core"/> <entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="core"/>
</sourceEntries> </sourceEntries>
</configuration> </configuration>
@@ -140,5 +138,5 @@
</storageModule> </storageModule>
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/> <storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/> <storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
<storageModule moduleId="refreshScope"/>
</cproject> </cproject>
CH32V203/.project
+7 -7
View File
@@ -1,18 +1,18 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <?xml version="1.0" encoding="UTF-8" ?>
<projectDescription> <projectDescription>
<name>DAPLink</name> <name>DAPLink</name>
<comment/> <comment />
<projects/> <projects />
<buildSpec> <buildSpec>
<buildCommand> <buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name> <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers> <triggers>clean,full,incremental,</triggers>
<arguments/> <arguments />
</buildCommand> </buildCommand>
<buildCommand> <buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name> <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers> <triggers>full,incremental,</triggers>
<arguments/> <arguments />
</buildCommand> </buildCommand>
</buildSpec> </buildSpec>
<natures> <natures>
@@ -22,8 +22,8 @@
</natures> </natures>
<filteredResources> <filteredResources>
<filter> <filter>
<id>1672839367507</id> <id>1595986042669</id>
<name/> <name />
<type>22</type> <type>22</type>
<matcher> <matcher>
<id>org.eclipse.ui.ide.multiFilter</id> <id>org.eclipse.ui.ide.multiFilter</id>
CH32V203/.template
+4 -5
View File
@@ -1,15 +1,14 @@
Address=0x08000000 Address=0x08000000
Target Path=obj/DAPLink.hex
Erase All=true Erase All=true
Program=true Program=true
Verify=true Verify=true
Reset=true Reset=true
Toolchain=RISC-V Toolchain=RISC-V
Series=CH32V203 Series=CH32V203
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools. RTOS=NoneOS
Description=Website: http://www.wch.cn/products/CH32V203.html?\nROM(byte): 32K, SRAM(byte): 10K, CHIP PINS: 48, GPIO PORTS: 37.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
PeripheralVersion=1.0 PeripheralVersion=1.7
Target Path=obj/DAPLink.hex
Vendor=WCH Vendor=WCH
MCU=CH32V203F6P6 MCU=CH32V203F6P6
CH32V203/DAPLink.launch
+62
View File
@@ -0,0 +1,62 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<launchConfiguration type="com.mounriver.debug.gdbjtag.openocd.launchConfigurationType">
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.PERIPHERALS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;peripherals&gt;&#13;&#10;&lt;peripheral name=&quot;DMA1&quot;/&gt;&#13;&#10;&lt;/peripherals&gt;&#13;&#10;"/>
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doContinue" value="true"/>
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<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doStartGdbCLient" value="true"/>
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doStartGdbServer" value="true"/>
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.enableSemihosting" value="false"/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.firstResetType" value="init"/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbClientOtherCommands" value="set mem inaccessible-by-default off&#13;&#10;set architecture riscv:rv32&#13;&#10;set remotetimeout unlimited"/>
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<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerOther" value="-f &quot;${eclipse_home}toolchain/OpenOCD/bin/wch-riscv.cfg&quot;"/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerTclPortNumber" value="6666"/>
<intAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerTelnetPortNumber" value="4444"/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.otherInitCommands" value=""/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.otherRunCommands" value=""/>
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.secondResetType" value="halt"/>
<stringAttribute key="com.mounriver.debug.gdbjtag.svdPath" value="${eclipse_home}template/wizard/WCH/RISC-V/CH32V203/NoneOS/CH32V203xx.svd"/>
