文章目录
- 前言
- 实现
- 修改链接文件
- 移植 RTT 代码
- 修改启动文件
- 修改中断文件
- 修改主文件
前言
移植 RT-Thread 到 CH32V305FBP6。
实现
修改链接文件
.text :{. = ALIGN(4);*(.text)*(.text.*)*(.rodata)*(.rodata*)*(.gnu.linkonce.t.*)/* section information for finsh shell */. = ALIGN(4);__fsymtab_start = .;KEEP(*(FSymTab))__fsymtab_end = .;. = ALIGN(4);__vsymtab_start = .;KEEP(*(VSymTab))__vsymtab_end = .;/* section information for initial. */. = ALIGN(4);__rt_init_start = .;KEEP(*(SORT(.rti_fn*)))__rt_init_end = .;/* section information for modules */. = ALIGN(4);__rtmsymtab_start = .;KEEP(*(RTMSymTab))__rtmsymtab_end = .;. = ALIGN(4); } >FLASH AT>FLASH
移植 RTT 代码
移植 rtthread 和 drivers 代码，并添加头文件路径
/drivers
/rtthread/include
/rtthread/include/libc
/rtthread/libcpu
/rtthread/libcpu/risc-v/common
/rtthread/libcpu/risc-v/SW_Handler
/rtthread/src
/rtthread/components/drivers/include
/rtthread/components/drivers/misc
/rtthread/components/drivers/serial
/rtthread/components/finsh
/rtthread
修改启动文件
/********************************** (C) COPYRIGHT *******************************
* File Name : startup_ch32v30x_D8C.s
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : CH32V307x-CH32V305x vector table for eclipse toolchain.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/.section .init,"ax",@progbits.global _start.align 1
_start:j handle_reset.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 Wakeup from suspend */.word TIM8_BRK_IRQHandler /* TIM8 Break */.word TIM8_UP_IRQHandler /* TIM8 Update */.word TIM8_TRG_COM_IRQHandler /* TIM8 Trigger and Commutation */.word TIM8_CC_IRQHandler /* TIM8 Capture Compare */.word RNG_IRQHandler /* RNG */.word 0.word SDIO_IRQHandler /* SDIO */.word TIM5_IRQHandler /* TIM5 */.word SPI3_IRQHandler /* SPI3 */.word UART4_IRQHandler /* UART4 */.word UART5_IRQHandler /* UART5 */.word TIM6_IRQHandler /* TIM6 */.word TIM7_IRQHandler /* TIM7 */.word DMA2_Channel1_IRQHandler /* DMA2 Channel 1 */.word DMA2_Channel2_IRQHandler /* DMA2 Channel 2 */.word DMA2_Channel3_IRQHandler /* DMA2 Channel 3 */.word DMA2_Channel4_IRQHandler /* DMA2 Channel 4 */.word DMA2_Channel5_IRQHandler /* DMA2 Channel 5 */.word ETH_IRQHandler /* ETH */.word ETH_WKUP_IRQHandler /* ETH WakeUp */.word CAN2_TX_IRQHandler /* CAN2 TX */.word CAN2_RX0_IRQHandler /* CAN2 RX0 */.word CAN2_RX1_IRQHandler /* CAN2 RX1 */.word CAN2_SCE_IRQHandler /* CAN2 SCE */.word USBFS_IRQHandler /* USBFS */.word USBHSWakeup_IRQHandler /* USBHS Wakeup */.word USBHS_IRQHandler /* USBHS */.word DVP_IRQHandler /* DVP */.word UART6_IRQHandler /* UART6 */.word UART7_IRQHandler /* UART7 */.word UART8_IRQHandler /* UART8 */.word TIM9_BRK_IRQHandler /* TIM9 Break */.word TIM9_UP_IRQHandler /* TIM9 Update */.word TIM9_TRG_COM_IRQHandler /* TIM9 Trigger and Commutation */.word TIM9_CC_IRQHandler /* TIM9 Capture Compare */.word TIM10_BRK_IRQHandler /* TIM10 Break */.word TIM10_UP_IRQHandler /* TIM10 Update */.word TIM10_TRG_COM_IRQHandler /* TIM10 Trigger and Commutation */.word TIM10_CC_IRQHandler /* TIM10 Capture Compare */.word DMA2_Channel6_IRQHandler /* DMA2 Channel 6 */.word DMA2_Channel7_IRQHandler /* DMA2 Channel 7 */.word DMA2_Channel8_IRQHandler /* DMA2 Channel 8 */.word DMA2_Channel9_IRQHandler /* DMA2 Channel 9 */.word DMA2_Channel10_IRQHandler /* DMA2 Channel 10 */.word DMA2_Channel11_IRQHandler /* DMA2 Channel 11 */.