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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/ADC/TIMTrigger_AutoInjection/main.c @ 48:2f336d212c74

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Ignore more emacs crap.
author Daniel O'Connor <darius@dons.net.au>
date Wed, 03 Apr 2013 23:33:47 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file ADC/TIMTrigger_AutoInjection/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_TIMTrigger_AutoInjection
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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 TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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42 TIM_OCInitTypeDef TIM_OCInitStructure;
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43 __IO uint16_t ADC_RegularConvertedValueTab[32], ADC_InjectedConvertedValueTab[32];
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44
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45 /* Private function prototypes -----------------------------------------------*/
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46 void RCC_Configuration(void);
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47 void GPIO_Configuration(void);
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48 void NVIC_Configuration(void);
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49
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50 /* Private functions ---------------------------------------------------------*/
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51
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52 /**
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53 * @brief Main program
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54 * @param None
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55 * @retval None
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56 */
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57 int main(void)
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58 {
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59 /*!< At this stage the microcontroller clock setting is already configured,
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60 this is done through SystemInit() function which is called from startup
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61 file (startup_stm32f10x_xx.s) before to branch to application main.
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62 To reconfigure the default setting of SystemInit() function, refer to
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63 system_stm32f10x.c file
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64 */
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65
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66 /* System clocks configuration ---------------------------------------------*/
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67 RCC_Configuration();
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68
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69 /* NVIC configuration ------------------------------------------------------*/
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70 NVIC_Configuration();
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71
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72 /* GPIO configuration ------------------------------------------------------*/
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73 GPIO_Configuration();
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74
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75 /* TIM1 configuration ------------------------------------------------------*/
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76 /* Time Base configuration */
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77 TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
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78 TIM_TimeBaseStructure.TIM_Period = 0xFF;
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79 TIM_TimeBaseStructure.TIM_Prescaler = 0x4;
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80 TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
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81 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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82 TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
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83 /* TIM1 channel1 configuration in PWM mode */
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84 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
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85 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
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86 TIM_OCInitStructure.TIM_Pulse = 0x7F;
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87 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
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88 TIM_OC1Init(TIM1, &TIM_OCInitStructure);
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89
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90 /* DMA1 Channel1 Configuration ----------------------------------------------*/
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91 DMA_DeInit(DMA1_Channel1);
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92 DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
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93 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
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94 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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95 DMA_InitStructure.DMA_BufferSize = 32;
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96 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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97 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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98 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
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99 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
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100 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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101 DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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102 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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103 DMA_Init(DMA1_Channel1, &DMA_InitStructure);
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104
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105 /* Enable DMA1 channel1 */
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106 DMA_Cmd(DMA1_Channel1, ENABLE);
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107
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108 /* ADC1 configuration ------------------------------------------------------*/
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109 ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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110 ADC_InitStructure.ADC_ScanConvMode = DISABLE;
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111 ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
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112 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
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113 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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114 ADC_InitStructure.ADC_NbrOfChannel = 1;
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115 ADC_Init(ADC1, &ADC_InitStructure);
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116
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117 /* ADC1 regular channel14 configuration */
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118 ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_13Cycles5);
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119
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120 /* Set injected sequencer length */
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121 ADC_InjectedSequencerLengthConfig(ADC1, 1);
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122 /* ADC1 injected channel Configuration */
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123 ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_71Cycles5);
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124 /* ADC1 injected external trigger configuration */
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125 ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
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126
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127 /* Enable automatic injected conversion start after regular one */
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128 ADC_AutoInjectedConvCmd(ADC1, ENABLE);
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129
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130 /* Enable ADC1 DMA */
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131 ADC_DMACmd(ADC1, ENABLE);
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132
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133 /* Enable ADC1 external trigger */
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134 ADC_ExternalTrigConvCmd(ADC1, ENABLE);
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135
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136 /* Enable JEOC interrupt */
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137 ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
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138
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139 /* Enable ADC1 */
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140 ADC_Cmd(ADC1, ENABLE);
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141
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142 /* Enable ADC1 reset calibration register */
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143 ADC_ResetCalibration(ADC1);
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144 /* Check the end of ADC1 reset calibration register */
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145 while(ADC_GetResetCalibrationStatus(ADC1));
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146
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147 /* Start ADC1 calibration */
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148 ADC_StartCalibration(ADC1);
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149 /* Check the end of ADC1 calibration */
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150 while(ADC_GetCalibrationStatus(ADC1));
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151
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152 /* TIM1 counter enable */
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153 TIM_Cmd(TIM1, ENABLE);
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154 /* TIM1 main Output Enable */
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155 TIM_CtrlPWMOutputs(TIM1, ENABLE);
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156
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157 /* Test on channel1 transfer complete flag */
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158 while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
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159 /* Clear channel1 transfer complete flag */
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160 DMA_ClearFlag(DMA1_FLAG_TC1);
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161
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162 /* TIM1 counter disable */
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163 TIM_Cmd(TIM1, DISABLE);
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164
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165 while (1)
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166 {
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167 }
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168 }
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169
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170 /**
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171 * @brief Configures the different system clocks.
