#include "SWM221.h" #define EEPROM_ADDR 0x7000 #define EEPROM_Ptr ((volatile uint32_t *) EEPROM_ADDR) uint32_t WrBuff[20] = {0x14141414, 0x15151515, 0x16161616, 0x17171717, 0x18181818, 0x19191919, 0x1A1A1A1A, 0x1B1B1B1B, 0x1C1C1C1C, 0x1D1D1D1D, 0x1E1E1E1E, 0x1F1F1F1F, 0x20202020, 0x21212121, 0x22222222, 0x23232323, 0x24242424, 0x25252525, 0x26262626, 0x27272727}; void SerialInit(void); int main(void) { SystemInit(); SerialInit(); printf("\r\nAfter Erase: \r\n"); FLASH_Erase(EEPROM_ADDR); for(int i = 0; i < 20; i++) printf("0x%08X, ", EEPROM_Ptr[i]); printf("\r\nAfter Write: \r\n"); FLASH_Write(EEPROM_ADDR, WrBuff, 20); for(int i = 0; i < 20; i++) printf("0x%08X, ", EEPROM_Ptr[i]); while(1==1) { } } void SerialInit(void) { UART_InitStructure UART_initStruct; PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0配置为UART0 RXD PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1配置为UART0 TXD UART_initStruct.Baudrate = 57600; UART_initStruct.DataBits = UART_DATA_8BIT; UART_initStruct.Parity = UART_PARITY_NONE; UART_initStruct.StopBits = UART_STOP_1BIT; UART_initStruct.RXThreshold = 3; UART_initStruct.RXThresholdIEn = 0; UART_initStruct.TXThreshold = 3; UART_initStruct.TXThresholdIEn = 0; UART_initStruct.TimeoutTime = 10; UART_initStruct.TimeoutIEn = 0; UART_Init(UART0, &UART_initStruct); UART_Open(UART0); } /****************************************************************************************************************************************** * 函数名称: fputc() * 功能说明: printf()使用此函数完成实际的串口打印动作 * 输 入: int ch 要打印的字符 * FILE *f 文件句柄 * 输 出: 无 * 注意事项: 无 ******************************************************************************************************************************************/ int fputc(int ch, FILE *f) { UART_WriteByte(UART0, ch); while(UART_IsTXBusy(UART0)); return ch; }