You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

91 lines
2.2 KiB
C

#include <string.h>
#include "SWM221.h"
#include "W25N01G.h"
#define EEPROM_ADDR 0x0020000
#define N_DATA 48
uint8_t RdBuff[W25N_PAGE_SIZE] = {0};
uint8_t WrBuff[W25N_PAGE_SIZE] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
};
void SerialInit(void);
int main(void)
{
SystemInit();
SerialInit();
W25N01G_Init();
int id = W25N01G_ReadJEDEC();
printf("\n\nSPI Flash JEDEC: %06X\n", id);
W25N01G_FlashProtect(W25N_PROTECT_Upper_1MB);
W25N01G_Erase(EEPROM_ADDR, 1);
W25N01G_Read(EEPROM_ADDR, RdBuff);
printf("\n\nAfter Erase: \n");
for(int i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
W25N01G_Write(EEPROM_ADDR, WrBuff);
W25N01G_Read(EEPROM_ADDR, RdBuff);
printf("\n\nAfter Write: \n");
for(int i = 0; i < N_DATA; 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;
}