Update control.c
- removed the `PWM_signal_Correct(..)` function, because it is already existing here 34c6e4d610/Src/util.c (L844-L862)
- added (void) to the functions
- limited `pwm_timeout` to 500 instead of 0, ottherwise the timeout won't work properly, because it will will reset every time.
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@ -90,19 +90,7 @@ uint16_t pwm_captured_ch1_value = 500;
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uint16_t pwm_captured_ch2_value = 500;
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uint32_t pwm_timeout = 0;
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int PWM_Signal_Correct(int x, int max, int min) {
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int outVal = 0;
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if(x > -PWM_DEADBAND && x < PWM_DEADBAND) {
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outVal = 0;
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} else if(x > 0) {
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outVal = (float)CLAMP(x-PWM_DEADBAND, 0, max - PWM_DEADBAND) / (max - PWM_DEADBAND) * 1000;
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} else {
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outVal = 0 - ((float)CLAMP(x+PWM_DEADBAND, min + PWM_DEADBAND, 0) / (min + PWM_DEADBAND) * 1000);
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}
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return outVal;
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}
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void PWM_ISR_CH1_Callback() {
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void PWM_ISR_CH1_Callback(void) {
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// Dummy loop with 16 bit count wrap around
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uint16_t rc_signal = TIM2->CNT;
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TIM2->CNT = 0;
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@ -114,7 +102,7 @@ void PWM_ISR_CH1_Callback() {
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}
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}
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void PWM_ISR_CH2_Callback() {
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void PWM_ISR_CH2_Callback(void) {
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// Dummy loop with 16 bit count wrap around
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uint16_t rc_signal = TIM2->CNT;
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TIM2->CNT = 0;
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@ -127,34 +115,34 @@ void PWM_ISR_CH2_Callback() {
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}
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// SysTick executes once each ms
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void PWM_SysTick_Callback() {
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void PWM_SysTick_Callback(void) {
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pwm_timeout++;
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// Stop after 500 ms without PPM signal
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if(pwm_timeout > 500) {
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//pwm_captured_ch1_value = 500;
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pwm_captured_ch2_value = 500;
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pwm_timeout = 0;
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pwm_timeout = 500;
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}
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}
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void PWM_Init() {
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void PWM_Init(void) {
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// PWM Timer (TIM2)
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__HAL_RCC_TIM2_CLK_ENABLE();
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TimHandle.Instance = TIM2;
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TimHandle.Init.Period = UINT16_MAX;
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TimHandle.Init.Prescaler = (SystemCoreClock/DELAY_TIM_FREQUENCY_US)-1;;
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TimHandle.Init.ClockDivision = 0;
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TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TimHandle.Instance = TIM2;
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TimHandle.Init.Period = UINT16_MAX;
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TimHandle.Init.Prescaler = (SystemCoreClock/DELAY_TIM_FREQUENCY_US)-1;;
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TimHandle.Init.ClockDivision = 0;
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TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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HAL_TIM_Base_Init(&TimHandle);
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// Channel 1 (steering)
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GPIO_InitTypeDef GPIO_InitStruct2;
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// Configure GPIO pin : PA2
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GPIO_InitStruct2.Pin = GPIO_PIN_2;
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GPIO_InitStruct2.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct2.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct2.Pull = GPIO_PULLDOWN;
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GPIO_InitStruct2.Pin = GPIO_PIN_2;
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GPIO_InitStruct2.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct2.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct2.Pull = GPIO_PULLDOWN;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct2);
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// EXTI interrupt init
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@ -165,10 +153,10 @@ void PWM_Init() {
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// Channel 2 (speed)
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GPIO_InitTypeDef GPIO_InitStruct;
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/*Configure GPIO pin : PA3 */
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* EXTI interrupt init*/
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