LELEC2811 - I&S / Mbed OS LELEC2811_IKS01A3_Multisensors

2019-2020 Multisensor project using the X_NUCLEO_IKS01A3 sensor platform

Dependencies:   X_NUCLEO_IKS01A3

adc.cpp@19:35f7b17d4bb5, 2019-11-26 (annotated)

Committer:
martlefebvre94
Date:
Tue Nov 26 11:45:01 2019 +0000
Revision:
19:35f7b17d4bb5
Parent:
18:17f5509ac69b 
Code cleaned

Who changed what in which revision?

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martlefebvre94 18:17f5509ac69b 1 /**
martlefebvre94 18:17f5509ac69b 2 ******************************************************************************
martlefebvre94 18:17f5509ac69b 3 * File Name : adc.c
martlefebvre94 18:17f5509ac69b 4 * Description : This file provides code for the configuration
martlefebvre94 18:17f5509ac69b 5 * of the ADC instances.
martlefebvre94 18:17f5509ac69b 6 ******************************************************************************
martlefebvre94 18:17f5509ac69b 7 ** This notice applies to any and all portions of this file
martlefebvre94 18:17f5509ac69b 8 * that are not between comment pairs USER CODE BEGIN and
martlefebvre94 18:17f5509ac69b 9 * USER CODE END. Other portions of this file, whether
martlefebvre94 18:17f5509ac69b 10 * inserted by the user or by software development tools
martlefebvre94 18:17f5509ac69b 11 * are owned by their respective copyright owners.
martlefebvre94 18:17f5509ac69b 12 *
martlefebvre94 18:17f5509ac69b 13 * COPYRIGHT(c) 2019 STMicroelectronics
martlefebvre94 18:17f5509ac69b 14 *
martlefebvre94 18:17f5509ac69b 15 * Redistribution and use in source and binary forms, with or without modification,
martlefebvre94 18:17f5509ac69b 16 * are permitted provided that the following conditions are met:
martlefebvre94 18:17f5509ac69b 17 * 1. Redistributions of source code must retain the above copyright notice,
martlefebvre94 18:17f5509ac69b 18 * this list of conditions and the following disclaimer.
martlefebvre94 18:17f5509ac69b 19 * 2. Redistributions in binary form must reproduce the above copyright notice,
martlefebvre94 18:17f5509ac69b 20 * this list of conditions and the following disclaimer in the documentation
martlefebvre94 18:17f5509ac69b 21 * and/or other materials provided with the distribution.
martlefebvre94 18:17f5509ac69b 22 * 3. Neither the name of STMicroelectronics nor the names of its contributors
martlefebvre94 18:17f5509ac69b 23 * may be used to endorse or promote products derived from this software
martlefebvre94 18:17f5509ac69b 24 * without specific prior written permission.
martlefebvre94 18:17f5509ac69b 25 *
martlefebvre94 18:17f5509ac69b 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
martlefebvre94 18:17f5509ac69b 27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
martlefebvre94 18:17f5509ac69b 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
martlefebvre94 18:17f5509ac69b 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
martlefebvre94 18:17f5509ac69b 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
martlefebvre94 18:17f5509ac69b 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
martlefebvre94 18:17f5509ac69b 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
martlefebvre94 18:17f5509ac69b 33 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
