Files
GD32_BOOT/Robot_V2/device/Can.cpp
T
cbb aefb7d4ee4 feat(ota): 修复备份APP区域恢复功能和OTA流程优化、启用BRS、减小延时
- 添加sendBackup方法用于在备份APP激活时发送确认消息
- 优化OTA跳转逻辑,在jumpToApplication中清除复位标志
- 修复move_app_data函数中数据源地址错误,从备份区域正确读取数据
- 在OTA流程中正确设置APP状态标志,确保应用验证状态管理

refactor(can): 清理调试代码和函数签名优化

- 移除调试用的printf语句和未使用的cstdio头文件
- 统一函数参数类型为u8和u32,提高代码一致性
- 优化CAN通信检查逻辑,移除冗余的调试输出

perf(ota): 优化OTA处理中的延时函数

- 将delay_1ms(1)改为delay_1us(100),提高延时精度
- 添加微秒级延时函数delay_1us实现
- 增加OTA超时时间从10秒到100秒

fix(ota): 修复OTA状态管理和错误处理

- 在各种错误情况下正确设置ota_state为OTA_STATE_IDLE
- 在eraseApplicationArea中正确初始化APP状态标志
- 添加CRC校验失败时的调试输出选项
- 修复数据包大小验证逻辑
2026-01-07 23:14:15 +08:00

