Gunar Kroeger / Mbed OS AcusticLocator

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

AnalogInDma.cpp@0:61544337ff5e, 2018-05-03 (annotated)

Committer:
gunarthon
Date:
Thu May 03 20:39:50 2018 +0000
Revision:
0:61544337ff5e
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gunarthon 0:61544337ff5e 1 #include "AnalogInDma.h"
gunarthon 0:61544337ff5e 2
gunarthon 0:61544337ff5e 3
gunarthon 0:61544337ff5e 4 AnalogInDma::AnalogInDma()
gunarthon 0:61544337ff5e 5 {
gunarthon 0:61544337ff5e 6 }
gunarthon 0:61544337ff5e 7 AnalogInDma::~AnalogInDma()
gunarthon 0:61544337ff5e 8 {
gunarthon 0:61544337ff5e 9
gunarthon 0:61544337ff5e 10 }
gunarthon 0:61544337ff5e 11 bool AnalogInDma::init()
gunarthon 0:61544337ff5e 12 {
gunarthon 0:61544337ff5e 13 MX_DMA_Init();
gunarthon 0:61544337ff5e 14 if(!MX_ADC1_Init())
gunarthon 0:61544337ff5e 15 return false;
gunarthon 0:61544337ff5e 16 return true;
gunarthon 0:61544337ff5e 17 }
gunarthon 0:61544337ff5e 18
gunarthon 0:61544337ff5e 19 bool AnalogInDma::start(uint32_t* pData, uint32_t Length)
gunarthon 0:61544337ff5e 20 {
gunarthon 0:61544337ff5e 21 if (HAL_ADC_Start_DMA(&hadc1, pData, Length) != HAL_OK)
gunarthon 0:61544337ff5e 22 return false;
gunarthon 0:61544337ff5e 23 return true;
gunarthon 0:61544337ff5e 24 }
gunarthon 0:61544337ff5e 25
gunarthon 0:61544337ff5e 26 /* ADC1 init function */
gunarthon 0:61544337ff5e 27 bool AnalogInDma::MX_ADC1_Init()
gunarthon 0:61544337ff5e 28 {
gunarthon 0:61544337ff5e 29 ADC_MultiModeTypeDef multimode;
gunarthon 0:61544337ff5e 30 ADC_ChannelConfTypeDef sConfig;
gunarthon 0:61544337ff5e 31
gunarthon 0:61544337ff5e 32 /**Common config
gunarthon 0:61544337ff5e 33 */
gunarthon 0:61544337ff5e 34 hadc1.Instance = ADC1;
gunarthon 0:61544337ff5e 35 hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
gunarthon 0:61544337ff5e 36 hadc1.Init.Resolution = ADC_RESOLUTION_12B;
gunarthon 0:61544337ff5e 37 hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
gunarthon 0:61544337ff5e 38 hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;
gunarthon 0:61544337ff5e 39 hadc1.Init.EOCSelection = ADC_EOC_SEQ_CONV;
gunarthon 0:61544337ff5e 40 hadc1.Init.LowPowerAutoWait = DISABLE;
gunarthon 0:61544337ff5e 41 hadc1.Init.ContinuousConvMode = ENABLE;
gunarthon 0:61544337ff5e 42 hadc1.Init.NbrOfConversion = 4;
gunarthon 0:61544337ff5e 43 hadc1.Init.DiscontinuousConvMode = DISABLE;
gunarthon 0:61544337ff5e 44 hadc1.Init.NbrOfDiscConversion = 1;
gunarthon 0:61544337ff5e 45 hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
gunarthon 0:61544337ff5e 46 hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
gunarthon 0:61544337ff5e 47 hadc1.Init.DMAContinuousRequests = ENABLE;
gunarthon 0:61544337ff5e 48 hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
gunarthon 0:61544337ff5e 49 hadc1.Init.OversamplingMode = DISABLE;