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 TIM8_BRK_IRQHandler /* TIM8 Break */.weak TIM8_UP_IRQHandler /* TIM8 Update */.weak TIM8_TRG_COM_IRQHandler /* TIM8 Trigger and Commutation */.weak TIM8_CC_IRQHandler /* TIM8 Capture Compare */.weak RNG_IRQHandler /* RNG */.weak SDIO_IRQHandler /* SDIO */.weak TIM5_IRQHandler /* TIM5 */.weak SPI3_IRQHandler /* SPI3 */.weak UART4_IRQHandler /* UART4 */.weak UART5_IRQHandler /* UART5 */.weak TIM6_IRQHandler /* TIM6 */.weak TIM7_IRQHandler /* TIM7 */.weak DMA2_Channel1_IRQHandler /* DMA2 Channel 1 */.weak DMA2_Channel2_IRQHandler /* DMA2 Channel 2 */.weak DMA2_Channel3_IRQHandler /* DMA2 Channel 3 */.weak DMA2_Channel4_IRQHandler /* DMA2 Channel 4 */.weak DMA2_Channel5_IRQHandler /* DMA2 Channel 5 */.weak ETH_IRQHandler /* ETH */.weak ETH_WKUP_IRQHandler /* ETH WakeUp */.weak CAN2_TX_IRQHandler /* CAN2 TX */.weak CAN2_RX0_IRQHandler /* CAN2 RX0 */.weak CAN2_RX1_IRQHandler /* CAN2 RX1 */.weak CAN2_SCE_IRQHandler /* CAN2 SCE */.weak USBFS_IRQHandler /* USBFS */.weak USBHSWakeup_IRQHandler /* USBHS Wakeup */.weak USBHS_IRQHandler /* USBHS */.weak DVP_IRQHandler /* DVP */.weak UART6_IRQHandler /* UART6 */.weak UART7_IRQHandler /* UART7 */.weak UART8_IRQHandler /* UART8 */.weak TIM9_BRK_IRQHandler /* TIM9 Break */.weak TIM9_UP_IRQHandler /* TIM9 Update */.weak TIM9_TRG_COM_IRQHandler /* TIM9 Trigger and Commutation */.weak TIM9_CC_IRQHandler /* TIM9 Capture Compare */.weak TIM10_BRK_IRQHandler /* TIM10 Break */.weak TIM10_UP_IRQHandler /* TIM10 Update */.weak TIM10_TRG_COM_IRQHandler /* TIM10 Trigger and Commutation */.weak TIM10_CC_IRQHandler /* TIM10 Capture Compare */.weak DMA2_Channel6_IRQHandler /* DMA2 Channel 6 */.weak DMA2_Channel7_IRQHandler /* DMA2 Channel 7 */.weak DMA2_Channel8_IRQHandler /* DMA2 Channel 8 */.weak DMA2_Channel9_IRQHandler /* DMA2 Channel 9 */.weak DMA2_Channel10_IRQHandler /* DMA2 Channel 10 */.weak DMA2_Channel11_IRQHandler /* DMA2 Channel 11 */NMI_Handler:
HardFault_Handler:
Ecall_M_Mode_Handler:
Ecall_U_Mode_Handler:
Break_Point_Handler:
SysTick_Handler:
SW_Handler:
WWDG_IRQHandler:
PVD_IRQHandler:
TAMPER_IRQHandler:
RTC_IRQHandler:
FLASH_IRQHandler:
RCC_IRQHandler:
EXTI0_IRQHandler:
EXTI1_IRQHandler:
EXTI2_IRQHandler:
EXTI3_IRQHandler:
EXTI4_IRQHandler:
DMA1_Channel1_IRQHandler:
DMA1_Channel2_IRQHandler:
DMA1_Channel3_IRQHandler:
DMA1_Channel4_IRQHandler:
DMA1_Channel5_IRQHandler:
DMA1_Channel6_IRQHandler:
DMA1_Channel7_IRQHandler:
ADC1_2_IRQHandler:
USB_HP_CAN1_TX_IRQHandler:
USB_LP_CAN1_RX0_IRQHandler:
CAN1_RX1_IRQHandler:
CAN1_SCE_IRQHandler:
EXTI9_5_IRQHandler:
TIM1_BRK_IRQHandler:
TIM1_UP_IRQHandler:
TIM1_TRG_COM_IRQHandler:
TIM1_CC_IRQHandler:
TIM2_IRQHandler:
TIM3_IRQHandler:
TIM4_IRQHandler:
I2C1_EV_IRQHandler:
I2C1_ER_IRQHandler:
I2C2_EV_IRQHandler:
I2C2_ER_IRQHandler:
SPI1_IRQHandler:
SPI2_IRQHandler:
USART1_IRQHandler:
USART2_IRQHandler:
USART3_IRQHandler:
EXTI15_10_IRQHandler:
RTCAlarm_IRQHandler:
USBWakeUp_IRQHandler:
TIM8_BRK_IRQHandler:
TIM8_UP_IRQHandler:
TIM8_TRG_COM_IRQHandler:
TIM8_CC_IRQHandler:
RNG_IRQHandler:
SDIO_IRQHandler:
TIM5_IRQHandler:
SPI3_IRQHandler:
UART4_IRQHandler:
UART5_IRQHandler:
TIM6_IRQHandler:
TIM7_IRQHandler:
DMA2_Channel1_IRQHandler:
DMA2_Channel2_IRQHandler:
