Files
stm8stest/oldtest/main.c

130 lines
3.2 KiB
C

#include "main.h"
//#include "stdio.h"
uint32_t ms_passed = 0;
PUTCHAR_PROTOTYPE;
void puts(const char *s) {
const char* p = s;
while (*p != '\0') putchar(*p++);
}
void main(void)
{
/*High speed internal clock prescaler: 1*/
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
UART1_DeInit();
/* UART1 configuration ------------------------------------------------------*/
/* UART1 configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Receive and transmit enabled
- UART1 Clock disabled
*/
UART1_Init((uint32_t)115200, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO,
UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
puts("Demotest\n\r");
// uint8_t *uniqueid = (uint8_t*)0x4865;
// puts("\n\rUnique ID: ");
// for (int i = 0; i < 12; i++) {
// if(i > 0) printf(":");
// printf("%02X", uniqueid[i]);
// }
// puts("\n\r");
/* Initialize Interrupt*/
GPIO_Init(GPIOB, GPIO_PIN_4, GPIO_MODE_IN_PU_IT);
EXTI_SetExtIntSensitivity(EXTI_PORT_GPIOB, EXTI_SENSITIVITY_FALL_ONLY);
EXTI_SetTLISensitivity(EXTI_TLISENSITIVITY_FALL_ONLY);
enableInterrupts();
/* Initialize I/Os in Output Mode */
GPIO_Init(LED_GPIO_PORT, (GPIO_Pin_TypeDef)LED_GPIO_PINS, GPIO_MODE_OUT_PP_LOW_FAST);
/* Show the system is working properly */
GPIO_WriteHigh(LED_GPIO_PORT, LED_GPIO_PINS);
delay_ms(200);
GPIO_WriteLow(LED_GPIO_PORT, LED_GPIO_PINS);
delay_ms(100);
GPIO_WriteHigh(LED_GPIO_PORT, LED_GPIO_PINS);
delay_ms(200);
GPIO_WriteLow(LED_GPIO_PORT, LED_GPIO_PINS);
delay_ms(100);
GPIO_WriteHigh(LED_GPIO_PORT, LED_GPIO_PINS);
delay_ms(200);
GPIO_WriteLow(LED_GPIO_PORT, LED_GPIO_PINS);
while (1) {
/* Toggles LEDs */
delay_ms(10);
ms_passed += 10;
if(ms_passed % 1000 == 0) {
GPIO_WriteReverse(LED_GPIO_PORT, (GPIO_Pin_TypeDef)LED_GPIO_PINS);
uint32_t ntick = ms_passed / 1000;
char x = ntick % 58 + 65;
putchar(8); //backspace
putchar(x);
}
}
}
/**
* @brief Retargets the C library printf function to the UART.
* @param c Character to send
* @retval char Character sent
*/
PUTCHAR_PROTOTYPE
{
/* Write a character to the UART1 */
UART1_SendData8(c);
/* Loop until the end of transmission */
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
return (c);
}
/**
* @brief Retargets the C library scanf function to the USART.
* @param None
* @retval char Character to Read
*/
GETCHAR_PROTOTYPE
{
#ifdef _COSMIC_
char c = 0;
#else
int c = 0;
#endif
/* Loop until the Read data register flag is SET */
while (UART1_GetFlagStatus(UART1_FLAG_RXNE) == RESET);
c = UART1_ReceiveData8();
return (c);
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif