B001-V3 works with it now

2025-12-16 12:10:10 -06:00
parent ac030005c3
commit 062221dfd3
70 changed files with 3872 additions and 3786 deletions
--- a/main/solar.c
+++ b/main/solar.c
@@ -0,0 +1,91 @@
+#include "solar.h"
+#include "driver/rtc_io.h"
+#include "rtc.h"
+#include "power_mgmt.h"
+#include "esp_log.h"
+#include "storage.h"
+
+#define TAG "SOLAR"
+
+#define PIN_CHG_BULK GPIO_NUM_26
+
+typedef enum {
+	CHG_STATE_FLOAT = 0,
+	CHG_STATE_BULK = 1
+} charge_state_t;
+RTC_DATA_ATTR charge_state_t current_charge_state = CHG_STATE_FLOAT;
+RTC_DATA_ATTR int64_t timer;
+
+esp_err_t reset_solar_fsm() {
+	timer = -1;
+	current_charge_state = CHG_STATE_FLOAT;
+	return ESP_OK;
+}
+
+RTC_DATA_ATTR bool solar_needs_init = true;
+esp_err_t init_solar_gpio() {
+	if (solar_needs_init) {
+	    rtc_gpio_init(PIN_CHG_BULK);
+	    rtc_gpio_set_direction(PIN_CHG_BULK, RTC_GPIO_MODE_OUTPUT_ONLY);
+    	solar_needs_init = false;
+    }
+    return ESP_OK;
+}
+
+esp_err_t run_solar_fsm() {
+	init_solar_gpio();
+	
+	int64_t now = system_rtc_get_raw_time();
+	
+	//ESP_LOGI("BAT", "FSM STATE %d", current_charge_state);
+	
+	float vbat = get_battery_V();
+	
+	/*
+		The state machine is simple.
+		- After a period of time when battery is low, switch to bulk
+		- After a period of time in bulk, switch to float
+	*/
+	
+	//if (rtc_is_set()) {
+		switch(current_charge_state) {
+			case CHG_STATE_BULK:
+				if (now > timer+get_param(PARAM_CHG_BULK_S).i64) {
+					current_charge_state = CHG_STATE_FLOAT;
+				}
+				
+				break;
+			case CHG_STATE_FLOAT:
+				// if we have sufficient voltage, reset the timer
+				if (vbat > get_param(PARAM_CHG_LOW_V).f32) {
+					timer = now;
+				}
+			
+				if (now > timer+get_param(PARAM_CHG_LOW_S).i64) {
+					timer = now;
+					current_charge_state = CHG_STATE_BULK;	
+				}
+				
+				break;
+		}
+	/*} else {
+		reset_solar_fsm();
+		ESP_LOGI(TAG, "RESET SOLAR FSM");
+	}*/
+	
+	rtc_gpio_hold_dis(PIN_CHG_BULK);
+	switch(current_charge_state) {
+		case CHG_STATE_BULK:
+			rtc_gpio_set_level(PIN_CHG_BULK, 1);
+			//ESP_LOGI(TAG, "BULK");
+			break;
+		case CHG_STATE_FLOAT:
+			rtc_gpio_set_level(PIN_CHG_BULK, 0);
+			//ESP_LOGI(TAG, "FLOAT");
+			break;
+	}
+	rtc_gpio_hold_en(PIN_CHG_BULK);
+	//rtc_gpio_hold_en(PIN_CHG_DISABLE);
+	
+	return ESP_OK;
+}