.. _program_listing_file_cellboard_Src_temperature.c:

Program Listing for File temperature.c
======================================

|exhale_lsh| :ref:`Return to documentation for file <file_cellboard_Src_temperature.c>` (``cellboard/Src/temperature.c``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   #include "temperature.h"
   
   #include "pct2075.h"
   
   void temperature_read_sample(I2C_HandleTypeDef *hi2c[TEMP_BUS_COUNT],
                                uint16_t *buffer) {
       uint8_t count = 0;
   
       // For each bus, for each strip, read all sensors
       for (uint8_t bus = 0; bus < TEMP_BUS_COUNT; bus++) {
           for (uint8_t strip = 0; strip < TEMP_STRIPS_PER_BUS; strip++) {
               for (uint8_t sens = 0; sens < TEMP_SENSORS_PER_STRIP; sens++) {
                   // Sum strip to change LSB of address coding
                   buffer[count++] = pct2075_read(
                       hi2c[bus], TEMP_SENSOR_ADDRESS_CODING[sens] + strip);
               }
           }
       }
   }
   
   void temperature_get_average(
       uint16_t buffer[TEMP_SENSOR_COUNT][TEMP_SAMPLE_COUNT],
       uint8_t temps[TEMP_SENSOR_COUNT]) {
       for (uint8_t sens = 0; sens < TEMP_SENSOR_COUNT; sens++) {
           temps[sens] = 0;
   
           for (uint8_t sample = 0; sample < TEMP_SAMPLE_COUNT; sample++) {
               temps[sens] += buffer[sens][sample];
               buffer[sens][sample] = 0;
           }
           temps[sens] /= TEMP_SAMPLE_COUNT;
       }
   }
   
   void temperature_get_extremes(uint8_t temps[], uint8_t min[2], uint8_t max[2]) {
       max[0] = max[1] = 0;
       min[0] = min[1] = UINT8_MAX;
   
       for (uint8_t i = 0; i < TEMP_SENSOR_COUNT; i++) {
           if (temps[i] >= max[0]) {
               max[1] = max[0];
               max[0] = temps[i];
           } else if (temps[i] > max[1]) {
               max[1] = temps[i];
           }
   
           if (temps[i] <= min[0]) {
               min[1] = min[0];
               min[0] = temps[i];
           } else if (temps[i] < min[1]) {
               min[1] = temps[i];
           }
       }
   }