Files
Motor_v2/Robot_V2/device/ang_sensor.cpp
T
cbb 9f56ab394e feat(CAN): 实现多节点CAN总线通信与节点ID管理功能
- 添加CAN调试宏定义,支持条件编译调试信息输出
- 实现节点ID相关功能,包括构建CAN ID、消息过滤、获取/设置节点ID
- 支持Flash存储节点ID,提供加载和保存功能
- 实现节点ID设置和查询命令处理
- 更新CANFD发送函数使用节点ID构建发送ID
- 添加消息过滤逻辑,只处理目标节点的消息
- 重构DMA中断服务程序,优化数据传输处理
- 替换printf为调试宏,便于生产环境控制调试输出
2026-03-15 02:38:50 +08:00

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#include "ang_sensor.h"
#include "Can.h"
#include "Filter.h"
#include "config.h"
#include "flash.h"
#include "gd32c10x_dma.h"
#include "gd32c10x_gpio.h"
#include "gd32c10x_spi.h"
#include <cmath>
#include <cstdio>
#include <cstring>
#include <stdint.h>
// ANG_SENS 调试宏定义
#if ANG_SENS_DEBUG
#define ANG_SENS_DEBUG_PRINT(fmt, ...) printf(fmt, ##__VA_ARGS__)
#else
#define ANG_SENS_DEBUG_PRINT(fmt, ...) ((void)0)
#endif
#define ANG_SPI_CS_ENABLE() gpio_bit_reset(GPIOA, GPIO_PIN_15)
#define ANG_SPI_CS_DISABLE() gpio_bit_set(GPIOA, GPIO_PIN_15)
#define DRV_SPI_CS_ENABLE() gpio_bit_reset(GPIOB, GPIO_PIN_14)
#define DRV_SPI_CS_DISABLE() gpio_bit_set(GPIOB, GPIO_PIN_14)
// DMA 传输完成标志
volatile bool spi_dma_tx_complete = false;
volatile bool spi_dma_rx_complete = false;
angle_sensor KTH7823; // 角度传感器初始化
extern FlashEEPROM flashEEP;
extern EncoderAngleKalman Angle_kalman;
extern EncoderVelocityKalman Vel_kalman;
extern CAN_transmiter CAN0_transmiter; // CAN 初始化
/**
* @brief SPI DMA initialization
*/
void spi_dma_init(void) {
dma_parameter_struct dma_init_struct;
// 使能 DMA 时钟
rcu_periph_clock_enable(RCU_DMA0);
// 初始化发送 DMA 通道
dma_deinit(DMA0, DMA_CH2);
dma_struct_para_init(&dma_init_struct);
dma_init_struct.direction = DMA_MEMORY_TO_PERIPHERAL;
dma_init_struct.memory_addr = (uint32_t)0; // 实际地址将在传输时设置
dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
dma_init_struct.memory_width = DMA_MEMORY_WIDTH_16BIT;
dma_init_struct.number = 1;
dma_init_struct.periph_addr = (uint32_t)(&SPI_DATA(SPI0));
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_16BIT;
dma_init_struct.priority = DMA_PRIORITY_HIGH;
dma_init(DMA0, DMA_CH2, &dma_init_struct);
// 初始化接收 DMA 通道
dma_deinit(DMA0, DMA_CH1);
dma_struct_para_init(&dma_init_struct);
dma_init_struct.direction = DMA_PERIPHERAL_TO_MEMORY;
dma_init_struct.memory_addr = (uint32_t)0; // 实际地址将在传输时设置
dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
dma_init_struct.memory_width = DMA_MEMORY_WIDTH_16BIT;
dma_init_struct.number = 1;
dma_init_struct.periph_addr = (uint32_t)(&SPI_DATA(SPI0));
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_16BIT;
dma_init_struct.priority = DMA_PRIORITY_HIGH;
dma_init(DMA0, DMA_CH1, &dma_init_struct);
// 使能 SPI 的 DMA 发送和接收功能
spi_dma_enable(SPI0, SPI_DMA_TRANSMIT);
spi_dma_enable(SPI0, SPI_DMA_RECEIVE);
// 配置 DMA 中断
nvic_irq_enable(DMA0_Channel2_IRQn, 0, 1);
nvic_irq_enable(DMA0_Channel1_IRQn, 0, 1);
// 使能 DMA 传输完成中断
dma_interrupt_enable(DMA0, DMA_CH2, DMA_INT_FTF);
dma_interrupt_enable(DMA0, DMA_CH1, DMA_INT_FTF);
}
/**
* @brief Send or read half word through SPI using DMA
*
* @param[in] spi_periph SPI peripheral
* @param[in] tx_data Data to transmit
* @param[out] rx_data Pointer to store received data
* @return 0 if success, -1 if error
*/
int spi_rw_half_word_dma(uint32_t spi_periph, uint16_t tx_data,
uint16_t *rx_data) {
// 重置完成标志
spi_dma_tx_complete = false;
spi_dma_rx_complete = false;
// 配置发送 DMA
dma_channel_disable(DMA0, DMA_CH2);
dma_memory_address_config(DMA0, DMA_CH2, (uint32_t)&tx_data);
dma_transfer_number_config(DMA0, DMA_CH2, 1);
dma_channel_enable(DMA0, DMA_CH2);
// 配置接收 DMA
dma_channel_disable(DMA0, DMA_CH1);
dma_memory_address_config(DMA0, DMA_CH1, (uint32_t)rx_data);
dma_transfer_number_config(DMA0, DMA_CH1, 1);
dma_channel_enable(DMA0, DMA_CH1);
// 等待传输完成,超时时间为 100 个循环
uint32_t timeout = 100;
while ((!spi_dma_tx_complete || !spi_dma_rx_complete) && --timeout) {
// 空循环等待 DMA 传输完成
}
// 检查是否超时
if (timeout == 0) {
// 禁用 DMA 通道
dma_channel_disable(DMA0, DMA_CH2);
dma_channel_disable(DMA0, DMA_CH1);
ANG_SENS_DEBUG_PRINT("SPI DMA transfer timeout\r\n");
return -1;
}
return 0;
}
/**
* @brief DMA0_Channel2 中断处理函数
* @param 无
*/
extern "C" void DMA0_Channel2_IRQHandler(void) {
if (dma_interrupt_flag_get(DMA0, DMA_CH2, DMA_INT_FLAG_FTF)) {
dma_interrupt_flag_clear(DMA0, DMA_CH2, DMA_INT_FLAG_FTF);
spi_dma_tx_complete = true;
}
}
/**
* @brief DMA0_Channel1 中断处理函数
* @param 无
*/
extern "C" void DMA0_Channel1_IRQHandler(void) {
if (dma_interrupt_flag_get(DMA0, DMA_CH1, DMA_INT_FLAG_FTF)) {
dma_interrupt_flag_clear(DMA0, DMA_CH1, DMA_INT_FLAG_FTF);
spi_dma_rx_complete = true;
}
}
/**
* @brief 角度传感器初始化
* @param 无
*/
void KTH7823_gpio_init(void) {
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_SPI0);
rcu_periph_clock_enable(RCU_AF);
/* 关闭 JTAG,仅保留 SWD(释放 PA15、PB3、PB4) */
gpio_pin_remap_config(GPIO_SWJ_SWDPENABLE_REMAP, ENABLE);
/* -------- SPI0 全 remap:PB3/4/5 + PA15 -------- */
gpio_pin_remap_config(GPIO_SPI0_REMAP, ENABLE);
/* PA15 → NSS, 推挽输出 */
gpio_init(GPIOA, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_15);
/* PB3 → SCK, PB5 → MOSI, 推挽输出 */
gpio_init(GPIOB, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ,
GPIO_PIN_3 | GPIO_PIN_5);
/* PB4 → MISO, 浮空输入 */
gpio_init(GPIOB, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ,
GPIO_PIN_4 | GPIO_PIN_10 | GPIO_PIN_11);
