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Reinitialize MPPT whenever it becomes active

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This commit is contained in:
Thomas Kolb 2020-04-17 21:47:01 +02:00
parent 3806536c07
commit 1d5b7e74ff
1 changed files with 18 additions and 10 deletions
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28
src/main.c
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@ -436,6 +436,18 @@ struct MPPState {
#define MPP_TEST_STEPS 6 #define MPP_TEST_STEPS 6
const int32_t mpp_pwm_offsets[MPP_TEST_STEPS] = {-1, 2, -6, 5}; const int32_t mpp_pwm_offsets[MPP_TEST_STEPS] = {-1, 2, -6, 5};
static void mpp_init(struct MPPState *mpp_state)
{
mpp_state->powerSamples = 0;
mpp_state->powerAccu = 0;
mpp_state->maxPower = 0;
mpp_state->refPower = 0;
mpp_state->nextTestStepTime = 0;
mpp_state->testIdx = -1;
mpp_state->maxPWM = CONV_PWM_MAX;
mpp_state->refPWM = CONV_PWM_MAX;
}
static void mpp_run( static void mpp_run(
uint32_t time_in_state, struct MPPState *mpp_state, uint32_t time_in_state, struct MPPState *mpp_state,
struct PowerState *power_state, int32_t *pwm) struct PowerState *power_state, int32_t *pwm)
@ -635,14 +647,7 @@ int main(void)
power_state.temp_avg = fxp_from_int(-999); power_state.temp_avg = fxp_from_int(-999);
/* initialize mpp_state */ /* initialize mpp_state */
mpp_state.powerSamples = 0; mpp_init(&mpp_state);
mpp_state.powerAccu = 0;
mpp_state.maxPower = 0;
mpp_state.refPower = 0;
mpp_state.nextTestStepTime = 0;
mpp_state.testIdx = -1;
mpp_state.maxPWM = CONV_PWM_MAX;
mpp_state.refPWM = CONV_PWM_MAX;
init_clock(); init_clock();
init_rtc(); init_rtc();
@ -830,7 +835,6 @@ int main(void)
} }
if(time_in_state > 1000 && power_state.vout_avg < VOLTAGE_THR_CV_TO_MPP) { if(time_in_state > 1000 && power_state.vout_avg < VOLTAGE_THR_CV_TO_MPP) {
pwm = CONV_PWM_PERIOD * 8 / 10;
operState = ConvMPP; operState = ConvMPP;
} }
@ -896,7 +900,6 @@ int main(void)
} }
if(time_in_state > 1000 && power_state.vout_avg < VOLTAGE_THR_FLOAT_TO_MPP) { if(time_in_state > 1000 && power_state.vout_avg < VOLTAGE_THR_FLOAT_TO_MPP) {
pwm = CONV_PWM_MAX * 8 / 10;
operState = ConvMPP; operState = ConvMPP;
} }
@ -952,6 +955,11 @@ int main(void)
break; break;
case ConvMPP: case ConvMPP:
if(time_in_state == 0) {
pwm = CONV_PWM_MAX * 8 / 10;
mpp_init(&mpp_state);
}
mpp_run(time_in_state, &mpp_state, &power_state, &pwm); mpp_run(time_in_state, &mpp_state, &power_state, &pwm);
if(pwm > CONV_PWM_MAX) { if(pwm > CONV_PWM_MAX) {