Gerald Ebmer / Mbed 2 deprecated HV_Pulsgenerator

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Dependencies:   mbed

main.cpp@0:1df541c54e25, 2018-06-19 (annotated)

Committer:
geryyy
Date:
Tue Jun 19 08:33:20 2018 +0000
Revision:
0:1df541c54e25
Child:
1:5bceb51fde85
PWM working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
geryyy 0:1df541c54e25 1 #include "mbed.h"
geryyy 0:1df541c54e25 2 #include "stm32f7xx_hal.h"
geryyy 0:1df541c54e25 3
geryyy 0:1df541c54e25 4 #define TIMx TIM3
geryyy 0:1df541c54e25 5 #define TIMx_CLK_ENABLE() __TIM3_CLK_ENABLE()
geryyy 0:1df541c54e25 6
geryyy 0:1df541c54e25 7 /* Definition for TIMx Channel Pins */
geryyy 0:1df541c54e25 8 #define TIMx_CHANNEL_GPIO_PORT() __HAL_RCC_GPIOB_CLK_ENABLE();
geryyy 0:1df541c54e25 9 #define TIMx_GPIO_PORT_CHANNEL1 GPIOB
geryyy 0:1df541c54e25 10 #define TIMx_GPIO_PORT_CHANNEL2 GPIOB
geryyy 0:1df541c54e25 11 #define TIMx_GPIO_PORT_CHANNEL3 GPIOB
geryyy 0:1df541c54e25 12 #define TIMx_GPIO_PORT_CHANNEL4 GPIOB
geryyy 0:1df541c54e25 13 #define TIMx_GPIO_PIN_CHANNEL1 GPIO_PIN_4
geryyy 0:1df541c54e25 14 #define TIMx_GPIO_PIN_CHANNEL2 GPIO_PIN_5
geryyy 0:1df541c54e25 15 #define TIMx_GPIO_AF_CHANNEL1 GPIO_AF2_TIM3
geryyy 0:1df541c54e25 16 #define TIMx_GPIO_AF_CHANNEL2 GPIO_AF2_TIM3
geryyy 0:1df541c54e25 17
geryyy 0:1df541c54e25 18 TIM_HandleTypeDef TimHandle;
geryyy 0:1df541c54e25 19 /* Prescaler value declartion*/
geryyy 0:1df541c54e25 20 uint32_t uhPrescalerValue = 0;
geryyy 0:1df541c54e25 21
geryyy 0:1df541c54e25 22 TIM_OC_InitTypeDef sConfig;
geryyy 0:1df541c54e25 23
geryyy 0:1df541c54e25 24 void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim);
geryyy 0:1df541c54e25 25 void Error_Handler(char *file, int line);
geryyy 0:1df541c54e25 26
geryyy 0:1df541c54e25 27
geryyy 0:1df541c54e25 28 DigitalOut myled(LED1);
geryyy 0:1df541c54e25 29
geryyy 0:1df541c54e25 30 int main() {
geryyy 0:1df541c54e25 31 printf("HV Pulsgenerator V0.1\nGerald Ebmer 2018\n\n");
geryyy 0:1df541c54e25 32
geryyy 0:1df541c54e25 33 uhPrescalerValue = (uint32_t)(((SystemCoreClock/ 2) / 10000000) - 1);
geryyy 0:1df541c54e25 34
geryyy 0:1df541c54e25 35 TimHandle.Instance = TIMx;
geryyy 0:1df541c54e25 36
geryyy 0:1df541c54e25 37 TimHandle.Init.Prescaler = uhPrescalerValue;
geryyy 0:1df541c54e25 38 TimHandle.Init.Period = 1000;
geryyy 0:1df541c54e25 39 TimHandle.Init.ClockDivision = 0;
geryyy 0:1df541c54e25 40 TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
geryyy 0:1df541c54e25 41 TimHandle.Init.RepetitionCounter = 0;
geryyy 0:1df541c54e25 42 TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
geryyy 0:1df541c54e25 43 if (HAL_TIM_PWM_Init(&TimHandle) != HAL_OK)
geryyy 0:1df541c54e25 44 {
geryyy 0:1df541c54e25 45 /* Initialization Error */
geryyy 0:1df541c54e25 46 Error_Handler(__FILE__, __LINE__);
geryyy 0:1df541c54e25 47 }
geryyy 0:1df541c54e25 48
geryyy 0:1df541c54e25 49 /*##-2- Configure the PWM channels #########################################*/
geryyy 0:1df541c54e25 50 /* Common configuration for all channels */
geryyy 0:1df541c54e25 51 sConfig.OCMode = TIM_OCMODE_PWM1;
geryyy 0:1df541c54e25 52 sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
geryyy 0:1df541c54e25 53 sConfig.OCFastMode = TIM_OCFAST_DISABLE;
geryyy 0:1df541c54e25 54 sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH;
geryyy 0:1df541c54e25 55 sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET;
geryyy 0:1df541c54e25 56
geryyy 0:1df541c54e25 57 sConfig.OCIdleState = TIM_OCIDLESTATE_RESET;
geryyy 0:1df541c54e25 58
geryyy 0:1df541c54e25 59 /* Set the pulse value for channel 1 */
geryyy 0:1df541c54e25 60 sConfig.Pulse = 100;
geryyy 0:1df541c54e25 61 if (HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
geryyy 0:1df541c54e25 62 {
geryyy 0:1df541c54e25 63 /* Configuration Error */
geryyy 0:1df541c54e25 64 Error_Handler(__FILE__, __LINE__);
geryyy 0:1df541c54e25 65 }
geryyy 0:1df541c54e25 66
geryyy 0:1df541c54e25 67 /* Set the pulse value for channel 2 */