martlefebvre94 18:17f5509ac69b 34 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
martlefebvre94 18:17f5509ac69b 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
martlefebvre94 18:17f5509ac69b 36 *
martlefebvre94 18:17f5509ac69b 37 ******************************************************************************
martlefebvre94 18:17f5509ac69b 38 */
martlefebvre94 18:17f5509ac69b 39
martlefebvre94 18:17f5509ac69b 40 /* Includes ------------------------------------------------------------------*/
martlefebvre94 18:17f5509ac69b 41 #include "adc.h"
martlefebvre94 18:17f5509ac69b 42 #include "gpio.h"
martlefebvre94 18:17f5509ac69b 43
martlefebvre94 18:17f5509ac69b 44 ADC_HandleTypeDef hadc;
martlefebvre94 18:17f5509ac69b 45
martlefebvre94 18:17f5509ac69b 46 /* ADC init function */
martlefebvre94 18:17f5509ac69b 47 void MX_ADC_Init(void)
martlefebvre94 18:17f5509ac69b 48 {
martlefebvre94 18:17f5509ac69b 49 ADC_ChannelConfTypeDef sConfig;
martlefebvre94 18:17f5509ac69b 50
martlefebvre94 18:17f5509ac69b 51 /* Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) */
martlefebvre94 18:17f5509ac69b 52 hadc.Instance = ADC1;
martlefebvre94 18:17f5509ac69b 53
martlefebvre94 18:17f5509ac69b 54 hadc.Init.OversamplingMode = DISABLE;
martlefebvre94 18:17f5509ac69b 55 hadc.Init.Oversample.Ratio = ADC_OVERSAMPLING_RATIO_16;
martlefebvre94 18:17f5509ac69b 56 hadc.Init.Oversample.RightBitShift = ADC_RIGHTBITSHIFT_4;
martlefebvre94 18:17f5509ac69b 57 hadc.Init.Oversample.TriggeredMode = ADC_TRIGGEREDMODE_SINGLE_TRIGGER;
martlefebvre94 18:17f5509ac69b 58
martlefebvre94 18:17f5509ac69b 59 /* ADC SAMPLING FREQUENCY = ((12.5+ADC_SAMPLETIME_xCYCLES_x)*ADC_CLK)/OVERSAMPLING_RATIO */
martlefebvre94 18:17f5509ac69b 60 hadc.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV1;
martlefebvre94 18:17f5509ac69b 61 hadc.Init.LowPowerAutoWait = DISABLE;
martlefebvre94 18:17f5509ac69b 62 hadc.Init.LowPowerFrequencyMode = DISABLE;
martlefebvre94 18:17f5509ac69b 63 hadc.Init.LowPowerAutoPowerOff = DISABLE;
martlefebvre94 18:17f5509ac69b 64
martlefebvre94 18:17f5509ac69b 65 hadc.Init.Resolution = ADC_RESOLUTION_12B;
martlefebvre94 18:17f5509ac69b 66 hadc.Init.SamplingTime = ADC_SAMPLETIME_3CYCLES_5;
martlefebvre94 18:17f5509ac69b 67 hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
martlefebvre94 18:17f5509ac69b 68 hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
martlefebvre94 18:17f5509ac69b 69 hadc.Init.ContinuousConvMode = ENABLE;
martlefebvre94 18:17f5509ac69b 70 hadc.Init.DiscontinuousConvMode = DISABLE;
martlefebvre94 18:17f5509ac69b 71 hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
martlefebvre94 18:17f5509ac69b 72 hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
martlefebvre94 18:17f5509ac69b 73 hadc.Init.DMAContinuousRequests = DISABLE;
martlefebvre94 18:17f5509ac69b 74 hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
martlefebvre94 18:17f5509ac69b 75 hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
martlefebvre94 18:17f5509ac69b 76
martlefebvre94 18:17f5509ac69b 77 if (HAL_ADC_Init(&hadc) != HAL_OK)
martlefebvre94 18:17f5509ac69b 78 {
martlefebvre94 18:17f5509ac69b 79 _Error_Handler(__FILE__, __LINE__);
