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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/NVIC/IRQ_Mask/stm32f10x_it.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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1 /** |
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2 ****************************************************************************** |
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3 * @file NVIC/IRQ_Mask/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 |
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9 * peripherals 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 IRQ_Mask |
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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 /* Private macro -------------------------------------------------------------*/ |
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39 /* Private variables ---------------------------------------------------------*/ |
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40 __IO uint32_t index = 0; |
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41 |
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42 /* Private function prototypes -----------------------------------------------*/ |
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43 /* Private functions ---------------------------------------------------------*/ |
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44 |
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45 /******************************************************************************/ |
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46 /* Cortex-M3 Processor Exceptions Handlers */ |
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47 /******************************************************************************/ |
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48 |
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49 /** |
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50 * @brief This function handles NMI exception. |
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51 * @param None |
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52 * @retval None |
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53 */ |
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54 void NMI_Handler(void) |
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55 { |
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56 } |
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57 |
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58 /** |
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59 * @brief This function handles Hard Fault exception. |
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60 * @param None |
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61 * @retval None |
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62 */ |
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63 void HardFault_Handler(void) |
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64 { |
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65 /* Go to infinite loop when Hard Fault exception occurs */ |
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66 while (1) |
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67 { |
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68 } |
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69 } |
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70 |
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71 /** |
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72 * @brief This function handles Memory Manage exception. |
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73 * @param None |
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74 * @retval None |
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75 */ |
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76 void MemManage_Handler(void) |
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77 { |
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78 /* Go to infinite loop when Memory Manage exception occurs */ |
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79 while (1) |
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80 { |
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81 } |
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82 } |
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83 |
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84 /** |
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85 * @brief This function handles Bus Fault exception. |
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86 * @param None |
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87 * @retval None |
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88 */ |
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89 void BusFault_Handler(void) |
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90 { |
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91 /* Go to infinite loop when Bus Fault exception occurs */ |
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92 while (1) |
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93 { |
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94 } |
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95 } |
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96 |
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97 /** |
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98 * @brief This function handles Usage Fault exception. |
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99 * @param None |
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100 * @retval None |
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101 */ |
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102 void UsageFault_Handler(void) |
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103 { |
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104 /* Go to infinite loop when Usage Fault exception occurs */ |
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105 while (1) |
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106 { |
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107 } |
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108 } |
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109 |
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110 /** |
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111 * @brief This function handles SVCall exception. |
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112 * @param None |
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113 * @retval None |
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114 */ |
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115 void SVC_Handler(void) |
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116 { |
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117 } |
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118 |
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119 /** |
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120 * @brief This function handles Debug Monitor exception. |
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121 * @param None |
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122 * @retval None |
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123 */ |
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124 void DebugMon_Handler(void) |
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125 { |
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126 } |
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127 |
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128 /** |
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129 * @brief This function handles PendSV_Handler exception. |
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130 * @param None |
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131 * @retval None |
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132 */ |
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133 void PendSV_Handler(void) |
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134 { |
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135 } |
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136 |
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137 /** |
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138 * @brief This function handles SysTick Handler. |
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139 * @param None |
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140 * @retval None |
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141 */ |
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142 void SysTick_Handler(void) |
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143 { |
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144 } |
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145 |
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146 /******************************************************************************/ |
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147 /* STM32F10x Peripherals Interrupt Handlers */ |
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148 /******************************************************************************/ |
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149 |
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150 /** |
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151 * @brief This function handles EXTI Lines 0 interrupt request. |
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152 * @param None |
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153 * @retval None |
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154 */ |
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155 void EXTI0_IRQHandler(void) |
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156 { |
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157 if(EXTI_GetITStatus(WAKEUP_BUTTON_EXTI_LINE) != RESET) |
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158 { |
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159 if(index == 0) |
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160 { |
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161 /* Configure the BASEPRI register to 0x40 (Preemption priority = 1). |
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162 Only IRQ with higher preemption priority than 1 are permitted. |
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163 This will mask TIM3 and TIM4 IRQ from generation. */ |
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164 __set_BASEPRI(0x40); |
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165 index++; |
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166 } |
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167 else |
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168 { |
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169 /* Configure the BASEPRI register to 0x00 (Preemption priority = 0). |
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170 When this BASEPRI register is set to 0, it has no effect on the current |
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171 priority. |
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172 TIM2, TIM3 and TIM4 generation is controlled by NVIC priority registers. */ |
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173 __set_BASEPRI(0x00); |
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174 index = 0; |
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175 } |
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176 /* Clears the SEL Button EXTI line pending bits. */ |
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177 EXTI_ClearITPendingBit(WAKEUP_BUTTON_EXTI_LINE); |
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178 } |
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179 } |
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180 |
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181 /** |
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182 * @brief This function handles TIM2 global interrupt request. |
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183 * @param None |
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184 * @retval None |
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185 */ |
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186 void TIM2_IRQHandler(void) |
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187 { |
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188 /* Clear TIM2 update interrupt */ |
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189 TIM_ClearITPendingBit(TIM2, TIM_IT_Update); |
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190 |
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191 /* Toggle LED1 */ |
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192 STM_EVAL_LEDToggle(LED1); |
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193 } |
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194 |
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195 /** |
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196 * @brief This function handles TIM3 global interrupt request. |
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197 * @param None |
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198 * @retval None |
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199 */ |
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200 void TIM3_IRQHandler(void) |
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201 { |
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202 /* Clear TIM3 update interrupt */ |
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203 TIM_ClearITPendingBit(TIM3, TIM_IT_Update); |
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204 |
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205 /* Toggle LED2 */ |
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206 STM_EVAL_LEDToggle(LED2); |
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207 } |
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208 |
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209 /** |
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210 * @brief This function handles TIM4 global interrupt request. |
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211 * @param None |
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212 * @retval None |
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213 */ |
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214 void TIM4_IRQHandler(void) |
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215 { |
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216 /* Clear TIM4 update interrupt */ |
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217 TIM_ClearITPendingBit(TIM4, TIM_IT_Update); |
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218 |
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219 /* Toggle LED3 */ |
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220 STM_EVAL_LEDToggle(LED3); |
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221 } |
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222 |
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223 /******************************************************************************/ |
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224 /* STM32F10x Peripherals Interrupt Handlers */ |
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225 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ |
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226 /* available peripheral interrupt handler's name please refer to the startup */ |
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227 /* file (startup_stm32f10x_xx.s). */ |
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228 /******************************************************************************/ |
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229 |
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230 /** |
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231 * @brief This function handles PPP interrupt request. |
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232 * @param None |
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233 * @retval None |
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234 */ |
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235 /*void PPP_IRQHandler(void) |
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236 { |
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237 }*/ |
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238 |
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239 /** |
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240 * @} |
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241 */ |
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242 |
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243 /** |
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244 * @} |
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245 */ |
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246 |
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247 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |