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| Rev | Author | Line No. | Line |
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| 38 | mjames | 1 | /* USER CODE BEGIN Header */ |
| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file : main.c |
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| 5 | * @brief : Main program body |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * <h2><center>© Copyright (c) 2021 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | /* USER CODE END Header */ |
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| 20 | /* Includes ------------------------------------------------------------------*/ |
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| 21 | #include "main.h" |
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| 22 | |||
| 23 | /* Private includes ----------------------------------------------------------*/ |
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| 24 | /* USER CODE BEGIN Includes */ |
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| 25 | #include "libSerial/serial.h" |
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| 26 | #include "libPLX/plx.h" |
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| 27 | #include "misc.h" |
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| 28 | |||
| 29 | /* USER CODE END Includes */ |
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| 30 | |||
| 31 | /* Private typedef -----------------------------------------------------------*/ |
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| 32 | /* USER CODE BEGIN PTD */ |
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| 33 | |||
| 34 | /* USER CODE END PTD */ |
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| 35 | |||
| 36 | /* Private define ------------------------------------------------------------*/ |
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| 37 | /* USER CODE BEGIN PD */ |
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| 38 | /* USER CODE END PD */ |
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| 39 | |||
| 40 | /* Private macro -------------------------------------------------------------*/ |
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| 41 | /* USER CODE BEGIN PM */ |
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| 42 | #define ADC_CHANNELS 7 |
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| 43 | |||
| 39 | mjames | 44 | #define ADC_MAP_CHAN 2 |
| 45 | |||
| 46 | #define ADC_PRESSURE_CHAN 3 |
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| 47 | |||
| 48 | #define ADC_REF_CHAN 5 |
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| 49 | |||
| 50 | #define ADC_TEMP_CHAN 6 |
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| 51 | |||
| 38 | mjames | 52 | // with a dwell angle of 45 degrees , 4 cylinders and a maximum RPM of 5000 |
| 53 | // freq = 5000/60 * 2 = 166Hz. |
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| 54 | // the TIM2 counter counts in 10uS increments, |
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| 46 | mjames | 55 | // Need to accumulate low level for a 400th of a second before accepting it as a pulse |
| 56 | #define ACCUM_MAX (RPM_COUNT_RATE / 500) |
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| 38 | mjames | 57 | |
| 58 | #define RPM_AVERAGE 4 |
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| 59 | |||
| 60 | // wait for about 1 second to decide whether or not starter is on |
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| 61 | |||
| 62 | #define STARTER_LIMIT 10 |
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| 63 | |||
| 64 | /* USER CODE END PM */ |
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| 65 | |||
| 66 | /* Private variables ---------------------------------------------------------*/ |
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| 46 | mjames | 67 | ADC_HandleTypeDef hadc1; |
| 38 | mjames | 68 | DMA_HandleTypeDef hdma_adc1; |
| 69 | |||
| 70 | CAN_HandleTypeDef hcan; |
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| 71 | |||
| 72 | SPI_HandleTypeDef hspi1; |
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| 73 | |||
| 74 | TIM_HandleTypeDef htim2; |
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| 75 | TIM_HandleTypeDef htim3; |
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| 76 | TIM_HandleTypeDef htim4; |
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| 77 | |||
| 78 | UART_HandleTypeDef huart1; |
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| 79 | |||
| 80 | /* USER CODE BEGIN PV */ |
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| 81 | |||
| 82 | volatile char TimerFlag = 0; |
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| 83 | |||
| 84 | volatile char NoSerialInCTR = 0; // Missing characters coming in on USART1 |
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| 85 | volatile char NoSerialIn = 0; |
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| 86 | |||
| 39 | mjames | 87 | // scale for filtered samples |
| 88 | #define Scale 1024.0 |
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| 89 | |||
| 38 | mjames | 90 | // storage for ADC |
| 45 | mjames | 91 | uint16_t ADC_Samples[ADC_CHANNELS] = {[0 ... ADC_CHANNELS - 1] = 0}; |
| 38 | mjames | 92 | |
| 45 | mjames | 93 | uint32_t FILT_Samples[ADC_CHANNELS] = {[0 ... ADC_CHANNELS - 1] = 0}; // filtered ADC samples * Scale |
| 38 | mjames | 94 | |
| 39 | mjames | 95 | #define NOM_VREF 3.3 |
| 96 | // initial ADC vref |
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| 45 | mjames | 97 | float adc_vref = NOM_VREF; |
| 39 | mjames | 98 | |
| 99 | // internal bandgap voltage reference |
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| 45 | mjames | 100 | const float STM32REF = 1.2; // 1.2V typical |
| 39 | mjames | 101 | |
| 102 | // scale factor initially assuming |
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| 45 | mjames | 103 | float ADC_Scale = 1 / (Scale * 4096) * NOM_VREF; |
| 39 | mjames | 104 | |
| 38 | mjames | 105 | // Rev counter processing from original RevCounter Project |
| 106 | uint16_t RPM_Diff = 0; |
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| 107 | uint16_t RPM_Count_Latch = 0; |
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| 108 | // accumulators |
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| 109 | uint16_t RPM_Pulsecount = 0; |
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| 110 | unsigned int RPM_FilteredWidth = 0; |
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| 111 | |||
| 112 | // last time we detected end of dwell i.e. ignition pulse |
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| 113 | uint16_t last_dwell_end = 0; |
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| 114 | uint16_t RPM_Period[RPM_AVERAGE]; |
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| 115 | unsigned int RPM_Period_Ptr = 0; |
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| 116 | |||
| 117 | unsigned int Coded_RPM = 0; |
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| 118 | unsigned int Coded_CHT = 0; |
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| 119 | |||
| 42 | mjames | 120 | uint32_t PowerTempTimer; |
| 38 | mjames | 121 | |
| 122 | uint16_t Starter_Debounce = 0; |
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| 123 | |||
| 124 | /* USER CODE END PV */ |
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| 125 | |||
| 126 | /* Private function prototypes -----------------------------------------------*/ |
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| 127 | void SystemClock_Config(void); |
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| 128 | static void MX_GPIO_Init(void); |
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| 129 | static void MX_DMA_Init(void); |
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| 130 | static void MX_ADC1_Init(void); |
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| 131 | static void MX_CAN_Init(void); |
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| 132 | static void MX_SPI1_Init(void); |
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| 133 | static void MX_TIM2_Init(void); |
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| 134 | static void MX_TIM3_Init(void); |
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| 135 | static void MX_TIM4_Init(void); |
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| 136 | static void MX_USART1_UART_Init(void); |
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| 137 | /* USER CODE BEGIN PFP */ |
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| 138 | |||
| 139 | /* USER CODE END PFP */ |
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| 140 | |||
| 141 | /* Private user code ---------------------------------------------------------*/ |
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| 142 | /* USER CODE BEGIN 0 */ |
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| 143 | |||
| 45 | mjames | 144 | void plx_sendword(int x) |
| 38 | mjames | 145 | { |
| 45 | mjames | 146 | PutCharSerial(&uc1, ((x) >> 6) & 0x3F); |
| 147 | PutCharSerial(&uc1, (x)&0x3F); |
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| 38 | mjames | 148 | } |
| 149 | |||
| 45 | mjames | 150 | void filter_ADC_samples() |
| 38 | mjames | 151 | { |
| 152 | int i; |
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| 153 | for (i = 0; i < ADC_CHANNELS; i++) |
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| 45 | mjames | 154 | { |
| 155 | FILT_Samples[i] += (ADC_Samples[i] * Scale - FILT_Samples[i]) / 2; |
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| 156 | } |
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| 38 | mjames | 157 | } |
| 158 | |||
| 39 | mjames | 159 | /****! |
| 160 | * @brief this reads the reference voltage within the STM32L151 |
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| 161 | * Powers up reference voltage and temperature sensor, waits 3mS and takes reading |
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| 162 | * Requires that the ADC be powered up |
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| 163 | */ |
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| 164 | |||
| 45 | mjames | 165 | void CalibrateADC(void) |
| 39 | mjames | 166 | { |
| 45 | mjames | 167 | float adc_val = FILT_Samples[ADC_REF_CHAN]; // as set up in device config |
| 39 | mjames | 168 | |
| 45 | mjames | 169 | float adc_vref = STM32REF * (4096.0 * Scale) / adc_val; // the estimate for checking |
| 39 | mjames | 170 | |
| 45 | mjames | 171 | ADC_Scale = 1 / (Scale * 4096) * adc_vref; |
| 39 | mjames | 172 | } |
| 173 | |||
| 45 | mjames | 174 | void ProcessRPM(int instance) |
| 38 | mjames | 175 | { |
| 45 | mjames | 176 | // compute the timer values |
| 177 | // snapshot timers |
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| 178 | unsigned short RPM_Pulsewidth; |
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| 38 | mjames | 179 | // current RPM pulse next slot index |
| 41 | mjames | 180 | unsigned short RPM_Count_Val; |
| 46 | mjames | 181 | |
| 182 | // accumulator for pulse widths |
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| 183 | unsigned short RPM_Accumulator = ACCUM_MAX; |
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| 184 | // Next state of pulse high/low |
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| 185 | unsigned char RPM_State = 1; |
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| 186 | // Current state of pulse high/low |
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| 187 | unsigned char RPM_State_Curr = 1; |
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| 188 | |||
| 45 | mjames | 189 | __disable_irq(); // copy the counter value |
| 38 | mjames | 190 | RPM_Count_Val = RPM_Count; |
| 45 | mjames | 191 | __enable_irq(); |
| 192 | // do calculations |
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| 46 | mjames | 193 | |
| 45 | mjames | 194 | // if there is only one entry, cannot get difference |
| 38 | mjames | 195 | if (RPM_Count_Latch != RPM_Count_Val) |
| 45 | mjames | 196 | { |
| 197 | while (1) |
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| 38 | mjames | 198 | { |
| 45 | mjames | 199 | unsigned int base_time; |
| 200 | unsigned int new_time; |
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| 201 | // if we are at N-1, stop. |
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| 202 | unsigned int next_count = (RPM_Count_Latch + 1) % RPM_SAMPLES; |
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| 203 | if (next_count == RPM_Count_Val) |
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| 204 | { |
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| 205 | break; // completed loop |
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| 206 | } |
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| 207 | char pulse_level = RPM_Level[RPM_Count_Latch]; |
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| 208 | base_time = RPM_Time[RPM_Count_Latch]; |
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| 209 | new_time = RPM_Time[next_count]; |
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| 210 | RPM_Count_Latch = next_count; |
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| 38 | mjames | 211 | |
| 45 | mjames | 212 | RPM_Pulsewidth = new_time - base_time; // not wrapped |
| 46 | mjames | 213 | RPM_State_Curr = RPM_State; |
| 214 | // Count up/down |
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| 215 | if (pulse_level == 0) |
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| 216 | { |
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| 217 | int next = RPM_Accumulator - RPM_Pulsewidth; |
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| 218 | if (next < 0) // going to cross zero |
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| 219 | { |
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| 220 | RPM_State = 0; |
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| 221 | RPM_Accumulator = 0; |
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| 222 | } |
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| 223 | else |