415 lines
12 KiB
C++

#include "Can.h"
#include "OTA.h"
#include "config.h"
#include "gd32c10x.h"
#include "gd32c10x_can.h"
#include "gd32c10x_dma.h"
#include "gd32c10x_gpio.h"
#include "main.h"
#include <cstdlib>
#include <cstring>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
CAN_transmiter CAN0_transmiter; // CAN初始化
extern BootloaderSystem sys;
extern OTAHandler ota;
// 添加DMA相关变量
dma_parameter_struct dma_rx_parameter;
dma_parameter_struct dma_tx_parameter;
uint8_t can_rx_buffer[8]; // CAN接收缓冲区
uint8_t can_tx_buffer[8]; // CAN发送缓冲区
/*!
\brief initialize CAN GPIO
\param[in] none
\param[out] none
\retval ErrStatus: SUCCESS or ERROR
*/
u8 can_gpio_init() {
/* enable CAN clock */
rcu_periph_clock_enable(RCU_CAN0);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_AF);
/* configure CAN0 GPIO */
gpio_init(GPIOB, GPIO_MODE_IPU, GPIO_OSPEED_50MHZ, GPIO_PIN_8); // rx
gpio_init(GPIOB, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9); // tx
gpio_pin_remap_config(GPIO_CAN0_PARTIAL_REMAP, ENABLE);
/* enable the EN GPIO clock */
gpio_init(GPIOB, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_13);
gpio_bit_reset(GPIOB, GPIO_PIN_13);
return 0;
}
/*!
\brief 初始化CAN DMA
\param[in] none
\param[out] none
\retval none
*/
void can_dma_init(void) {
// 使能DMA时钟
rcu_periph_clock_enable(RCU_DMA0);
// 配置接收DMA
dma_struct_para_init(&dma_rx_parameter);
dma_rx_parameter.periph_addr =
(uint32_t)(&CAN_RFIFOMDATA0(CAN0, CAN_FIFO0)); // CAN接收数据寄存器地址
dma_rx_parameter.memory_addr = (uint32_t)can_rx_buffer; // 接收缓冲区地址
dma_rx_parameter.direction = DMA_PERIPHERAL_TO_MEMORY; // 外设到内存
dma_rx_parameter.memory_width = DMA_MEMORY_WIDTH_8BIT; // 内存宽度8位
dma_rx_parameter.periph_width = DMA_PERIPHERAL_WIDTH_8BIT; // 外设宽度8位
dma_rx_parameter.priority = DMA_PRIORITY_HIGH; // 高优先级
dma_rx_parameter.number = 8; // 传输字节数
dma_rx_parameter.periph_inc = DMA_PERIPH_INCREASE_DISABLE; // 外设地址不递增
dma_rx_parameter.memory_inc = DMA_MEMORY_INCREASE_ENABLE; // 内存地址递增
dma_init(DMA0, DMA_CH4, &dma_rx_parameter); // 使用DMA通道4
// 配置发送DMA
dma_struct_para_init(&dma_tx_parameter);
dma_tx_parameter.periph_addr =
(uint32_t)(&CAN_TMI0(CAN0)); // CAN发送数据寄存器地址
dma_tx_parameter.memory_addr = (uint32_t)can_tx_buffer; // 发送缓冲区地址
dma_tx_parameter.direction = DMA_MEMORY_TO_PERIPHERAL; // 内存到外设
dma_tx_parameter.memory_width = DMA_MEMORY_WIDTH_8BIT; // 内存宽度8位
dma_tx_parameter.periph_width = DMA_PERIPHERAL_WIDTH_8BIT; // 外设宽度8位
dma_tx_parameter.priority = DMA_PRIORITY_HIGH; // 高优先级
dma_tx_parameter.number = 8; // 传输字节数
dma_tx_parameter.periph_inc = DMA_PERIPH_INCREASE_DISABLE; // 外设地址不递增
dma_tx_parameter.memory_inc = DMA_MEMORY_INCREASE_ENABLE; // 内存地址递增
dma_init(DMA0, DMA_CH5, &dma_tx_parameter); // 使用DMA通道5
// 使能DMA通道
dma_channel_enable(DMA0, DMA_CH4);
dma_channel_enable(DMA0, DMA_CH5);
}
/*!
\brief 初始化CAN0 CANFD模式
\param[in] none
\param[out] none
\retval none
*/
void canfd_config(void) {
can_gpio_init();
can_dma_init();
can_parameter_struct can_parameter;
can_fdframe_struct can_fd_parameter;
can_fd_tdc_struct can_fd_tdc_parameter;
can_filter_parameter_struct can_filter;
/* initialize CAN register */
can_deinit(CAN0);
/* initialize CAN */
can_parameter.time_triggered = DISABLE;
can_parameter.auto_bus_off_recovery = DISABLE;
can_parameter.auto_wake_up = DISABLE;
can_parameter.auto_retrans = ENABLE;
can_parameter.rec_fifo_overwrite = ENABLE;
can_parameter.trans_fifo_order = ENABLE;
can_parameter.working_mode = CAN_NORMAL_MODE;
/* baudrate 1Mbps, sample piont at 80% */
can_parameter.resync_jump_width = CAN_BT_SJW_1TQ;
can_parameter.time_segment_1 = CAN_BT_BS1_7TQ;
can_parameter.time_segment_2 = CAN_BT_BS2_2TQ;
