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91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
#include <string.h>
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#include "SWM221.h"
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#include "W25N01G.h"
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#define EEPROM_ADDR 0x0020000
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#define N_DATA 48
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uint8_t RdBuff[W25N_PAGE_SIZE] = {0};
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uint8_t WrBuff[W25N_PAGE_SIZE] = {
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
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};
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void SerialInit(void);
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int main(void)
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{
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SystemInit();
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SerialInit();
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W25N01G_Init();
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int id = W25N01G_ReadJEDEC();
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printf("\n\nSPI Flash JEDEC: %06X\n", id);
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W25N01G_FlashProtect(W25N_PROTECT_Upper_1MB);
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W25N01G_Erase(EEPROM_ADDR, 1);
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W25N01G_Read(EEPROM_ADDR, RdBuff);
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printf("\n\nAfter Erase: \n");
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for(int i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
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W25N01G_Write(EEPROM_ADDR, WrBuff);
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W25N01G_Read(EEPROM_ADDR, RdBuff);
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printf("\n\nAfter Write: \n");
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for(int i = 0; i < N_DATA; i++) printf("0x%02X, ", RdBuff[i]);
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while(1==1)
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{
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}
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}
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void SerialInit(void)
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{
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UART_InitStructure UART_initStruct;
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PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0配置为UART0 RXD
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PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1配置为UART0 TXD
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UART_initStruct.Baudrate = 57600;
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UART_initStruct.DataBits = UART_DATA_8BIT;
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UART_initStruct.Parity = UART_PARITY_NONE;
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UART_initStruct.StopBits = UART_STOP_1BIT;
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UART_initStruct.RXThreshold = 3;
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UART_initStruct.RXThresholdIEn = 0;
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UART_initStruct.TXThreshold = 3;
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UART_initStruct.TXThresholdIEn = 0;
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UART_initStruct.TimeoutTime = 10;
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UART_initStruct.TimeoutIEn = 0;
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UART_Init(UART0, &UART_initStruct);
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UART_Open(UART0);
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}
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/******************************************************************************************************************************************
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* 函数名称: fputc()
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* 功能说明: printf()使用此函数完成实际的串口打印动作
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* 输 入: int ch 要打印的字符
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* FILE *f 文件句柄
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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int fputc(int ch, FILE *f)
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{
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UART_WriteByte(UART0, ch);
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while(UART_IsTXBusy(UART0));
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return ch;
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}
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