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<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="GNU MCU OpenOCD"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="true"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>
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<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="3333"/>
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<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="handle_reset"/>
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<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForSymbols" value="true"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useRemoteTarget" value="true"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="${eclipse_home}toolchain/RISC-V Embedded GCC/bin/riscv-none-embed-gdb.exe"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="obj\DAPLink.elf"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="DAPLink"/>
<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="true"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value=""/>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/DAPLink"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>
CH32V203/DAPLink.wvproj
BIN
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CH32V203/link.ld
+1
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@@ -0,0 +1 @@
ENTRY( _start )
CH32V203/src/link.ld
-1
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@@ -1 +0,0 @@
ENTRY( _start )
CH32V203/src/main.c
+26
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@@ -7,6 +7,9 @@
extern uint8_t usbd_hid_process(void); extern uint8_t usbd_hid_process(void);
volatile uint32_t SysTick_ms = 0;
void SysTick_Config(uint32_t ticks);
void USB_Config(void); void USB_Config(void);
int main(void) int main(void)
@@ -17,6 +20,8 @@ int main(void)
USB_Config(); USB_Config();
SysTick_Config(SystemCoreClock / 1000);
while(1) while(1)
{ {
usbd_hid_process(); usbd_hid_process();
@@ -26,6 +31,27 @@ int main(void)
} }
void SysTick_Config(uint32_t ticks)
{
SysTick->CTLR= 0;
SysTick->SR = 0;
SysTick->CNT = 0;
SysTick->CMP = ticks;
SysTick->CTLR= 0x0F;
NVIC_EnableIRQ(SysTicK_IRQn);
}
void SysTick_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void SysTick_Handler(void)
{
SysTick->SR = 0;
SysTick_ms++;
}
void USB_Config(void) void USB_Config(void)
{ {
NVIC_InitTypeDef NVIC_InitStructure; NVIC_InitTypeDef NVIC_InitStructure;
CH32V203/src/vcom_serial.c
+69 -84
View File
@@ -1,3 +1,4 @@
#include <string.h>
#include "ch32v20x.h" #include "ch32v20x.h"
#include "usb_lib.h" #include "usb_lib.h"
#include "usb_regs.h" #include "usb_regs.h"
@@ -10,35 +11,71 @@ volatile VCOM Vcom = {.in_ready = 1};
VCOM_LINE_CODING LineCfg = {115200, 0, 0, 8}; // Baud rate, stop bits, parity bits, data bits VCOM_LINE_CODING LineCfg = {115200, 0, 0, 8}; // Baud rate, stop bits, parity bits, data bits
#define RXDMA_SZ (CDC_BULK_IN_SZ * 2)
uint8_t RXBuffer[RXDMA_SZ] __attribute__((aligned(4)));
uint8_t TXBuffer[CDC_BULK_OUT_SZ] __attribute__((aligned(4)));
void VCOM_Init(void) void VCOM_Init(void)
{ {
GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure; USART_InitTypeDef USART_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
RCC_AHBPeriphClockCmd (RCC_AHBPeriph_DMA1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure); // PA2 => USART2_TX GPIO_Init(GPIOA, &GPIO_InitStructure); // PA2 => USART2_TX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure); // PA3 => USART2_RX GPIO_Init(GPIOA, &GPIO_InitStructure); // PA3 => USART2_RX
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&USART2->DATAR;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)TXBuffer;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_BufferSize = 0;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel7, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel7, ENABLE);
