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2011
INIT_HW/INIT_HW.cpp@238:91d3ec3a087e, 2022-07-01 (annotated)
- Committer:
- Lightvalve
- Date:
- Fri Jul 01 05:37:08 2022 +0000
- Revision:
- 238:91d3ec3a087e
- Parent:
- 237:f69cd0553be0
- Child:
- 240:3ffd78cbd029
220701
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GiJeongKim | 0:51c43836c1d7 | 1 | #include "mbed.h" |
GiJeongKim | 0:51c43836c1d7 | 2 | #include "FastPWM.h" |
GiJeongKim | 0:51c43836c1d7 | 3 | #include "setting.h" |
GiJeongKim | 0:51c43836c1d7 | 4 | |
Lightvalve | 231:30896263bd8b | 5 | extern ADC_HandleTypeDef hadc1; |
Lightvalve | 231:30896263bd8b | 6 | extern ADC_HandleTypeDef hadc2; |
Lightvalve | 232:e9c5ec04e378 | 7 | extern ADC_HandleTypeDef hadc3; |
Lightvalve | 231:30896263bd8b | 8 | |
Lightvalve | 232:e9c5ec04e378 | 9 | void Init_ADC1(void) |
Lightvalve | 231:30896263bd8b | 10 | { |
Lightvalve | 235:bfdf0f479a38 | 11 | /* |
Lightvalve | 235:bfdf0f479a38 | 12 | // ADC Setup |
Lightvalve | 235:bfdf0f479a38 | 13 | // RCC->APB2ENR |= RCC_APB2ENR_ADC3EN; // clock for ADC3 |
Lightvalve | 235:bfdf0f479a38 | 14 | // RCC->APB2ENR |= RCC_APB2ENR_ADC2EN; // clock for ADC2 |
Lightvalve | 235:bfdf0f479a38 | 15 | RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; // clock for ADC1 |
Lightvalve | 235:bfdf0f479a38 | 16 | RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN; // Enable clock for GPIOC |
Lightvalve | 235:bfdf0f479a38 | 17 | // RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN; // Enable clock for GPIOB |
Lightvalve | 235:bfdf0f479a38 | 18 | ADC1->CR2 |= ADC_CR2_ADON;//0x00000001; // ADC1 ON |
Lightvalve | 235:bfdf0f479a38 | 19 | // ADC->CCR = 0x00000016; // Regular simultaneous mode only |
Lightvalve | 235:bfdf0f479a38 | 20 | ADC1->CR1 |= 0x800; // Discontinuous mode |
Lightvalve | 235:bfdf0f479a38 | 21 | ADC1->CR1 |= 0x100; // Scan mode |
Lightvalve | 235:bfdf0f479a38 | 22 | ADC1->CR2 |= 0x400; // EOC |
Lightvalve | 235:bfdf0f479a38 | 23 | ADC1->SQR1 |= 0x100000; // 2 conversions |
Lightvalve | 235:bfdf0f479a38 | 24 | // ADC1->SQR3 = 0x00000008; // use PB_0 as input - ADC1_IN8 |
Lightvalve | 235:bfdf0f479a38 | 25 | ADC1->SQR3 |= 0x0000000E; //channel // use PC_4 as input - ADC1_IN14 |
Lightvalve | 235:bfdf0f479a38 | 26 | ADC1->SQR3 |= 0x000001E0; // use PC_5 as input - ADC1_IN15 0b0000 0000 0000 0000 0000 0001 1110 0000 |
Lightvalve | 235:bfdf0f479a38 | 27 | // ADC2->CR2 |= ADC_CR2_ADON;//0x00000001; // ADC2 ON |
Lightvalve | 235:bfdf0f479a38 | 28 | // ADC2->SQR3 = 0x00000008; // use PB_0 as input - ADC2_IN8 |
Lightvalve | 235:bfdf0f479a38 | 29 | // ADC3->CR2 |= ADC_CR2_ADON; // ADC3 ON00000000000 |
Lightvalve | 235:bfdf0f479a38 | 30 | // ADC3->SQR3 = 0x0000000B; // use PC_1, - ADC3_IN11 |
Lightvalve | 235:bfdf0f479a38 | 31 | GPIOC->MODER |= 0b111100000000; //each channel // PC_4, PC_5 are analog inputs |
Lightvalve | 235:bfdf0f479a38 | 32 | // GPIOB->MODER |= 0x3; // PB_0 as analog input |