}
/**
* @brief SPI 初始化
*
* @details Configures SPI hardware and initializes necessary settings
*/
void KTH7823_spi_init(void) {
spi_parameter_struct spi_init_str;
spi_struct_para_init(&spi_init_str);
/* SPI 参数:16bit, 主机,全双工,CPOL=1 CPHA=1, MSB first */
spi_init_str.device_mode = SPI_MASTER;
spi_init_str.trans_mode = SPI_TRANSMODE_FULLDUPLEX;
spi_init_str.frame_size = SPI_FRAMESIZE_16BIT;
spi_init_str.clock_polarity_phase = SPI_CK_PL_HIGH_PH_2EDGE;
spi_init_str.nss = SPI_NSS_SOFT;
spi_init_str.endian = SPI_ENDIAN_MSB;
spi_init_str.prescale = 24; /* 5MHz @ 120MHz */
spi_init(SPI0, &spi_init_str);
spi_nss_output_enable(SPI0);
spi_nssp_mode_enable(SPI0);
spi_enable(SPI0);
}
/**
* @ 角度传感器类 初始化
* @return 0:初始化成功 1:初始化失败
*/
u8 angle_sensor::init(void) {
KTH7823_gpio_init(); // GPIO 初始化
KTH7823_spi_init(); // SPI 初始化
spi_dma_init(); // DMA 初始化
return 0;
}
/**
* @ 角度传感器类 设置当前角度
* @param angle 输出级角度值
* @return 0 成功/1 失败
*/
u8 angle_sensor::angle_set(float angle) {
m_cumulativeAngle = angle * REDUCTION_RATIO;
m_firstUpdate = true;
return 0;
}
/**
* @brief 读取传感器数据
* @return 传感器数据
*/
inline float angle_sensor::read_sensorAngle(void) {
uint16_t raw_data;
ANG_SPI_CS_ENABLE();
u8 result = spi_rw_half_word_dma(SPI0, DEFAULT_COMMAND, &raw_data);
ANG_SPI_CS_DISABLE();
if (result == 0) {
// 单次浮点乘法优化:只计算一次度数,然后转换为弧度
float angle_deg = -(float)raw_data * ANGLESENS_FACTOR + ANGLESENS_OFFSET;
current_angle_deg = angle_deg;
current_angle_rad = angle_deg * DEG2RAD; // M_PI/180.0f
return angle_deg;
}
// 仅在调试模式下输出错误,避免发布版本中的 I/O 开销
if (result != 0) {
ANG_SENS_DEBUG_PRINT("Error reading angle from sensor.\n");
}
return (float)FAULT_RECEIVE;
}
/**
* @brief 更新传感器角度(输出级)
* @return 累积角度值
*/
float angle_sensor::update(void) {
read_sensorAngle();
if (m_firstUpdate) {
m_lastAngle = current_angle_deg;
m_firstUpdate = false;
return m_cumulativeAngle;
}
// 计算角度变化
float delta = current_angle_deg - m_lastAngle;
// 处理角度绕回情况(0 度和 360 度之间的跳变)
// 如果变化超过 300 度,说明发生了绕回
if (delta > ANGLE_WRAP_THRESHOLD) {
// 从接近 360 度绕回到接近 0 度
delta -= ANGLE_WRAP_VALUE;
} else if (delta < -ANGLE_WRAP_THRESHOLD) {
// 从接近 0 度绕到接近 360 度
delta += ANGLE_WRAP_VALUE;
}
m_cumulativeAngle += delta;
m_lastAngle = current_angle_deg;
return m_cumulativeAngle;
}
/**
* @brief 获取累积角度值 (输出级)
* @return 累积角度值
*/
float angle_sensor::getAngle(void) const {
return m_cumulativeAngle / REDUCTION_RATIO;
}
/**
* @brief 获取累积角度值 (原始级)
* @return 累积角度值
*/
float angle_sensor::getRawAngle(void) const { return m_cumulativeAngle; }
/**
* @brief 获取角度值 (原始级)
* @return 角度值 (原始级)
*/
float angle_sensor::getcurrent_sensorangle(void) const{
return current_angle_deg;
}