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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2C/IOExpander/stm32f10x_it.c @ 55:b21db2b47a27

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Enable DMA mode by initing DMA channel and enabling IRQ handler.
author Daniel O'Connor <darius@dons.net.au>
date Sun, 07 Apr 2013 22:34:05 +0930
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file I2C/IOExpander/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 "main.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 I2C_IOExpander
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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 /* Private function prototypes -----------------------------------------------*/
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41 /* Private functions ---------------------------------------------------------*/
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42
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43 /******************************************************************************/
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44 /* Cortex-M3 Processor Exceptions Handlers */
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45 /******************************************************************************/
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46
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47 /**
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48 * @brief This function handles NMI exception.
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49 * @param None
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50 * @retval None
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51 */
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52 void NMI_Handler(void)
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53 {
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54 }
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55
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56 /**
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57 * @brief This function handles Hard Fault exception.
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58 * @param None
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59 * @retval None
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60 */
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61 void HardFault_Handler(void)
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62 {
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63 /* Go to infinite loop when Hard Fault exception occurs */
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64 while (1)
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65 {
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66 }
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67 }
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68
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69 /**
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70 * @brief This function handles Memory Manage exception.
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71 * @param None
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72 * @retval None
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73 */
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74 void MemManage_Handler(void)
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75 {
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76 /* Go to infinite loop when Memory Manage exception occurs */
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77 while (1)
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78 {
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79 }
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80 }
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81
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82 /**
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83 * @brief This function handles Bus Fault exception.
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84 * @param None
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85 * @retval None
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86 */
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87 void BusFault_Handler(void)
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88 {
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89 /* Go to infinite loop when Bus Fault exception occurs */
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90 while (1)
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91 {
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92 }
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93 }
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94
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95 /**
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96 * @brief This function handles Usage Fault exception.
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97 * @param None
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98 * @retval None
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99 */
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100 void UsageFault_Handler(void)
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101 {
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102 /* Go to infinite loop when Usage Fault exception occurs */
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103 while (1)
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104 {
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105 }
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106 }
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107
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108 /**
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109 * @brief This function handles SVCall exception.
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110 * @param None
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111 * @retval None
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112 */
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113 void SVC_Handler(void)
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114 {
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115 }
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116
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117 /**
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118 * @brief This function handles Debug Monitor exception.
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119 * @param None
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120 * @retval None
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121 */
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122 void DebugMon_Handler(void)
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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 * @brief This function handles PendSVC exception.
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128 * @param None
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129 * @retval None
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130 */
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131 void PendSV_Handler(void)
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132 {
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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 /* STM32F10x Peripherals Interrupt Handlers */
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138 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
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139 /* available peripheral interrupt handler's name please refer to the startup */
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140 /* file (startup_stm32f10x_xx.s). */
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141 /******************************************************************************/
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142
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143 /**
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144 * @brief This function handles External lines 15 to 10 interrupt request.
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145 * @param None
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146 * @retval None
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147 */
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148 void EXTI15_10_IRQHandler(void)
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149 {
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150 /* Checks whether the IOE EXTI line is asserted or not */
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151 if(EXTI_GetITStatus(IOE_IT_EXTI_LINE) != RESET)
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152 {
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153
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154 #ifdef IOE_INTERRUPT_MODE
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155 /* Check if the interrupt source is the Touch Screen */
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156 if (IOE_GetGITStatus(IOE_1_ADDR, IOE_TS_IT) & IOE_TS_IT)
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157 {
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158 static TS_STATE* TS_State;
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159
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160 /* Update the structure with the current position */
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161 TS_State = IOE_TS_GetState();
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162
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163 if ((TS_State->TouchDetected) && (TS_State->Y < 220) && (TS_State->Y > 180))
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164 {
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165 if ((TS_State->X > 10) && (TS_State->X < 70))
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166 {
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167 LCD_DisplayStringLine(Line6, " LD4 ");
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168 STM_EVAL_LEDOn(LED4);
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169 }
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170 else if ((TS_State->X > 90) && (TS_State->X < 150))
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171 {
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172 LCD_DisplayStringLine(Line6, " LD3 ");
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173 STM_EVAL_LEDOn(LED3);
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174 }
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175 else if ((TS_State->X > 170) && (TS_State->X < 230))
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176 {
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177 LCD_DisplayStringLine(Line6, " LD2 ");
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178 STM_EVAL_LEDOn(LED2);
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179 }
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180 else if ((TS_State->X > 250) && (TS_State->X < 310))
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181 {
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182 LCD_DisplayStringLine(Line6, " LD1 ");
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183 STM_EVAL_LEDOn(LED1);
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184 }
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185 }
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186 else
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187 {
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188 STM_EVAL_LEDOff(LED1);
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189 STM_EVAL_LEDOff(LED2);
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190 STM_EVAL_LEDOff(LED3);
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191 STM_EVAL_LEDOff(LED4);
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192 }
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193
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194 /* Clear the interrupt pending bits */
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195 IOE_ClearGITPending(IOE_1_ADDR, IOE_TS_IT);
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196 }
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197 #ifdef USE_STM3210C_EVAL
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198 else if (IOE_GetGITStatus(IOE_2_ADDR, IOE_GIT_GPIO))
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199 {
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200 static JOY_State_TypeDef JoyState = JOY_NONE;
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201
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202 /* Get the Joystick State */
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203 JoyState = IOE_JoyStickGetState();
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204
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205 switch (JoyState)
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206 {
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207 case JOY_NONE:
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208 LCD_DisplayStringLine(Line5, "JOY: IT ---- ");
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209 break;
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210 case JOY_UP:
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211 LCD_DisplayStringLine(Line5, "JOY: IT UP ");
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212 break;
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213 case JOY_DOWN:
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214 LCD_DisplayStringLine(Line5, "JOY: IT DOWN ");
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215 break;
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216 case JOY_LEFT:
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217 LCD_DisplayStringLine(Line5, "JOY: IT LEFT ");
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218 break;
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219 case JOY_RIGHT:
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220 LCD_DisplayStringLine(Line5, "JOY: IT RIGHT ");
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221 break;
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222 case JOY_CENTER:
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223 LCD_DisplayStringLine(Line5, "JOY: IT CENTER ");
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224 break;
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225 default:
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226 LCD_DisplayStringLine(Line5, "JOY: IT ERROR ");
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227 break;
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228 }
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229
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230 /* Clear the interrupt pending bits */
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231 IOE_ClearGITPending(IOE_2_ADDR, IOE_GIT_GPIO);
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232 IOE_ClearIOITPending(IOE_2_ADDR, IOE_JOY_IT);
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233 }
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234 /* CLear all pending interrupt */
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235 IOE_ClearGITPending(IOE_2_ADDR, ALL_IT);
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236 IOE_ClearIOITPending(IOE_2_ADDR, IOE_JOY_IT);
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237 #endif /* USE_STM3210C_EVAL */
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238
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239 /* CLear all pending interrupt */
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240 IOE_ClearGITPending(IOE_1_ADDR, ALL_IT);
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241
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242 #endif /* IOE_INTERRUPT_MODE */
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243
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244 EXTI_ClearITPendingBit(IOE_IT_EXTI_LINE);
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245 }
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246 }
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247
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248 /**
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249 * @}
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250 */
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251
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252
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253 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/