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| 224 | { |
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| 225 | RPM_Accumulator = next; |
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| 226 | } |
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| 227 | } |
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| 228 | else |
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| 229 | { |
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| 230 | int next = RPM_Accumulator + RPM_Pulsewidth; |
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| 231 | if (next > ACCUM_MAX) |
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| 232 | { |
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| 233 | RPM_State = 1; |
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| 234 | RPM_Accumulator = ACCUM_MAX; |
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| 235 | } |
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| 236 | else |
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| 237 | { |
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| 238 | RPM_Accumulator = next; |
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| 239 | } |
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| 240 | } |
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| 38 | mjames | 241 | |
| 46 | mjames | 242 | // low pulse has reached at least minimum width, count it. |
| 243 | if ((RPM_State == 0) && (RPM_State_Curr = 1)) |
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| 45 | mjames | 244 | { |
| 245 | RPM_Diff = new_time - last_dwell_end; |
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| 38 | mjames | 246 | |
| 45 | mjames | 247 | RPM_Period[RPM_Period_Ptr] = RPM_Diff; |
| 248 | RPM_Period_Ptr = (RPM_Period_Ptr + 1) % RPM_AVERAGE; |
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| 249 | if (RPM_Pulsecount < RPM_AVERAGE) |
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| 250 | RPM_Pulsecount++; // count one pulse |
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| 251 | last_dwell_end = new_time; |
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| 252 | } |
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| 38 | mjames | 253 | } |
| 45 | mjames | 254 | } |
| 38 | mjames | 255 | |
| 256 | if (RPM_Pulsecount == RPM_AVERAGE) |
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| 45 | mjames | 257 | { |
| 258 | // now have time for N pulses in clocks |
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| 259 | // need to scale by 19.55: one unit is 19.55 RPM |
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| 260 | // 1Hz is 30 RPM |
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| 261 | int i; |
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| 262 | RPM_FilteredWidth = 0; |
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| 263 | for (i = 0; i < RPM_AVERAGE; i++) |
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| 264 | RPM_FilteredWidth += RPM_Period[i]; |
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| 38 | mjames | 265 | |
| 45 | mjames | 266 | Coded_RPM = (Scale * 30.0 * RPM_AVERAGE * RPM_COUNT_RATE) / (19.55 * RPM_FilteredWidth); |
| 38 | mjames | 267 | |
| 268 | #if !defined MY_DEBUG |
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| 45 | mjames | 269 | // reset here unless we want to debug |
| 270 | RPM_Pulsecount = 0; |
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| 271 | RPM_FilteredWidth = 0; |
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| 38 | mjames | 272 | #endif |
| 45 | mjames | 273 | } |
| 38 | mjames | 274 | |
| 45 | mjames | 275 | // send the current RPM *calculation |
| 276 | plx_sendword(PLX_RPM); |
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| 277 | PutCharSerial(&uc1, instance); |
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| 278 | plx_sendword(Coded_RPM / Scale); |
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| 38 | mjames | 279 | } |
| 280 | |||
| 281 | // this uses a MAX6675 which is a simple 16 bit read |
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| 282 | // SPI is configured for 8 bits so I can use an OLED display if I need it |
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| 283 | // must wait > 0.22 seconds between conversion attempts as this is the measurement time |
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| 284 | // |
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| 285 | |||
| 286 | FunctionalState CHT_Enable = ENABLE; |
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| 287 | |||
| 288 | #define CORR 3 |
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| 289 | |||
| 45 | mjames | 290 | uint16_t Temp_Observations[NUM_SPI_TEMP_SENS] = {[0 ... NUM_SPI_TEMP_SENS - 1] = 0}; |
| 38 | mjames | 291 | |
| 42 | mjames | 292 | /// \param item The array index to send |
| 293 | /// \param instance The instance to send over the bus |
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| 294 | /// \param type the code to use for this observation |
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| 45 | mjames | 295 | void ProcessTemp(char item, int instance, enum PLX_Observations type) |
| 38 | mjames | 296 | { |
| 42 | mjames | 297 | if (item > NUM_SPI_TEMP_SENS) |
| 298 | return; |
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| 45 | mjames | 299 | plx_sendword(type); |
| 300 | PutCharSerial(&uc1, instance); |
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| 301 | plx_sendword(Temp_Observations[(int)item]); |
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| 38 | mjames | 302 | } |
| 303 | |||
| 42 | mjames | 304 | /// \brief Reset the temperature chip select system |
| 305 | void resetTempCS(void) |
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| 306 | { |
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| 45 | mjames | 307 | HAL_GPIO_WritePin(SPI_CS_D_GPIO_Port, SPI_CS_D_Pin, GPIO_PIN_SET); |
| 308 | HAL_GPIO_WritePin(SPI_CS_Clk_GPIO_Port, SPI_CS_Clk_Pin, |
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| 309 | GPIO_PIN_SET); |
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| 42 | mjames | 310 | |
| 45 | mjames | 311 | for (int i = 0; i < 8; i++) |
| 312 | { |
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| 313 | HAL_GPIO_WritePin(SPI_CS_Clk_GPIO_Port, SPI_CS_Clk_Pin, |
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| 314 | GPIO_PIN_RESET); |
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| 315 | HAL_GPIO_WritePin(SPI_CS_Clk_GPIO_Port, SPI_CS_Clk_Pin, |
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| 316 | GPIO_PIN_SET); |
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| 317 | } |
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| 42 | mjames | 318 | |
| 45 | mjames | 319 | // prepare for selecting next pin |
| 320 | HAL_GPIO_WritePin(SPI_CS_D_GPIO_Port, SPI_CS_D_Pin, GPIO_PIN_RESET); |
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| 42 | mjames | 321 | } |
| 322 | |||
| 323 | void nextTempCS(void) |
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| 324 | { |
