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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/main.c @ 89:fc21fb5b171b default tip

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Make error message more useful
author Daniel O'Connor <darius@dons.net.au>
date Fri, 13 Mar 2015 11:39:59 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file USART/HyperTerminal_Interrupt/main.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 program body
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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17 *
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18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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19 ******************************************************************************
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20 */
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21
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22 /* Includes ------------------------------------------------------------------*/
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23 #include "stm32f10x.h"
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24 #include "stm32_eval.h"
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25
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26 /** @addtogroup STM32F10x_StdPeriph_Examples
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27 * @{
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28 */
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29
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30 /** @addtogroup USART_HyperTerminal_Interrupt
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31 * @{
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32 */
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33
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34 /* Private typedef -----------------------------------------------------------*/
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35 /* Private define ------------------------------------------------------------*/
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36 #ifdef USE_STM3210C_EVAL
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37 #define USARTx_IRQn USART2_IRQn
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38 #else
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39 #define USARTx_IRQn USART1_IRQn
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40 #endif
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41
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42 /* Private macro -------------------------------------------------------------*/
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43 /* Private variables ---------------------------------------------------------*/
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44 USART_InitTypeDef USART_InitStructure;
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45
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46 /* Private function prototypes -----------------------------------------------*/
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47 void NVIC_Configuration(void);
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48
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49 /* Private functions ---------------------------------------------------------*/
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50
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51 /**
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52 * @brief Main program
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53 * @param None
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54 * @retval None
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55 */
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56 int main(void)
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57 {
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58 /*!< At this stage the microcontroller clock setting is already configured,
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59 this is done through SystemInit() function which is called from startup
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60 file (startup_stm32f10x_xx.s) before to branch to application main.
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61 To reconfigure the default setting of SystemInit() function, refer to
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62 system_stm32f10x.c file
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63 */
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64
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65 /* NVIC configuration */
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66 NVIC_Configuration();
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67
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68 /* USARTx configuration ------------------------------------------------------*/
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69 /* USARTx configured as follow:
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70 - BaudRate = 9600 baud
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71 - Word Length = 8 Bits
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72 - Two Stop Bit
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73 - Odd parity
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74 - Hardware flow control disabled (RTS and CTS signals)
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75 - Receive and transmit enabled
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76 */
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77 USART_InitStructure.USART_BaudRate = 9600;
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78 USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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79 USART_InitStructure.USART_StopBits = USART_StopBits_2;
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80 USART_InitStructure.USART_Parity = USART_Parity_Odd;
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81 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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82 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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83
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84 STM_EVAL_COMInit(COM1, &USART_InitStructure);
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85
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86 /* Enable the EVAL_COM1 Transmit interrupt: this interrupt is generated when the
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87 EVAL_COM1 transmit data register is empty */
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88 USART_ITConfig(EVAL_COM1, USART_IT_TXE, ENABLE);
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89
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90 /* Enable the EVAL_COM1 Receive interrupt: this interrupt is generated when the
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91 EVAL_COM1 receive data register is not empty */
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92 USART_ITConfig(EVAL_COM1, USART_IT_RXNE, ENABLE);
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93
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94 while (1)
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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 /**
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100 * @brief Configures the nested vectored interrupt controller.
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101 * @param None
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102 * @retval None
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103 */
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104 void NVIC_Configuration(void)
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105 {
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106 NVIC_InitTypeDef NVIC_InitStructure;
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107
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108 /* Enable the USARTx Interrupt */
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109 NVIC_InitStructure.NVIC_IRQChannel = USARTx_IRQn;
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110 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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111 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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112 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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113 NVIC_Init(&NVIC_InitStructure);
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114 }
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115
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116 #ifdef USE_FULL_ASSERT
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117
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118 /**
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119 * @brief Reports the name of the source file and the source line number
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120 * where the assert_param error has occurred.
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121 * @param file: pointer to the source file name
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122 * @param line: assert_param error line source number
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123 * @retval None
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124 */
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125 void assert_failed(uint8_t* file, uint32_t line)
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126 {
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127 /* User can add his own implementation to report the file name and line number,
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128 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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129
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130 /* Infinite loop */
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131 while (1)
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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 #endif
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137
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138 /**
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139 * @}
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140 */
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141
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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 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/