C++ (Cpp) SI7020_Read_Temperature Examples

Example #1

File: i2c_si7020.c Project: alemoke/esp8266-frankenstein

static int
do_i2c_si7020(int argc, const char* const* argv)
{
	uint16_t temp, hum;
	uint8_t datum[2];

	if (!IS_ALREADY_INITED)
	       SI7020_Init();
	if(argc == 1 || strcmp(argv[1], "gethumidity") == 0){
		if((SI7020_Read_Humidity((uint16_t *)datum))) {
			hum = ((((datum[1]<<8)|datum[0])*125.0)/65536)-6.0;
			console_printf( argc == 1 ? "%d\n" : "Humidity: %d\n", hum);
		}else{
			console_printf( "Failed to read value\n" );
		}
	}
	if(argc == 1 || strcmp(argv[1], "gettemp") == 0){
		if((SI7020_Read_Temperature((uint16_t *)datum))) {
			temp = ((((datum[1]<<8)|datum[0])*175.72)/65536)-46.85;
			console_printf( argc == 1 ? "%d\n" : "Temperature: %d\n", temp);
		}else{
			console_printf( "Failed to read value\n" );
		}
	}

	return 0;
}

Example #2

File: i2c_si7020.c Project: br13patel/esp8266-frankenstein

uint16_t
SI7020_GetTemperature()
{
	uint16_t temp;
	uint8_t datum[2];

	if (!IS_ALREADY_INITED)
	       SI7020_Init();

	if((SI7020_Read_Temperature((uint16_t *)datum)))
		temp = ((((datum[1]<<8)|datum[0])*175.72)/65536)-46.85;
	else
		temp = 0xffff;
	return temp;
}