// // TempSense: read temperature from TC, RTD, or NTC // #include "tempsense.h" #include "flash.h" void tempsense_init(void) { // Maybe don't perform temp sensor setup in here, but in readtemp? // what happens if the user changes the tempsense type while running? // we need to re-init... } // Returns the latest reading from the configured temperature sensor float tempsense_readtemp(void) { switch(flash_getsettings()->val.sensor_type) { case SENSOR_TC_K: case SENSOR_TC_E: case SENSOR_TC_N: case SENSOR_TC_R: case SENSOR_TC_S: case SENSOR_TC_T: { // Read MAX31856 } break; case SENSOR_NTC: { // Read analog value from internal ADC, linearize the reading, etc } break; } // either return latest reading from DMA loop (NTC, etc) // or initiate a blocking read and return it. // Need to gracefully handle the timeout... }