Mercurial > ~darius > hgwebdir.cgi > stm32temp
annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c @ 8:58d76cf522ff
Split out code into separate files.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Sat, 04 Feb 2012 13:29:31 +1030 |
parents | c59513fd84fb |
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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>© 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****/ |