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| 45 | mjames | 325 | HAL_GPIO_WritePin(SPI_CS_Clk_GPIO_Port, SPI_CS_Clk_Pin, |
| 326 | GPIO_PIN_RESET); |
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| 327 | HAL_GPIO_WritePin(SPI_CS_Clk_GPIO_Port, SPI_CS_Clk_Pin, |
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| 328 | GPIO_PIN_SET); |
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| 329 | HAL_GPIO_WritePin(SPI_CS_D_GPIO_Port, SPI_CS_D_Pin, GPIO_PIN_SET); |
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| 42 | mjames | 330 | } |
| 331 | |||
| 45 | mjames | 332 | void EnableTempSensors(FunctionalState state) |
| 38 | mjames | 333 | |
| 334 | { |
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| 335 | GPIO_InitTypeDef GPIO_InitStruct; |
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| 336 | |||
| 337 | CHT_Enable = state; |
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| 338 | |||
| 339 | /* enable SPI in live mode : assume it and its GPIOs are already initialised in SPI mode */ |
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| 340 | if (state == ENABLE) |
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| 45 | mjames | 341 | { |
| 342 | HAL_GPIO_WritePin(ENA_AUX_5V_GPIO_Port, ENA_AUX_5V_Pin, GPIO_PIN_SET); |
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| 38 | mjames | 343 | |
| 45 | mjames | 344 | resetTempCS(); |
| 42 | mjames | 345 | |
| 45 | mjames | 346 | /* put the SPI pins back into SPI AF mode */ |
| 347 | GPIO_InitStruct.Pin = SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin; |
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| 348 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
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| 349 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 350 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; |
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| 351 | HAL_GPIO_Init(SPI1_SCK_GPIO_Port, &GPIO_InitStruct); |
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| 352 | } |
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| 38 | mjames | 353 | else |
| 45 | mjames | 354 | { |
| 355 | /* Power down the SPI interface taking signals all low */ |
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| 356 | HAL_GPIO_WritePin(ENA_AUX_5V_GPIO_Port, ENA_AUX_5V_Pin, GPIO_PIN_RESET); |
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| 38 | mjames | 357 | |
| 45 | mjames | 358 | HAL_GPIO_WritePin(SPI1_SCK_GPIO_Port, |
| 359 | SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin, |
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| 360 | GPIO_PIN_RESET); |
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| 38 | mjames | 361 | |
| 45 | mjames | 362 | /* put the SPI pins back into GPIO mode */ |
| 363 | GPIO_InitStruct.Pin = SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin; |
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| 364 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 365 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 366 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; |
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| 367 | HAL_GPIO_Init(SPI1_SCK_GPIO_Port, &GPIO_InitStruct); |
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| 368 | } |
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| 38 | mjames | 369 | } |
| 370 | |||
| 371 | // 1023 is 20.00 volts. |
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| 45 | mjames | 372 | void ProcessBatteryVoltage(int instance) |
| 38 | mjames | 373 | { |
| 374 | float reading = FILT_Samples[instance] * ADC_Scale; |
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| 375 | reading = reading * 7.8125; // real voltage |
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| 45 | mjames | 376 | reading = reading * 51.15; // PLC scaling = 1023/20 |
| 38 | mjames | 377 | |
| 45 | mjames | 378 | plx_sendword(PLX_Volts); |
| 379 | PutCharSerial(&uc1, instance); |
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| 380 | plx_sendword((uint16_t)reading); |
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| 38 | mjames | 381 | } |
| 382 | |||
| 45 | mjames | 383 | void ProcessCPUTemperature(int instance) |
| 38 | mjames | 384 | { |
| 45 | mjames | 385 | // this is defined in the STM32F103 reference manual . # |
| 39 | mjames | 386 | // V25 = 1.43 volts |
| 387 | // Avg_slope = 4.3mV /degree C |
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| 388 | // temperature = {(V25 - VSENSE) / Avg_Slope} + 25 |
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| 38 | mjames | 389 | |
| 390 | /* get the ADC reading corresponding to ADC channel 16 after turning on the ADC */ |
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| 391 | |||
| 39 | mjames | 392 | float temp_val = FILT_Samples[ADC_TEMP_CHAN] * ADC_Scale; |
| 38 | mjames | 393 | /* renormalise temperature value to account for different ADC Vref : normalise to that which we would get for a 3000mV reference */ |
| 45 | mjames | 394 | temp_val = (1.43 - temp_val) / 4.3e-3 + 25; |
| 38 | mjames | 395 | |
| 45 | mjames | 396 | int32_t result = temp_val; |
| 38 | mjames | 397 | |
| 45 | mjames | 398 | // int32_t result = 800 * ((int32_t) temp_val - TS_CAL30); |
| 399 | // result = result / (TS_CAL110 - TS_CAL30) + 300; |
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| 39 | mjames | 400 | |
| 45 | mjames | 401 | plx_sendword(PLX_FluidTemp); |
| 402 | PutCharSerial(&uc1, instance); |
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| 403 | plx_sendword(result); |
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| 38 | mjames | 404 | } |
| 405 | |||
| 406 | // the MAP sensor is giving us a reading of |
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| 407 | // 4.6 volts for 1019mB or 2.27 volts at the ADC input (resistive divider by 2.016) |
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| 408 | // I believe the sensor reads 4.5V at 1000kPa and 0.5V at 0kPa |
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| 409 | // Calibration is a bit off |
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| 410 | // Real Displayed |
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| 411 | // 989 968 |
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| 412 | // 994.1 986 |
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| 413 | // 992.3 984 |
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| 414 | |||
| 45 | mjames | 415 | void ProcessMAP(int instance) |
| 38 | mjames | 416 | { |
| 45 | mjames | 417 | // Using ADC_Samples[3] as the MAP input |
| 39 | mjames | 418 | float reading = FILT_Samples[ADC_MAP_CHAN] * ADC_Scale; |
| 45 | mjames | 419 | reading = reading * 2.016; // real voltage |
| 38 | mjames | 420 | // values computed from slope / intercept of map.ods |
| 45 | mjames | 421 | // reading = (reading) * 56.23 + 743.2; // do not assume 0.5 volt offset : reading from 0 to 4.5 instead of 0.5 to 4.5 |
| 38 | mjames | 422 | // using a pressure gauge. |
| 45 | mjames | 423 | reading = (reading)*150 + 326; |
| 38 | mjames | 424 | |