Lightvalve | 235:bfdf0f479a38 | 33 | // ADC1->SMPR2 |= 0x01000000; // 15 cycles on CH_8, 0b0000000100000000<<16 |
Lightvalve | 235:bfdf0f479a38 | 34 | // ADC1->SMPR1 |= 0x00001000; // 15 cycles on CH_14 |
Lightvalve | 235:bfdf0f479a38 | 35 | // ADC1->SMPR1 |= 0x00008000; // 15 cycles on CH_15 |
Lightvalve | 235:bfdf0f479a38 | 36 | // ADC2->SMPR2 |= 0x01000000; // 15 cycles on CH_8, 0b0000000100000000<<16 |
Lightvalve | 235:bfdf0f479a38 | 37 | // ADC3->SMPR1 |= 0x00000008; // 15 cycles on CH_11, 0b0000000000001000 |
Lightvalve | 235:bfdf0f479a38 | 38 | |
Lightvalve | 235:bfdf0f479a38 | 39 | */ |
Lightvalve | 232:e9c5ec04e378 | 40 | |
Lightvalve | 235:bfdf0f479a38 | 41 | //////////////////////////////////////////////////ADC1//////////////////////////////////////////////// |
Lightvalve | 235:bfdf0f479a38 | 42 | ADC_ChannelConfTypeDef sConfig = {0}; |
Lightvalve | 232:e9c5ec04e378 | 43 | |
Lightvalve | 235:bfdf0f479a38 | 44 | hadc1.Instance = ADC1; |
Lightvalve | 235:bfdf0f479a38 | 45 | hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; |
Lightvalve | 235:bfdf0f479a38 | 46 | hadc1.Init.Resolution = ADC_RESOLUTION_12B; |
Lightvalve | 235:bfdf0f479a38 | 47 | hadc1.Init.ScanConvMode = ENABLE; |
Lightvalve | 235:bfdf0f479a38 | 48 | hadc1.Init.ContinuousConvMode = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 49 | hadc1.Init.DiscontinuousConvMode = ENABLE; |
Lightvalve | 235:bfdf0f479a38 | 50 | hadc1.Init.NbrOfDiscConversion = 1; |
Lightvalve | 235:bfdf0f479a38 | 51 | hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; |
Lightvalve | 235:bfdf0f479a38 | 52 | hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START; |
Lightvalve | 235:bfdf0f479a38 | 53 | hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
Lightvalve | 235:bfdf0f479a38 | 54 | hadc1.Init.NbrOfConversion = 2; |
Lightvalve | 235:bfdf0f479a38 | 55 | hadc1.Init.DMAContinuousRequests = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 56 | hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV; |
Lightvalve | 235:bfdf0f479a38 | 57 | if (HAL_ADC_Init(&hadc1) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 58 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 59 | } |
Lightvalve | 235:bfdf0f479a38 | 60 | sConfig.Channel = ADC_CHANNEL_14; |
Lightvalve | 235:bfdf0f479a38 | 61 | sConfig.Rank = 1; |
Lightvalve | 235:bfdf0f479a38 | 62 | sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; |
Lightvalve | 235:bfdf0f479a38 | 63 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 64 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 65 | } |
Lightvalve | 235:bfdf0f479a38 | 66 | sConfig.Channel = ADC_CHANNEL_15; |
Lightvalve | 235:bfdf0f479a38 | 67 | sConfig.Rank = 2; |
Lightvalve | 235:bfdf0f479a38 | 68 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 69 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 70 | } |
