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void MAX31855_ReadData(MAX31855_StateHandle *MAX31855){
/* Code from the thread: https://www.eevblog.com/forum/microcontrollers/stm32-spi-slave-inconsistent/ Author: DavidAlpha*/
if((MAX31855->hspi->State>HAL_SPI_STATE_READY) && (MAX31855->hspi->State<HAL_SPI_STATE_ERROR)){	// Handler BUSY in any mode (But not error or reset);
MAX31855->hspi->State=HAL_SPI_STATE_READY;	// Force ready state
}
if((MAX31855->hspi->Instance->SR & SPI_SR_BSY) || (MAX31855->hspi->State!=HAL_SPI_STATE_READY)){	// If peripheral is actually busy or handler not ready
	MAX31855->hspi->State=HAL_SPI_STATE_RESET;	// Force reset state (HAL_SPI_Init will fail if not in reset state)
 
	__HAL_RCC_SPI3_FORCE_RESET();		// Change to the SPI used in the project
	asm("nop\nnop\nnop\nnop");		// Wait few clocks just in case
	while(MAX31855->hspi->Instance->SR & SPI_SR_BSY);	// Wait until Busy is gone
	__HAL_RCC_SPI3_RELEASE_RESET();		// Change to the SPI used in the project
	asm("nop\nnop\nnop\nnop");		// Wait few clocks just in case
	while(MAX31855->hspi->Instance->SR & SPI_SR_BSY);	// Check again
	if (HAL_SPI_Init(MAX31855->hspi) != HAL_OK){ Error_Handler(); }		// Re-init SPI
/**/		
	
uint8_t payload[5];
int32_t frame;
MAX31855_SetNSSState(MAX31855,GPIO_PIN_RESET);
HAL_SPI_Receive(MAX31855->hspi, payload, 5, 1000);
MAX31855_SetNSSState(MAX31855,GPIO_PIN_SET);
MAX31855->scvFault=0;
MAX31855->scgFault=0;
MAX31855->ocFault=0;
MAX31855->fault=0;
MAX31855->extTemp=0;
MAX31855->extTempSign=0;
MAX31855->intTemp=0;
MAX31855->intTempSign=0;
 
frame = payload[1];
frame = frame<<8;
frame = frame|payload[2];
frame = frame<<8;
frame = frame|payload[3];
frame = frame<<8;
frame = frame|payload[4];
int32_t extTemp=frame;
int32_t intTemp=frame;
 
if(frame& 0b00000000000000000000000000000100)
{
MAX31855->scvFault=1;
}
if(frame& 0b00000000000000000000000000000010)
{
MAX31855->scgFault=1;
}
if(frame& 0b00000000000000000000000000000001)
{
MAX31855->ocFault=1;
}
if(frame&0b00000000000000010000000000000000)
{
MAX31855->fault=1;
}
if(frame&0b10000000000000000000000000000000)
{
MAX31855->extTempSign=1;
}
if(frame&0b00000000000000010000000000000000)
{
MAX31855->intTempSign=1;
}
 
extTemp>>=18;
if (MAX31855->intTempSign) {
extTemp = ~(extTemp & 0b11111111111111);
}
MAX31855->extTemp=extTemp;
 
intTemp = ((intTemp>>4) & 0b11111111111);
if (MAX31855->intTempSign)
{
intTemp=~(intTemp|0b1111100000000000); //Experimental code, not tested!
}
MAX31855->intTemp=intTemp;	
}