122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
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#include "Voile.h"
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#include "stm32f1xx_ll_gpio.h"
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#include "stm32f1xx_ll_rcc.h" // utile dans la fonction SystemClock_Config
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#include "stm32f1xx_ll_utils.h" // utile dans la fonction SystemClock_Config
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#include "stm32f1xx_ll_system.h" // utile dans la fonction SystemClock_Config
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#include "stm32f1xx_ll_tim.h"
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#include "stm32f1xx_ll_bus.h"
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#include "stdlib.h" //Remplacer par maths.h quand on va tout faire marcher.
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#define ARR (19999)
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#define PSC (71)
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#define Timer (TIM1)
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#define channel (1)
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#define coefa (2)
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#define coefb (1)
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#define coefc (2)
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#define coefd (1)
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int angleVoileActuel = 0; //angle de la voile. Mis à jour quans on la tend. de 0 à 45.
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void ConfVoile(){
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
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MyTimer_Conf(Timer,ARR,PSC);
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LL_GPIO_SetPinMode(GPIOA,LL_GPIO_PIN_8,LL_GPIO_MODE_ALTERNATE);
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LL_GPIO_SetPinOutputType(GPIOA,LL_GPIO_PIN_8,LL_GPIO_OUTPUT_PUSHPULL);
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LL_TIM_OC_SetMode(Timer, channel, LL_TIM_OCMODE_PWM1);
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Timer->CCER |= TIM_CCER_CC1E;
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Timer->BDTR |= 0x1 << 15;
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Timer->CCR1 = 1500; // par defaut tendu à 1ms
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MyTimer_Start(Timer);
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}
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int RecupTension(void){
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return angleVoileActuel;
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}
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int CalculerTension(int alpha){
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if (0 < abs(alpha) && abs(alpha) > 45){
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return 0;
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}
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else {
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int res = alpha * coefa + coefb;
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return res;
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}
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}
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void TendreVoile(int theta)
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{
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Timer->CCR1 = coefc * theta + coefd ;
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 72000000
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* HCLK(Hz) = 72000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 2
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* APB2 Prescaler = 1
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* HSE Frequency(Hz) = 8000000
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* PLLMUL = 9
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* Flash Latency(WS) = 2
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* @param None
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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/* Set FLASH latency */
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
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/* Enable HSE oscillator */
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// ********* Commenter la ligne ci-dessous pour MCBSTM32 *****************
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// ********* Conserver la ligne si Nucléo*********************************
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// LL_RCC_HSE_EnableBypass();
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LL_RCC_HSE_Enable();
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while(LL_RCC_HSE_IsReady() != 1)
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{
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};
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/* Main PLL configuration and activation */
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LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
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LL_RCC_PLL_Enable();
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while(LL_RCC_PLL_IsReady() != 1)
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{
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};
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/* Sysclk activation on the main PLL */
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
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{
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};
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/* Set APB1 & APB2 prescaler*/
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
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/* Set systick to 1ms in using frequency set to 72MHz */
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LL_Init1msTick(72000000); // utile lorsqu'on utilise la fonction LL_mDelay
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/* Update CMSIS variable (which can be updated also through SystemCoreClockUpdate function) */
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LL_SetSystemCoreClock(72000000);
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}
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int main(){
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SystemClock_Config();
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ConfVoile();
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while (1){}
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}
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