Lightvalve | 235:bfdf0f479a38 | 71 | hadc1.Instance->CR2 |= ADC_CR2_ADON; |
Lightvalve | 231:30896263bd8b | 72 | } |
Lightvalve | 231:30896263bd8b | 73 | |
Lightvalve | 232:e9c5ec04e378 | 74 | void Init_ADC2(void) |
Lightvalve | 232:e9c5ec04e378 | 75 | { |
Lightvalve | 235:bfdf0f479a38 | 76 | |
Lightvalve | 235:bfdf0f479a38 | 77 | //////////////////////////////////////////////////ADC2//////////////////////////////////////////////// |
Lightvalve | 235:bfdf0f479a38 | 78 | ADC_ChannelConfTypeDef sConfig = {0}; |
Lightvalve | 235:bfdf0f479a38 | 79 | |
Lightvalve | 235:bfdf0f479a38 | 80 | hadc2.Instance = ADC2; |
Lightvalve | 235:bfdf0f479a38 | 81 | hadc2.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; |
Lightvalve | 235:bfdf0f479a38 | 82 | hadc2.Init.Resolution = ADC_RESOLUTION_12B; |
Lightvalve | 235:bfdf0f479a38 | 83 | hadc2.Init.ScanConvMode = ENABLE; |
Lightvalve | 235:bfdf0f479a38 | 84 | hadc2.Init.ContinuousConvMode = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 85 | hadc2.Init.DiscontinuousConvMode = ENABLE; |
Lightvalve | 235:bfdf0f479a38 | 86 | hadc2.Init.NbrOfDiscConversion = 1; |
Lightvalve | 235:bfdf0f479a38 | 87 | hadc2.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; |
Lightvalve | 235:bfdf0f479a38 | 88 | hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START; |
Lightvalve | 235:bfdf0f479a38 | 89 | hadc2.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
Lightvalve | 235:bfdf0f479a38 | 90 | hadc2.Init.NbrOfConversion = 2; |
Lightvalve | 235:bfdf0f479a38 | 91 | hadc2.Init.DMAContinuousRequests = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 92 | hadc2.Init.EOCSelection = ADC_EOC_SINGLE_CONV; |
Lightvalve | 235:bfdf0f479a38 | 93 | if (HAL_ADC_Init(&hadc2) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 94 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 95 | } |
Lightvalve | 235:bfdf0f479a38 | 96 | sConfig.Channel = ADC_CHANNEL_11; |
Lightvalve | 235:bfdf0f479a38 | 97 | sConfig.Rank = 1; |
Lightvalve | 235:bfdf0f479a38 | 98 | sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; |
Lightvalve | 235:bfdf0f479a38 | 99 | if (HAL_ADC_ConfigChannel(&hadc2, &sConfig) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 100 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 101 | } |
Lightvalve | 235:bfdf0f479a38 | 102 | sConfig.Channel = ADC_CHANNEL_9; |
Lightvalve | 235:bfdf0f479a38 | 103 | sConfig.Rank = 2; |
Lightvalve | 235:bfdf0f479a38 | 104 | if (HAL_ADC_ConfigChannel(&hadc2, &sConfig) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 105 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 106 | } |
Lightvalve | 235:bfdf0f479a38 | 107 | hadc2.Instance->CR2 |= ADC_CR2_ADON; |
Lightvalve | 232:e9c5ec04e378 | 108 | } |
Lightvalve | 231:30896263bd8b | 109 | |
Lightvalve | 232:e9c5ec04e378 | 110 | void Init_ADC3(void) |
Lightvalve | 231:30896263bd8b | 111 | { |
