/**
* @brief BSP of the 4 digits 7 Segment Display shield for Arduino Nano - Gravitech.
Display the value if value belong to [0-9999]
* @param Value A number between 0 and 9999 will be displayed on the screen.
* DIGIT4_SEG7_RESET will reset the screen (any value above 9999 will reset the screen also)
* @retval HAL_StatusTypeDef
*/
HAL_StatusTypeDef BSP_DIGIT4_SEG7_Display(uint32_t Value)
{
const uint8_t lookup[10] = {0x3F,0x06,0x5B,0x4F,0x66,
0x6D,0x7D,0x07,0x7F,0x6F};
uint32_t thousands, hundreds, tens, base;
HAL_StatusTypeDef status = HAL_ERROR;
uint8_t d1d2d3d4[4];
if (Value < 10000)
{
thousands = Value / 1000;
hundreds = (Value - (thousands * 1000)) / 100;
tens = (Value - ((thousands * 1000) + (hundreds * 100))) / 10;
base = Value - ((thousands * 1000) + (hundreds * 100) + (tens * 10));
d1d2d3d4[3] = lookup[thousands];
d1d2d3d4[2] = lookup[hundreds];
d1d2d3d4[1] = lookup[tens];
d1d2d3d4[0] = lookup[base];
}
else
{
d1d2d3d4[3] = 0;
d1d2d3d4[2] = 0;
d1d2d3d4[1] = 0;
d1d2d3d4[0] = 0;
}
/* Send the four digits to the SAA1064 component */
status = I2C1_WriteBuffer(0x70, 1, 1, d1d2d3d4, sizeof(d1d2d3d4));
return status;
}
/**
* @brief BSP of the 4 digits 7 Segment Display shield for Arduino Nano - Gravitech.
init
* @retval HAL_StatusTypeDef
*/
HAL_StatusTypeDef BSP_DIGIT4_SEG7_Init(void)
{
uint8_t control[1] = {0x47};
/* Init I2C */
I2C1_Init();
/* Configure the SAA1064 component */
return I2C1_WriteBuffer(0x70, 0, 1, control, sizeof(control));
}
/**
* @brief Writes one byte to the TSENSOR.
* @param DevAddress: Target device address
* @param pBuffer: Pointer to data buffer
* @param WriteAddr: TSENSOR's internal address to write to.
* @param Length: Number of data to write
* @retval None
*/
void TSENSOR_IO_Write(uint16_t DevAddress, uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length)
{
I2C1_WriteBuffer(DevAddress, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length);
}
/**
* @brief Write data to I2C EEPROM driver
* @param DevAddress: Target device address
* @param MemAddress: Internal memory address
* @param pBuffer: Pointer to data buffer
* @param BufferSize: Amount of data to be sent
* @retval HAL status
*/
HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
{
return (I2C1_WriteBuffer(DevAddress, MemAddress, I2C_MEMADD_SIZE_16BIT, pBuffer, BufferSize));
}