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&USART2->DATAR;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)RXBuffer;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_BufferSize = RXDMA_SZ;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel6, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel6, ENABLE);
USART_InitStructure.USART_BaudRate = 115200; USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_Init(USART2, &USART_InitStructure); USART_Init(USART2, &USART_InitStructure);
USART_Cmd(USART2, ENABLE); USART_DMACmd(USART2, USART_DMAReq_Tx | USART_DMAReq_Rx, ENABLE);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE); USART_Cmd(USART2, ENABLE);
NVIC_EnableIRQ(USART2_IRQn);
} }
@@ -71,88 +108,46 @@ void VCOM_LineCoding(VCOM_LINE_CODING * LineCfgx)
} }
USART_InitStructure.USART_BaudRate = LineCfgx->u32DTERate; USART_InitStructure.USART_BaudRate = LineCfgx->u32DTERate;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
__disable_irq(); __disable_irq();
// Reset software FIFO
Vcom.rx_bytes = 0;
Vcom.rx_wrptr = 0;
Vcom.rx_rdptr = 0;
Vcom.tx_bytes = 0;
Vcom.tx_wrptr = 0;
Vcom.tx_rdptr = 0;
USART_Init(USART2, &USART_InitStructure); USART_Init(USART2, &USART_InitStructure);
__enable_irq(); __enable_irq();
} }
void USART2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast"))); extern volatile uint32_t SysTick_ms;
void USART2_IRQHandler(void)
{
if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)
{
uint16_t chr = USART_ReceiveData(USART2);
if(Vcom.rx_bytes < RX_BUFF_SIZE)
{
Vcom.rx_buff[Vcom.rx_wrptr++] = chr;
if(Vcom.rx_wrptr == RX_BUFF_SIZE)
Vcom.rx_wrptr = 0;
Vcom.rx_bytes++;
}
}
if(USART_GetITStatus(USART2, USART_IT_TXE) != RESET)
{
if(Vcom.tx_bytes)
{
USART_SendData(USART2, Vcom.tx_buff[Vcom.tx_rdptr++]);
if(Vcom.tx_rdptr == TX_BUFF_SIZE)
Vcom.tx_rdptr = 0;
Vcom.tx_bytes--;
}
else
{
/* No more data, just stop Tx (Stop work) */
USART_ITConfig(USART2, USART_IT_TXE, DISABLE);
}
}
}
void VCOM_TransferData(void) void VCOM_TransferData(void)
{ {
static uint32_t last_ms = 0;
static uint32_t last_pos = 0;
if(Vcom.in_ready) // 可以向主机发送数据 if(Vcom.in_ready) // 可以向主机发送数据
{ {
if(Vcom.rx_bytes) // 有新的数据可以发送 uint32_t pos = RXDMA_SZ - DMA_GetCurrDataCounter(DMA1_Channel6);
if((pos - last_pos >= CDC_BULK_IN_SZ) || ((pos != last_pos) && (SysTick_ms != last_ms)))
{ {
Vcom.in_bytes = Vcom.rx_bytes; if(pos < last_pos)
if(Vcom.in_bytes > CDC_BULK_IN_SZ) pos = RXDMA_SZ;
Vcom.in_bytes = CDC_BULK_IN_SZ;
for(int i = 0; i < Vcom.in_bytes; i++) if(pos - last_pos > CDC_BULK_IN_SZ)
{ pos = last_pos + CDC_BULK_IN_SZ;
Vcom.in_buff[i] = Vcom.rx_buff[Vcom.rx_rdptr++];
if(Vcom.rx_rdptr >= RX_BUFF_SIZE)
Vcom.rx_rdptr = 0;
}
__disable_irq(); Vcom.in_bytes = pos - last_pos;
Vcom.rx_bytes -= Vcom.in_bytes;
__enable_irq();
Vcom.in_ready = 0; Vcom.in_ready = 0;
USB_SIL_Write(EP3_IN, (uint8_t *)Vcom.in_buff, Vcom.in_bytes);
USB_SIL_Write(EP3_IN, &RXBuffer[last_pos], Vcom.in_bytes);
SetEPTxValid(ENDP3); SetEPTxValid(ENDP3);
last_pos = pos % RXDMA_SZ;
last_ms = SysTick_ms;
} }
else else
{ {
@@ -162,34 +157,24 @@ void VCOM_TransferData(void)
{ {
Vcom.in_bytes = 0; Vcom.in_bytes = 0;
USB_SIL_Write(EP3_IN, (uint8_t *)Vcom.in_buff, 0); USB_SIL_Write(EP3_IN, (uint8_t *)0, 0);
SetEPTxValid(ENDP3); SetEPTxValid(ENDP3);
} }
} }
} }
/* 从主机接收到数据，且 tx_buff 能够装下它们 */ /* 从主机接收到数据，且前面的数据 DMA 已发送完 */
if(Vcom.out_ready && (Vcom.out_bytes <= TX_BUFF_SIZE - Vcom.tx_bytes)) if(Vcom.out_ready && (DMA_GetCurrDataCounter(DMA1_Channel7) == 0))
{ {
for(int i = 0; i < Vcom.out_bytes; i++)
{
Vcom.tx_buff[Vcom.tx_wrptr++] = Vcom.out_buff[i];
if(Vcom.tx_wrptr >= TX_BUFF_SIZE)
Vcom.tx_wrptr = 0;
}
__disable_irq();
Vcom.tx_bytes += Vcom.out_bytes;
__enable_irq();
Vcom.out_ready = 0; Vcom.out_ready = 0;
memcpy(TXBuffer, (uint8_t *)Vcom.out_buff, Vcom.out_bytes);
DMA_Cmd(DMA1_Channel7, DISABLE);
DMA_SetCurrDataCounter(DMA1_Channel7, Vcom.out_bytes);
DMA_Cmd(DMA1_Channel7, ENABLE);
/* Ready for next BULK OUT */ /* Ready for next BULK OUT */
SetEPRxValid(ENDP3); SetEPRxValid(ENDP3);
} }
if(Vcom.tx_bytes && ((USART2->CTLR1 & USART_CTLR1_TXEIE) == 0))
{
USART_ITConfig(USART2, USART_IT_TXE, ENABLE);
}
} }