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-rw-r--r--spaghetti-monster/fsm-adc.c30
1 files changed, 2 insertions, 28 deletions
diff --git a/spaghetti-monster/fsm-adc.c b/spaghetti-monster/fsm-adc.c
index 93c58f1..725902f 100644
--- a/spaghetti-monster/fsm-adc.c
+++ b/spaghetti-monster/fsm-adc.c
@@ -299,8 +299,6 @@ static inline void ADC_temperature_handler() {
static uint8_t history_step = 0;
static uint16_t temperature_history[NUM_TEMP_HISTORY_STEPS];
static int8_t warning_threshold = 0;
- // N seconds between thermal regulation events
- #define TEMPERATURE_TIMER_START (THERMAL_WARNING_SECONDS*ADC_CYCLES_PER_SECOND)
if (reset_thermal_history) { // wipe out old data
// don't keep resetting
@@ -344,31 +342,13 @@ static inline void ADC_temperature_handler() {
uint16_t pt; // predicted temperature
pt = measurement + (diff * THERM_LOOKAHEAD);
- /* seems unnecessary; simply sending repeated warnings has a similar effect
- // P[I]D: average of recent measurements
- uint16_t avg = 0;
- for(uint8_t i=0; i<NUM_TEMP_HISTORY_STEPS; i++)
- avg += (temperature_history[i]>>3);
- */
-
// convert temperature limit from C to raw 16-bit ADC units
// C = (ADC>>6) - 275 + THERM_CAL_OFFSET + therm_cal_offset;
// ... so ...
// (C + 275 - THERM_CAL_OFFSET - therm_cal_offset) << 6 = ADC;
uint16_t ceil = (therm_ceil + 275 - therm_cal_offset - THERM_CAL_OFFSET) << 1;
- //uint16_t floor = ceil - (THERM_WINDOW_SIZE << 6);
- /* average of I and D terms
- int16_t offset_pt, offset_avg;
- offset_pt = (pt - ceil) >> 1;
- offset_avg = (avg - ceil) >> 1;
- int16_t offset = offset_pt + offset_avg;
- //int16_t offset = (pt - ceil) + (avg - ceil);
- */
int16_t offset = pt - ceil;
-
- //int16_t below = offset + (THERM_WINDOW_SIZE<<1);
-
// Too hot?
// (if it's too hot and still getting warmer...)
if ((offset > 0) && (diff > 0)) {
@@ -379,8 +359,7 @@ static inline void ADC_temperature_handler() {
warning_threshold = THERM_NEXT_WARNING_THRESHOLD - offset;
// how far above the ceiling?
- //int16_t howmuch = (offset >> 6) * THERM_RESPONSE_MAGNITUDE / 128;
- //int16_t howmuch = (offset >> 1);
+ //int16_t howmuch = offset * THERM_RESPONSE_MAGNITUDE / 128;
int16_t howmuch = offset;
// send a warning
emit(EV_temperature_high, howmuch);
@@ -391,20 +370,15 @@ static inline void ADC_temperature_handler() {
// (if it's too cold and still getting colder...)
// the temperature is this far below the floor:
#define BELOW (offset + (THERM_WINDOW_SIZE<<1))
- //else if ((offset < -(THERM_WINDOW_SIZE << 1)) && (diff < 0)) {
else if ((BELOW < 0) && (diff < 0)) {
// accumulated error isn't big enough yet to send a warning
if (warning_threshold < 0) {
- //warning_threshold += ((THERM_WINDOW_SIZE<<1) - offset);
- //warning_threshold -= (offset + (THERM_WINDOW_SIZE<<1));
warning_threshold -= BELOW;
} else { // error is big enough; send a warning
- //warning_threshold = (-THERM_NEXT_WARNING_THRESHOLD) - (offset + (THERM_WINDOW_SIZE<<1));
warning_threshold = (-THERM_NEXT_WARNING_THRESHOLD) - BELOW;
// how far below the floor?
- //int16_t howmuch = (((-offset) - (THERM_WINDOW_SIZE<<6)) >> 7) * THERM_WINDOW_SIZE / 128;
- //int16_t howmuch = ((-offset) - (THERM_WINDOW_SIZE<<1)) >> 1;
+ // int16_t howmuch = ((-BELOW) >> 1) * THERM_RESPONSE_MAGNITUDE / 128;
int16_t howmuch = (-BELOW) >> 1;
// send a notification (unless voltage is low)
// (LVP and underheat warnings fight each other)
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