DMA2_Channel3_IRQHandler:
DMA2_Channel4_IRQHandler:
DMA2_Channel5_IRQHandler:
ETH_IRQHandler:
ETH_WKUP_IRQHandler:
CAN2_TX_IRQHandler:
CAN2_RX0_IRQHandler:
CAN2_RX1_IRQHandler:
CAN2_SCE_IRQHandler:
USBFS_IRQHandler:
USBHSWakeup_IRQHandler:
USBHS_IRQHandler:
DVP_IRQHandler:
UART6_IRQHandler:
UART7_IRQHandler:
UART8_IRQHandler:
TIM9_BRK_IRQHandler:
TIM9_UP_IRQHandler:
TIM9_TRG_COM_IRQHandler:
TIM9_CC_IRQHandler:
TIM10_BRK_IRQHandler:
TIM10_UP_IRQHandler:
TIM10_TRG_COM_IRQHandler:
TIM10_CC_IRQHandler:
DMA2_Channel6_IRQHandler:
DMA2_Channel7_IRQHandler:
DMA2_Channel8_IRQHandler:
DMA2_Channel9_IRQHandler:
DMA2_Channel10_IRQHandler:
DMA2_Channel11_IRQHandler:
1:j 1b.section .text.handle_reset,"ax",@progbits.weak handle_reset.align 1
handle_reset:
.option push
.option norelax csrw mepc, t0la gp, __global_pointer$
.option pop
1:la sp, _eusrstack
2:/* Load data section from flash to RAM */la a0, _data_lmala a1, _data_vmala a2, _edatabgeu a1, a2, 2f
1:lw t0, (a0)sw t0, (a1)addi a0, a0, 4addi a1, a1, 4bltu a1, a2, 1b
2:/* Clear bss section */la a0, _sbssla a1, _ebssbgeu a0, a1, 2f
1:sw zero, (a0)addi a0, a0, 4bltu a0, a1, 1b
2:
/* Configure pipelining and instruction prediction */li t0, 0x1fcsrw 0xbc0, t0/* Enable interrupt nesting and hardware stack */li t0, 0x1fcsrw 0x804, t0/* Enable floating point and global interrupt, configure privileged mode */li t0, 0x7800csrw mstatus, t0
/* Configure the interrupt vector table recognition mode and entry address mode */la t0, _vector_baseori t0, t0, 3 csrw mtvec, t0jal SystemInitla t0, entrycsrw mepc, t0mret
修改中断文件
/* ch32v30x_it.c */
#include "ch32v30x_it.h"
#include "board.h"
#include <rtthread.h>void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));/********************************************************************** @fn NMI_Handler** @brief This function handles NMI exception.** @return none*/
void NMI_Handler(void)
{GET_INT_SP();rt_interrupt_enter();rt_kprintf(" NMI Handler\r\n");rt_interrupt_leave();FREE_INT_SP();
}/********************************************************************** @fn HardFault_Handler** @brief This function handles Hard Fault exception.** @return none*/
void HardFault_Handler(void)
{GET_INT_SP();rt_interrupt_enter();rt_kprintf(" hardfult\r\n");rt_interrupt_leave();FREE_INT_SP();
}
/* ch32v30x_it.h */
#ifndef __CH32V30x_IT_H
#define __CH32V30x_IT_H#include "debug.h"#define GET_INT_SP() asm("csrrw sp,mscratch,sp")
#define FREE_INT_SP() asm("csrrw sp,mscratch,sp")#endif /* __CH32V30x_IT_H */
修改主文件
#include "ch32v30x.h"
#include <rtthread.h>
#include <rthw.h>
#include "drivers/pin.h"/********************************************************************** @fn main** @brief main is just one of the threads, in addition to tshell,idle* This main is just a flashing LED, the main thread is registered in * rtthread_startup, tshell uses the serial port to receive interrupts, * and the interrupt stack and thread stack are used separately.** @return none*/
int main(void)
{rt_kprintf("\r\n MCU: CH32V305\r\n");SystemCoreClockUpdate();rt_kprintf(" SysClk: %dHz\r\n",SystemCoreClock);rt_kprintf(" ChipID: %08x\r\n",DBGMCU_GetCHIPID());while(1){rt_kprintf("hello world!\r\n");rt_thread_mdelay(500);}
}
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常见标准库使用之质量控制中的数据清洗)
