feat(DengFOC):
新增了基于三相电流采样的dq轴电流计算函数`cal_Iq_Id`
调整了开环控制中的电压限制逻辑
更新了默认电源电压值为24V。
KHT7823测试代码
```
This commit is contained in:
cbb
2025-10-30 20:20:14 +08:00
parent 5d14731af5
commit 180a46271c
10 changed files with 318 additions and 364 deletions
+81 -7
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@@ -1,23 +1,41 @@
#include "DengFOC.h"
#include "Filter.h"
#include "Timer.h"
#include "adc.h"
#include "pid.h"
#include "systick.h"
#include <cmath>
#include <cstdio>
#include <gd32c10x.h>
#include <stdint.h>
constexpr double PI = 3.1415926535897932384626433832795f;
constexpr float _1_SQRT3 = 0.57735026919f;
constexpr float _2_SQRT3 = 1.15470053838f;
constexpr float _3PI_2 = 4.71238898038f;
constexpr u8 PP = 11, DIR = 1;
constexpr float sqrt3 = 1.73205080757f; // sqrt(3)的预计算值
constexpr float zero_electric_angle = 0.0f;
extern sampler sampler;
CurrentKalman curU_kalman(0.0f, 0.0026f, 4.8f, 0.0001f, 1e-6f, 0.02f);
CurrentKalman curV_kalman(0.0f, 0.0026f, 4.8f, 0.0001f, 1e-6f, 0.02f);
CurrentKalman curW_kalman(0.0f, 0.0026f, 4.8f, 0.0001f, 1e-6f, 0.02f);
PIDController vel_loop_M0 = PIDController{2, 0, 0, 100000, 24.0 / 2.0};
PIDController angle_loop_M0 = PIDController{2, 0, 0, 100000, 100};
PIDController current_loop_M0 = PIDController{2, 0, 0, 100000, 800};
// 初始变量及函数定义
#define _constrain(amt, low, high) \
((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
#define constrain(value, min, max, target_min, target_max) \
((value - min) / (max - min) * (target_max - target_min))
inline float _electricalAngle(float shaft_angle) { return shaft_angle * PP; }
inline float _electricalAngle(float shaft_angle) {
return _normalizeAngle((float)(DIR * PP) * shaft_angle -
zero_electric_angle);
}
/**
* @brief 归一化角度
@@ -90,7 +108,7 @@ float FOC_Controlroller::velocity_open_loop(float target_velocity) {
angle_el = _normalizeAngle(angle_el);
// 因为在开环控制中,Ud始终为0,只控制Uq
const float Uq = limit_voltage;
const float Uq = voltage_power_supply / 2.0f;
const float Ud = 0.0f;
// 帕克逆变换 (直接计算,避免函数调用开销)
@@ -106,9 +124,9 @@ float FOC_Controlroller::velocity_open_loop(float target_velocity) {
Uc = (-Ualpha - sqrt3 * Ubeta) * 0.5f + v_half;
// 计算占空比
Ua = constrain(Ua, 0.0f, voltage_power_supply, 0.0f, limit_voltage);
Ub = constrain(Ub, 0.0f, voltage_power_supply, 0.0f, limit_voltage);
Uc = constrain(Uc, 0.0f, voltage_power_supply, 0.0f, limit_voltage);
Ua = constrain(Ua, 0.0f, voltage_power_supply, 0.0f, limit_voltage * 2);
Ub = constrain(Ub, 0.0f, voltage_power_supply, 0.0f, limit_voltage * 2);
Uc = constrain(Uc, 0.0f, voltage_power_supply, 0.0f, limit_voltage * 2);
const float dc_a = _constrain(Ua / voltage_power_supply, 0.0f, 1.0f);
const float dc_b = _constrain(Ub / voltage_power_supply, 0.0f, 1.0f);
const float dc_c = _constrain(Uc / voltage_power_supply, 0.0f, 1.0f);
@@ -141,4 +159,60 @@ void FOC_Controlroller::shut_down() {
void FOC_Controlroller::resume() {
is_shut_down = 0;
gpio_bit_set(GPIOB, GPIO_PIN_12);
}
}
// 通过Ia,Ib,Ic计算Iq,Id(目前仅输出Iq)
float cal_Iq_Id(float current_a, float current_b, float angle_el) {
float I_alpha = current_a;
float I_beta = _1_SQRT3 * current_a + _2_SQRT3 * current_b;
float ct = cos(angle_el);
float st = sin(angle_el);
// float I_d = I_alpha * ct + I_beta * st;
float I_q = I_beta * ct - I_alpha * st;
return I_q;
}
void FOC_Controlroller::setTorque(float Uq, float angle_el) {
Uq =
_constrain(Uq, -(voltage_power_supply) / 2, (voltage_power_supply) / 2);
float Ud = 0;
angle_el = _normalizeAngle(angle_el);
// 帕克逆变换
Ualpha = -Uq * sin(angle_el);
Ubeta = Uq * cos(angle_el);
