459 lines
15 KiB
C
459 lines
15 KiB
C
/*
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* Setup.c
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*
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* Created on: 29Aug.,2017
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* Author: Ben V. Brown
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*/
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#include "Setup.h"
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ADC_HandleTypeDef hadc1;
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ADC_HandleTypeDef hadc2;
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DMA_HandleTypeDef hdma_adc1;
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I2C_HandleTypeDef hi2c1;
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DMA_HandleTypeDef hdma_i2c1_rx;
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DMA_HandleTypeDef hdma_i2c1_tx;
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IWDG_HandleTypeDef hiwdg;
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TIM_HandleTypeDef htim2;
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TIM_HandleTypeDef htim3;
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uint16_t ADCReadings[64]; // room for 32 lots of the pair of readings
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// Functions
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static void SystemClock_Config(void);
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static void MX_ADC1_Init(void);
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static void MX_I2C1_Init(void);
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static void MX_IWDG_Init(void);
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static void MX_TIM3_Init(void);
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static void MX_TIM2_Init(void);
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static void MX_DMA_Init(void);
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static void MX_GPIO_Init(void);
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static void MX_ADC2_Init(void);
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void Setup_HAL() {
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SystemClock_Config();
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__HAL_AFIO_REMAP_SWJ_DISABLE()
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;
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MX_GPIO_Init();
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MX_DMA_Init();
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MX_I2C1_Init();
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MX_ADC1_Init();
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MX_ADC2_Init();
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MX_TIM3_Init();
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MX_TIM2_Init();
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MX_IWDG_Init();
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HAL_ADC_Start(&hadc2);
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HAL_ADCEx_MultiModeStart_DMA(&hadc1, (uint32_t*) ADCReadings, 64); // start DMA of normal readings
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HAL_ADCEx_InjectedStart(&hadc1); // enable injected readings
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HAL_ADCEx_InjectedStart(&hadc2); // enable injected readings
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}
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// channel 0 -> temperature sensor, 1-> VIN
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uint16_t getADC(uint8_t channel) {
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uint32_t sum = 0;
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for (uint8_t i = 0; i < 32; i++)
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sum += ADCReadings[channel + (i * 2)];
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return sum >> 2;
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}
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/** System Clock Configuration
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*/
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void SystemClock_Config(void) {
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInit;
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/**Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_OscInitStruct.OscillatorType =
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RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = 16;
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RCC_OscInitStruct.LSIState = RCC_LSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16; // 64MHz
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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/**Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK |
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RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV16; // TIM
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// 2,3,4,5,6,7,12,13,14
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RCC_ClkInitStruct.APB2CLKDivider =
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RCC_HCLK_DIV1; // 64 mhz to some peripherals and adc
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
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PeriphClkInit.AdcClockSelection =
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RCC_ADCPCLK2_DIV6; // 6 or 8 are the only non overclocked options
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HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
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/**Configure the Systick interrupt time
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*/
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HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / 1000);
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/**Configure the Systick
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*/
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HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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/* SysTick_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(SysTick_IRQn, 15, 0);
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}
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/* ADC1 init function */
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static void MX_ADC1_Init(void) {
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ADC_MultiModeTypeDef multimode;
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ADC_ChannelConfTypeDef sConfig;
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ADC_InjectionConfTypeDef sConfigInjected;
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/**Common config
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*/
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hadc1.Instance = ADC1;
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hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;
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hadc1.Init.ContinuousConvMode = ENABLE;
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hadc1.Init.DiscontinuousConvMode = DISABLE;
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hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc1.Init.NbrOfConversion = 2;
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HAL_ADC_Init(&hadc1);
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/**Configure the ADC multi-mode
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*/
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multimode.Mode = ADC_DUALMODE_REGSIMULT_INJECSIMULT;
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HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode);
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/**Configure Regular Channel
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*/
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sConfig.Channel = TMP36_ADC1_CHANNEL;
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sConfig.Rank = 1;
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sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
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HAL_ADC_ConfigChannel(&hadc1, &sConfig);
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/**Configure Regular Channel
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*/
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sConfig.Channel = VIN_ADC1_CHANNEL;
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sConfig.Rank = 2;
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HAL_ADC_ConfigChannel(&hadc1, &sConfig);
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/**Configure Injected Channel
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*/
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// F in = 10.66 MHz
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/*
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* Injected time is 1 delay clock + (12 adc cycles*4)+4*sampletime =~217
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* clocks = 0.2ms Charge time is 0.016 uS ideally So Sampling time must be >=
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* 0.016uS 1/10.66MHz is 0.09uS, so 1 CLK is *should* be enough
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* */
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sConfigInjected.InjectedChannel = TIP_TEMP_ADC1_CHANNEL;
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sConfigInjected.InjectedRank = 1;
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sConfigInjected.InjectedNbrOfConversion = 4;
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sConfigInjected.InjectedSamplingTime = ADC_SAMPLETIME_7CYCLES_5;
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sConfigInjected.ExternalTrigInjecConv = ADC_EXTERNALTRIGINJECCONV_T2_CC1;
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sConfigInjected.AutoInjectedConv = DISABLE;
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sConfigInjected.InjectedDiscontinuousConvMode = DISABLE;
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sConfigInjected.InjectedOffset = 0;
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HAL_ADCEx_InjectedConfigChannel(&hadc1, &sConfigInjected);
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sConfigInjected.InjectedSamplingTime = ADC_SAMPLETIME_1CYCLE_5;
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sConfigInjected.InjectedRank = 2;
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HAL_ADCEx_InjectedConfigChannel(&hadc1, &sConfigInjected);
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sConfigInjected.InjectedRank = 3;
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HAL_ADCEx_InjectedConfigChannel(&hadc1, &sConfigInjected);
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sConfigInjected.InjectedRank = 4;
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HAL_ADCEx_InjectedConfigChannel(&hadc1, &sConfigInjected);
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SET_BIT(hadc1.Instance->CR1, (ADC_CR1_JEOCIE)); // Enable end of injected conv irq
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// Run ADC internal calibration
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while (HAL_ADCEx_Calibration_Start(&hadc1) != HAL_OK)
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;
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}
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/* ADC2 init function */
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static void MX_ADC2_Init(void) {
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ADC_ChannelConfTypeDef sConfig;
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ADC_InjectionConfTypeDef sConfigInjected;
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/**Common config
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*/
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hadc2.Instance = ADC2;
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hadc2.Init.ScanConvMode = ADC_SCAN_ENABLE;
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hadc2.Init.ContinuousConvMode = ENABLE;
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hadc2.Init.DiscontinuousConvMode = DISABLE;
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hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc2.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc2.Init.NbrOfConversion = 2;
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HAL_ADC_Init(&hadc2);
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/**Configure Regular Channel
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*/
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sConfig.Channel = TIP_TEMP_ADC2_CHANNEL;
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sConfig.Rank = ADC_REGULAR_RANK_1;
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sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
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HAL_ADC_ConfigChannel(&hadc2, &sConfig);
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sConfig.Channel = VIN_ADC2_CHANNEL;
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sConfig.Rank = ADC_REGULAR_RANK_2;
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sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
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HAL_ADC_ConfigChannel(&hadc2, &sConfig);
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/**Configure Injected Channel
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*/
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sConfigInjected.InjectedChannel = TIP_TEMP_ADC2_CHANNEL;
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sConfigInjected.InjectedRank = ADC_INJECTED_RANK_1;
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sConfigInjected.InjectedNbrOfConversion = 4;
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sConfigInjected.InjectedSamplingTime = ADC_SAMPLETIME_7CYCLES_5;
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sConfigInjected.ExternalTrigInjecConv = ADC_EXTERNALTRIGINJECCONV_T2_CC1;
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sConfigInjected.AutoInjectedConv = DISABLE;
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sConfigInjected.InjectedDiscontinuousConvMode = DISABLE;
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sConfigInjected.InjectedOffset = 0;
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HAL_ADCEx_InjectedConfigChannel(&hadc2, &sConfigInjected);
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sConfigInjected.InjectedSamplingTime = ADC_SAMPLETIME_1CYCLE_5;
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sConfigInjected.InjectedRank = ADC_INJECTED_RANK_2;
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HAL_ADCEx_InjectedConfigChannel(&hadc2, &sConfigInjected);
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sConfigInjected.InjectedRank = ADC_INJECTED_RANK_3;
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HAL_ADCEx_InjectedConfigChannel(&hadc2, &sConfigInjected);
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sConfigInjected.InjectedRank = ADC_INJECTED_RANK_4;
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HAL_ADCEx_InjectedConfigChannel(&hadc2, &sConfigInjected);
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// Run ADC internal calibration
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while (HAL_ADCEx_Calibration_Start(&hadc2) != HAL_OK)
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;
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}
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/* I2C1 init function */
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static void MX_I2C1_Init(void) {
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hi2c1.Instance = I2C1;
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hi2c1.Init.ClockSpeed = 50000;
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// OLED doesnt handle >100k when its asleep (off).
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hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
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hi2c1.Init.OwnAddress1 = 0;
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hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c1.Init.OwnAddress2 = 0;
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hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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HAL_I2C_Init(&hi2c1);
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}
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/* IWDG init function */
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static void MX_IWDG_Init(void) {
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hiwdg.Instance = IWDG;
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hiwdg.Init.Prescaler = IWDG_PRESCALER_256;
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hiwdg.Init.Reload = 100;
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HAL_IWDG_Init(&hiwdg);
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}
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/* TIM3 init function */
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static void MX_TIM3_Init(void) {
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TIM_ClockConfigTypeDef sClockSourceConfig;
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TIM_MasterConfigTypeDef sMasterConfig;
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TIM_OC_InitTypeDef sConfigOC;
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htim3.Instance = TIM3;
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htim3.Init.Prescaler = 4;
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim3.Init.Period = 100; // 10 Khz PWM freq
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV4; // 4mhz before div
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htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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HAL_TIM_Base_Init(&htim3);
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig);
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HAL_TIM_PWM_Init(&htim3);
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HAL_TIM_OC_Init(&htim3);
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig);
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 50;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_ENABLE;
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HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, PWM_Out_CHANNEL);
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GPIO_InitTypeDef GPIO_InitStruct;
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/**TIM3 GPIO Configuration
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PWM_Out_Pin ------> TIM3_CH1
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*/
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GPIO_InitStruct.Pin = PWM_Out_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(PWM_Out_GPIO_Port, &GPIO_InitStruct);
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#ifdef MODEL_TS100
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// Remap TIM3_CH1 to be on pB4
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__HAL_AFIO_REMAP_TIM3_PARTIAL();
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#else
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// No re-map required
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#endif
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HAL_TIM_PWM_Start(&htim3, PWM_Out_CHANNEL);
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}
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/* TIM3 init function */
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static void MX_TIM2_Init(void) {
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/*
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* We use the channel 1 to trigger the ADC at end of PWM period
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* And we use the channel 4 as the PWM modulation source using Interrupts
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* */
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TIM_ClockConfigTypeDef sClockSourceConfig;
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TIM_MasterConfigTypeDef sMasterConfig;
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TIM_OC_InitTypeDef sConfigOC;
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// Timer 2 is fairly slow as its being used to run the PWM and trigger the ADC
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// in the PWM off time.
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htim2.Instance = TIM2;
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htim2.Init.Prescaler = 785; // pwm out is 10k from tim3, we want to run our PWM at around 10hz or slower on the output stage
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// The input is 1mhz after the div/4, so divide this by 785 to give around 4Hz output change rate
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//Trade off is the slower the PWM output the slower we can respond and we gain temperature accuracy in settling time,
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//But it increases the time delay between the heat cycle and the measurement and calculate cycle
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htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim2.Init.Period = 255 + 60;
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htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV4; // 4mhz before divide
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htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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HAL_TIM_Base_Init(&htim2);
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig);
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HAL_TIM_PWM_Init(&htim2);
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HAL_TIM_OC_Init(&htim2);
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig);
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 255 + 50; //255 is the largest time period of the drive signal, and the 50 offsets this around 5ms afterwards
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/*
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* It takes 4 milliseconds for output to be stable after PWM turns off.