martlefebvre94 18:17f5509ac69b 80 }
martlefebvre94 18:17f5509ac69b 81
martlefebvre94 18:17f5509ac69b 82 /* Start calibration */
martlefebvre94 18:17f5509ac69b 83 if (HAL_ADCEx_Calibration_Start(&hadc, ADC_SINGLE_ENDED) != HAL_OK)
martlefebvre94 18:17f5509ac69b 84 {
martlefebvre94 18:17f5509ac69b 85 Error_Handler();
martlefebvre94 18:17f5509ac69b 86 }
martlefebvre94 18:17f5509ac69b 87
martlefebvre94 18:17f5509ac69b 88 /* Configure for the selected ADC regular channel to be converted. */
martlefebvre94 18:17f5509ac69b 89 sConfig.Channel = ADC_CHANNEL_0;
martlefebvre94 18:17f5509ac69b 90
martlefebvre94 18:17f5509ac69b 91 if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
martlefebvre94 18:17f5509ac69b 92 {
martlefebvre94 18:17f5509ac69b 93 _Error_Handler(__FILE__, __LINE__);
martlefebvre94 18:17f5509ac69b 94 }
martlefebvre94 18:17f5509ac69b 95 }
martlefebvre94 18:17f5509ac69b 96
martlefebvre94 18:17f5509ac69b 97 void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
martlefebvre94 18:17f5509ac69b 98 {
martlefebvre94 18:17f5509ac69b 99 GPIO_InitTypeDef GPIO_InitStruct;
martlefebvre94 18:17f5509ac69b 100 if (adcHandle->Instance == ADC1)
martlefebvre94 18:17f5509ac69b 101 {
martlefebvre94 18:17f5509ac69b 102 /* ADC1 clock enable */
martlefebvre94 18:17f5509ac69b 103 __HAL_RCC_ADC1_CLK_ENABLE();
martlefebvre94 18:17f5509ac69b 104
martlefebvre94 18:17f5509ac69b 105 /* ADC GPIO Configuration PA0 ------> ADC_IN0 */
martlefebvre94 18:17f5509ac69b 106 GPIO_InitStruct.Pin = GPIO_PIN_0;
martlefebvre94 18:17f5509ac69b 107 GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
martlefebvre94 18:17f5509ac69b 108 GPIO_InitStruct.Pull = GPIO_NOPULL;
martlefebvre94 18:17f5509ac69b 109 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
martlefebvre94 18:17f5509ac69b 110
martlefebvre94 18:17f5509ac69b 111 /* Configure the NVIC */
martlefebvre94 18:17f5509ac69b 112 /* NVIC configuration for ADC EOC interrupt */
martlefebvre94 18:17f5509ac69b 113 HAL_NVIC_SetPriority(ADC1_COMP_IRQn, 0, 0);
martlefebvre94 18:17f5509ac69b 114 HAL_NVIC_EnableIRQ(ADC1_COMP_IRQn);
martlefebvre94 18:17f5509ac69b 115 }
martlefebvre94 18:17f5509ac69b 116 }
martlefebvre94 18:17f5509ac69b 117
martlefebvre94 18:17f5509ac69b 118 void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
martlefebvre94 18:17f5509ac69b 119 {
martlefebvre94 18:17f5509ac69b 120 if(adcHandle->Instance == ADC1)
martlefebvre94 18:17f5509ac69b 121 {
martlefebvre94 18:17f5509ac69b 122 /* Peripheral clock disable */
martlefebvre94 18:17f5509ac69b 123 __HAL_RCC_ADC1_CLK_DISABLE();
martlefebvre94 18:17f5509ac69b 124
martlefebvre94 18:17f5509ac69b 125 /* ADC GPIO Configuration PA0 ------> ADC_IN0 */
martlefebvre94 18:17f5509ac69b 126 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0);
martlefebvre94 18:17f5509ac69b 127
martlefebvre94 18:17f5509ac69b 128 /* Configure the NVIC */
martlefebvre94 18:17f5509ac69b 129 /* NVIC configuration for ADC EOC interrupt */
martlefebvre94 18:17f5509ac69b 130 HAL_NVIC_DisableIRQ(ADC1_COMP_IRQn);
martlefebvre94 18:17f5509ac69b 131 }
martlefebvre94 18:17f5509ac69b 132 }
martlefebvre94 18:17f5509ac69b 133
martlefebvre94 18:17f5509ac69b 134 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/