| 45 | mjames | 425 | plx_sendword(PLX_MAP); |
| 426 | PutCharSerial(&uc1, instance); |
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| 427 | plx_sendword((uint16_t)reading); |
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| 38 | mjames | 428 | } |
| 429 | |||
| 430 | // the Oil pressi sensor is giving us a reading of |
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| 431 | // 4.5 volts for 100 PSI or 2.25 volts at the ADC input (resistive divider by 2.016) |
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| 432 | // I believe the sensor reads 4.5V at 100PSI and 0.5V at 0PSI |
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| 433 | // an observation of 1024 is 200PSI, so observation of 512 is 100 PSI. |
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| 434 | |||
| 45 | mjames | 435 | void ProcessOilPress(int instance) |
| 38 | mjames | 436 | { |
| 45 | mjames | 437 | // Using ADC_Samples[2] as the MAP input |
| 39 | mjames | 438 | float reading = FILT_Samples[ADC_PRESSURE_CHAN] * ADC_Scale; |
| 45 | mjames | 439 | reading = reading * 2.00; // real voltage |
| 440 | reading = (reading - 0.5) * 512 / 4; // this is 1023 * 100/200 |
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| 38 | mjames | 441 | |
| 45 | mjames | 442 | plx_sendword(PLX_FluidPressure); |
| 443 | PutCharSerial(&uc1, instance); |
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| 444 | plx_sendword((uint16_t)reading); |
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| 38 | mjames | 445 | } |
| 446 | |||
| 45 | mjames | 447 | void ProcessTiming(int instance) |
| 38 | mjames | 448 | { |
| 45 | mjames | 449 | plx_sendword(PLX_Timing); |
| 450 | PutCharSerial(&uc1, instance); |
||
| 451 | plx_sendword(64 - 15); // make it negative |
||
| 38 | mjames | 452 | } |
| 453 | |||
| 454 | /* USER CODE END 0 */ |
||
| 455 | |||
| 456 | /** |
||
| 46 | mjames | 457 | * @brief The application entry point. |
| 458 | * @retval int |
||
| 459 | */ |
||
| 38 | mjames | 460 | int main(void) |
| 461 | { |
||
| 462 | /* USER CODE BEGIN 1 */ |
||
| 463 | |||
| 464 | /* USER CODE END 1 */ |
||
| 465 | |||
| 466 | /* MCU Configuration--------------------------------------------------------*/ |
||
| 467 | |||
| 468 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
||
| 469 | HAL_Init(); |
||
| 470 | |||
| 471 | /* USER CODE BEGIN Init */ |
||
| 472 | |||
| 473 | /* USER CODE END Init */ |
||
| 474 | |||
| 475 | /* Configure the system clock */ |
||
| 476 | SystemClock_Config(); |
||
| 477 | |||
| 478 | /* USER CODE BEGIN SysInit */ |
||
| 479 | |||
| 480 | /* USER CODE END SysInit */ |
||
| 481 | |||
| 482 | /* Initialize all configured peripherals */ |
||
| 483 | MX_GPIO_Init(); |
||
| 484 | MX_DMA_Init(); |
||
| 485 | MX_ADC1_Init(); |
||
| 486 | MX_CAN_Init(); |
||
| 487 | MX_SPI1_Init(); |
||
| 488 | MX_TIM2_Init(); |
||
| 489 | MX_TIM3_Init(); |
||
| 490 | MX_TIM4_Init(); |
||
| 491 | MX_USART1_UART_Init(); |
||
| 492 | /* USER CODE BEGIN 2 */ |
||
| 45 | mjames | 493 | HAL_MspInit(); |
| 38 | mjames | 494 | |
| 495 | // Not using HAL USART code |
||
| 45 | mjames | 496 | __HAL_RCC_USART1_CLK_ENABLE(); // PLX comms port |
| 38 | mjames | 497 | /* setup the USART control blocks */ |
| 45 | mjames | 498 | init_usart_ctl(&uc1, &huart1); |
| 38 | mjames | 499 | |
| 45 | mjames | 500 | EnableSerialRxInterrupt(&uc1); |
| 38 | mjames | 501 | |
| 45 | mjames | 502 | HAL_SPI_MspInit(&hspi1); |
| 38 | mjames | 503 | |
| 45 | mjames | 504 | HAL_ADC_MspInit(&hadc1); |
| 38 | mjames | 505 | |
| 45 | mjames | 506 | HAL_ADC_Start_DMA(&hadc1, (uint32_t *)ADC_Samples, ADC_CHANNELS); |
| 38 | mjames | 507 | |
| 45 | mjames | 508 | HAL_ADC_Start_IT(&hadc1); |
| 38 | mjames | 509 | |
| 45 | mjames | 510 | HAL_TIM_Base_MspInit(&htim4); |
| 511 | HAL_TIM_Base_Start_IT(&htim4); |
||
| 38 | mjames | 512 | |
| 513 | // initialise all the STMCubeMX stuff |
||
| 45 | mjames | 514 | HAL_TIM_Base_MspInit(&htim2); |
| 38 | mjames | 515 | // Start the counter |
| 45 | mjames | 516 | HAL_TIM_Base_Start(&htim2); |
| 41 | mjames | 517 | // Start the input capture and the rising edge interrupt |
| 45 | mjames | 518 | HAL_TIM_IC_Start_IT(&htim2, TIM_CHANNEL_1); |
| 41 | mjames | 519 | // Start the input capture and the falling edge interrupt |
| 45 | mjames | 520 | HAL_TIM_IC_Start_IT(&htim2, TIM_CHANNEL_2); |
| 38 | mjames | 521 | |
| 45 | mjames | 522 | HAL_TIM_Base_MspInit(&htim3); |
| 38 | mjames | 523 | __HAL_TIM_ENABLE_IT(&htim3, TIM_IT_UPDATE); |
| 45 | mjames | 524 | uint32_t Ticks = HAL_GetTick() + 100; |
| 38 | mjames | 525 | int CalCounter = 0; |
| 526 | |||
| 45 | mjames | 527 | PowerTempTimer = HAL_GetTick() + 1000; /* wait 10 seconds before powering up the CHT sensor */ |
| 38 | mjames | 528 | |
| 45 | mjames | 529 | ResetRxBuffer(&uc1); |
| 38 | mjames | 530 | /* USER CODE END 2 */ |
| 531 | |||
| 532 | /* Infinite loop */ |
||
| 533 | /* USER CODE BEGIN WHILE */ |
||
| 534 | while (1) |
||
| 45 | mjames | 535 | { |
| 38 | mjames | 536 | /* USER CODE END WHILE */ |
| 537 | |||
| 538 | /* USER CODE BEGIN 3 */ |
||
| 539 | |||
| 45 | mjames | 540 | if (HAL_GetTick() > Ticks) |
| 541 | { |
||
| 542 | Ticks += 100; |
||
| 543 | filter_ADC_samples(); |
||
| 544 | // delay to calibrate ADC |
||
| 545 | if (CalCounter < 1000) |
||
| 546 | { |
||
| 547 | CalCounter += 100; |
||
| 548 | } |
||
| 38 | mjames | 549 | |
| 45 | mjames | 550 | if (CalCounter == 900) |
| 551 | { |
||
| 552 | CalibrateADC(); |
||
| 553 | } |
||
| 554 | } |
||
| 555 | /* when the starter motor is on then power down the CHT sensors as they seem to fail */ |
||
| 38 | mjames | 556 | |
| 45 | mjames | 557 | if (HAL_GPIO_ReadPin(STARTER_ON_GPIO_Port, STARTER_ON_Pin) == GPIO_PIN_RESET) |
| 558 | { |
||
| 559 | if (Starter_Debounce < STARTER_LIMIT) |
||
| 560 | { |
||
| 561 | Starter_Debounce++; |
||
| 562 | } |
||
| 563 | } |
||
| 564 | else |
||
| 565 | { |
||
| 566 | if (Starter_Debounce > 0) |
||
| 567 | { |
||
| 568 | Starter_Debounce--; |
||
| 569 | } |
||
| 570 | } |
||
| 38 | mjames | 571 | |
| 45 | mjames | 572 | if (Starter_Debounce == STARTER_LIMIT) |
| 573 | { |
||
| 574 | EnableTempSensors(DISABLE); |
||
| 575 | PowerTempTimer = HAL_GetTick() + 1000; |
||
| 576 | } |
||
| 577 | else |
||
| 578 | /* if the PowerTempTimer is set then wait for it to timeout, then power up CHT */ |
||
| 579 | { |
||
| 580 | if ((PowerTempTimer > 0) && (HAL_GetTick() > PowerTempTimer)) |
||
| 581 | { |
||
| 582 | EnableTempSensors(ENABLE); |
||
| 583 | PowerTempTimer = 0; |
||
| 584 | } |
||
| 585 | } |
||
| 38 | mjames | 586 | |
| 45 | mjames | 587 | // check to see if we have any incoming data, copy and append if so, if no data then create our own frames. |
| 588 | int c; |
||
| 589 | char send = 0; |
||
| 38 | mjames | 590 | |
| 45 | mjames | 591 | // poll the input for a stop bit or timeout |
| 592 | if (PollSerial(&uc1)) |
||
| 593 | { |
||
| 594 | resetSerialTimeout(); |
||
| 595 | c = GetCharSerial(&uc1); |
||
| 596 | if (c != PLX_Stop) |
||
| 597 | { |
||
| 598 | PutCharSerial(&uc1, c); // echo all but the stop bit |
||
| 599 | } |
||
| 600 | else |
||