// 克拉克逆变换
Ua = Ualpha + voltage_power_supply / 2;
Ub = (sqrt(3) * Ubeta - Ualpha) / 2 + voltage_power_supply / 2;
Uc = (-Ualpha - sqrt(3) * Ubeta) / 2 + voltage_power_supply / 2;
driver_output(Ua, Ub, Uc);
}
float FOC_Controlroller::DFOC_M0_Current() {
// 使用卡尔曼滤波后的三相电流计算Iq
float Iu_filtered = curU_kalman.update(sampler.get_current('U'), Ua);
float Iv_filtered = curV_kalman.update(sampler.get_current('V'), Ub);
float Iw_filtered = curW_kalman.update(sampler.get_current('W'), Uc);
// 根据基尔霍夫电流定律验证三相电流总和是否接近0
// float current_sum = Iu_filtered + Iv_filtered + Iw_filtered;
// 用三相滤波后的电流计算Iq(通过Clarke和Park变换)
// 方法1: 使用U和V相计算
float I_q_M0_ori =
cal_Iq_Id(Iu_filtered, Iv_filtered, _electricalAngle(shaft_angle));
// 方法2: 也可以使用其他两相的组合计算,然后取平均值以提高精度
// float I_q_UW = cal_Iq_Id(Iu_filtered, Iw_filtered,
// _electricalAngle(shaft_angle)); float I_q_VW = cal_Iq_Id(Iv_filtered,
// Iw_filtered, _electricalAngle(shaft_angle)); float I_q_M0_ori = (I_q_UV +
// I_q_UW + I_q_VW) / 3.0f;
return I_q_M0_ori;
// return 0;
}
void FOC_Controlroller::DFOC_M0_setTorque(float Target) // 电流力矩环
{
// setTorque(current_loop_M0(Target-DFOC_M0_Current()),_electricalAngle());
}
+6 -9
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@@ -1,9 +1,3 @@
// 灯哥开源,遵循GNU协议,转载请著名版权!
// GNU开源协议(GNU General Public License,
// GPL)是一种自由软件许可协议,保障用户能够自由地使用、研究、分享和修改软件。
// 该协议的主要特点是,要求任何修改或衍生的作品必须以相同的方式公开发布,即必须开源。此外,该协议也要求在使用或分发软件时,必须保留版权信息和许可协议。GNU开源协议是自由软件基金会(FSF)制定和维护的一种协议,常用于GNU计划的软件和其他自由软件中。
// 仅在DengFOC官方硬件上测试过,欢迎硬件购买/支持作者,淘宝搜索店铺:灯哥开源
// 你的支持将是接下来做视频和持续开源的经费,灯哥在这里先谢谢大家了
// 函数声明
#ifndef _DENGFOC_H
#define _DENGFOC_H
@@ -13,7 +7,7 @@ class FOC_Controlroller {
FOC_Controlroller();
float control_mode = 0;
float limit_voltage = 2.0f;
float limit_voltage = 0.0f;
float limit_velocity = 0.0f;
float target_angle = 0.0f;
float target_velocity = 0.0f;
@@ -30,10 +24,13 @@ class FOC_Controlroller {
float shaft_angle = 0;
float Ualpha, Ubeta = 0, Ua = 0, Ub = 0, Uc = 0;
float zero_electric_angle = 0;
float voltage_power_supply = 12.0f; // 电源电压
float voltage_power_supply = 24.0f; // 电源电压
void driver_output(float Ua, float Ub, float Uc);
void setPhaseVoltage(float Uq, float Ud, float angle_el);
void setTorque(float Uq,float angle_el);
float DFOC_M0_Current();
void DFOC_M0_setTorque(float Target);
};
float _normalizeAngle(float angle);
@@ -42,4 +39,4 @@ float _electricalAngle(float shaft_angle);
float DFOC_M0_Angle();
float serial_motor_target();
#endif
#endif
+52
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@@ -0,0 +1,52 @@
#include "pid.h"
#include "Timer.h"
#define _constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
PIDController::PIDController(float P, float I, float D, float ramp, float limit)
: P(P)
, I(I)
, D(D)
, output_ramp(ramp) // PID控制器加速度限幅
, limit(limit) // PID控制器输出限幅
, error_prev(0.0f)
, output_prev(0.0f)
, integral_prev(0.0f)
{
timestamp_prev = get_system_runtime_us() ;
}
// PID 控制器函数
float PIDController::operator() (float error){
// 计算两次循环中间的间隔时间
unsigned long timestamp_now = get_system_runtime_us();
float Ts = (timestamp_now - timestamp_prev) * 1e-6f;
if(Ts <= 0 || Ts > 0.5f) Ts = 1e-3f;
// P环
float proportional = P * error;
// Tustin 散点积分(I环)
float integral = integral_prev + I*Ts*0.5f*(error + error_prev);
integral = _constrain(integral, -limit, limit);
// D环(微分环节)
float derivative = D*(error - error_prev)/Ts;
// 将P,I,D三环的计算值加起来
float output = proportional + integral + derivative;
output = _constrain(output, -limit, limit);
if(output_ramp > 0){
// 对PID的变化速率进行限制
