/**
* @brief I2C(AT24C02)读写测试
* @param 无
* @retval 无
*/
void I2C_Test(void)
{
uint16_t i;
printf("写入的数据\n\r");
for ( i=0; i<=255; i++ ) //填充缓冲
{
I2c_Buf_Write[i] = i;
printf("0x%02X ", I2c_Buf_Write[i]);
if(i%16 == 15)
{
printf("\n\r");
}
}
I2C_EE_BufferWrite( I2c_Buf_Write, EEP_Firstpage, 256); //将I2c_Buf_Write中顺序递增的数据写入EERPOM中
printf("\n\r写成功\n\r");
printf("\n\r读出的数据\n\r");
I2C_EE_BufferRead(I2c_Buf_Read, EEP_Firstpage, 256); //将EEPROM读出数据顺序保持到I2c_Buf_Read中
for (i=0; i<256; i++) //将I2c_Buf_Read中的数据通过串口打印
{
if(I2c_Buf_Read[i] != I2c_Buf_Write[i])
{
printf("0x%02X ", I2c_Buf_Read[i]);
printf("错误:I2C EEPROM写入与读出的数据不一致\n\r");
return;
}
printf("0x%02X ", I2c_Buf_Read[i]);
if(i%16 == 15)
{
printf("\n\r");
}
}
printf("I2C(AT24C02)读写测试成功\n\r");
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
/* Initialize the I2C EEPROM driver ----------------------------------------*/
I2C_EE_Init();
/* First write in the memory followed by a read of the written data --------*/
/* Write on I2C EEPROM from EEPROM_WriteAddress1 */
I2C_EE_BufferWrite(Tx1_Buffer, EEPROM_WriteAddress1, BufferSize1);
/* Read from I2C EEPROM from EEPROM_ReadAddress1 */
I2C_EE_BufferRead(Rx1_Buffer, EEPROM_ReadAddress1, BufferSize1);
/* Check if the data written to the memory is read correctly */
TransferStatus1 = Buffercmp(Tx1_Buffer, Rx1_Buffer, BufferSize1);
/* TransferStatus1 = PASSED, if the transmitted and received data
to/from the EEPROM are the same */
/* TransferStatus1 = FAILED, if the transmitted and received data
to/from the EEPROM are different */
/* Wait for EEPROM standby state */
I2C_EE_WaitEepromStandbyState();
/* Second write in the memory followed by a read of the written data -------*/
/* Write on I2C EEPROM from EEPROM_WriteAddress2 */
I2C_EE_BufferWrite(Tx2_Buffer, EEPROM_WriteAddress2, BufferSize2);
/* Read from I2C EEPROM from EEPROM_ReadAddress2 */
I2C_EE_BufferRead(Rx2_Buffer, EEPROM_ReadAddress2, BufferSize2);
/* Check if the data written to the memory is read correctly */
TransferStatus2 = Buffercmp(Tx2_Buffer, Rx2_Buffer, BufferSize2);
/* TransferStatus2 = PASSED, if the transmitted and received data
to/from the EEPROM are the same */
/* TransferStatus2 = FAILED, if the transmitted and received data
to/from the EEPROM are different */
while (1)
{
}
}
void I2C_EE_Log(uint8_t* LogData)
{
if (currentByte >=EEPROM_BYTES) {I2C_EE_FinishLog();}
else
{
I2C_EE_BufferWrite(LogData, currentByte, ENTRYBYTES);
currentByte+=ENTRYBYTES;
}
}
/***************************************************************************//**
* @brief First, the content of Tx1_Buffer is written to the EEPROM_WriteAddress1
* and the written data are read. The written and the read buffers data are
* then compared. Following the read operation, the program wait that the
* EEPROM reverts to its Standby state. A second write operation is, then,
* performed and this time, Tx2_Buffer is written to EEPROM_WriteAddress2,
* which represents the address just after the last written one in the first
* write. After completion of the second write operation, the written data
* are read. The contents of the written and the read buffers are compared.