| 601 | { // must be a stop character |
||
| 602 | send = 1; // start our sending process. |
||
| 603 | } |
||
| 604 | } |
||
| 38 | mjames | 605 | |
| 45 | mjames | 606 | // sort out auto-sending |
| 607 | if (TimerFlag) |
||
| 608 | { |
||
| 609 | TimerFlag = 0; |
||
| 610 | if (NoSerialIn) |
||
| 611 | { |
||
| 612 | PutCharSerial(&uc1, PLX_Start); |
||
| 613 | send = 1; |
||
| 614 | } |
||
| 615 | } |
||
| 616 | if (send) |
||
| 617 | { |
||
| 618 | send = 0; |
||
| 38 | mjames | 619 | |
| 45 | mjames | 620 | // send the observations |
| 621 | ProcessRPM(0); |
||
| 622 | ProcessTemp(0, 0, PLX_X_CHT); |
||
| 623 | ProcessTemp(1, 1, PLX_X_CHT); |
||
| 624 | ProcessTemp(2, 0, PLX_AIT); |
||
| 625 | ProcessTemp(3, 1, PLX_AIT); |
||
| 626 | ProcessBatteryVoltage(0); // Batt 1 |
||
| 627 | ProcessBatteryVoltage(1); // Batt 2 |
||
| 628 | ProcessCPUTemperature(0); // built in temperature sensor |
||
| 38 | mjames | 629 | |
| 45 | mjames | 630 | ProcessMAP(0); |
| 631 | ProcessOilPress(0); |
||
| 38 | mjames | 632 | |
| 45 | mjames | 633 | PutCharSerial(&uc1, PLX_Stop); |
| 38 | mjames | 634 | } |
| 45 | mjames | 635 | } |
| 38 | mjames | 636 | |
| 637 | /* USER CODE END 3 */ |
||
| 638 | } |
||
| 639 | |||
| 640 | /** |
||
| 46 | mjames | 641 | * @brief System Clock Configuration |
| 642 | * @retval None |
||
| 643 | */ |
||
| 38 | mjames | 644 | void SystemClock_Config(void) |
| 645 | { |
||
| 646 | RCC_OscInitTypeDef RCC_OscInitStruct = {0}; |
||
| 647 | RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; |
||
| 648 | RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; |
||
| 649 | |||
| 650 | /** Initializes the RCC Oscillators according to the specified parameters |
||
| 46 | mjames | 651 | * in the RCC_OscInitTypeDef structure. |
| 652 | */ |
||
| 38 | mjames | 653 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
| 654 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
||
| 655 | RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; |
||
| 656 | RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
||
| 657 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
||
| 658 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
||
| 659 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; |
||
| 660 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
||
| 661 | { |
||
| 662 | Error_Handler(); |
||
| 663 | } |
||
| 45 | mjames | 664 | |
| 38 | mjames | 665 | /** Initializes the CPU, AHB and APB buses clocks |
| 46 | mjames | 666 | */ |
| 667 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2; |
||
| 38 | mjames | 668 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
| 669 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
||
| 670 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; |
||
| 671 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
||
| 672 | |||
| 673 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) |
||
| 674 | { |
||
| 675 | Error_Handler(); |
||
| 676 | } |
||
| 677 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC; |
||
| 678 | PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; |
||
| 679 | if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) |
||
| 680 | { |
||
| 681 | Error_Handler(); |
||
| 682 | } |
||
| 683 | } |
||
| 684 | |||
| 685 | /** |
||
| 46 | mjames | 686 | * @brief ADC1 Initialization Function |
| 687 | * @param None |
||
| 688 | * @retval None |
||
| 689 | */ |
||
| 38 | mjames | 690 | static void MX_ADC1_Init(void) |
| 691 | { |
||
| 692 | |||
| 693 | /* USER CODE BEGIN ADC1_Init 0 */ |
||
| 694 | |||
| 695 | /* USER CODE END ADC1_Init 0 */ |
||
| 696 | |||
| 697 | ADC_ChannelConfTypeDef sConfig = {0}; |
||
| 698 | |||
| 699 | /* USER CODE BEGIN ADC1_Init 1 */ |
||
| 700 | |||
| 701 | /* USER CODE END ADC1_Init 1 */ |
||
| 45 | mjames | 702 | |
| 38 | mjames | 703 | /** Common config |
| 46 | mjames | 704 | */ |
| 38 | mjames | 705 | hadc1.Instance = ADC1; |
| 706 | hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE; |
||
| 707 | hadc1.Init.ContinuousConvMode = DISABLE; |
||
| 708 | hadc1.Init.DiscontinuousConvMode = DISABLE; |
||
| 709 | hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T3_TRGO; |
||
| 710 | hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
||
| 711 | hadc1.Init.NbrOfConversion = 7; |
||
| 712 | if (HAL_ADC_Init(&hadc1) != HAL_OK) |
||
| 713 | { |
||
| 714 | Error_Handler(); |
||
| 715 | } |
||
| 45 | mjames | 716 | |
| 38 | mjames | 717 | /** Configure Regular Channel |
| 46 | mjames | 718 | */ |
| 38 | mjames | 719 | sConfig.Channel = ADC_CHANNEL_0; |
| 720 | sConfig.Rank = ADC_REGULAR_RANK_1; |
||
| 39 | mjames | 721 | sConfig.SamplingTime = ADC_SAMPLETIME_71CYCLES_5; |
| 38 | mjames | 722 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
| 723 | { |
||
| 724 | Error_Handler(); |
||
| 725 | } |
||
| 45 | mjames | 726 | |
| 38 | mjames | 727 | /** Configure Regular Channel |
| 46 | mjames | 728 | */ |
| 38 | mjames | 729 | sConfig.Channel = ADC_CHANNEL_1; |
| 730 | sConfig.Rank = ADC_REGULAR_RANK_2; |
||
| 731 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 732 | { |
||
| 733 | Error_Handler(); |
||
| 734 | } |
||
| 45 | mjames | 735 | |
| 38 | mjames | 736 | /** Configure Regular Channel |
| 46 | mjames | 737 | */ |
| 38 | mjames | 738 | sConfig.Channel = ADC_CHANNEL_2; |
| 739 | sConfig.Rank = ADC_REGULAR_RANK_3; |
||
| 740 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 741 | { |
||
| 742 | Error_Handler(); |
||
| 743 | } |
||
| 45 | mjames | 744 | |
| 38 | mjames | 745 | /** Configure Regular Channel |
| 46 | mjames | 746 | */ |
| 38 | mjames | 747 | sConfig.Channel = ADC_CHANNEL_3; |
| 748 | sConfig.Rank = ADC_REGULAR_RANK_4; |
||
| 749 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 750 | { |
||
| 751 | Error_Handler(); |
||
| 752 | } |
||
| 45 | mjames | 753 | |
| 38 | mjames | 754 | /** Configure Regular Channel |
| 46 | mjames | 755 | */ |
| 39 | mjames | 756 | sConfig.Channel = ADC_CHANNEL_4; |
| 38 | mjames | 757 | sConfig.Rank = ADC_REGULAR_RANK_5; |
| 758 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 759 | { |
||
| 760 | Error_Handler(); |
||
| 761 | } |
||
| 45 | mjames | 762 | |
| 38 | mjames | 763 | /** Configure Regular Channel |
| 46 | mjames | 764 | */ |
| 38 | mjames | 765 | sConfig.Channel = ADC_CHANNEL_VREFINT; |
| 766 | sConfig.Rank = ADC_REGULAR_RANK_6; |
||
| 767 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 768 | { |
||
| 769 | Error_Handler(); |
||
| 770 | } |
||
| 45 | mjames | 771 | |
| 38 | mjames | 772 | /** Configure Regular Channel |
| 46 | mjames | 773 | */ |
| 39 | mjames | 774 | sConfig.Channel = ADC_CHANNEL_TEMPSENSOR; |
| 38 | mjames | 775 | sConfig.Rank = ADC_REGULAR_RANK_7; |
| 776 | if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) |
||
| 777 | { |
||
| 778 | Error_Handler(); |
||
| 779 | } |
||
| 780 | /* USER CODE BEGIN ADC1_Init 2 */ |
||
| 781 | |||
| 782 | /* USER CODE END ADC1_Init 2 */ |
||
| 783 | } |
||
| 784 | |||
| 785 | /** |
||
| 46 | mjames | 786 | * @brief CAN Initialization Function |
| 787 | * @param None |
||
| 788 | * @retval None |
||
| 789 | */ |
||
