1 | #include "stm8s.h"
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2 | #include "stdio.h"
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3 |
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4 | void Delay (uint16_t nCount);
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5 |
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6 | // UART
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7 | #ifdef _RAISONANCE_
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8 | #define PUTCHAR_PROTOTYPE int putchar (char c)
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9 | #define GETCHAR_PROTOTYPE int getchar (void)
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10 | #elif defined (_COSMIC_)
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11 | #define PUTCHAR_PROTOTYPE char putchar (char c)
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12 | #define GETCHAR_PROTOTYPE char getchar (void)
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13 | #else /* _IAR_ */
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14 | #define PUTCHAR_PROTOTYPE int putchar (int c)
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15 | #define GETCHAR_PROTOTYPE int getchar (void)
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16 | #endif /* _RAISONANCE_ */
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17 |
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18 | void main(void)
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19 | {
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20 | uint16_t CCR3_Val = 5;
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21 |
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22 | // UART definition
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23 | char ans;
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24 | CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); // High speed internal clock prescaler: 1
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25 | UART1_DeInit();
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26 | /* UART1 configuration ------------------------------------------------------*/
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27 | /* UART1 configured as follow:
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28 | - BaudRate = 115200 baud
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29 | - Word Length = 8 Bits
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30 | - One Stop Bit
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31 | - No parity
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32 | - Receive and transmit enabled
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33 | - UART1 Clock disabled
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34 | */
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35 | UART1_Init((uint32_t)115200, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO,
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36 | UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
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37 |
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38 |
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39 |
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40 | // PWM output
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41 | TIM2_TimeBaseInit(TIM2_PRESCALER_1, 99); //Time base configuration
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42 | TIM2_OC3Init(TIM2_OCMODE_PWM1, TIM2_OUTPUTSTATE_ENABLE,CCR3_Val, TIM2_OCPOLARITY_HIGH); //PWM1 Mode configuration: Channel3
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43 |
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44 | TIM2_OC3PreloadConfig(ENABLE);
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45 | TIM2_ARRPreloadConfig(ENABLE);
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46 | TIM2_Cmd(ENABLE); //TIM2 enable counter
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47 |
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48 |
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49 |
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50 | // init LED GPIO
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51 | GPIO_Init(GPIOB, (GPIO_Pin_TypeDef)GPIO_PIN_5, GPIO_MODE_OUT_PP_LOW_FAST);
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52 |
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53 | while (1)
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54 | {
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55 | GPIO_WriteReverse(GPIOB, (GPIO_Pin_TypeDef)GPIO_PIN_5); // Toggles LED
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56 | Delay(0xFFFF);
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57 |
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58 | ans = getchar();
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59 | printf("%c", ans);
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60 |
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61 | }
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62 |
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63 | }
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64 | void Delay(uint16_t nCount)
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65 | {
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66 | /* Decrement nCount value */
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67 | while (nCount != 0)
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68 | {
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69 | nCount--;
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70 | }
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71 | }
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72 |
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73 | PUTCHAR_PROTOTYPE
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74 | {
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75 | /* Write a character to the UART1 */
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76 | UART1_SendData8(c);
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77 | /* Loop until the end of transmission */
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78 | while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
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79 |
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80 | return (c);
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81 | }
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82 |
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83 | /**
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84 | * @brief Retargets the C library scanf function to the USART.
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85 | * @param None
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86 | * @retval char Character to Read
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87 | */
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88 | GETCHAR_PROTOTYPE
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89 | {
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90 | #ifdef _COSMIC_
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91 | char c = 0;
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92 | #else
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93 | int c = 0;
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94 | #endif
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95 | /* Loop until the Read data register flag is SET */
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96 | while (UART1_GetFlagStatus(UART1_FLAG_RXNE) == RESET);
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97 | c = UART1_ReceiveData8();
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98 | return (c);
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99 | }
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100 |
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101 | #ifdef USE_FULL_ASSERT
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102 |
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103 | /**
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104 | * @brief Reports the name of the source file and the source line number
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105 | * where the assert_param error has occurred.
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106 | * @param file: pointer to the source file name
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107 | * @param line: assert_param error line source number
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108 | * @retval None
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109 | */
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110 | void assert_failed(uint8_t* file, uint32_t line)
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111 | {
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112 | /* User can add his own implementation to report the file name and line number,
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113 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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114 |
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115 | /* Infinite loop */
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116 | while (1)
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117 | {
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118 | }
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119 | }
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120 | #endif
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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 |
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126 |
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127 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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