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Motor_v2/Robot_V2/device/Timer.cpp
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#include "Timer.h"
#include "Can.h"
#include "FOC.h"
#include "Timer.h"
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#include "gd32c10x.h"
#include "gd32c10x_gpio.h"
#include "gd32c10x_misc.h"
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#include "gd32c10x_rcu.h"
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#include "gd32c10x_timer.h"
#include "initial.h"
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volatile u32 total_us100_counter = 0; // 总计数器,每 100 微秒增加 1
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extern u16 adc_value[7];
extern FOC_Controlroller FOC;
extern TaskScheduler scheduler;
extern CAN_transmiter CAN0_transmiter;
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// 添加系统运行时间计数器
extern u32 cnt_test;
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// 任务调度查找表 - 每 100us 执行的任务 (1ms 周期内)
static const u32 task_schedule_100us[10] = {
(1u << TASK_MCU_TEMP_UPDATE), // 0: MCU 温度更新
(1u << TASK_DRV_TEMP_UPDATE), // 1: 驱动温度更新
(1u << TASK_VBUS_UPDATE), // 2: 电压更新
0, // 3: 空闲
0, // 4: 空闲
0, // 5: 空闲
0, // 6: 空闲
0, // 7: 空闲
0, // 8: 空闲
(1u << TASK_CAN_TRANSMIT) // 9: CAN 发送
};
// 任务调度查找表 - 每 1ms 执行的任务 (10ms 周期内)
static const u32 task_schedule_1ms[10] = {
(1u << TASK_THERMAL_CONTROL), // 0: 热量控制
(1u << TASK_MAGNETIC_CHECK), // 1: 磁感应强度检测
0, 0, 0, 0, 0, 0, 0, 0 // 空闲
};
// 任务调度查找表 - 每 10ms 执行的任务 (100ms 周期内)
static const u32 task_schedule_10ms[10] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // 当前无任务,预留扩展
};
// 任务调度查找表 - 每 100ms 执行的任务 (1s 周期内)
static const u32 task_schedule_100ms[10] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // 当前无任务,预留扩展
};
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/**
* @brief 设置引脚中断优先级
* @return void
*
* 设置引脚中断优先级
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*/
void nvic_config(void) {
/* 设置 NVIC 优先级分组,1 位抢占优先级,3 位响应优先级 */
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nvic_priority_group_set(NVIC_PRIGROUP_PRE2_SUB2);
/* 使能 TIMER2 中断,设置抢占优先级为 1,子优先级为 1 */
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nvic_irq_enable(TIMER2_IRQn, 0, 1);
nvic_irq_enable(TIMER1_IRQn, 0, 2);
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}
/**
* @brief 配置定时器 2-任务管理
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* @return void
*
* 配置定时器 2,用于定时执行 FOC 控制、采样、CAN 发送等任务
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*/
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void TIMER2_config(void) {
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/* ----------------------------------------------------------------------------
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TIMER2 Configuration:
TIMER2CLK = SystemCoreClock/120 = 1MHz, the period is 100us(100/1000000 =
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100us).
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----------------------------------------------------------------------------
*/
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timer_parameter_struct timer_struct;
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/* 使能 TIMER2 时钟 */
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rcu_periph_clock_enable(RCU_TIMER2);
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/* 复位 TIMER2 外设到默认状态 */
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timer_deinit(TIMER2);
/* 初始化 TIMER 初始化参数结构体 */
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timer_struct_para_init(&timer_struct);
/* TIMER2 配置参数设置 */
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timer_struct.prescaler =
TIMER2_PRESCALER; /* 预分频值:120 分频 (从 0 开始计数) */
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timer_struct.alignedmode = TIMER_COUNTER_EDGE; /* 边沿对齐模式 */
timer_struct.counterdirection = TIMER_COUNTER_UP; /* 向上计数模式 */
timer_struct.period =
TIMER2_PERIOD; /* 自动重装载值:100 次计数 (从 0 开始计数) */
timer_struct.clockdivision = TIMER_CKDIV_DIV1; /* 时钟分频值:1 分频 */
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timer_init(TIMER2, &timer_struct);
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/* 清除更新中断标志位 */
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timer_interrupt_flag_clear(TIMER2, TIMER_INT_FLAG_UP);
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/* 使能更新中断 */
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timer_interrupt_enable(TIMER2, TIMER_INT_UP);