float output_rate = (output - output_prev)/Ts;
if (output_rate > output_ramp)
output = output_prev + output_ramp*Ts;
else if (output_rate < -output_ramp)
output = output_prev - output_ramp*Ts;
}
// 保存值(为了下一次循环)
integral_prev = integral;
output_prev = output;
error_prev = error;
timestamp_prev = timestamp_now;
return output;
}
+2
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@@ -27,6 +27,8 @@ project:
- file: Algorithm/Filter.h
- file: Algorithm/DengFOC.cpp
- file: Algorithm/DengFOC.h
- file: Algorithm/pid.cpp
- file: pid.h
components:
- component: ARM::CMSIS:CORE
- component: Device:Startup
+41 -27
View File
@@ -1,14 +1,16 @@
#include "adc.h"
#include "Filter.h"
#include "math.h"
#include <cstring>
#include <cstdio>
#include <cstring>
#include <stdint.h>
constexpr float ERROR_ADC_VAL = 255.0f;
constexpr float ADC_SCALE = 3.3f / 4096.0f;
constexpr float TEMP_FACTOR = 1000.0f / 4.3f;
constexpr float VCC_FACTOR = 11.0f;
// constexpr float CURRENT_OFFSET = 0 - 4096.0f / 2.0f;
constexpr float CURRENT_OFFSET = 0;
constexpr float CURRENT_FACTOR =
1.0f / 50.0f * 100.0f; // 50倍放大,100倍电流采样电阻, 单位mA
constexpr float MAX_TEMP = 150.0f;
@@ -18,18 +20,23 @@ constexpr float MIN_CURRENT = -0.1f;
constexpr float MAX_VCC = 65.0f;
constexpr float MIN_VCC = -0.1f;
u16 adc_value[7] = {0}; // 显式初始化数组元素为0
u16 adc_value[6] = {0}; // 显式初始化数组元素为0
/**
* @brief 采样类初始化
*/
void sampler::init() {
for (int i = 0; i < 7; i++) {
for (int i = 0; i < FILTER_SIZE + 1; i++) {
mcu_temp_samples[i] =
(1.43f - adc_value[0] * ADC_SCALE) * TEMP_FACTOR + 35.0f;
currU_samples[i] = adc_value[2] * ADC_SCALE * CURRENT_FACTOR;
currV_samples[i] = adc_value[3] * ADC_SCALE * CURRENT_FACTOR;
currW_samples[i] = adc_value[4] * ADC_SCALE * CURRENT_FACTOR;
currU_samples[i] =
(adc_value[2] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
currV_samples[i] =
(adc_value[3] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
currW_samples[i] =
(adc_value[4] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
vbus_samples[i] = adc_value[5] * ADC_SCALE * VCC_FACTOR;
float R_now = (float)adc_value[1] / (4096 - (float)adc_value[1]) * 4700;
@@ -43,13 +50,13 @@ void sampler::init() {
* 温度值,单位为摄氏度,范围应在-40到145之间,如果读取失败则返回0.0f
*/
float sampler::get_mcu_temp() {
tempora_sample = medium_filter(mcu_temp_samples, 7);
tempora_sample = medium_filter(mcu_temp_samples, FILTER_SIZE + 1);
// 检查温度读数是否在有效范围内
if (tempora_sample < MIN_TEMP || tempora_sample > MAX_TEMP) {
return ERROR_ADC_VAL;
}
return tempora_sample;
}
}
/**
* @brief 获取电机驱动温度
@@ -59,7 +66,7 @@ float sampler::get_mcu_temp() {
* 如果计算结果超出有效范围(-40到255摄氏度),则重新采样计算。
*/
float sampler::get_drv_temp() {
tempora_sample = medium_filter(drv_temp_samples, 7);
tempora_sample = medium_filter(drv_temp_samples, FILTER_SIZE + 1);
// 检查温度读数是否在有效范围内
if (tempora_sample < MIN_TEMP || tempora_sample > MAX_TEMP) {
return ERROR_ADC_VAL;
@@ -77,15 +84,15 @@ float sampler::get_drv_temp() {
float sampler::get_current(char type) {
switch (type) {
case 'U': {
tempora_sample = medium_filter(currU_samples, 7);
tempora_sample = medium_filter(currU_samples, FILTER_SIZE + 1);
break;
}
case 'V': {
tempora_sample = medium_filter(currV_samples, 7);
tempora_sample = medium_filter(currV_samples, FILTER_SIZE + 1);
break;
}
case 'W': {
tempora_sample = medium_filter(currW_samples, 7);
tempora_sample = medium_filter(currW_samples, FILTER_SIZE + 1);
break;
}
default: {
@@ -106,11 +113,13 @@ float sampler::get_current(char type) {
* 如果计算结果超出有效范围(-40到255伏特),则重新采样计算。
*/
float sampler::get_vbus_voltage() {
tempora_sample = medium_filter(vbus_samples, FILTER_SIZE + 1);
// 检查电压读数是否在有效范围内
if (vbus_samples[4] > MAX_VCC || vbus_samples[4] < MIN_VCC) {
if (vbus_samples[FILTER_SIZE / 2] > MAX_VCC ||
vbus_samples[FILTER_SIZE / 2] < MIN_VCC) {
return ERROR_ADC_VAL;
}
return vbus_samples[4];
return tempora_sample;
}
/**
@@ -120,36 +129,41 @@ float sampler::get_vbus_voltage() {
* 如果计算结果超出有效范围(-40到255摄氏度),则重新采样计算。
*/
void sampler::update_mcu_temp() {
memmove(mcu_temp_samples, mcu_temp_samples + 1, 6 * sizeof(float));
mcu_temp_samples[6] = (1.43f - adc_value[0] * ADC_SCALE) * TEMP_FACTOR + 35.0f;
memmove(mcu_temp_samples, mcu_temp_samples + 1, FILTER_SIZE * sizeof(float));
mcu_temp_samples[FILTER_SIZE] =
(1.43f - adc_value[0] * ADC_SCALE) * TEMP_FACTOR + 35.0f;
}
/**
* @brief 更新MCU温度
*/
void sampler::update_drv_temp() {
memmove(drv_temp_samples, drv_temp_samples + 1, 6 * sizeof(float));
memmove(drv_temp_samples, drv_temp_samples + 1, FILTER_SIZE * sizeof(float));
float R_now = (float)adc_value[1] / (4096 - (float)adc_value[1]) * 4700;
drv_temp_samples[6] = 1.0f / (0.00335f + 0.00025f * log(R_now / 10000.0f)) - 273.15f;
drv_temp_samples[FILTER_SIZE] =
1.0f / (0.00335f + 0.00025f * log(R_now / 10000.0f)) - 273.15f;
}
/**
* @brief 更新相电流
*/
void sampler::update_current() {
memmove(currU_samples, currU_samples + 1, 6 * sizeof(float));
memmove(currV_samples, currV_samples + 1, 6 * sizeof(float));
memmove(currW_samples, currW_samples + 1, 6 * sizeof(float));
currU_samples[6] = adc_value[2] * ADC_SCALE;
currV_samples[6] = adc_value[3] * ADC_SCALE;
currW_samples[6] = adc_value[4] * ADC_SCALE;
memmove(currU_samples, currU_samples + 1, FILTER_SIZE * sizeof(float));
memmove(currV_samples, currV_samples + 1, FILTER_SIZE * sizeof(float));
memmove(currW_samples, currW_samples + 1, FILTER_SIZE * sizeof(float));
currU_samples[FILTER_SIZE] =
(adc_value[2] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
currV_samples[FILTER_SIZE] =
(adc_value[3] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
currW_samples[FILTER_SIZE] =
(adc_value[4] * ADC_SCALE + CURRENT_OFFSET) * CURRENT_FACTOR;
}
/**
* @brief 更新供电电压
*/
void sampler::update_vbus_voltage() {
memmove(vbus_samples, vbus_samples + 1, 6 * sizeof(float));
vbus_samples[6] = adc_value[5] * ADC_SCALE;
memmove(vbus_samples, vbus_samples + 1, FILTER_SIZE * sizeof(float));
vbus_samples[FILTER_SIZE] = adc_value[5] * ADC_SCALE;
}
+10 -10
View File
@@ -6,29 +6,29 @@ extern "C" {
#endif
#include "stdint.h"
constexpr u8 FILTER_SIZE = 6;
class sampler {
private:
float vbus_samples[7];
float currU_samples[7];
float currV_samples[7];
float currW_samples[7];
float mcu_temp_samples[7];
float drv_temp_samples[7];
private:
float vbus_samples[FILTER_SIZE + 1];
float currU_samples[FILTER_SIZE + 1];
float currV_samples[FILTER_SIZE + 1];
float currW_samples[FILTER_SIZE + 1];
float mcu_temp_samples[FILTER_SIZE + 1];
float drv_temp_samples[FILTER_SIZE + 1];
float tempora_sample;
public:
void init();
void update_mcu_temp(void);
void update_drv_temp(void);
void update_vbus_voltage(void);
void update_current(void);
float get_mcu_temp(void);
float get_drv_temp(void);
float get_vbus_voltage(void);
float get_current(char);
};
#ifdef __cplusplus
+98 -302
View File
@@ -5,335 +5,131 @@
#include "stdbool.h"
#include "systick.h"
#define SPI_TX_OFF() \
do { \
gpio_init(GPIOB, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, GPIO_PIN_5); \
} while(0)
#define SPI_TX_ON() \
do { \
gpio_init(GPIOB, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_5); \
} while(0)
#define SPI_TX_OFF() \
