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#include "main.h"
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#include "main.h"
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// this is set if there is a timer timeout interrupt
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// this is set if there is a timer timeout interrupt
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unsigned char volatile periodPulse = 0;
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unsigned char volatile periodPulse = 0;
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// this is set when timer 3 was triggerd
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// this is set when timer 3 was triggerd
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unsigned char volatile tim3triggered = 0;
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unsigned char volatile tim3triggered = 0;
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// this is exported
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// this is exported
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void
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triggerTim3(void)
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void triggerTim3(void)
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{
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{
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  htim3.Instance->CNT = 0;
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  htim3.Instance->CNT = 0;
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  htim3.Instance->CR1 |= TIM_CR1_CEN;
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  htim3.Instance->CR1 |= TIM_CR1_CEN;
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}
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}
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        // good observation if the status bit is clear, and the reading is less than 1023
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        // good observation if the status bit is clear, and the reading is less than 1023
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        uint16_t temp_c = obs >> 5;
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        uint16_t temp_c = obs >> 5;
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        uint8_t good = ((obs & 7) == 0) && (temp_c > 0) && (temp_c < 250);
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        if (((obs & 7) == 0) && (temp_c > 0) && (temp_c < 250))
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        if (good)
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        {
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          Temp_Observations[instance] = temp_c;
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          AddTempReading(temp_c, instance);
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        }
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      }
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      }
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      nextTempCS(); // clock CS one more time to deselect all chips
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      nextTempCS(); // clock CS one more time to deselect all chips
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    }
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    }
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  }
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  }
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}
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}
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    blink = !blink;
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    blink = !blink;
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    HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin,
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    HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin,
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                      blink ? GPIO_PIN_SET : GPIO_PIN_RESET);
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                      blink ? GPIO_PIN_SET : GPIO_PIN_RESET);
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    if (periodPulse == 1)
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    if (periodPulse == 1)
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    {
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    {
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      triggerTim3();
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      triggerTim3();
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    }
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    }
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    // indicate that timer 4 firing is owning the timer 3 trigger
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    // indicate that timer 4 firing is owning the timer 3 trigger