Работа с EEPROM 24C16 на STM32 контроллере

Unknown January 31, 2018 at 6:40 pm

while (1)
{
HAL_I2C_Mem_Read(&hi2c1, 0x50 << 1, 0x03, 1, &xBuffer[0], 1, 1000);
HAL_UART_Transmit(&huart1, &xBuffer[0], 1, 0xFFFF);
HAL_Delay(1000);
}
не читает 24lc01. во все ячейки 24lc01 программатором записано значение 55.

Unknown December 8, 2018 at 1:23 pm

STM32F030F4P6 F_CPU 48 MHz, F_I2C48 MHz, F_USART48 MHz

#define Device_ADD 0x00A0 // Адрес устройства
#define Mem_ADD 0x005 // Адрес внутренней памяти
#define Mem_ADD_Size 2 // Размер адреса внутренней памяти размер адреса 12 бит

#define BufferSize_1 26

uint8_t Data_Wrt [26];
uint8_t Data_Rd [26];

//================================================================================================================
for(uint8_t Txt = 0x41; Txt < 0x5B; Txt ++)
{
Data_Wrt [Txt] = Txt;
}
uint8_t Op = 0x41;
//================================================================================================================
//1010000(0) //0x005 // 2 // 26
if (HAL_I2C_Mem_Write(&hi2c1, Device_ADD, Mem_ADD, Mem_ADD_Size, & Data_Wrt[Op], BufferSize_1, 1000) == HAL_OK)
{
HAL_UART_Transmit (&huart1, (uint8_t*)"OK_Wrn", 5, 0xFFFF);
HAL_Delay (20);
HAL_UART_Transmit (&huart1, & Data_Wrt[Op], 26, 0xFFFF);
HAL_UART_Transmit (&huart1, (uint8_t*) "rn", 2, 0xFFFF);
HAL_Delay (20);
}
else
{
HAL_UART_Transmit (&huart1, (uint8_t*)"EEROR_Wrn", 8, 0xFFFF);
}
//================================================================================================================
HAL_Delay (2000);
//================================================================================================================if (HAL_I2C_Mem_Read (&hi2c1, Device_ADD, Mem_ADD, Mem_ADD_Size, & Data_Rd [0], BufferSize_1, 1000) == HAL_OK)
{
HAL_UART_Transmit (&huart1, (uint8_t*)"OK_Rrn", 5, 0xFFFF);
HAL_Delay (20);
HAL_UART_Transmit (&huart1, & Data_Rd [0], 26, 0xFFFF);
HAL_UART_Transmit (&huart1, (uint8_t*) "rn", 2, 0xFFFF);
HAL_Delay (20);
}

else
{
HAL_UART_Transmit (&huart1, (uint8_t*)"EEROR_Rrn", 8, 0xFFFF);
}