annotate Small_CPU/Src/adc.c @ 293:02d10d955be2 div-fixes-6

bugfix, consistency: show deco, NDL after 1 minute 1 letter fix. VPM showed NDL data after 10 seconds, and Buehlmann after 60 seconds. And as this type of data is fully irrelevant during the first minute (at least), make VPM and Buehlmann consistent and display NDL after 60 seconds. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Thu, 02 May 2019 10:05:28 +0200
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38
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1 /**
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2 ******************************************************************************
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3 * @file adc.c
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 11-Dec-2014
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7 * @brief ADC for ambient light sensor
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21
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22 /* Includes ------------------------------------------------------------------*/
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23
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24 #include "stm32f4xx_hal.h"
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25 #include "adc.h"
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26
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27 /* Exported variables --------------------------------------------------------*/
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28 /* Private variables ---------------------------------------------------------*/
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29 ADC_HandleTypeDef AdcHandle;
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30 __IO uint16_t uhADCxConvertedValue = 0;
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31
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32 /* Private types -------------------------------------------------------------*/
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33 #define ADCx ADC1
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34 #define ADCx_CLK_ENABLE() __ADC1_CLK_ENABLE();
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35 #define ADCx_CHANNEL_GPIO_CLK_ENABLE() __GPIOF_CLK_ENABLE()
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36
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37 #define ADCx_FORCE_RESET() __ADC_FORCE_RESET()
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38 #define ADCx_RELEASE_RESET() __ADC_RELEASE_RESET()
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39
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40 /* Definition for ADCx Channel Pin */
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41 #define ADCx_GPIO_PIN GPIO_PIN_0
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42 #define ADCx_GPIO_PORT GPIOB
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43 #define ADCx_GPIO_CLK_ENABLE() __GPIOB_CLK_ENABLE()
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44 #define ADCx_GPIO_CLK_DISABLE() __GPIOB_CLK_DISABLE()
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45
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46 /* Definition for ADCx's Channel */
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47 #define ADCx_CHANNEL ADC_CHANNEL_8
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48
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49 /* Definition for ADCx's NVIC */
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50 //#define ADCx_IRQn ADC_IRQn
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51
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52 /* Private function prototypes -----------------------------------------------*/
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53 void ADC_Start_single_IT_Conversion(void);
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54
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55 /* Exported functions --------------------------------------------------------*/
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56
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57 uint16_t get_ambient_light_level(void)
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58 {
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59 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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60 return 800;
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61 #endif
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62
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63 return uhADCxConvertedValue;
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64 }
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65
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66
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67 static void ADCx_MspInit(ADC_HandleTypeDef *hadc)
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68 {
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69 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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70 return;
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71 #endif
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72
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73 GPIO_InitTypeDef GPIO_InitStruct;
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74
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75 ADCx_GPIO_CLK_ENABLE();
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76
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77 GPIO_InitStruct.Pin = ADCx_GPIO_PIN ;
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78 GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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79 GPIO_InitStruct.Pull = GPIO_NOPULL;
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80 HAL_GPIO_Init(ADCx_GPIO_PORT, &GPIO_InitStruct);
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81
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82 ADCx_CLK_ENABLE();
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83
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84 // HAL_NVIC_SetPriority(ADCx_IRQn, 2, 0);
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85 // HAL_NVIC_EnableIRQ(ADCx_IRQn);
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86 }
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87
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88
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89 void ADCx_DeInit(void)
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90 {
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91 // HAL_ADC_Stop_IT(&AdcHandle);
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92 HAL_ADC_DeInit(&AdcHandle);
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93 }
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94
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95
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96 void ADCx_Init(void)
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97 {
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98 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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99 return;
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100 #endif
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101
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102 ADC_ChannelConfTypeDef sConfig;
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103
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104 AdcHandle.Instance = ADCx;
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105
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106 AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4;
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107 AdcHandle.Init.Resolution = ADC_RESOLUTION12b;
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108 AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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109 AdcHandle.Init.ContinuousConvMode = DISABLE;
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110 AdcHandle.Init.DiscontinuousConvMode = DISABLE;
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111 AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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112 AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV;
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113 AdcHandle.Init.NbrOfConversion = 1;
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114 AdcHandle.Init.DMAContinuousRequests = DISABLE;
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115
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116 ADCx_MspInit(&AdcHandle);
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117 HAL_ADC_Init(&AdcHandle);
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118
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119 sConfig.Channel = ADCx_CHANNEL;
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120 sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
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121 sConfig.Rank = 1;
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122 sConfig.Offset = 0;
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123
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124 HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
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125
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126 // ADC_Start_single_IT_Conversion();
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127 }
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128
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129
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130 uint32_t adc_debug_status = 0;
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131
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132 void adc_ambient_light_sensor_get_data(void)
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133 {
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134 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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135 return;
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136 #endif
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137
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138 HAL_ADC_Start(&AdcHandle);
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139 HAL_ADC_PollForConversion(&AdcHandle, 10);
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140 adc_debug_status = HAL_ADC_GetState(&AdcHandle);
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141 if(adc_debug_status == HAL_ADC_STATE_EOC_REG + HAL_ADC_STATE_READY) // new HAL_ADC_STATE_READY 160613
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142 // if(HAL_ADC_GetState(&AdcHandle) == HAL_ADC_STATE_EOC_REG)
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143 uhADCxConvertedValue = HAL_ADC_GetValue(&AdcHandle);
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144 HAL_ADC_Stop(&AdcHandle);
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145 }
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146
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147
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148 /* Private functions ---------------------------------------------------------*/
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149 /*
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150 void ADC_Start_single_IT_Conversion(void)
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151 {
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152 HAL_ADC_Start_IT(&AdcHandle);
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153 }
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154
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155
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156 void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* AdcHandle)
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157 {
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158 extern void copyAmbientLightData(void);
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159
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160 uhADCxConvertedValue = HAL_ADC_GetValue(AdcHandle);
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161 copyAmbientLightData();
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162 ADC_Start_single_IT_Conversion();
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163 }
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164 */
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165
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166 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/