mirror of
https://github.com/XIVN1987/DAPLink.git
synced 2026-09-26 22:16:11 +00:00
CH32V203 UART DMA enable
This commit is contained in:
XIVN1987
+12
-14
@@ -20,9 +20,9 @@
|
||||
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.optimization.signedchar.467272439" name="'char' is signed (-fsigned-char)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.optimization.signedchar" useByScannerDiscovery="true" value="true" valueType="boolean"/>
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@@ -45,25 +45,23 @@
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.target.saverestore.1724088233" name="Small prologue/epilogue (-msave-restore)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.target.saverestore" value="true" valueType="boolean"/>
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.target.saverestore.813643495" name="Small prologue/epilogue (-msave-restore)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.target.saverestore" useByScannerDiscovery="false" value="true" valueType="boolean"/>
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<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="ilg.gnumcueclipse.managedbuild.cross.riscv.targetPlatform.1944008784" isAbstract="false" osList="all" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.targetPlatform"/>
|
||||
<builder buildPath="${workspace_loc:/USART_DMA}/obj" id="ilg.gnumcueclipse.managedbuild.cross.riscv.builder.1421508906" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.builder"/>
|
||||
<builder buildPath="${workspace_loc:/${ProjName}}/obj" id="ilg.gnumcueclipse.managedbuild.cross.riscv.builder.1421508906" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.builder"/>
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||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler.1244756189" name="GNU RISC-V Cross Assembler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler">
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|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/Startup}""/>
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||||
</option>
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||||
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.include.paths.1034038285" name="Include paths (-I)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.include.paths" useByScannerDiscovery="true" valueType="includePath"/>
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<inputType id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler.input.126366858" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler.input"/>
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||||
</tool>
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||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187" name="GNU RISC-V Cross C Compiler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler">
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<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.compiler.include.paths.1567947810" name="Include paths (-I)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.compiler.include.paths" useByScannerDiscovery="true" valueType="includePath">
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||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/Startup}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/Peripheral}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/Startup}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/USBLib}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/USBUsr}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/core/DAP}""/>
|
||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/core/SWD_host}""/>
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||||
</option>
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||||
@@ -78,7 +76,7 @@
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||||
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<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.paths.2057340378" name="Library search path (-L)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.paths" useByScannerDiscovery="false" valueType="libPaths"/>
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<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.scriptfile.1390103472" name="Script files (-T)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.scriptfile" useByScannerDiscovery="false" valueType="stringList">
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||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/src/link.ld}""/>
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||||
<listOptionValue builtIn="false" value=""${workspace_loc:/${ProjName}/link.ld}""/>
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||||
</option>
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.nostart.913830613" name="Do not use standard start files (-nostartfiles)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.nostart" useByScannerDiscovery="false" value="true" valueType="boolean"/>
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||||
@@ -117,7 +115,7 @@
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||||
</toolChain>
|
||||
</folderInfo>
|
||||
<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"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
@@ -140,5 +138,5 @@
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
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||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
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||||
|
||||
<storageModule moduleId="refreshScope"/>
|
||||
</cproject>
|
||||
|
||||
+2
-2
@@ -1,4 +1,4 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<projectDescription>
|
||||
<name>DAPLink</name>
|
||||
<comment />
|
||||
@@ -22,7 +22,7 @@
|
||||
</natures>
|
||||
<filteredResources>
|
||||
<filter>
|
||||
<id>1672839367507</id>
|
||||
<id>1595986042669</id>
|
||||
<name />
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
|
||||
+4
-5
@@ -1,15 +1,14 @@
|
||||
Address=0x08000000
|
||||
Target Path=obj/DAPLink.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Toolchain=RISC-V
|
||||
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.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
Target Path=obj/DAPLink.hex
|
||||
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=1.7
|
||||
|
||||
Vendor=WCH
|
||||
MCU=CH32V203F6P6
|
||||
|
||||
@@ -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="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <peripherals> <peripheral name="DMA1"/> </peripherals> "/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doContinue" value="true"/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doDebugInRam" value="false"/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doFirstReset" value="true"/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doGdbServerAllocateConsole" value="true"/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doGdbServerAllocateTelnetConsole" value="false"/>
|
||||
<booleanAttribute key="com.mounriver.debug.gdbjtag.openocd.doSecondReset" value="true"/>
|
||||
<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 set architecture riscv:rv32 set remotetimeout unlimited"/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbClientOtherOptions" value=""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerConnectionAddress" value=""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerExecutable" value="${eclipse_home}toolchain/OpenOCD/bin/openocd.exe"/>
|
||||
<intAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerGdbPortNumber" value="3333"/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerLog" value=""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerOther" value="-f "${eclipse_home}toolchain/OpenOCD/bin/wch-riscv.cfg""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerTclPortNumber" value="6666"/>
|
||||
<intAttribute key="com.mounriver.debug.gdbjtag.openocd.gdbServerTelnetPortNumber" value="4444"/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.otherInitCommands" value=""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.otherRunCommands" value=""/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.openocd.secondResetType" value="halt"/>
|
||||
<stringAttribute key="com.mounriver.debug.gdbjtag.svdPath" value="${eclipse_home}template/wizard/WCH/RISC-V/CH32V203/NoneOS/CH32V203xx.svd"/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageFileName" value=""/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageOffset" value=""/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
|
||||
<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"/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
|
||||
<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="3333"/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="false"/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="handle_reset"/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
|
||||
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForImage" value="false"/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForSymbols" value="false"/>
|
||||
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForImage" value="true"/>
|
||||
<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="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <memoryBlockExpressionList context="Context string"/> "/>
|
||||
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
|
||||
</launchConfiguration>
|
||||
Binary file not shown.