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172 * @param None
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173 * @retval None
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174 */
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175 void RCC_Configuration(void)
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176 {
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177 #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
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178 /* ADCCLK = PCLK2/2 */
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179 RCC_ADCCLKConfig(RCC_PCLK2_Div2);
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180 #else
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181 /* ADCCLK = PCLK2/4 */
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182 RCC_ADCCLKConfig(RCC_PCLK2_Div4);
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183 #endif
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184 /* Enable peripheral clocks ------------------------------------------------*/
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185 /* Enable DMA1 clock */
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186 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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187
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188 /* Enable GPIOA, GPIOC, ADC1 and TIM1 clock */
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189 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC |
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190 RCC_APB2Periph_ADC1 | RCC_APB2Periph_TIM1, ENABLE);
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191 }
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192
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193 /**
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194 * @brief Configures the different GPIO ports.
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195 * @param None
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196 * @retval None
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197 */
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198 void GPIO_Configuration(void)
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199 {
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200 GPIO_InitTypeDef GPIO_InitStructure;
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201
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202 /* Configure TIM1_CH1 (PA8) as alternate function push-pull */
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203 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
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204 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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205 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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206 GPIO_Init(GPIOA, &GPIO_InitStructure);
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207
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208 /* Configure PC.06 as output push-pull */
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209 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
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210 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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211 GPIO_Init(GPIOC, &GPIO_InitStructure);
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212
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213 /* Configure PC.01 and PC.04 (ADC Channel11 and Channel14) as analog input */
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214 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_4;
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215 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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216 GPIO_Init(GPIOC, &GPIO_InitStructure);
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217 }
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218
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219 /**
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220 * @brief Configures NVIC and Vector Table base location.
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221 * @param None
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222 * @retval None
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223 */
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224 void NVIC_Configuration(void)
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225 {
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226 NVIC_InitTypeDef NVIC_InitStructure;
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227
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228 /* Configure and enable ADC interrupt */
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229 #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
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230 NVIC_InitStructure.NVIC_IRQChannel = ADC1_IRQn;
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231 #else
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232 NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
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233 #endif
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234 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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235 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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236 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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237 NVIC_Init(&NVIC_InitStructure);
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238 }
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239
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240 #ifdef USE_FULL_ASSERT
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241
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242 /**
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243 * @brief Reports the name of the source file and the source line number
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244 * where the assert_param error has occurred.
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245 * @param file: pointer to the source file name
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246 * @param line: assert_param error line source number
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247 * @retval None
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248 */
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249 void assert_failed(uint8_t* file, uint32_t line)
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250 {
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251 /* User can add his own implementation to report the file name and line number,
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252 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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253
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254 /* Infinite loop */
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255 while (1)
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256 {
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257 }
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258 }
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259
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260 #endif
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261
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262 /**
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263 * @}
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264 */
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265
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266 /**
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267 * @}
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268 */
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269
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270 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/