move pico libs to pico_lib.h,

add INV option to PW_SWITCH and PW_STATE

cgi.h

@@ -2,7 +2,6 @@
 #define CGI_H
 
 #include "lwip/apps/httpd.h"
-#include "pico/cyw43_arch.h"
 #include "handlers.h"
 
 const char * cgi_power_handler (int iIndex, int iNumParams, char * pcParam [], char * pcValue []) {

handlers.h

@@ -1,12 +1,12 @@
 #ifndef HANDLERS_H
 #define HANDLERS_H
 
-#include "pico/stdlib.h"
-
 #define PW_SWITCH_PIN 0
 #define PW_SWITCH_DELAY_MS 100
+#define PW_SWITCH_INV 0
 #define PW_STATE_PIN 1
 #define PW_STATE_UPDATE_REPEAT_DELAY_MS 100
+#define PW_STATE_INV 1
 
 bool current_state = false;
 struct repeating_timer * state_update_timer = NULL; 
@@ -14,25 +14,25 @@ struct repeating_timer * state_update_timer = NULL;
 // handler fn to set the power switch pin to an active state
 int64_t pw_sw_on_async (alarm_id_t id, void * user_data) {
 	cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
-	gpio_put(PW_SWITCH_PIN, 1);
+	gpio_put(PW_SWITCH_PIN, 1 ^ PW_SWITCH_INV);
 	return 0; // do not reschedule alarm
 }
 
 // handler fn to set the power switch pin to an inactive state
 int64_t pw_sw_off_async (alarm_id_t id, void * user_data) {
 	cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
-	gpio_put(PW_SWITCH_PIN, 0);
+	gpio_put(PW_SWITCH_PIN, 0 ^ PW_SWITCH_INV);
 	return 0; // do not reschedule alarm
 }
 
 // hander fn to read from the power state
 bool update_current_state_async (repeating_timer_t * rt) {
-	current_state = gpio_get(PW_STATE_PIN);
+	current_state = gpio_get(PW_STATE_PIN) ^ PW_STATE_INV;
 	return true; // continue repeating alarm
 }
 
 // handler fn called to attempt to set the power state to the requested state
-bool bmc_power_handler (bool requested_state) {
+void bmc_power_handler (bool requested_state) {
 	if (requested_state != current_state) {
 		add_alarm_in_ms(0, pw_sw_on_async, NULL, true);
 		add_alarm_in_ms(PW_SWITCH_DELAY_MS, pw_sw_off_async, NULL, true);

main.c

@@ -1,6 +1,5 @@
 #include "lwip/apps/httpd.h"
-#include "pico/stdlib.h"
-#include "pico/cyw43_arch.h"
+#include "pico_lib.h"
 #include "lwipopts.h"
 #include "ssi.h"
 #include "cgi.h"

pico_lib.h

@@ -0,0 +1,8 @@
+#ifndef PICO_LIB_H
+#define PICO_LIB_H
+
+#include "pico/cyw43_arch.h"
+#include "pico/stdlib.h"
+#include "hardware/adc.h"
+
+#endif

ssi.h

@@ -2,8 +2,6 @@
 #define SSI_H
 
 #include "lwip/apps/httpd.h"
-#include "pico/cyw43_arch.h"
-#include "hardware/adc.h"
 #include "handlers.h"
 
 const char * ssi_tags[] = {"volt", "temp", "power"};