Lightvalve | 235:bfdf0f479a38 | 112 | //////////////////////////////////////////////////ADC3//////////////////////////////////////////////// |
Lightvalve | 235:bfdf0f479a38 | 113 | ADC_ChannelConfTypeDef sConfig = {0}; |
Lightvalve | 235:bfdf0f479a38 | 114 | |
Lightvalve | 235:bfdf0f479a38 | 115 | hadc3.Instance = ADC3; |
Lightvalve | 235:bfdf0f479a38 | 116 | hadc3.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; |
Lightvalve | 235:bfdf0f479a38 | 117 | hadc3.Init.Resolution = ADC_RESOLUTION_12B; |
Lightvalve | 235:bfdf0f479a38 | 118 | hadc3.Init.ScanConvMode = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 119 | hadc3.Init.ContinuousConvMode = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 120 | hadc3.Init.DiscontinuousConvMode = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 121 | hadc3.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; |
Lightvalve | 235:bfdf0f479a38 | 122 | hadc3.Init.ExternalTrigConv = ADC_SOFTWARE_START; |
Lightvalve | 235:bfdf0f479a38 | 123 | hadc3.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
Lightvalve | 235:bfdf0f479a38 | 124 | hadc3.Init.NbrOfConversion = 1; |
Lightvalve | 235:bfdf0f479a38 | 125 | hadc3.Init.DMAContinuousRequests = DISABLE; |
Lightvalve | 235:bfdf0f479a38 | 126 | hadc3.Init.EOCSelection = ADC_EOC_SEQ_CONV; |
Lightvalve | 235:bfdf0f479a38 | 127 | if (HAL_ADC_Init(&hadc3) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 128 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 129 | } |
Lightvalve | 235:bfdf0f479a38 | 130 | sConfig.Channel = ADC_CHANNEL_1; |
Lightvalve | 235:bfdf0f479a38 | 131 | sConfig.Rank = 1; |
Lightvalve | 235:bfdf0f479a38 | 132 | sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; |
Lightvalve | 235:bfdf0f479a38 | 133 | if (HAL_ADC_ConfigChannel(&hadc3, &sConfig) != HAL_OK) { |
Lightvalve | 232:e9c5ec04e378 | 134 | // Error_Handler(); |
Lightvalve | 235:bfdf0f479a38 | 135 | } |
Lightvalve | 235:bfdf0f479a38 | 136 | hadc3.Instance->CR2 |= ADC_CR2_ADON; |
Lightvalve | 232:e9c5ec04e378 | 137 | } |
GiJeongKim | 0:51c43836c1d7 | 138 | |
Lightvalve | 11:82d8768d7351 | 139 | |
Lightvalve | 231:30896263bd8b | 140 | void Init_TMR3() |
Lightvalve | 231:30896263bd8b | 141 | { |
Lightvalve | 11:82d8768d7351 | 142 | RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; // enable TIM3 clock |
Lightvalve | 228:fb5b57e3f157 | 143 | NVIC_EnableIRQ(TIM3_IRQn); //Enable TIM3 IRQ |
Lightvalve | 11:82d8768d7351 | 144 | |
Lightvalve | 11:82d8768d7351 | 145 | TIM3->DIER |= TIM_DIER_UIE; // enable update interrupt |
Lightvalve | 231:30896263bd8b | 146 | TIM3->CR1 = 0x40; // CMS = 10, interrupt only when counting up // Center-aligned mode |
Lightvalve | 11:82d8768d7351 | 147 | TIM3->CR1 |= TIM_CR1_UDIS; |
Lightvalve | 231:30896263bd8b | 148 | TIM3->RCR |= 0x001; // update event once per up/down count of TIM3 |
Lightvalve | 11:82d8768d7351 | 149 | TIM3->EGR |= TIM_EGR_UG; |
Lightvalve | 11:82d8768d7351 | 150 | |