can_parameter.prescaler = 6;
can_init(CAN0, &can_parameter);
can_struct_para_init(CAN_FD_FRAME_STRUCT, &can_fd_parameter);
can_fd_parameter.fd_frame = ENABLE;
can_fd_parameter.excp_event_detect = ENABLE;
can_fd_parameter.delay_compensation = ENABLE;
can_fd_tdc_parameter.tdc_filter = 0x04;
can_fd_tdc_parameter.tdc_mode = CAN_TDCMOD_CALC_AND_OFFSET;
can_fd_tdc_parameter.tdc_offset = 0x04;
can_fd_parameter.p_delay_compensation = &can_fd_tdc_parameter;
can_fd_parameter.iso_bosch = CAN_FDMOD_ISO;
can_fd_parameter.esi_mode = CAN_ESIMOD_HARDWARE;
/* FD mode data baudrate 2Mbps, sample piont at 80% */
can_fd_parameter.data_resync_jump_width = CAN_BT_SJW_1TQ;
can_fd_parameter.data_time_segment_1 = CAN_BT_BS1_3TQ;
can_fd_parameter.data_time_segment_2 = CAN_BT_BS2_1TQ;
/* CAN-FD data segement prescaler should be the same as non-data segement
* prescaler */
can_fd_parameter.data_prescaler = 6;
can_fd_init(CAN0, &can_fd_parameter);
/* initialize filter */
can_filter.filter_mode = CAN_FILTERMODE_MASK;
can_filter.filter_bits = CAN_FILTERBITS_32BIT;
/* configure filter ID */
can_filter.filter_list_high = 0x0000;
can_filter.filter_list_low = 0x0000;
/* configure filter mask */
can_filter.filter_mask_high = 0x0000;
can_filter.filter_mask_low = 0x0000;
/* select receiver fifo */
can_filter.filter_fifo_number = CAN_FIFO0;
can_filter.filter_enable = ENABLE;
/* configure filter number */
can_filter.filter_number = 0;
can_filter_init(&can_filter);
/* configure CAN0 NVIC */
nvic_irq_enable(CAN0_RX0_IRQn, 1, 0);
/* enable can receive FIFO0 not empty interrupt */
can_interrupt_enable(CAN0, CAN_INTEN_RFNEIE0);
// 使能DMA中断
nvic_irq_enable(DMA0_Channel4_IRQn, 1, 1);
dma_interrupt_enable(DMA0, DMA_CH4, DMA_INT_FTF);
}
/*!
\brief CAN_transmiter构造函数
\note 初始化CAN通信相关参数和硬件配置
*/
u8 CAN_transmiter::init() {
// 初始化CAN硬件
canfd_config();
// 初始化发送消息结构体
can_struct_para_init(CAN_TX_MESSAGE_STRUCT, &transmit_message);
/* initialize receive message */
can_struct_para_init(CAN_RX_MESSAGE_STRUCT, &receive_message);
// 初始化DMA缓冲区
memset(can_rx_buffer, 0, sizeof(can_rx_buffer));
memset(can_tx_buffer, 0, sizeof(can_tx_buffer));
return 0;
}
/**
* @brief CAN通信检查函数
* @retval 0: 无新消息
* 1: 有新消息
*/
void CAN_transmiter::communication_check() {
// CAN0 发送数据标志
if (SET == can0_send_flag) {
can0_send_flag = RESET;
}
// CAN0 接收数据标志
if (SET == can0_receive_flag) {
if (receive_message.rx_efid == CANFD_OTA_DATA_ID or
receive_message.rx_efid == CANFD_OTA_REQ_ID) {
ota.handleOTAMessage(receive_message.rx_efid,
receive_message.rx_data,
receive_message.rx_dlen);
} else {
#if CAN_DEBUG
printf("Unknown CAN ID: %X\n", receive_message.rx_efid);
#endif
}
can0_receive_flag = RESET;
}
}
u8 CAN_transmiter::sendDATA_ACK(u32 packet_num, u8 *data) { // 握手的时候
memset(transmit_data, 0, sizeof(transmit_data));
transmit_data[0] = 0xBA;
transmit_data[1] = 0xC0;
// 修复原始代码中不完整的循环
for (int i = 2; i < 6; i++) {
transmit_data[i] = data[i - 2];
}
return CANFD_AsyncSend(CANFD_OTA_ACK_ID, 6, transmit_data);
}
u8 CAN_transmiter::sendBackup() { // 握手的时候
return CANFD_AsyncSend(CANFD_OTA_ACK_ID, 0, transmit_data);
}
u8 CAN_transmiter::sendDATA_ACK(u32 packet_num,
bool if_success) { // 发送数据的时候
memset(transmit_data, 0, 4);
if (if_success) {
transmit_data[0] = 0x01;
transmit_data[1] = 0x00;
}
return CANFD_AsyncSend(CANFD_OTA_ACK_ID, 4, transmit_data);
}
/**
* @brief CAN0中断服务程序
* @retval 无
*/
void CAN0_RX0_IRQHandler(void) {
// 检查是否是FIFO0消息挂起中断
if (can_interrupt_flag_get(CAN0, CAN_INT_FLAG_RFL0) != RESET) {
// 清除中断标志
can_interrupt_flag_clear(CAN0, CAN_INT_FLAG_RFL0);
// 使用DMA读取接收到的数据
dma_channel_disable(DMA0, DMA_CH4);
