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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#include "SWM221.h"
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#define EEPROM_ADDR 0x7000
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#define EEPROM_Ptr ((volatile uint32_t *) EEPROM_ADDR)
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uint32_t WrBuff[20] = {0x14141414, 0x15151515, 0x16161616, 0x17171717, 0x18181818,
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0x19191919, 0x1A1A1A1A, 0x1B1B1B1B, 0x1C1C1C1C, 0x1D1D1D1D,
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0x1E1E1E1E, 0x1F1F1F1F, 0x20202020, 0x21212121, 0x22222222,
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0x23232323, 0x24242424, 0x25252525, 0x26262626, 0x27272727};
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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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printf("\r\nAfter Erase: \r\n");
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FLASH_Erase(EEPROM_ADDR);
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for(int i = 0; i < 20; i++) printf("0x%08X, ", EEPROM_Ptr[i]);
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printf("\r\nAfter Write: \r\n");
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FLASH_Write(EEPROM_ADDR, WrBuff, 20);
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for(int i = 0; i < 20; i++) printf("0x%08X, ", EEPROM_Ptr[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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