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/* 使能 TIMER2 */
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timer_enable(TIMER2);
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}
/**
* @brief 配置 TIMER2-任务管理中断
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* @return void
*/
void User_timer_init(void) {
/* 配置 TIMER2 */
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TIMER2_config();
/* 配置 TIMER2 中断 */
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nvic_config();
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}
/**
* @brief TIMER2-任务管理中断处理函数 (优化版)
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* @return void
* @note 使用查找表替代多层 switch-case,减少代码复杂度和执行时间
* 中断周期:50us
* - 每 50us: 电机控制任务 (角度、速度更新)
* - 每 100us: 传感器采样、CAN 通信
* - 每 1ms: 热量控制、磁检
* - 每 10ms/100ms/1s: 预留扩展任务
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*/
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void TIMER2_IRQHandler(void) {
// 快速路径:检查并清除中断标志
if (timer_interrupt_flag_get(TIMER2, TIMER_INT_UP) == RESET) {
return;
}
timer_interrupt_flag_clear(TIMER2, TIMER_INT_UP);
// 每50us执行一次的操作 - 电机控制
scheduler.taskFlags |= (1 << TASK_MOTOR_CONTROL);
scheduler.taskFlags |=
(1 << TASK_ANGLE_UPDATE) | (1 << TASK_VELOCITY_UPDATE);
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// 使用标志位控制,每100us执行一次其他任务
static bool isEvenCall = false;
isEvenCall = !isEvenCall;
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if (isEvenCall) {
// 每100us执行一次的操作 - 保持原有频率
switch (total_us100_counter) { // 每1ms执行的代码,负载均衡
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case 0: {
scheduler.taskFlags |= (1 << TASK_MCU_TEMP_UPDATE);
break;
}
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case 1: {
scheduler.taskFlags |= (1 << TASK_DRV_TEMP_UPDATE);
break;
}
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case 2: {
scheduler.taskFlags |= (1 << TASK_VBUS_UPDATE);
break;
}
case 3: {
break;
}
case 9: {
scheduler.taskFlags |= (1 << TASK_CAN_TRANSMIT);
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break;
}
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}
total_us100_counter++;
if (total_us100_counter > 9) {
total_us100_counter = 0;
// 可以添加每1ms执行的代码,无负载均衡
static u8 ms1_counter = 0;
switch (ms1_counter) { // 每10ms执行的代码,负载均衡
case 0: {
scheduler.taskFlags |= (1 << TASK_THERMAL_CONTROL);
break;
}
case 1: {
scheduler.taskFlags |= (1 << TASK_MAGNETIC_CHECK);
break;
}
case 2: {
break;
}
}
ms1_counter++;
if (ms1_counter > 9) {
ms1_counter = 0;
// 可以添加每10ms执行的代码,无负载均衡
static u8 ms10_counter = 0;
ms10_counter++;
if (ms10_counter > 9) {
ms10_counter = 0;
// 可以添加每100ms执行的代码
static u8 sec_counter = 0;
sec_counter++;
if (sec_counter > 9) {
sec_counter = 0;
// 可以添加每1s执行的代码
}
}
}
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}
}
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}
}
/**
* @brief TIMER1-PWM GPIO 配置函数
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*/
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void timer1_gpio_config(void) {
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// 时钟使能
rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_AF);
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rcu_periph_clock_enable(RCU_TIMER1);
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// TIMER1 GPIO 初始化
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gpio_init(GPIOA, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0);
gpio_init(GPIOA, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
gpio_init(GPIOA, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_2);
gpio_init(GPIOB, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ,
GPIO_PIN_0 | GPIO_PIN_12);
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gpio_bit_set(GPIOB, GPIO_PIN_0);
gpio_bit_set(GPIOB, GPIO_PIN_12);
/* 配置 TIMER1 完全重映射*/
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gpio_pin_remap_config(GPIO_TIMER1_FULL_REMAP, DISABLE);
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}
/**
* @brief TIMER1-PWM 配置函数
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*/
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void timer1_pwm_config(void) {
timer_parameter_struct timer_initpara;
timer_oc_parameter_struct timer_ocinitpara;
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// 使能 TIMER1 时钟
rcu_periph_clock_enable(RCU_TIMER1);
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// 复位 TIMER1