gunarthon 0:61544337ff5e 50 if (HAL_ADC_Init(&hadc1) != HAL_OK)
gunarthon 0:61544337ff5e 51 return false;
gunarthon 0:61544337ff5e 52
gunarthon 0:61544337ff5e 53 /**Configure the ADC multi-mode
gunarthon 0:61544337ff5e 54 */
gunarthon 0:61544337ff5e 55 multimode.Mode = ADC_MODE_INDEPENDENT;
gunarthon 0:61544337ff5e 56 if (HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode) != HAL_OK)
gunarthon 0:61544337ff5e 57 return false;
gunarthon 0:61544337ff5e 58
gunarthon 0:61544337ff5e 59 /**Configure Regular Channel
gunarthon 0:61544337ff5e 60 */
gunarthon 0:61544337ff5e 61 sConfig.Channel = ADC_CHANNEL_5;
gunarthon 0:61544337ff5e 62 sConfig.Rank = 1;
gunarthon 0:61544337ff5e 63 sConfig.SamplingTime = ADC_SAMPLETIME_247CYCLES_5;
gunarthon 0:61544337ff5e 64 sConfig.SingleDiff = ADC_SINGLE_ENDED;
gunarthon 0:61544337ff5e 65 sConfig.OffsetNumber = ADC_OFFSET_NONE;
gunarthon 0:61544337ff5e 66 sConfig.Offset = 0;
gunarthon 0:61544337ff5e 67 if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
gunarthon 0:61544337ff5e 68 return false;
gunarthon 0:61544337ff5e 69
gunarthon 0:61544337ff5e 70 /**Configure Regular Channel
gunarthon 0:61544337ff5e 71 */
gunarthon 0:61544337ff5e 72 sConfig.Channel = ADC_CHANNEL_6;
gunarthon 0:61544337ff5e 73 sConfig.Rank = 2;
gunarthon 0:61544337ff5e 74 if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
gunarthon 0:61544337ff5e 75 return false;
gunarthon 0:61544337ff5e 76
gunarthon 0:61544337ff5e 77 /**Configure Regular Channel
gunarthon 0:61544337ff5e 78 */
gunarthon 0:61544337ff5e 79 sConfig.Channel = ADC_CHANNEL_9;
gunarthon 0:61544337ff5e 80 sConfig.Rank = 3;
gunarthon 0:61544337ff5e 81 if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
gunarthon 0:61544337ff5e 82 return false;
gunarthon 0:61544337ff5e 83 /**Configure Regular Channel
gunarthon 0:61544337ff5e 84 */
gunarthon 0:61544337ff5e 85 sConfig.Channel = ADC_CHANNEL_15;
gunarthon 0:61544337ff5e 86 sConfig.Rank = 4;
gunarthon 0:61544337ff5e 87 if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
gunarthon 0:61544337ff5e 88 return false;
gunarthon 0:61544337ff5e 89 return true;
gunarthon 0:61544337ff5e 90 }
gunarthon 0:61544337ff5e 91
gunarthon 0:61544337ff5e 92 /**
gunarthon 0:61544337ff5e 93 * Enable DMA controller clock
gunarthon 0:61544337ff5e 94 */
gunarthon 0:61544337ff5e 95 void AnalogInDma::MX_DMA_Init()
gunarthon 0:61544337ff5e 96 {
gunarthon 0:61544337ff5e 97 /* DMA controller clock enable */
gunarthon 0:61544337ff5e 98 __HAL_RCC_DMA1_CLK_ENABLE();
gunarthon 0:61544337ff5e 99
gunarthon 0:61544337ff5e 100 /* DMA interrupt init */
gunarthon 0:61544337ff5e 101 /* DMA1_Channel1_IRQn interrupt configuration */
gunarthon 0:61544337ff5e 102 HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
gunarthon 0:61544337ff5e 103 HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
gunarthon 0:61544337ff5e 104 }