do { \
gpio_init(GPIOB, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, \
GPIO_PIN_5); \
} while (0)
#define SPI_TX_ON() \
do { \
gpio_init(GPIOB, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_5); \
} while (0)
#define SPI_CS_ENABLE() gpio_bit_reset(GPIOA, GPIO_PIN_15)
#define SPI_CS_ENABLE() gpio_bit_reset(GPIOA, GPIO_PIN_15)
#define SPI_CS_DISABLE() gpio_bit_set(GPIOA, GPIO_PIN_15)
/**
* @brief SPI command definitions for TLI5012B sensor
* @note All commands are 16-bit values following the TLI5012B protocol
*/
/* SPI operation types */
static constexpr uint16_t WRITE = 0; /**< SPI Write Operation */
static constexpr uint16_t READ = 1; /**< SPI Read Operation */
/* SPI communication constants */
static constexpr uint16_t DUMMY_BYTE = 0xFFFF; /**< Dummy byte for SPI read operations */
static constexpr uint16_t WR_REG = 0x0000; /**< Write command - MSB is 0 */
static constexpr uint16_t RD_REG = 0x8000; /**< Read command - MSB is 1 */
static constexpr uint16_t LockValue_LADDR = 0x0000; /**< Lock value for addresses 0x00-0x04 */
static constexpr uint16_t LockValue_HADDR = 0x5000; /**< Lock value for addresses 0x05-0x11 */
/* Update buffer access command */
static constexpr uint16_t UPD_CMD = 0x0400; /**< Update command - bit 10 is 1, access update buffer */
/* Read command values */
static constexpr uint16_t READ_STAT_VALUE = 0x8001; /**< Read status register */
static constexpr uint16_t READ_ACSTAT_VALUE = 0x8011; /**< Read activation status register */
static constexpr uint16_t READ_ANGLE_VALUE = 0x8021; /**< Read angle value register */
static constexpr uint16_t READ_SPEED_VALUE = 0x8031; /**< Read speed value register */
/* Write command values and their corresponding data */
static constexpr uint16_t WRITE_MOD1_VALUE = 0x5061; /**< Write to MOD1 register (0_1010_0_000110_0001) */
static constexpr uint16_t MOD1_VALUE = 0x0001; /**< MOD1 register configuration value */
static constexpr uint16_t WRITE_MOD2_VALUE = 0x5081; /**< Write to MOD2 register (0_1010_0_001000_0001) */
static constexpr uint16_t MOD2_VALUE = 0x0809; /**< MOD2 register configuration value */
static constexpr uint16_t WRITE_MOD3_VALUE = 0x5091; /**< Write to MOD3 register (0_1010_0_001001_0001) */
static constexpr uint16_t MOD3_VALUE = 0x0000; /**< MOD3 register configuration value */
static constexpr uint16_t WRITE_MOD4_VALUE = 0x50E1; /**< Write to MOD4 register (0_1010_0_001110_0001) */
static constexpr uint16_t MOD4_VALUE = 0x0080; /**< MOD4 register value: 12-bit 4096, absolute count disable 0x0080; enable 0x0000 */
/**
* @brief Send or read half word through SPI
*
* @param[in] spi_periph SPI peripheral
* @param[in] i_HalfWord data
*/
uint16_t spi_rw_half_word(uint32_t spi_periph, const uint16_t i_HalfWord)
{
uint32_t to;
uint16_t data = 0xFFFF;
bool ok = true;
uint16_t spi_rw_half_word(uint32_t spi_periph, const uint16_t i_HalfWord) {
uint32_t to;
uint16_t data = 0xFFFF;
bool ok = true;
/* ---------- Send data ---------- */
to = 200;
while ((RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TBE)) && --to);
if (to == 0) ok = false;
/* ---------- Send data ---------- */
to = 200;
while ((RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TBE)) && --to)
;
if (to == 0)
ok = false;
if (ok)
{
if(RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE))
{
(void)spi_i2s_data_receive(spi_periph); /* throw Dummy */
}
spi_i2s_data_transmit(spi_periph, i_HalfWord);
/* wait rx succ*/
to = 200;
while ((RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE)) && --to);
if (to == 0) ok = false;
else
data = spi_i2s_data_receive(spi_periph); /* throw Dummy */
}
if (ok) {
if (RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE)) {
(void)spi_i2s_data_receive(spi_periph); /* throw Dummy */
}
spi_i2s_data_transmit(spi_periph, i_HalfWord);
/* wait rx succ*/
to = 200;
while ((RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE)) && --to)
;
if (to == 0)
ok = false;
else
data = spi_i2s_data_receive(spi_periph); /* throw Dummy */
}
/* ---------- wait bsu idle ---------- */
if (ok)
{
to = 200;
while ((SET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TRANS)) \
&& SET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE) && --to);
if (to == 0) ok = false;
}
/* ---------- wait bsu idle ---------- */
if (ok) {
to = 200;
while ((SET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TRANS)) &&
SET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RBNE) && --to)
;
if (to == 0)
ok = false;
}
return ok ? data : 0xFFFF;
return ok ? data : 0xFFFF;
}
/**
* @brief Write data to TLI5012B register
* @param i_Cmd Command word to send
* @param i_Data Data to write to register
* @return Register response value, 0xFFFF if error
* @note This function performs a complete SPI write transaction:
*/
uint16_t cdd_TLI5012_WriteReg(uint16_t i_Cmd, uint16_t i_Data)
{
uint16_t result = 0xFFFF; /* Default error code */
SPI_CS_ENABLE();
__NOP(); __NOP(); __NOP(); // 添加小延时确保CS稳定
result = spi_rw_half_word(SPI0, i_Cmd);
result = spi_rw_half_word(SPI0, i_Data);
SPI_TX_OFF(); /* Configure MOSI as input to avoid conflicts */
__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); // 增加延时
result = spi_rw_half_word(SPI0, DUMMY_BYTE);
SPI_CS_DISABLE();
SPI_TX_ON(); /* Restore MOSI as output */
__NOP(); __NOP(); __NOP(); // 添加小延时确保CS稳定
return result;
}
/**
* @brief Read data from TLI5012B register
* @param i_Cmd Command word to send
* @param i_Data Not used in read operation (kept for compatibility)
* @return Register data value, 0xFFFF if error
* @note This function performs a complete SPI read transaction:
*/
uint16_t cdd_TLI5012_ReadReg(uint16_t i_Cmd, uint16_t * const i_Data)
{
uint16_t result = 0xFFFF; /* Default error code */
SPI_CS_ENABLE();
__NOP(); __NOP(); __NOP(); // 添加小延时确保CS稳定
*i_Data = spi_rw_half_word(SPI0, i_Cmd);
SPI_TX_OFF(); /* Configure MOSI as input to avoid conflicts */
__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); // 增加延时
*i_Data = spi_rw_half_word(SPI0, DUMMY_BYTE);
result = spi_rw_half_word(SPI0, DUMMY_BYTE);
SPI_CS_DISABLE();
SPI_TX_ON(); /* Restore MOSI as output */
__NOP(); __NOP(); __NOP(); // 添加小延时确保CS稳定
return result;
}
void tle5012b_gpio_init(void)
{
void KHT7823_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);
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);
}
/**
* @brief Initialize SPI module
*
* @details Configures SPI hardware and initializes necessary settings
*/
void tle5012b_spi_init(void)
{
spi_parameter_struct spi_init_str;
spi_struct_para_init(&spi_init_str);
void KHT7823_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=0 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参数:16bit, 主机, 全双工, CPOL=0 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 = SPI_PSC_16; /* 8MHz @ 128MHz */
spi_init(SPI0, &spi_init_str);
spi_nss_output_enable(SPI0);
spi_nssp_mode_enable(SPI0);
spi_enable(SPI0);
}
/**
* @brief Initialize TLI5012B magnetic angle sensor
* @note This function configures the sensor registers for proper operation
* @return None
*/
void cdd_TLI5012_Init(void)
{