timer_deinit(TIMER1);
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// 配置 TIMER1 基本参数
timer_struct_para_init(&timer_initpara);
timer_initpara.prescaler = TIMER1_PRESCALER; // 预分频器
timer_initpara.counterdirection = TIMER_COUNTER_UP; // 向上计数
timer_initpara.period = TIMER1_PERIOD; // 计数周期
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_init(TIMER1, &timer_initpara);
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// 配置通道输出参数
timer_channel_output_struct_para_init(&timer_ocinitpara);
timer_ocinitpara.outputstate = TIMER_CCX_ENABLE;
timer_ocinitpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
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// 配置三个通道为 PWM 模式
timer_channel_output_config(TIMER1, TIMER_CH_0, &timer_ocinitpara);
timer_channel_output_config(TIMER1, TIMER_CH_1, &timer_ocinitpara);
timer_channel_output_config(TIMER1, TIMER_CH_2, &timer_ocinitpara);
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// 配置第四个通道 (CH3) 用于在 PWM 周期 x% 位置触发中断
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timer_ocinitpara.outputstate =
TIMER_CCX_DISABLE; // 不输出 PWM 波形,仅用于触发中断
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timer_ocinitpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
timer_channel_output_config(TIMER1, TIMER_CH_3, &timer_ocinitpara);
// 设置 PWM 模式和占空比
timer_channel_output_mode_config(TIMER1, TIMER_CH_0, TIMER_OC_MODE_PWM0);
timer_channel_output_mode_config(TIMER1, TIMER_CH_1, TIMER_OC_MODE_PWM0);
timer_channel_output_mode_config(TIMER1, TIMER_CH_2, TIMER_OC_MODE_PWM0);
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timer_channel_output_mode_config(TIMER1, TIMER_CH_3,
TIMER_OC_MODE_PWM0); // CH3 也设为 PWM 模式
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timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_0,
TIMER1_DEFAULT_PULSE);
timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_1,
TIMER1_DEFAULT_PULSE);
timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_2,
TIMER1_DEFAULT_PULSE);
// 设置 CH3 比较值为 PWM 周期 x% 位置
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timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_3,
TIMER1_CH3_COMPARE_VALUE);
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// 使能主输出和自动重载
timer_primary_output_config(TIMER1, ENABLE);
timer_auto_reload_shadow_enable(TIMER1);
// 使能 CH3 比较中断
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timer_interrupt_enable(TIMER1, TIMER_INT_CH3);
// 启动 TIMER1
timer_enable(TIMER1);
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}
// 添加 TIMER1-PWM 中断处理函数
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/**
* @brief TIMER1 中断处理函数
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* @return void
*/
void TIMER1_IRQHandler(void) {
// 检查 CH3 比较中断标志并处理
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if (timer_interrupt_flag_get(TIMER1, TIMER_INT_FLAG_CH3) != RESET) {
// 清除 CH3 比较中断标志
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timer_interrupt_flag_clear(TIMER1, TIMER_INT_FLAG_CH3);
scheduler.taskFlags |= (1 << TASK_CURRENT_UPDATE);
// 例如触发 ADC 采样或其他操作
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}
}
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/*!
\brief set PWM
\param[in] channel: TIMER_CH_0/TIMER_CH_1/TIMER_CH_2/TIMER_CH_3 (valid
values: 0, 1, 2, 3)
\param[in] pulse: PWM pulse value
\param[out] none
\retval none
\note The channel parameter must be between 0 and 3 inclusive.
*/
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void Set_Pwm(u16 channel, float duty_cycle) {
float pulse = duty_cycle * TIMER1_PERIOD;
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if (channel <= 3) {
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timer_channel_output_pulse_value_config(TIMER1, channel, pulse);
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} else {
} // Ensure channel is within valid range
}
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/*!
\brief set PWM
\param[in] channel: TIMER_CH_0/TIMER_CH_1/TIMER_CH_2/TIMER_CH_3 (valid
values: 0, 1, 2, 3)
\param[in] pulse: PWM pulse value
\param[out] none
\retval none
\note The channel parameter must be between 0 and 3 inclusive.
*/
void Set_3Pwm(float duty_cycle0, float duty_cycle1, float duty_cycle2) {
// 直接写寄存器
TIMER_CH0CV(TIMER1) = (uint32_t)(duty_cycle0 * TIMER1_PERIOD);
TIMER_CH1CV(TIMER1) = (uint32_t)(duty_cycle1 * TIMER1_PERIOD);
TIMER_CH2CV(TIMER1) = (uint32_t)(duty_cycle2 * TIMER1_PERIOD);
}