| 38 | mjames | 790 | static void MX_CAN_Init(void) |
| 791 | { |
||
| 792 | |||
| 793 | /* USER CODE BEGIN CAN_Init 0 */ |
||
| 794 | |||
| 795 | /* USER CODE END CAN_Init 0 */ |
||
| 796 | |||
| 797 | /* USER CODE BEGIN CAN_Init 1 */ |
||
| 798 | |||
| 799 | /* USER CODE END CAN_Init 1 */ |
||
| 800 | hcan.Instance = CAN1; |
||
| 801 | hcan.Init.Prescaler = 16; |
||
| 802 | hcan.Init.Mode = CAN_MODE_NORMAL; |
||
| 803 | hcan.Init.SyncJumpWidth = CAN_SJW_1TQ; |
||
| 804 | hcan.Init.TimeSeg1 = CAN_BS1_1TQ; |
||
| 805 | hcan.Init.TimeSeg2 = CAN_BS2_1TQ; |
||
| 806 | hcan.Init.TimeTriggeredMode = DISABLE; |
||
| 807 | hcan.Init.AutoBusOff = DISABLE; |
||
| 808 | hcan.Init.AutoWakeUp = DISABLE; |
||
| 809 | hcan.Init.AutoRetransmission = DISABLE; |
||
| 810 | hcan.Init.ReceiveFifoLocked = DISABLE; |
||
| 811 | hcan.Init.TransmitFifoPriority = DISABLE; |
||
| 812 | if (HAL_CAN_Init(&hcan) != HAL_OK) |
||
| 813 | { |
||
| 814 | Error_Handler(); |
||
| 815 | } |
||
| 816 | /* USER CODE BEGIN CAN_Init 2 */ |
||
| 817 | |||
| 818 | /* USER CODE END CAN_Init 2 */ |
||
| 819 | } |
||
| 820 | |||
| 821 | /** |
||
| 46 | mjames | 822 | * @brief SPI1 Initialization Function |
| 823 | * @param None |
||
| 824 | * @retval None |
||
| 825 | */ |
||
| 38 | mjames | 826 | static void MX_SPI1_Init(void) |
| 827 | { |
||
| 828 | |||
| 829 | /* USER CODE BEGIN SPI1_Init 0 */ |
||
| 830 | |||
| 831 | /* USER CODE END SPI1_Init 0 */ |
||
| 832 | |||
| 833 | /* USER CODE BEGIN SPI1_Init 1 */ |
||
| 834 | |||
| 835 | /* USER CODE END SPI1_Init 1 */ |
||
| 836 | /* SPI1 parameter configuration*/ |
||
| 837 | hspi1.Instance = SPI1; |
||
| 838 | hspi1.Init.Mode = SPI_MODE_MASTER; |
||
| 839 | hspi1.Init.Direction = SPI_DIRECTION_2LINES; |
||
| 840 | hspi1.Init.DataSize = SPI_DATASIZE_8BIT; |
||
| 841 | hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; |
||
| 842 | hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; |
||
| 843 | hspi1.Init.NSS = SPI_NSS_SOFT; |
||
| 41 | mjames | 844 | hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32; |
| 38 | mjames | 845 | hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
| 846 | hspi1.Init.TIMode = SPI_TIMODE_DISABLE; |
||
| 847 | hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
||
| 848 | hspi1.Init.CRCPolynomial = 10; |
||
| 849 | if (HAL_SPI_Init(&hspi1) != HAL_OK) |
||
| 850 | { |
||
| 851 | Error_Handler(); |
||
| 852 | } |
||
| 853 | /* USER CODE BEGIN SPI1_Init 2 */ |
||
| 854 | |||
| 855 | /* USER CODE END SPI1_Init 2 */ |
||
| 856 | } |
||
| 857 | |||
| 858 | /** |
||
| 46 | mjames | 859 | * @brief TIM2 Initialization Function |
| 860 | * @param None |
||
| 861 | * @retval None |
||
| 862 | */ |
||
| 38 | mjames | 863 | static void MX_TIM2_Init(void) |
| 864 | { |
||
| 865 | |||
| 866 | /* USER CODE BEGIN TIM2_Init 0 */ |
||
| 867 | |||
| 868 | /* USER CODE END TIM2_Init 0 */ |
||
| 869 | |||
| 870 | TIM_ClockConfigTypeDef sClockSourceConfig = {0}; |
||
| 871 | TIM_MasterConfigTypeDef sMasterConfig = {0}; |
||
| 872 | TIM_IC_InitTypeDef sConfigIC = {0}; |
||
| 873 | |||
| 874 | /* USER CODE BEGIN TIM2_Init 1 */ |
||
| 875 | |||
| 876 | /* USER CODE END TIM2_Init 1 */ |
||
| 877 | htim2.Instance = TIM2; |
||
| 41 | mjames | 878 | htim2.Init.Prescaler = 719; |
| 38 | mjames | 879 | htim2.Init.CounterMode = TIM_COUNTERMODE_UP; |
| 880 | htim2.Init.Period = 65535; |
||
| 881 | htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
||
| 882 | htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; |
||
| 883 | if (HAL_TIM_Base_Init(&htim2) != HAL_OK) |
||
| 884 | { |
||
| 885 | Error_Handler(); |
||
| 886 | } |
||
| 887 | sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; |
||
| 888 | if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK) |
||
| 889 | { |
||
| 890 | Error_Handler(); |
||
| 891 | } |
||
| 892 | if (HAL_TIM_IC_Init(&htim2) != HAL_OK) |
||
| 893 | { |
||
| 894 | Error_Handler(); |
||
| 895 | } |
||
| 896 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; |
||
| 897 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
||
| 898 | if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK) |
||
| 899 | { |
||
| 900 | Error_Handler(); |
||
| 901 | } |
||
| 902 | sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING; |
||
| 903 | sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI; |
||
| 904 | sConfigIC.ICPrescaler = TIM_ICPSC_DIV1; |
||
| 905 | sConfigIC.ICFilter = 15; |
||
| 906 | if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK) |
||
| 907 | { |
||
| 908 | Error_Handler(); |
||
| 909 | } |
||
| 41 | mjames | 910 | sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_FALLING; |
| 911 | sConfigIC.ICSelection = TIM_ICSELECTION_INDIRECTTI; |
||
| 912 | sConfigIC.ICFilter = 0; |
||
| 913 | if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_2) != HAL_OK) |
||
| 914 | { |
||
| 915 | Error_Handler(); |
||
| 916 | } |
||
| 38 | mjames | 917 | /* USER CODE BEGIN TIM2_Init 2 */ |
| 918 | |||
| 919 | /* USER CODE END TIM2_Init 2 */ |
||
| 920 | } |
||
| 921 | |||
| 922 | /** |
||
| 46 | mjames | 923 | * @brief TIM3 Initialization Function |
| 924 | * @param None |
||
| 925 | * @retval None |
||
| 926 | */ |
||
| 38 | mjames | 927 | static void MX_TIM3_Init(void) |
| 928 | { |
||
| 929 | |||
| 930 | /* USER CODE BEGIN TIM3_Init 0 */ |
||
| 931 | |||
| 932 | /* USER CODE END TIM3_Init 0 */ |
||
| 933 | |||
| 934 | TIM_ClockConfigTypeDef sClockSourceConfig = {0}; |
||
| 935 | TIM_MasterConfigTypeDef sMasterConfig = {0}; |
||
| 936 | TIM_OC_InitTypeDef sConfigOC = {0}; |
||
| 937 | |||
| 938 | /* USER CODE BEGIN TIM3_Init 1 */ |
||
| 939 | |||
| 940 | /* USER CODE END TIM3_Init 1 */ |
||
| 941 | htim3.Instance = TIM3; |
||
| 41 | mjames | 942 | htim3.Init.Prescaler = 719; |
| 38 | mjames | 943 | htim3.Init.CounterMode = TIM_COUNTERMODE_UP; |
| 41 | mjames | 944 | htim3.Init.Period = 199; |
| 38 | mjames | 945 | htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
| 946 | htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; |
||
| 947 | if (HAL_TIM_Base_Init(&htim3) != HAL_OK) |
||
| 948 | { |
||
| 949 | Error_Handler(); |
||
| 950 | } |
||
| 951 | sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; |
||
| 952 | if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK) |
||
| 953 | { |
||
| 954 | Error_Handler(); |
||
| 955 | } |
||
| 956 | if (HAL_TIM_OC_Init(&htim3) != HAL_OK) |
||
| 957 | { |
||
| 958 | Error_Handler(); |
||
| 959 | } |
||
| 960 | if (HAL_TIM_OnePulse_Init(&htim3, TIM_OPMODE_SINGLE) != HAL_OK) |
||
| 961 | { |
||
| 962 | Error_Handler(); |
||
| 963 | } |
||
| 964 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_OC1; |
||
| 965 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
||
| 966 | if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) |
||
| 967 | { |
||
| 968 | Error_Handler(); |
||
| 969 | } |
||
| 970 | sConfigOC.OCMode = TIM_OCMODE_TIMING; |
||
| 41 | mjames | 971 | sConfigOC.Pulse = 198; |
| 38 | mjames | 972 | sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; |
| 973 | sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; |
||