uint16_t u16Command = 0xFFFF;
uint16_t u16Data = 0x0000;
uint16_t u16Safe = 0x0000;
/* ---------- Step 1: Read and configure STAT register ---------- */
/* Read STAT register to get current status */
u16Command = READ_STAT_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] [STAT] read u16Data: 0x%04X SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Write STAT register, set Slave_Number = 00 */
u16Command = 0x0001;
u16Data &= 0x9FFF; /* Clear bits 13-14 (Slave_Number) */
u16Safe = cdd_TLI5012_WriteReg(u16Command, u16Data);
printf("\r\n @Joe [TLI5012Init] [STAT] write u16Data: 0x%04X SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Read STAT register again to verify write operation */
u16Command = READ_STAT_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] [STAT] read u16Data: 0x%04X SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* ---------- Step 2: Read ACSTAT register ---------- */
u16Command = READ_ACSTAT_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read [ACSTAT]: 0x%04X SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* ---------- Step 3: Configure MOD1 register ---------- */
/* Read current MOD1 register value */
u16Command = RD_REG | WRITE_MOD1_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD1: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Write MOD1 register with configuration value */
u16Command = WRITE_MOD1_VALUE;
u16Data = MOD1_VALUE;
u16Safe = cdd_TLI5012_WriteReg(u16Command, u16Data);
printf("\r\n @Joe [TLI5012Init] [MOD1] write u16Data: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Verify MOD1 register write operation */
u16Command = RD_REG | WRITE_MOD1_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD1: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* ---------- Step 4: Configure MOD2 register ---------- */
/* Read current MOD2 register value */
u16Command = RD_REG | WRITE_MOD2_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD2: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Write MOD2 register with configuration value */
u16Command = WRITE_MOD2_VALUE;
u16Data = MOD2_VALUE;
u16Safe = cdd_TLI5012_WriteReg(u16Command, u16Data);
printf("\r\n @Joe [TLI5012Init] [MOD2] write u16Data: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Verify MOD2 register write operation */
u16Command = RD_REG | WRITE_MOD2_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD2: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* ---------- Step 5: Configure MOD3 register ---------- */
/* Read current MOD3 register value */
u16Command = RD_REG | WRITE_MOD3_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD3: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Write MOD3 register with configuration value */
u16Command = WRITE_MOD3_VALUE;
u16Data = MOD3_VALUE;
u16Safe = cdd_TLI5012_WriteReg(u16Command, u16Data);
printf("\r\n @Joe [TLI5012Init] [MOD3] write u16Data: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Verify MOD3 register write operation */
u16Command = RD_REG | WRITE_MOD3_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD3: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* ---------- Step 6: Configure MOD4 register ---------- */
/* Read current MOD4 register value */
u16Command = RD_REG | WRITE_MOD4_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD4: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Write MOD4 register with configuration value */
u16Command = WRITE_MOD4_VALUE;
u16Data = MOD4_VALUE;
u16Safe = cdd_TLI5012_WriteReg(u16Command, u16Data);