@@ -0,0 +1 @@
|
||||
ENTRY( _start )
|
||||
@@ -1 +0,0 @@
|
||||
ENTRY( _start )
|
||||
@@ -7,6 +7,9 @@
|
||||
|
||||
extern uint8_t usbd_hid_process(void);
|
||||
|
||||
volatile uint32_t SysTick_ms = 0;
|
||||
|
||||
void SysTick_Config(uint32_t ticks);
|
||||
void USB_Config(void);
|
||||
|
||||
int main(void)
|
||||
@@ -17,6 +20,8 @@ int main(void)
|
||||
|
||||
USB_Config();
|
||||
|
||||
SysTick_Config(SystemCoreClock / 1000);
|
||||
|
||||
while(1)
|
||||
{
|
||||
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)
|
||||
{
|
||||
NVIC_InitTypeDef NVIC_InitStructure;
|
||||
|
||||
+69
-84
@@ -1,3 +1,4 @@
|
||||
#include <string.h>
|
||||
#include "ch32v20x.h"
|
||||
#include "usb_lib.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
|
||||
|
||||
|
||||
#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)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
USART_InitTypeDef USART_InitStructure;
|
||||
DMA_InitTypeDef DMA_InitStructure;
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
||||
RCC_AHBPeriphClockCmd (RCC_AHBPeriph_DMA1, ENABLE);
|
||||
|
||||
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_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure); // PA2 => USART2_TX
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
|
||||
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_WordLength = USART_WordLength_8b;
|
||||
USART_InitStructure.USART_StopBits = USART_StopBits_1;
|
||||
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_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);
|
||||
NVIC_EnableIRQ(USART2_IRQn);
|
||||
USART_Cmd(USART2, ENABLE);
|
||||
}
|
||||
|
||||
|
||||
@@ -71,88 +108,46 @@ void VCOM_LineCoding(VCOM_LINE_CODING * LineCfgx)
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
|
||||
__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);
|
||||
|
||||
__enable_irq();
|
||||
}
|
||||
|
||||
|
||||
void USART2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
extern volatile uint32_t SysTick_ms;
|
||||
|
||||
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.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(Vcom.in_bytes > CDC_BULK_IN_SZ)
|
||||
Vcom.in_bytes = CDC_BULK_IN_SZ;
|
||||
if(pos < last_pos)
|
||||
pos = RXDMA_SZ;
|
||||
|
||||
for(int i = 0; i < Vcom.in_bytes; i++)
|
||||
{
|
||||
Vcom.in_buff[i] = Vcom.rx_buff[Vcom.rx_rdptr++];
|
||||
if(Vcom.rx_rdptr >= RX_BUFF_SIZE)
|
||||
Vcom.rx_rdptr = 0;
|
||||
}
|
||||
if(pos - last_pos > CDC_BULK_IN_SZ)
|
||||
pos = last_pos + CDC_BULK_IN_SZ;
|
||||
|
||||
__disable_irq();
|
||||
Vcom.rx_bytes -= Vcom.in_bytes;
|
||||
__enable_irq();
|
||||
Vcom.in_bytes = pos - last_pos;
|
||||
|
||||
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);
|
||||
|
||||
last_pos = pos % RXDMA_SZ;
|
||||
|
||||
last_ms = SysTick_ms;
|
||||
}
|
||||
else
|
||||
{
|
||||
@@ -162,34 +157,24 @@ void VCOM_TransferData(void)
|
||||
{
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* 从主机接收到数据，且 tx_buff 能够装下它们 */
|
||||
if(Vcom.out_ready && (Vcom.out_bytes <= TX_BUFF_SIZE - Vcom.tx_bytes))
|
||||
/* 从主机接收到数据，且前面的数据 DMA 已发送完 */
|
||||
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;
|
||||
|
||||
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 */
|
||||
SetEPRxValid(ENDP3);
|
||||
}
|
||||
|
||||
if(Vcom.tx_bytes && ((USART2->CTLR1 & USART_CTLR1_TXEIE) == 0))
|
||||
{
|
||||
USART_ITConfig(USART2, USART_IT_TXE, ENABLE);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user