geryyy 0:1df541c54e25 68 sConfig.Pulse = 900;
geryyy 0:1df541c54e25 69 if (HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
geryyy 0:1df541c54e25 70 {
geryyy 0:1df541c54e25 71 /* Configuration Error */
geryyy 0:1df541c54e25 72 Error_Handler(__FILE__, __LINE__);
geryyy 0:1df541c54e25 73 }
geryyy 0:1df541c54e25 74
geryyy 0:1df541c54e25 75
geryyy 0:1df541c54e25 76 /*##-3- Start PWM signals generation #######################################*/
geryyy 0:1df541c54e25 77 /* Start channel 1 */
geryyy 0:1df541c54e25 78 if (HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
geryyy 0:1df541c54e25 79 {
geryyy 0:1df541c54e25 80 /* PWM Generation Error */
geryyy 0:1df541c54e25 81 Error_Handler(__FILE__, __LINE__);
geryyy 0:1df541c54e25 82 }
geryyy 0:1df541c54e25 83 /* Start channel 2 */
geryyy 0:1df541c54e25 84 if (HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
geryyy 0:1df541c54e25 85 {
geryyy 0:1df541c54e25 86 /* PWM Generation Error */
geryyy 0:1df541c54e25 87 Error_Handler(__FILE__, __LINE__);
geryyy 0:1df541c54e25 88 }
geryyy 0:1df541c54e25 89
geryyy 0:1df541c54e25 90 while(1) {
geryyy 0:1df541c54e25 91 myled = !myled;
geryyy 0:1df541c54e25 92 wait(1);
geryyy 0:1df541c54e25 93 }
geryyy 0:1df541c54e25 94 }
geryyy 0:1df541c54e25 95
geryyy 0:1df541c54e25 96 void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim)
geryyy 0:1df541c54e25 97 {
geryyy 0:1df541c54e25 98 GPIO_InitTypeDef GPIO_InitStruct;
geryyy 0:1df541c54e25 99 /*##-1- Enable peripherals and GPIO Clocks #################################*/
geryyy 0:1df541c54e25 100 /* TIMx Peripheral clock enable */
geryyy 0:1df541c54e25 101 TIMx_CLK_ENABLE();
geryyy 0:1df541c54e25 102
geryyy 0:1df541c54e25 103 /* Enable all GPIO Channels Clock requested */
geryyy 0:1df541c54e25 104 TIMx_CHANNEL_GPIO_PORT();
geryyy 0:1df541c54e25 105
geryyy 0:1df541c54e25 106 /* Configure PB.04 (pin 19 in CN7 connector) (TIM3_Channel1), PB.05 (pin 13 in CN7 connector) (TIM3_Channel2), PB.00 (pin 31 in CN10 connector) (TIM3_Channel3),
geryyy 0:1df541c54e25 107 PB.01 (pin 7 in CN10 connector) (TIM3_Channel4) in output, push-pull, alternate function mode
geryyy 0:1df541c54e25 108 */
geryyy 0:1df541c54e25 109 /* Common configuration for all channels */
geryyy 0:1df541c54e25 110 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
geryyy 0:1df541c54e25 111 GPIO_InitStruct.Pull = GPIO_PULLUP;
geryyy 0:1df541c54e25 112 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
geryyy 0:1df541c54e25 113
geryyy 0:1df541c54e25 114 GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL1;
geryyy 0:1df541c54e25 115 GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL1;
geryyy 0:1df541c54e25 116 HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL1, &GPIO_InitStruct);
geryyy 0:1df541c54e25 117
geryyy 0:1df541c54e25 118 GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL2;
geryyy 0:1df541c54e25 119 GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL2;
geryyy 0:1df541c54e25 120 HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL2, &GPIO_InitStruct);
geryyy 0:1df541c54e25 121 }
geryyy 0:1df541c54e25 122
geryyy 0:1df541c54e25 123
geryyy 0:1df541c54e25 124 /**
geryyy 0:1df541c54e25 125 * @brief This function is executed in case of error occurrence.
geryyy 0:1df541c54e25 126 * @param file: The file name as string.
geryyy 0:1df541c54e25 127 * @param line: The line in file as a number.
geryyy 0:1df541c54e25 128 * @retval None
geryyy 0:1df541c54e25 129 */
geryyy 0:1df541c54e25 130 void Error_Handler(char *file, int line)
geryyy 0:1df541c54e25 131 {
geryyy 0:1df541c54e25 132 fprintf(stderr, "Error in file %s linenr %d!\n",file,line);
geryyy 0:1df541c54e25 133 /* USER CODE BEGIN Error_Handler_Debug */
geryyy 0:1df541c54e25 134 /* User can add his own implementation to report the HAL error return state */
geryyy 0:1df541c54e25 135 while(1)
geryyy 0:1df541c54e25 136 {
geryyy 0:1df541c54e25 137 }
geryyy 0:1df541c54e25 138 /* USER CODE END Error_Handler_Debug */
geryyy 0:1df541c54e25 139 }