| 974 | if (HAL_TIM_OC_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) |
||
| 975 | { |
||
| 976 | Error_Handler(); |
||
| 977 | } |
||
| 978 | /* USER CODE BEGIN TIM3_Init 2 */ |
||
| 979 | |||
| 980 | /* USER CODE END TIM3_Init 2 */ |
||
| 981 | } |
||
| 982 | |||
| 983 | /** |
||
| 46 | mjames | 984 | * @brief TIM4 Initialization Function |
| 985 | * @param None |
||
| 986 | * @retval None |
||
| 987 | */ |
||
| 38 | mjames | 988 | static void MX_TIM4_Init(void) |
| 989 | { |
||
| 990 | |||
| 991 | /* USER CODE BEGIN TIM4_Init 0 */ |
||
| 992 | |||
| 993 | /* USER CODE END TIM4_Init 0 */ |
||
| 994 | |||
| 995 | TIM_ClockConfigTypeDef sClockSourceConfig = {0}; |
||
| 996 | TIM_MasterConfigTypeDef sMasterConfig = {0}; |
||
| 997 | |||
| 998 | /* USER CODE BEGIN TIM4_Init 1 */ |
||
| 999 | |||
| 1000 | /* USER CODE END TIM4_Init 1 */ |
||
| 1001 | htim4.Instance = TIM4; |
||
| 41 | mjames | 1002 | htim4.Init.Prescaler = 719; |
| 38 | mjames | 1003 | htim4.Init.CounterMode = TIM_COUNTERMODE_UP; |
| 1004 | htim4.Init.Period = 9999; |
||
| 1005 | htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
||
| 1006 | htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; |
||
| 1007 | if (HAL_TIM_Base_Init(&htim4) != HAL_OK) |
||
| 1008 | { |
||
| 1009 | Error_Handler(); |
||
| 1010 | } |
||
| 1011 | sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; |
||
| 1012 | if (HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig) != HAL_OK) |
||
| 1013 | { |
||
| 1014 | Error_Handler(); |
||
| 1015 | } |
||
| 1016 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; |
||
| 1017 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
||
| 1018 | if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK) |
||
| 1019 | { |
||
| 1020 | Error_Handler(); |
||
| 1021 | } |
||
| 1022 | /* USER CODE BEGIN TIM4_Init 2 */ |
||
| 1023 | |||
| 1024 | /* USER CODE END TIM4_Init 2 */ |
||
| 1025 | } |
||
| 1026 | |||
| 1027 | /** |
||
| 46 | mjames | 1028 | * @brief USART1 Initialization Function |
| 1029 | * @param None |
||
| 1030 | * @retval None |
||
| 1031 | */ |
||
| 38 | mjames | 1032 | static void MX_USART1_UART_Init(void) |
| 1033 | { |
||
| 1034 | |||
| 1035 | /* USER CODE BEGIN USART1_Init 0 */ |
||
| 1036 | |||
| 1037 | /* USER CODE END USART1_Init 0 */ |
||
| 1038 | |||
| 1039 | /* USER CODE BEGIN USART1_Init 1 */ |
||
| 1040 | |||
| 1041 | /* USER CODE END USART1_Init 1 */ |
||
| 1042 | huart1.Instance = USART1; |
||
| 1043 | huart1.Init.BaudRate = 19200; |
||
| 1044 | huart1.Init.WordLength = UART_WORDLENGTH_8B; |
||
| 1045 | huart1.Init.StopBits = UART_STOPBITS_1; |
||
| 1046 | huart1.Init.Parity = UART_PARITY_NONE; |
||
| 1047 | huart1.Init.Mode = UART_MODE_TX_RX; |
||
| 1048 | huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
||
| 1049 | huart1.Init.OverSampling = UART_OVERSAMPLING_16; |
||
| 1050 | if (HAL_UART_Init(&huart1) != HAL_OK) |
||
| 1051 | { |
||
| 1052 | Error_Handler(); |
||
| 1053 | } |
||
| 1054 | /* USER CODE BEGIN USART1_Init 2 */ |
||
| 1055 | |||
| 1056 | /* USER CODE END USART1_Init 2 */ |
||
| 1057 | } |
||
| 1058 | |||
| 1059 | /** |
||
| 46 | mjames | 1060 | * Enable DMA controller clock |
| 1061 | */ |
||
| 38 | mjames | 1062 | static void MX_DMA_Init(void) |
| 1063 | { |
||
| 1064 | |||
| 1065 | /* DMA controller clock enable */ |
||
| 1066 | __HAL_RCC_DMA1_CLK_ENABLE(); |
||
| 1067 | |||
| 1068 | /* DMA interrupt init */ |
||
| 1069 | /* DMA1_Channel1_IRQn interrupt configuration */ |
||
| 1070 | HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0); |
||
| 1071 | HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn); |
||
| 1072 | } |
||
| 1073 | |||
| 1074 | /** |
||
| 46 | mjames | 1075 | * @brief GPIO Initialization Function |
| 1076 | * @param None |
||
| 1077 | * @retval None |
||
| 1078 | */ |
||
| 38 | mjames | 1079 | static void MX_GPIO_Init(void) |
| 1080 | { |
||
| 1081 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
||
| 1082 | |||
| 1083 | /* GPIO Ports Clock Enable */ |
||
| 1084 | __HAL_RCC_GPIOC_CLK_ENABLE(); |
||
| 1085 | __HAL_RCC_GPIOD_CLK_ENABLE(); |
||
| 1086 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
||
| 1087 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
||
| 1088 | |||
| 1089 | /*Configure GPIO pin Output Level */ |
||
| 1090 | HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin, GPIO_PIN_RESET); |
||
| 1091 | |||
| 1092 | /*Configure GPIO pin Output Level */ |
||
| 46 | mjames | 1093 | HAL_GPIO_WritePin(GPIOB, SPI_CS_Clk_Pin | SPI_CS_D_Pin | ENA_AUX_5V_Pin, GPIO_PIN_RESET); |
| 38 | mjames | 1094 | |
| 1095 | /*Configure GPIO pin : LED_Blink_Pin */ |
||
| 1096 | GPIO_InitStruct.Pin = LED_Blink_Pin; |
||
| 1097 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
||
| 1098 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
||
| 1099 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
||
| 1100 | HAL_GPIO_Init(LED_Blink_GPIO_Port, &GPIO_InitStruct); |
||
| 1101 | |||
| 43 | mjames | 1102 | /*Configure GPIO pins : SPI_CS_Clk_Pin SPI_CS_D_Pin ENA_AUX_5V_Pin */ |
| 46 | mjames | 1103 | GPIO_InitStruct.Pin = SPI_CS_Clk_Pin | SPI_CS_D_Pin | ENA_AUX_5V_Pin; |
| 38 | mjames | 1104 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| 1105 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
||
| 1106 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
||
| 1107 | HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); |
||
| 1108 | |||
| 1109 | /*Configure GPIO pin : STARTER_ON_Pin */ |
||
| 1110 | GPIO_InitStruct.Pin = STARTER_ON_Pin; |
||
| 1111 | GPIO_InitStruct.Mode = GPIO_MODE_INPUT; |
||
| 1112 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
||
| 1113 | HAL_GPIO_Init(STARTER_ON_GPIO_Port, &GPIO_InitStruct); |
||
| 1114 | } |
||
| 1115 | |||
| 1116 | /* USER CODE BEGIN 4 */ |
||
| 1117 | |||
| 1118 | /* USER CODE END 4 */ |
||
| 1119 | |||
| 1120 | /** |
||
| 46 | mjames | 1121 | * @brief This function is executed in case of error occurrence. |
| 1122 | * @retval None |
||
| 1123 | */ |
||
| 38 | mjames | 1124 | void Error_Handler(void) |
| 1125 | { |
||
| 1126 | /* USER CODE BEGIN Error_Handler_Debug */ |
||
| 45 | mjames | 1127 | /* User can add his own implementation to report the HAL error return state */ |
| 38 | mjames | 1128 | |
| 1129 | /* USER CODE END Error_Handler_Debug */ |
||
| 1130 | } |
||
| 1131 | |||
| 46 | mjames | 1132 | #ifdef USE_FULL_ASSERT |
| 38 | mjames | 1133 | /** |
| 46 | mjames | 1134 | * @brief Reports the name of the source file and the source line number |
| 1135 | * where the assert_param error has occurred. |
||
| 1136 | * @param file: pointer to the source file name |
||
| 1137 | * @param line: assert_param error line source number |
||
| 1138 | * @retval None |
||
| 1139 | */ |
||
| 38 | mjames | 1140 | void assert_failed(uint8_t *file, uint32_t line) |
| 1141 | { |
||
| 1142 | /* USER CODE BEGIN 6 */ |
||
| 1143 | /* User can add his own implementation to report the file name and line number, |
||
| 1144 | tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
||
| 1145 | /* USER CODE END 6 */ |
||
| 1146 | } |
||
| 1147 | #endif /* USE_FULL_ASSERT */ |