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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c @ 8:58d76cf522ff

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Split out code into separate files.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 04 Feb 2012 13:29:31 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file USART/HyperTerminal_Interrupt/stm32f10x_it.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 Interrupt Service Routines.
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8 * This file provides template for all exceptions handler and peripherals
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9 * interrupt service routine.
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10 ******************************************************************************
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11 * @attention
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12 *
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13 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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14 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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15 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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16 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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17 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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18 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 *
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20 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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21 ******************************************************************************
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22 */
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23
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24 /* Includes ------------------------------------------------------------------*/
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25 #include "stm32f10x_it.h"
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26 #include "stm32_eval.h"
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27
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28 /** @addtogroup STM32F10x_StdPeriph_Examples
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29 * @{
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30 */
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31
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32 /** @addtogroup USART_HyperTerminal_Interrupt
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33 * @{
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34 */
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35
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36 /* Private typedef -----------------------------------------------------------*/
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37 /* Private define ------------------------------------------------------------*/
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38 #ifdef USE_STM3210C_EVAL
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39 #define USARTx_IRQHandler USART2_IRQHandler
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40 #else
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41 #define USARTx_IRQHandler USART1_IRQHandler
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42 #endif
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43
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44 #define TxBufferSize (countof(TxBuffer) - 1)
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45 #define RxBufferSize 0x20
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46
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47 /* Private macro -------------------------------------------------------------*/
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48 #define countof(a) (sizeof(a) / sizeof(*(a)))
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49
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50 /* Private variables ---------------------------------------------------------*/
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51 uint8_t TxBuffer[] = "\n\rUSART Hyperterminal Interrupts Example: USART-Hyperterminal\
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52 communication using Interrupt\n\r";
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53 uint8_t RxBuffer[RxBufferSize];
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54 uint8_t NbrOfDataToTransfer = TxBufferSize;
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55 uint8_t NbrOfDataToRead = RxBufferSize;
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56 uint8_t TxCounter = 0;
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57 uint16_t RxCounter = 0;
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58
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59 /* Private function prototypes -----------------------------------------------*/
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60 /* Private functions ---------------------------------------------------------*/
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61
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62 /******************************************************************************/
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63 /* Cortex-M3 Processor Exceptions Handlers */
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64 /******************************************************************************/
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65
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66 /**
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67 * @brief This function handles NMI exception.
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68 * @param None
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69 * @retval None
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70 */
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71 void NMI_Handler(void)
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72 {
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73 }
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74
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75 /**
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76 * @brief This function handles Hard Fault exception.
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77 * @param None
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78 * @retval None
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79 */
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80 void HardFault_Handler(void)
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81 {
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82 /* Go to infinite loop when Hard Fault exception occurs */
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83 while (1)
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84 {
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85 }
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86 }
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87
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88 /**
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89 * @brief This function handles Memory Manage exception.
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90 * @param None
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91 * @retval None
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92 */
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93 void MemManage_Handler(void)
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94 {
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95 /* Go to infinite loop when Memory Manage exception occurs */
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96 while (1)
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97 {
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98 }
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99 }
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100
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101 /**
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102 * @brief This function handles Bus Fault exception.
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103 * @param None
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104 * @retval None
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105 */
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106 void BusFault_Handler(void)
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107 {
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108 /* Go to infinite loop when Bus Fault exception occurs */
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109 while (1)
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110 {
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111 }
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112 }
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113
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114 /**
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115 * @brief This function handles Usage Fault exception.
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116 * @param None
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117 * @retval None
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118 */
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119 void UsageFault_Handler(void)
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120 {
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121 /* Go to infinite loop when Usage Fault exception occurs */
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122 while (1)
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123 {
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124 }
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125 }
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126
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127 /**
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128 * @brief This function handles SVCall exception.
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129 * @param None
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130 * @retval None
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131 */
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132 void SVC_Handler(void)
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133 {
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134 }
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135
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136 /**
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137 * @brief This function handles Debug Monitor exception.
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138 * @param None
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139 * @retval None
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140 */
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141 void DebugMon_Handler(void)
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142 {
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143 }
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144
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145 /**
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146 * @brief This function handles PendSV_Handler exception.
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147 * @param None
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148 * @retval None
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149 */
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150 void PendSV_Handler(void)
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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 * @brief This function handles SysTick Handler.
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156 * @param None
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157 * @retval None
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158 */
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159 void SysTick_Handler(void)
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160 {
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161 }
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162
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163 /******************************************************************************/
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164 /* STM32F10x Peripherals Interrupt Handlers */
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165 /******************************************************************************/
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166
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167 /**
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168 * @brief This function handles USARTx global interrupt request.
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169 * @param None
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170 * @retval None
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171 */
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172 void USARTx_IRQHandler(void)
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173 {
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174 if(USART_GetITStatus(EVAL_COM1, USART_IT_RXNE) != RESET)
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175 {
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176 /* Read one byte from the receive data register */
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177 RxBuffer[RxCounter++] = (USART_ReceiveData(EVAL_COM1) & 0x7F);
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178
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179 if(RxCounter == NbrOfDataToRead)
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180 {
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181 /* Disable the EVAL_COM1 Receive interrupt */
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182 USART_ITConfig(EVAL_COM1, USART_IT_RXNE, DISABLE);
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183 }
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184 }
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185
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186 if(USART_GetITStatus(EVAL_COM1, USART_IT_TXE) != RESET)
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187 {
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188 /* Write one byte to the transmit data register */
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189 USART_SendData(EVAL_COM1, TxBuffer[TxCounter++]);
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190
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191 if(TxCounter == NbrOfDataToTransfer)
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192 {
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193 /* Disable the EVAL_COM1 Transmit interrupt */
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194 USART_ITConfig(EVAL_COM1, USART_IT_TXE, DISABLE);
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195 }
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196 }
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197 }
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198
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199 /******************************************************************************/
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200 /* STM32F10x Peripherals Interrupt Handlers */
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201 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
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202 /* available peripheral interrupt handler's name please refer to the startup */
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203 /* file (startup_stm32f10x_xx.s). */
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204 /******************************************************************************/
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205
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206 /**
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207 * @brief This function handles PPP interrupt request.
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208 * @param None
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209 * @retval None
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210 */
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211 /*void PPP_IRQHandler(void)
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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 /**
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220 * @}
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221 */
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222
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223 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/