vadyschka01
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
#include "stm32g4xx.h"
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#include "imu.h"
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#include "motors.h"
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#include "dsp_manager.h"
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// 1. ПЕРЕМЕННЫЕ
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volatile uint8_t imu_flag = 0;
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volatile uint32_t m1_speed = 900;
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volatile uint32_t m2_speed = 900;
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volatile uint32_t m3_speed = 900;
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volatile uint32_t m4_speed = 900;
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#pragma pack(push, 1)
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typedef struct {
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uint8_t header[2];
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int16_t gx;
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int16_t filt_gx;
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} Telemetry_t;
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#pragma pack(pop)
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// 2. ПРОТОТИПЫ (Чтобы компилятор не ругался)
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void SystemClock_Config_160MHz(void);
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void UART2_Init_921600(void);
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void TIM6_Init_1000Hz(void);
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void UART_SendPacket(Telemetry_t *p);
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// 3. ОСНОВНОЙ ЦИКЛ
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int main(void) {
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SystemClock_Config_160MHz();
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Motors_Init();
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Set_Motors(900);
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for (int i = 0; i < 20000000; i++) __NOP(); // Пауза для ESC
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I2C1_Init();
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UART2_Init_921600();
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IMU_Init();
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IMU_Calibrate();
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DSP_Init(); // Инициализация нашего анализатора Фурье
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TIM6_Init_1000Hz();
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__enable_irq();
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Telemetry_t pkt;
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pkt.header[0] = 0xAA; pkt.header[1] = 0xBB;
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while (1) {
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if (imu_flag) {
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imu_flag = 0;
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IMU_ReadRawData();
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//сохраняем во временную переменную
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int16_t gx_val = raw_gx;
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DSP_AddSample((float32_t)gx_val);
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if (dsp_buffer_ready) {
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DSP_Process();
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}
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pkt.gx = gx_val;
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pkt.filt_gx = (int16_t)filt_gx;
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UART_SendPacket(&pkt);
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Set_Motor_Individual(m1_speed, m2_speed, m3_speed, m4_speed);
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}
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}
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}
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// 4. РЕАЛИЗАЦИЯ ФУНКЦИЙ (Тут был провал - их не хватало!)
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void SystemClock_Config_160MHz(void) {
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RCC->CR |= RCC_CR_HSION;
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while(!(RCC->CR & RCC_CR_HSIRDY));
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RCC->PLLCFGR = (RCC_PLLCFGR_PLLSRC_HSI | (3 << RCC_PLLCFGR_PLLM_Pos) |
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(80 << RCC_PLLCFGR_PLLN_Pos) | (0 << RCC_PLLCFGR_PLLR_Pos));
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RCC->CR |= RCC_CR_PLLON;
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RCC->PLLCFGR |= RCC_PLLCFGR_PLLREN;
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while(!(RCC->CR & RCC_CR_PLLRDY));
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FLASH->ACR |= (4 << FLASH_ACR_LATENCY_Pos);
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RCC->CFGR |= RCC_CFGR_SW_PLL;
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while((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_PLL);
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SystemCoreClockUpdate();
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}
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void UART2_Init_921600(void) {
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RCC->AHB2ENR |= RCC_AHB2ENR_GPIOBEN;
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RCC->APB1ENR1 |= RCC_APB1ENR1_USART2EN;
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RCC->CCIPR |= (1 << RCC_CCIPR_USART2SEL_Pos);
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GPIOB->MODER &= ~(GPIO_MODER_MODE3 | GPIO_MODER_MODE4);
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GPIOB->MODER |= (GPIO_MODER_MODE3_1 | GPIO_MODER_MODE4_1);
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GPIOB->AFR[0] &= ~((0xF << 12) | (0xF << 16));
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GPIOB->AFR[0] |= ((7 << 12) | (7 << 16));
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USART2->BRR = 174;
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USART2->CR1 = USART_CR1_TE | USART_CR1_UE;
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}
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void UART_SendPacket(Telemetry_t *p) {
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uint8_t *ptr = (uint8_t*)p;
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for (uint16_t i = 0; i < sizeof(Telemetry_t); i++) {
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while (!(USART2->ISR & USART_ISR_TXE));
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USART2->TDR = ptr[i];
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}
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}
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void TIM6_Init_1000Hz(void) {
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RCC->APB1ENR1 |= RCC_APB1ENR1_TIM6EN;
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TIM6->PSC = 16000 - 1;
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TIM6->ARR = 10 - 1;
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TIM6->DIER |= TIM_DIER_UIE;
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NVIC_EnableIRQ(TIM6_DAC_IRQn);
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TIM6->CR1 |= TIM_CR1_CEN;
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}
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void TIM6_DAC_IRQHandler(void) {
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if (TIM6->SR & TIM_SR_UIF) {
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TIM6->SR = 0;
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imu_flag = 1;
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}
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} |