dma_rx_parameter.number =
can_receive_message_length_get(CAN0, CAN_FIFO0);
dma_init(DMA0, DMA_CH4, &dma_rx_parameter);
dma_channel_enable(DMA0, DMA_CH4);
// 读取接收到的数据
can_message_receive(CAN0, CAN_FIFO0, &CAN0_transmiter.receive_message);
// 接收标志位置1
CAN0_transmiter.can0_receive_flag = SET;
}
// 检查其他可能的中断源
if (can_interrupt_flag_get(CAN0, CAN_INT_FLAG_RFF0) != RESET) {
// FIFO0满中断
can_interrupt_flag_clear(CAN0, CAN_INT_FLAG_RFF0);
#if CAN_DEBUG
printf("CAN FIFO0 full\n");
#endif
}
if (can_interrupt_flag_get(CAN0, CAN_INT_FLAG_RFO0) != RESET) {
// FIFO0溢出中断
can_interrupt_flag_clear(CAN0, CAN_INT_FLAG_RFO0);
#if CAN_DEBUG
printf("CAN FIFO0 overflow\n");
#endif
}
}
/**
* @brief DMA通道4中断服务程序(CAN接收DMA)
* @retval 无
*/
void DMA0_Channel4_IRQHandler(void) {
if (dma_interrupt_flag_get(DMA0, DMA_CH4, DMA_INT_FLAG_FTF)) {
// 清除DMA传输完成中断标志
dma_interrupt_flag_clear(DMA0, DMA_CH4, DMA_INT_FLAG_G);
// 将DMA缓冲区的数据复制到接收消息结构体
for (int i = 0; i < CAN0_transmiter.receive_message.rx_dlen && i < 8;
i++) {
CAN0_transmiter.receive_message.rx_data[i] = can_rx_buffer[i];
}
}
}
/**
* @brief DMA通道5中断服务程序(CAN/CANFD发送DMA)
* @retval 无
*/
void DMA0_Channel5_IRQHandler(void) {
if (dma_interrupt_flag_get(DMA0, DMA_CH5, DMA_INT_FLAG_FTF)) {
// DMA传输完成,可以在此处执行后续处理
// 清除DMA传输完成中断标志
dma_interrupt_flag_clear(DMA0, DMA_CH5, DMA_INT_FLAG_FTF);
// 可以在此添加后续处理逻辑,如发送下一个数据包等
}
}
/**
* @brief 异步CANFD数据发送(使用DMA和中断机制)
* @param id CAN消息ID
* @param length CAN消息长度
* @param data CAN消息数据
*/
u8 CAN_transmiter::CANFD_AsyncSend(u32 id, u8 length, u8 *data) {
u8 valid_length = length;
// 检查CANFD模式是否启用
if (!(CAN_CTL(CAN0) & CAN_CTL_DFZ)) {
#if CAN_DEBUG
printf("CANFD mode not enabled\r\n");
#endif
return 0;
}
// 检查数据指针是否有效
if (data == nullptr) {
#if CAN_DEBUG
printf("Invalid data pointer\r\n");
#endif
return 0;
}
// 检查数据长度是否符合CANFD规范
if (length > 8) {
if (length > 8 and length < 13) {
valid_length = 12;
} else if (length > 12 and length < 17) {
valid_length = 16;
} else if (length > 16 and length < 21) {
valid_length = 20;
} else if (length > 20 and length < 24) {
valid_length = 24;
} else if (length > 28 and length < 33) {
valid_length = 32;
} else if (length > 32 and length < 49) {
valid_length = 48;
} else if (length > 48 and length < 65) {
valid_length = 64;
} else {
#if CAN_DEBUG
printf("CANFD data length error\r\n");
#endif
return 0;
}
}
/* 配置发送消息参数 */
transmit_message.tx_ft = CAN_FT_DATA; // 数据帧
transmit_message.tx_ff = CAN_FF_EXTENDED; // 扩展帧格式
transmit_message.tx_efid = id; // 扩展帧ID
transmit_message.tx_dlen = valid_length; // 设置数据长度
// 设置CANFD特定参数
transmit_message.fd_flag = CAN_FDF_FDFRAME; // CANFD帧格式
transmit_message.fd_brs = ENABLE; // 使能比特率切换
transmit_message.fd_esi = DISABLE; // 错误状态指示
// 复制数据到发送缓冲区
for (int i = 0; i < valid_length; i++) {
if (i < length) {
transmit_message.tx_data[i] = *(data + i);
} else {
transmit_message.tx_data[i] = 0;
}
}
// 自动选择空闲mailbox发送消息
transmit_mailbox = can_message_transmit(CAN0, &transmit_message);
// 检查是否成功获取mailbox
if (transmit_mailbox == CAN_NOMAILBOX) {
#if CAN_DEBUG
// 没有可用的mailbox,启用发送中断以便在邮箱可用时重试
printf("No available mailbox for CANFD transmission, enabling TX "
"interrupt\r\n");
#endif
return 0;
}
// 启用CAN发送中断以检测传输完成
can_interrupt_enable(CAN0, CAN_INTEN_TMEIE);
return 1;
}
// 添加CAN传输中断处理函数
void CAN0_TX_IRQHandler(void) {
// 检查是否有发送邮箱空闲
if (can_flag_get(CAN0, CAN_FLAG_TME0) != RESET ||
can_flag_get(CAN0, CAN_FLAG_TME1) != RESET ||
can_flag_get(CAN0, CAN_FLAG_TME2) != RESET) {
// 邮箱已空闲,可以发送新消息
// 可以在这里处理待发送队列中的消息
// 清除发送中断标志
can_flag_clear(CAN0, CAN_FLAG_TME0);
can_flag_clear(CAN0, CAN_FLAG_TME1);
can_flag_clear(CAN0, CAN_FLAG_TME2);
}
}