#include "SWM221.h" #include #include "GD25Q21.h" #define EEPROM_ADDR 0x008000 uint8_t WrBuff[20] = {0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27}; uint8_t RdBuff[20] = {0}; void SerialInit(void); int main(void) { uint32_t i; SystemInit(); SerialInit(); GD25Q21_Init(); GD25Q21_EraseSector(EEPROM_ADDR); while(GD25Q21_IsBusy()) __NOP(); // 等待擦除操作完成 GD25Q21_ReadData(EEPROM_ADDR, RdBuff, 20); printf("\r\nAfter Erase: \r\n"); for(i = 0; i < 20; i++) printf("0x%02X, ", RdBuff[i]); /* 1线读 */ GD25Q21_WritePage(EEPROM_ADDR, WrBuff, 20); while(GD25Q21_IsBusy()) __NOP(); // 等待写入操作完成 GD25Q21_ReadData(EEPROM_ADDR, RdBuff, 20); printf("\r\nAfter Write: \r\n"); for(i = 0; i < 20; i++) printf("0x%02X, ", RdBuff[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; }