******************************************************************************/
void I2C_EEPROM(void)
{
/* System clocks configuration */
RCC_Configuration();
/* USART configuration */
USART_Configuration();
/* Initialize the I2C EEPROM driver */
I2C_EE_Init();
/* First write in the memory followed by a read of the written data */
/* Write on I2C EEPROM from EEPROM_WriteAddress1 */
I2C_EE_BufferWrite(Tx1_Buffer, EEPROM_WriteAddress1, BufferSize1);
/* Read from I2C EEPROM from EEPROM_ReadAddress1 */
I2C_EE_BufferRead(Rx1_Buffer, EEPROM_ReadAddress1, BufferSize1);
/* Check if the data written to the memory is read correctly */
TransferStatus1 = Buffercmp(Tx1_Buffer, Rx1_Buffer, BufferSize1);
}
void I2C_EE_Erase(void)
{
int percentage;
unsigned int LEDbackup;
int i;
clear();
write('E');
write('R');
write('A');
write('S');
write('I');
write('N');
write('G');
for (i=CONFIGLENGTH;i<EEPROM_BYTES;i++)
{
I2C_EE_BufferWrite(blank, i, 1);
// I2C_EE_ByteWrite(blank, i);
if((i%100)==0){
setCursor(0,1);
percentage = (100*i)/(EEPROM_BYTES-CONFIGLENGTH);
writenumber(percentage);
write('%');
write(' ');
write(' ');}
LEDbyte = LEDRripple[(i/80)%10];
setLEDS();
}
clear();
complete();
delay_ms(2000);
clear();
standby();
LEDbyte=LEDbackup;
setLEDS();
}
void I2C_24C02_Test(void)
{
u16 i;
u8 I2C_Buf_Write[32]; //写缓冲区
u8 I2C_Buf_Read[32]; //读缓冲区
printf("AT24C02 Writing...\n\r");
for(i=0;i<=31;i++) //填充缓冲
{
I2C_Buf_Write[i]=i;
printf("0x%02X ",I2C_Buf_Write[i]);
if(i%16 == 15)
{
printf("\n\r");
}
}
I2C_EE_BufferWrite(I2C_Buf_Write,EEP_Firstpage,32); //将I2c_Buf_Write中顺序递增的数据写入EERPOM中
printf("\n\rAT24C02 Reading...\n\r");
I2C_EE_BufferRead(I2C_Buf_Read,EEP_Firstpage,32); //将EEPROM读出数据顺序保持到I2c_Buf_Read中
for(i=0;i<32;i++) //将I2c_Buf_Read中的数据通过串口打印
{
if(I2C_Buf_Read[i]!=I2C_Buf_Write[i])
{
printf("0x%02X ", I2C_Buf_Read[i]);
printf("Err:Data Read and Write are't Matching.\n\r");
return;
}
printf("0x%02X ", I2C_Buf_Read[i]);
if(i%16 == 15)
{
printf("\n\r");
}
}
printf("I2C-AT24C02 Test Passed!\n\r");
}
/* 按键按下，写入EEPROM */
void Task_USART1(void *p_arg)
{
(void)p_arg; //'p_arg'没有用到，防止编译器警告
while(1)
{
unsigned char errkey, err;
// u16 i;
// printf("等待A8");
/* car1经过 */
OSSemPend(key_SEM,0,&errkey);
//将car1数据保存至buffer并串口输出
weight = (char*)OSMboxPend(adc_MBOX,0,&err);
save_in_buffer(car1,*weight);
/* 读写EEPROM */
//将I2c_Buf_Write中顺序递增的数据写入EERPOM中
I2C_EE_BufferWrite((u8 *)sendData, EEP_Firstpage, 256);
OSTimeDlyHMSM(0,0,0,500);
/* car2经过 */
OSSemPend(key_SEM,0,&errkey);
//将car1数据保存至buffer并串口输出
weight = (char*)OSMboxPend(adc_MBOX,0,&err);
save_in_buffer(car2,*weight);
/* 读写EEPROM */
//将I2c_Buf_Write中顺序递增的数据写入EERPOM中
I2C_EE_BufferWrite((u8 *)sendData, EEP_Firstpage, 256);
OSTimeDlyHMSM(0,0,0,500);
/* car3经过 */
OSSemPend(key_SEM,0,&errkey);
//将car1数据保存至buffer并串口输出
weight = (char*)OSMboxPend(adc_MBOX,0,&err);
save_in_buffer(car3,*weight);
/* 读写EEPROM */
//将I2c_Buf_Write中顺序递增的数据写入EERPOM中
I2C_EE_BufferWrite((u8 *)sendData, EEP_Firstpage, 256);
OSTimeDlyHMSM(0,0,0,500);
// printf("\n\r读出eeprom的数据\n\r");
//将EEPROM读出数据顺序保持到I2c_Buf_Read中
// I2C_EE_BufferRead(I2c_Buf_Read, EEP_Firstpage, 256);
//将I2c_Buf_Read中的数据通过串口打印
// for (i=0; i<=50; i++)
// {
// printf("%c", I2c_Buf_Read[i]);
// }
// OSTimeDlyHMSM(0,0,0,500);
}
}
/**
往eeprom中写数据
@param pInBuf 要写入数据的地址
@param Addr eeprom的地址
@param NumOfBytes 要写入多少个字节
*/
void eeprom_write(u8 *pInBuf,u16 Addr,u16 NumOfBytes)
{
I2C_EE_BufferWrite(pInBuf, Addr, NumOfBytes);
}
void I2C_EE_WriteConfig(void)
{
I2C_EE_BufferWrite((uint8_t *)Config, 0, CONFIGLENGTH);
logging_timer_init();
}