Lightvalve | 231:30896263bd8b | 151 | TIM3->PSC = 0x00; // no prescaler, timer counts up in sync with the peripheral clock |
Lightvalve | 228:fb5b57e3f157 | 152 | TIM3->ARR = TMR3_COUNT-1; // set auto reload, 5 khz |
Lightvalve | 235:bfdf0f479a38 | 153 | TIM3->CNT = 0; |
Lightvalve | 235:bfdf0f479a38 | 154 | TIM3->SR = 0; |
Lightvalve | 11:82d8768d7351 | 155 | TIM3->CCER |= ~(TIM_CCER_CC1NP); // Interupt when low side is on. |
Lightvalve | 11:82d8768d7351 | 156 | TIM3->CR1 |= TIM_CR1_CEN; // enable TIM4 |
Lightvalve | 20:806196fda269 | 157 | } |
Lightvalve | 20:806196fda269 | 158 | |
Lightvalve | 231:30896263bd8b | 159 | void Init_TMR2() |
Lightvalve | 231:30896263bd8b | 160 | { |
Lightvalve | 228:fb5b57e3f157 | 161 | RCC->APB1ENR |= RCC_APB1ENR_TIM2EN; // enable TIM2 clock |
Lightvalve | 231:30896263bd8b | 162 | |
Lightvalve | 231:30896263bd8b | 163 | //ISR Setup |
Lightvalve | 228:fb5b57e3f157 | 164 | NVIC_EnableIRQ(TIM2_IRQn); //Enable TIM2 IRQ |
Lightvalve | 20:806196fda269 | 165 | |
Lightvalve | 23:59218d4a256d | 166 | TIM2->DIER |= TIM_DIER_UIE; // enable update interrupt |
Lightvalve | 23:59218d4a256d | 167 | TIM2->CR1 = 0x40; // CMS = 10, interrupt only when counting up // Center-aligned mode |
Lightvalve | 23:59218d4a256d | 168 | TIM2->CR1 |= TIM_CR1_UDIS; |
Lightvalve | 231:30896263bd8b | 169 | TIM2->RCR |= 0x001; // update event once per up/down count of TIM2 |
Lightvalve | 23:59218d4a256d | 170 | TIM2->EGR |= TIM_EGR_UG; |
Lightvalve | 20:806196fda269 | 171 | |
Lightvalve | 228:fb5b57e3f157 | 172 | TIM2->PSC = 0x00; // no prescaler, timer counts up in sync with the peripheral clock |
Lightvalve | 228:fb5b57e3f157 | 173 | TIM2->ARR = TMR2_COUNT-1; // set auto reload, 5 khz |
Lightvalve | 235:bfdf0f479a38 | 174 | TIM2->CNT = 0; |
Lightvalve | 235:bfdf0f479a38 | 175 | TIM2->SR = 0; |
Lightvalve | 228:fb5b57e3f157 | 176 | TIM2->CR1 |= TIM_CR1_CEN; // enable TIM2 |
Lightvalve | 228:fb5b57e3f157 | 177 | } |
Lightvalve | 228:fb5b57e3f157 | 178 | |
Lightvalve | 235:bfdf0f479a38 | 179 | |
Lightvalve | 231:30896263bd8b | 180 | void Init_TMR1() |
Lightvalve | 231:30896263bd8b | 181 | { |
Lightvalve | 231:30896263bd8b | 182 | RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; // enable TIM1 clock |
Lightvalve | 235:bfdf0f479a38 | 183 | |
Lightvalve | 232:e9c5ec04e378 | 184 | FastPWM pwm_H1(PIN_H1); |
Lightvalve | 232:e9c5ec04e378 | 185 | FastPWM pwm_L1(PIN_L1); |
Lightvalve | 232:e9c5ec04e378 | 186 | FastPWM pwm_H2(PIN_H2); |
Lightvalve | 232:e9c5ec04e378 | 187 | FastPWM pwm_L2(PIN_L2); |
Lightvalve | 231:30896263bd8b | 188 | |
Lightvalve | 235:bfdf0f479a38 | 189 | |
Lightvalve | 235:bfdf0f479a38 | 190 | TIM1->CR2 |= 0x20; //MMS = 010 |
Lightvalve | 235:bfdf0f479a38 | 191 | |
Lightvalve | 235:bfdf0f479a38 | 192 | |
Lightvalve | 231:30896263bd8b | 193 | TIM1->DIER |= TIM_DIER_UIE; // enable update interrupt |