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* Assume ADC samples in 0.5ms
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* We need to set this to 100% + 4.5ms
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* */
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_ENABLE;
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HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1);
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 0;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_ENABLE;
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HAL_TIM_OC_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_4);
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HAL_TIM_Base_Start_IT(&htim2);
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HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1);
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HAL_TIM_PWM_Start_IT(&htim2, TIM_CHANNEL_4);
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HAL_NVIC_SetPriority(TIM2_IRQn, 15, 0);
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HAL_NVIC_EnableIRQ(TIM2_IRQn);
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}
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/**
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* Enable DMA controller clock
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*/
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static void MX_DMA_Init(void) {
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/* DMA controller clock enable */
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__HAL_RCC_DMA1_CLK_ENABLE()
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;
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/* DMA interrupt init */
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/* DMA1_Channel1_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 15, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
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/* DMA1_Channel6_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Channel6_IRQn, 15, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel6_IRQn);
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/* DMA1_Channel7_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Channel7_IRQn, 15, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel7_IRQn);
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}
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/** Configure pins as
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* Analog
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* Input
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* Output
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* EVENT_OUT
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* EXTI
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* Free pins are configured automatically as Analog
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PB0 ------> ADCx_IN8
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PB1 ------> ADCx_IN9
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*/
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static void MX_GPIO_Init(void) {
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GPIO_InitTypeDef GPIO_InitStruct;
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOD_CLK_ENABLE()
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;
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__HAL_RCC_GPIOA_CLK_ENABLE()
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;
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__HAL_RCC_GPIOB_CLK_ENABLE()
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;
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(OLED_RESET_GPIO_Port, OLED_RESET_Pin, GPIO_PIN_RESET);
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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/*Configure GPIO pins : PD0 PD1 */
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GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/*Configure peripheral I/O remapping */
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__HAL_AFIO_REMAP_PD01_ENABLE()
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;
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//^ remap XTAL so that pins can be analog (all input buffers off).
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// reduces power consumption
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/*
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* Configure All pins as analog by default
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 |
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GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 |
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GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 |
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#ifdef MODEL_TS100
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GPIO_PIN_3 |
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#endif
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GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 |
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GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 |
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GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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#ifdef MODEL_TS100
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/* Pull USB lines low to disable, pull down debug too*/
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GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_14 | GPIO_PIN_13;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_11, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_13, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_14, GPIO_PIN_RESET);
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#else
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/* TS80 */
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/* Leave USB lines open circuit*/
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|
|
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#endif
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|
|
|
/*Configure GPIO pins : KEY_B_Pin KEY_A_Pin */
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|
GPIO_InitStruct.Pin = KEY_B_Pin | KEY_A_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(KEY_B_GPIO_Port, &GPIO_InitStruct);
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|
|
|
/*Configure GPIO pin : OLED_RESET_Pin */
|
|
GPIO_InitStruct.Pin = OLED_RESET_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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|
HAL_GPIO_Init(OLED_RESET_GPIO_Port, &GPIO_InitStruct);
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|
HAL_GPIO_WritePin(OLED_RESET_GPIO_Port, OLED_RESET_Pin, GPIO_PIN_RESET);
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|
|
|
// Pull down LCD reset
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HAL_GPIO_WritePin(OLED_RESET_GPIO_Port, OLED_RESET_Pin, GPIO_PIN_RESET);
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|
HAL_Delay(30);
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|
HAL_GPIO_WritePin(OLED_RESET_GPIO_Port, OLED_RESET_Pin, GPIO_PIN_SET);
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|
}
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