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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/ADC/RegSimul_DualMode/main.c @ 89:fc21fb5b171b default tip

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author Daniel O'Connor <darius@dons.net.au>
date Fri, 13 Mar 2015 11:39:59 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file ADC/RegSimul_DualMode/main.c
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4 * @author MCD Application Team
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5 * @version V3.5.0
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6 * @date 08-April-2011
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7 * @brief Main program body
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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17 *
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18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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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 #include "stm32f10x.h"
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24
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25 /** @addtogroup STM32F10x_StdPeriph_Examples
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26 * @{
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27 */
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28
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29 /** @addtogroup ADC_RegSimul_DualMode
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30 * @{
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31 */
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32
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33 /* Private typedef -----------------------------------------------------------*/
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34 /* Private define ------------------------------------------------------------*/
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35 #define ADC1_DR_Address ((uint32_t)0x4001244C)
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36
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37 /* Private macro -------------------------------------------------------------*/
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38 /* Private variables ---------------------------------------------------------*/
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39 ADC_InitTypeDef ADC_InitStructure;
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40 DMA_InitTypeDef DMA_InitStructure;
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41 __IO uint32_t ADC_DualConvertedValueTab[16];
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42
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43 /* Private function prototypes -----------------------------------------------*/
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44 void RCC_Configuration(void);
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45 void GPIO_Configuration(void);
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46
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47 /* Private functions ---------------------------------------------------------*/
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48
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49 /**
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50 * @brief Main program
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51 * @param None
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52 * @retval None
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53 */
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54 int main(void)
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55 {
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56 /*!< At this stage the microcontroller clock setting is already configured,
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57 this is done through SystemInit() function which is called from startup
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58 file (startup_stm32f10x_xx.s) before to branch to application main.
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59 To reconfigure the default setting of SystemInit() function, refer to
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60 system_stm32f10x.c file
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61 */
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62
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63 /* System clocks configuration ---------------------------------------------*/
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64 RCC_Configuration();
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65
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66 /* GPIO configuration ------------------------------------------------------*/
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67 GPIO_Configuration();
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68
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69 /* DMA1 channel1 configuration ----------------------------------------------*/
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70 DMA_DeInit(DMA1_Channel1);
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71 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
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72 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_DualConvertedValueTab;
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73 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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74 DMA_InitStructure.DMA_BufferSize = 16;
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75 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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76 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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77 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
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78 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
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79 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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80 DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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81 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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82 DMA_Init(DMA1_Channel1, &DMA_InitStructure);
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83 /* Enable DMA1 Channel1 */
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84 DMA_Cmd(DMA1_Channel1, ENABLE);
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85
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86 /* ADC1 configuration ------------------------------------------------------*/
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87 ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
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88 ADC_InitStructure.ADC_ScanConvMode = ENABLE;
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89 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
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90 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
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91 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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92 ADC_InitStructure.ADC_NbrOfChannel = 2;
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93 ADC_Init(ADC1, &ADC_InitStructure);
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94 /* ADC1 regular channels configuration */
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95 ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_239Cycles5);
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96 ADC_RegularChannelConfig(ADC1, ADC_Channel_17, 2, ADC_SampleTime_239Cycles5);
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97 /* Enable ADC1 DMA */
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98 ADC_DMACmd(ADC1, ENABLE);
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99
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100 /* ADC2 configuration ------------------------------------------------------*/
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101 ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
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102 ADC_InitStructure.ADC_ScanConvMode = ENABLE;
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103 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
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104 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
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105 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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106 ADC_InitStructure.ADC_NbrOfChannel = 2;
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107 ADC_Init(ADC2, &ADC_InitStructure);
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108 /* ADC2 regular channels configuration */
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109 ADC_RegularChannelConfig(ADC2, ADC_Channel_11, 1, ADC_SampleTime_239Cycles5);
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110 ADC_RegularChannelConfig(ADC2, ADC_Channel_12, 2, ADC_SampleTime_239Cycles5);
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111 /* Enable ADC2 external trigger conversion */
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112 ADC_ExternalTrigConvCmd(ADC2, ENABLE);
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113
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114 /* Enable ADC1 */
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115 ADC_Cmd(ADC1, ENABLE);
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116 /* Enable Vrefint channel17 */
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117 ADC_TempSensorVrefintCmd(ENABLE);
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118
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119 /* Enable ADC1 reset calibration register */
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120 ADC_ResetCalibration(ADC1);
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121 /* Check the end of ADC1 reset calibration register */
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122 while(ADC_GetResetCalibrationStatus(ADC1));
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123
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124 /* Start ADC1 calibration */
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125 ADC_StartCalibration(ADC1);
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126 /* Check the end of ADC1 calibration */
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127 while(ADC_GetCalibrationStatus(ADC1));
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128
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129 /* Enable ADC2 */
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130 ADC_Cmd(ADC2, ENABLE);
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131
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132 /* Enable ADC2 reset calibration register */
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133 ADC_ResetCalibration(ADC2);
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134 /* Check the end of ADC2 reset calibration register */
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135 while(ADC_GetResetCalibrationStatus(ADC2));
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136
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137 /* Start ADC2 calibration */
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138 ADC_StartCalibration(ADC2);
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139 /* Check the end of ADC2 calibration */
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140 while(ADC_GetCalibrationStatus(ADC2));
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141
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142 /* Start ADC1 Software Conversion */
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143 ADC_SoftwareStartConvCmd(ADC1, ENABLE);
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144
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145 /* Test on DMA1 channel1 transfer complete flag */
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146 while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
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147 /* Clear DMA1 channel1 transfer complete flag */
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148 DMA_ClearFlag(DMA1_FLAG_TC1);
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149
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150 while (1)
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151 {
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152 }
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153 }
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154
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155 /**
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156 * @brief Configures the different system clocks.
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157 * @param None
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158 * @retval None
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159 */
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160 void RCC_Configuration(void)
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161 {
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162 /* ADCCLK = PCLK2/4 */
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163 RCC_ADCCLKConfig(RCC_PCLK2_Div4);
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164 /* Enable peripheral clocks ------------------------------------------------*/
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165 /* Enable DMA1 clock */
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166 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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167
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168 /* Enable ADC1, ADC2 and GPIOC clock */
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169 RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 |
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170 RCC_APB2Periph_GPIOC, ENABLE);
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171 }
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172
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173 /**
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174 * @brief Configures the different GPIO ports.
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175 * @param None
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176 * @retval None
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177 */
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178 void GPIO_Configuration(void)
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179 {
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180 GPIO_InitTypeDef GPIO_InitStructure;
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181
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182 /* Configure PC.01, PC.02 and PC.04 (ADC Channel11, Channel12 and Channel14)
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183 as analog input ----------------------------------------------------------*/
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184 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_4;
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185 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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186 GPIO_Init(GPIOC, &GPIO_InitStructure);
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187 }
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188
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189 #ifdef USE_FULL_ASSERT
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190
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191 /**
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192 * @brief Reports the name of the source file and the source line number
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193 * where the assert_param error has occurred.
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194 * @param file: pointer to the source file name
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195 * @param line: assert_param error line source number
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196 * @retval None
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197 */
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198 void assert_failed(uint8_t* file, uint32_t line)
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199 {
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200 /* User can add his own implementation to report the file name and line number,
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201 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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202
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203 /* Infinite loop */
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204 while (1)
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205 {
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206 }
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207 }
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208
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209 #endif
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210
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211 /**
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212 * @}
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213 */
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214
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215 /**
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216 * @}
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217 */
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218
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219 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/