Lightvalve | 231:30896263bd8b | 194 | TIM1->CR1 = 0x40; // CMS = 10, interrupt only when counting up // Center-aligned mode |
Lightvalve | 235:bfdf0f479a38 | 195 | // TIM1->CR1 = 0x10; // CMS = 10, interrupt only when counting up // Center-aligned mode |
Lightvalve | 231:30896263bd8b | 196 | TIM1->CR1 |= TIM_CR1_UDIS; |
Lightvalve | 231:30896263bd8b | 197 | TIM1->CR1 |= TIM_CR1_ARPE; // autoreload on, |
Lightvalve | 235:bfdf0f479a38 | 198 | TIM1->RCR |= 0x001; // update event once per up/down count of TIM1 |
Lightvalve | 231:30896263bd8b | 199 | TIM1->EGR |= TIM_EGR_UG; |
Lightvalve | 231:30896263bd8b | 200 | |
Lightvalve | 232:e9c5ec04e378 | 201 | TIM1->CCMR1 |= 0x60; //CH1 - PWM mode 1 |
Lightvalve | 232:e9c5ec04e378 | 202 | TIM1->CCMR1 |= 0x6000; //CH2 - PWM mode 1 |
Lightvalve | 231:30896263bd8b | 203 | |
Lightvalve | 235:bfdf0f479a38 | 204 | TIM1->PSC = 0x0; // no prescaler, timer counts up in sync with the peripheral clock |
Lightvalve | 232:e9c5ec04e378 | 205 | TIM1->ARR = TMR1_COUNT-1; // set auto reload, 20 khz |
Lightvalve | 235:bfdf0f479a38 | 206 | TIM1->CNT = 0; |
Lightvalve | 235:bfdf0f479a38 | 207 | TIM1->SR = 0; |
Lightvalve | 231:30896263bd8b | 208 | TIM1->CCER |= 0x05; // CC1E = 1, CC1P = 0, CC1NE = 1, CC1NP = 0 |
Lightvalve | 232:e9c5ec04e378 | 209 | TIM1->CCER |= 0x50; // CC2E = 1, CC2P = 0, CC2NE = 1, CC2NP = 0 |
Lightvalve | 235:bfdf0f479a38 | 210 | |
Lightvalve | 231:30896263bd8b | 211 | TIM1->BDTR |= 0x8000; // MOE = 1; |
Lightvalve | 238:91d3ec3a087e | 212 | // TIM1->BDTR |= 0x7F; // Dead-time |
Lightvalve | 238:91d3ec3a087e | 213 | TIM1->BDTR |= 0x05; |
Lightvalve | 232:e9c5ec04e378 | 214 | TIM1->CR1 |= TIM_CR1_CEN; // enable TIM1 |
Lightvalve | 235:bfdf0f479a38 | 215 | } |
Lightvalve | 235:bfdf0f479a38 | 216 | |
Lightvalve | 235:bfdf0f479a38 | 217 | void Init_TIM4() |
Lightvalve | 235:bfdf0f479a38 | 218 | { |
Lightvalve | 235:bfdf0f479a38 | 219 | RCC->APB1ENR |= RCC_APB1ENR_TIM4EN; // enable TIM4 clock |
Lightvalve | 235:bfdf0f479a38 | 220 | |
Lightvalve | 235:bfdf0f479a38 | 221 | NVIC_EnableIRQ(TIM4_IRQn); //Enable TIM4 IRQ |
Lightvalve | 235:bfdf0f479a38 | 222 | |
Lightvalve | 235:bfdf0f479a38 | 223 | TIM4->DIER |= TIM_DIER_UIE; // enable update interrupt |
Lightvalve | 235:bfdf0f479a38 | 224 | TIM4->CR1 = 0x10; |
Lightvalve | 235:bfdf0f479a38 | 225 | TIM4->CR1 |= TIM_CR1_UDIS; |
Lightvalve | 235:bfdf0f479a38 | 226 | TIM4->EGR |= TIM_EGR_UG; |
Lightvalve | 235:bfdf0f479a38 | 227 | |
Lightvalve | 237:f69cd0553be0 | 228 | TIM4->PSC = 10-1; // 10 prescaler, timer counts up in sync with the peripheral clock |
Lightvalve | 235:bfdf0f479a38 | 229 | TIM4->ARR = 1; |
Lightvalve | 235:bfdf0f479a38 | 230 | TIM4->CNT = 0; |
Lightvalve | 235:bfdf0f479a38 | 231 | TIM4->SR = 0; |
Lightvalve | 235:bfdf0f479a38 | 232 | TIM4->SMCR = 0x07; //External clock mode |
Lightvalve | 235:bfdf0f479a38 | 233 | TIM4->CR1 |= TIM_CR1_CEN; // enable TIM4 |
Lightvalve | 231:30896263bd8b | 234 | } |