printf("\r\n @Joe [TLI5012Init] [MOD4] write u16Data: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
/* Verify MOD4 register write operation */
u16Command = RD_REG | WRITE_MOD4_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
printf("\r\n @Joe [TLI5012Init] read MOD4: 0x%04X, SafeWord: 0x%04X \r\n", u16Data, u16Safe);
spi_init_str.prescale = SPI_PSC_16; /* 8MHz @ 128MHz */
spi_init(SPI0, &spi_init_str);
spi_nss_output_enable(SPI0);
spi_nssp_mode_enable(SPI0);
spi_enable(SPI0);
}
void KHT7823_init(void) {
KHT7823_gpio_init();
KHT7823_spi_init();
}
float KHT7823_readAngle() {
u16 u16Command = 0x4000;
void Test_TLI5012B(void)
{
uint16_t u16Command = 0xFFFF;
uint16_t u16Data = 0x0000;
uint16_t u16Safe = 0x0000;
float angle = 0;
u16Command = READ_ANGLE_VALUE;
u16Safe = cdd_TLI5012_ReadReg(u16Command, &u16Data);
// 输出原始读取的数据,用于诊断
printf("\r\n @Joe RAW AVAL = 0x%04X, SafeWord = 0x%04X \r\n", u16Data, u16Safe);
// 检查是否有错误标志位
if (u16Safe != 0xFFFF && u16Safe != 0x0000) {
printf("\r\n @Joe Warning: Non-ideal SafeWord detected \r\n");
}
// 检查错误位(bit 15)
if (u16Data & 0x8000) {
printf("\r\n @Joe Error: Communication error detected (bit 15 set) \r\n");
}
// 提取角度值(15位)
u16Data = u16Data & 0x7FFF;
printf ( "\r\n @Joe AVAL = 0x%04X, SafeWord = 0x%04X \r\n", u16Data, u16Safe);
// 将15位角度值转换为角度(0-360度)
// 0x7FFF = 32767 对应 360度
angle = ((float)u16Data * 360.0f) / 32767.0f;
printf ( "\r\n @Joe angle = %f, AVL = %d \r\n", angle, (int16_t)u16Data);
// 添加额外的传感器状态检查
uint16_t status_data, status_safe;
u16Command = READ_STAT_VALUE;
status_safe = cdd_TLI5012_ReadReg(u16Command, &status_data);
printf("\r\n @Joe STATUS = 0x%04X, Status SafeWord = 0x%04X \r\n", status_data, status_safe);
float ang = 0;
SPI_CS_ENABLE();
// 2. 发送命令1,同时接收回答1
SPI_DATA(SPI0) = u16Command;
while (RESET == spi_i2s_flag_get(SPI0, SPI_FLAG_TBE))
; // 等待发送缓冲区空
while (RESET == spi_i2s_flag_get(SPI0, SPI_FLAG_RBNE))
; // 等待接收缓冲区满
u16 u16data = SPI_DATA(SPI0); // 读取回答1
SPI_CS_DISABLE();
// 将15位角度值转换为角度(0-360度)
ang = ((float)u16data * 360.0f) / 32767.0f;
return ang;
}
+2 -6
View File
@@ -6,13 +6,9 @@ extern "C" {
#include "gd32c10x_eval.h"
#include "stdio.h"
void tle5012b_gpio_init(void);
void tle5012b_spi_init(void);
void KHT7823_init(void);
u16 spi_rw_half_word(u32 spi_periph, const u16 i_HalfWord);
u16 cdd_TLI5012_WriteReg(u16 i_Cmd, u16 i_Data);
u16 cdd_TLI5012_ReadReg(u16 i_Cmd, u16 *const i_Data);
void cdd_TLI5012_Init(void);
void Test_TLI5012B(void);
void KHT7823_readAngle(void);
#ifdef __cplusplus
}
#endif
+2 -3
View File
@@ -15,7 +15,6 @@
#include <cstdio>
// 全局变量定义
CurrentKalman kalman(0.0f, 0.0026f, 4.8f, 0.0001f, 1e-6f, 0.02f);
CAN_transmiter CAN0_transmiter;
FOC_Controlroller FOC;
sampler sampler;
@@ -29,14 +28,14 @@ int main(void) {
sampler.init(); // 采样器初始化
driver_init(); // 电机驱动初始化
tle5012b_gpio_init(); // TLI5012B初始化
tle5012b_spi_init();
KHT7823_init();
watchdog_init(5000);
while (1) {
/* clear the FWDGT reset flag */
// std::printf("1\n");
// KHT7823_init();
fwdgt_counter_reload();
CAN0_transmiter.communication_check();
}
+24
View File
@@ -0,0 +1,24 @@
#ifndef PID_H
#define PID_H
class PIDController
{
public:
PIDController(float P, float I, float D, float ramp, float limit);
~PIDController() = default;
float operator() (float error);
float P; //!< 比例增益(P环增益)
float I; //!< 积分增益(I环增益)
float D; //!< 微分增益(D环增益)
float output_ramp;
float limit;
protected:
float error_prev; //!< 最后的跟踪误差值
float output_prev; //!< 最后一个 pid 输出值
float integral_prev; //!< 最后一个积分分量值
unsigned long timestamp_prev; //!< 上次执行时间戳
};
#endif