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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/RCC/RCC_ClockConfig/stm32f10x_it.c @ 89:fc21fb5b171b default tip
Make error message more useful
author | Daniel O'Connor <darius@dons.net.au> |
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date | Fri, 13 Mar 2015 11:39:59 +1030 |
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1 /** |
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2 ****************************************************************************** |
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3 * @file RCC/RCC_ClockConfig/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 "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 RCC_ClockConfig |
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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 /* This interrupt is generated when HSE clock fails */ |
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55 |
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56 if (RCC_GetITStatus(RCC_IT_CSS) != RESET) |
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57 {/* At this stage: HSE, PLL are disabled (but no change on PLL config) and HSI |
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58 is selected as system clock source */ |
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59 |
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60 /* Enable HSE */ |
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61 RCC_HSEConfig(RCC_HSE_ON); |
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62 |
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63 /* Enable HSE Ready interrupt */ |
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64 RCC_ITConfig(RCC_IT_HSERDY, ENABLE); |
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65 |
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66 #ifndef SYSCLK_HSE |
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67 #ifdef STM32F10X_CL |
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68 /* Enable PLL and PLL2 Ready interrupts */ |
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69 RCC_ITConfig(RCC_IT_PLLRDY | RCC_IT_PLL2RDY, ENABLE); |
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70 #else |
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71 /* Enable PLL Ready interrupt */ |
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72 RCC_ITConfig(RCC_IT_PLLRDY, ENABLE); |
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73 #endif /* STM32F10X_CL */ |
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74 #endif /* SYSCLK_HSE */ |
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75 |
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76 /* Clear Clock Security System interrupt pending bit */ |
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77 RCC_ClearITPendingBit(RCC_IT_CSS); |
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78 |
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79 /* Once HSE clock recover, the HSERDY interrupt is generated and in the RCC ISR |
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80 routine the system clock will be reconfigured to its previous state (before |
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81 HSE clock failure) */ |
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82 } |
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83 } |
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84 |
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85 /** |
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86 * @brief This function handles Hard Fault exception. |
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87 * @param None |
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88 * @retval None |
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89 */ |
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90 void HardFault_Handler(void) |
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91 { |
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92 /* Go to infinite loop when Hard Fault exception occurs */ |
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93 while (1) |
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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 /** |
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99 * @brief This function handles Memory Manage exception. |
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100 * @param None |
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101 * @retval None |
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102 */ |
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103 void MemManage_Handler(void) |
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104 { |
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105 /* Go to infinite loop when Memory Manage exception occurs */ |
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106 while (1) |
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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 /** |
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112 * @brief This function handles Bus Fault exception. |
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113 * @param None |
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114 * @retval None |
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115 */ |
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116 void BusFault_Handler(void) |
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117 { |
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118 /* Go to infinite loop when Bus Fault exception occurs */ |
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119 while (1) |
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120 { |
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121 } |
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122 } |
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123 |
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124 /** |
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125 * @brief This function handles Usage Fault exception. |
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126 * @param None |
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127 * @retval None |
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128 */ |
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129 void UsageFault_Handler(void) |
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130 { |
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131 /* Go to infinite loop when Usage Fault exception occurs */ |
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132 while (1) |
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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 /** |
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138 * @brief This function handles SVCall exception. |
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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 SVC_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 * @brief This function handles Debug Monitor exception. |
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148 * @param None |
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149 * @retval None |
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150 */ |
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151 void DebugMon_Handler(void) |
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152 { |
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153 } |
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154 |
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155 /** |
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156 * @brief This function handles PendSV_Handler exception. |
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157 * @param None |
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158 * @retval None |
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159 */ |
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160 void PendSV_Handler(void) |
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161 { |
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162 } |
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163 |
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164 /** |
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165 * @brief This function handles SysTick Handler. |
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166 * @param None |
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167 * @retval None |
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168 */ |
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169 void SysTick_Handler(void) |
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170 { |
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171 } |
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172 |
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173 /******************************************************************************/ |
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174 /* STM32F10x Peripherals Interrupt Handlers */ |
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175 /******************************************************************************/ |
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176 |
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177 /** |
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178 * @brief This function handles RCC interrupt request. |
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179 * @param None |
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180 * @retval None |
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181 */ |
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182 void RCC_IRQHandler(void) |
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183 { |
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184 if(RCC_GetITStatus(RCC_IT_HSERDY) != RESET) |
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185 { |
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186 /* Clear HSERDY interrupt pending bit */ |
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187 RCC_ClearITPendingBit(RCC_IT_HSERDY); |
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188 |
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189 /* Check if the HSE clock is still available */ |
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190 if (RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET) |
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191 { |
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192 #ifdef SYSCLK_HSE |
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193 /* Select HSE as system clock source */ |
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194 RCC_SYSCLKConfig(RCC_SYSCLKSource_HSE); |
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195 #else |
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196 #ifdef STM32F10X_CL |
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197 /* Enable PLL2 */ |
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198 RCC_PLL2Cmd(ENABLE); |
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199 #else |
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200 /* Enable PLL: once the PLL is ready the PLLRDY interrupt is generated */ |
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201 RCC_PLLCmd(ENABLE); |
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202 #endif /* STM32F10X_CL */ |
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203 #endif /* SYSCLK_HSE */ |
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204 } |
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205 } |
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206 |
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207 #ifdef STM32F10X_CL |
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208 if(RCC_GetITStatus(RCC_IT_PLL2RDY) != RESET) |
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209 { |
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210 /* Clear PLL2RDY interrupt pending bit */ |
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211 RCC_ClearITPendingBit(RCC_IT_PLL2RDY); |
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212 |
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213 /* Enable PLL: once the PLL is ready the PLLRDY interrupt is generated */ |
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214 RCC_PLLCmd(ENABLE); |
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215 } |
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216 #endif /* STM32F10X_CL */ |
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217 |
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218 if(RCC_GetITStatus(RCC_IT_PLLRDY) != RESET) |
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219 { |
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220 /* Clear PLLRDY interrupt pending bit */ |
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221 RCC_ClearITPendingBit(RCC_IT_PLLRDY); |
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222 |
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223 /* Check if the PLL is still locked */ |
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224 if (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) != RESET) |
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Initial commit of STM32 test code.
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225 { |
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226 /* Select PLL as system clock source */ |
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227 RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); |
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|
228 } |
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229 } |
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Initial commit of STM32 test code.
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|
230 } |
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Initial commit of STM32 test code.
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231 |
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Initial commit of STM32 test code.
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232 /******************************************************************************/ |
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233 /* STM32F10x Peripherals Interrupt Handlers */ |
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234 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ |
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235 /* available peripheral interrupt handler's name please refer to the startup */ |
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236 /* file (startup_stm32f10x_xx.s). */ |
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237 /******************************************************************************/ |
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238 |
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Initial commit of STM32 test code.
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|
239 /** |
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240 * @brief This function handles PPP interrupt request. |
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Initial commit of STM32 test code.
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241 * @param None |
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Initial commit of STM32 test code.
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|
242 * @retval None |
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Initial commit of STM32 test code.
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|
243 */ |
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244 /*void PPP_IRQHandler(void) |
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|
245 { |
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Initial commit of STM32 test code.
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|
246 }*/ |
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247 |
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Initial commit of STM32 test code.
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248 /** |
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249 * @} |
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Initial commit of STM32 test code.
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|
250 */ |
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Initial commit of STM32 test code.
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|
251 |
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Initial commit of STM32 test code.
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|
252 /** |
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Initial commit of STM32 test code.
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253 * @} |
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Initial commit of STM32 test code.
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|
254 */ |
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Initial commit of STM32 test code.
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|
255 |
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Initial commit of STM32 test code.
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|
256 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |