Initial commit

build/fs/api_adc.js

@@ -0,0 +1,22 @@
+let ADC = {
+  // ## **`ADC.enable(pin)`**
+  // Configure and enable ADC for a `pin`,
+  // return 1 if success, 0 otherwise.
+  enable: ffi('int mgos_adc_enable(int)'),
+  // ## **`ADC.read(pin)`**
+  // Read `pin` analog value, return an integer.
+  //
+  // Note for ESP8266 platform:
+  // with this function, you can also measure the power voltage
+  // of VDD33 pin 3 and 4. Then:
+  // 1) TOUT pin has to be floating in the circuit
+  // 	(not connected to anything);
+  // 2) In mos.yaml must be set this feature:
+  // 	build_vars:
+  // 		MGOS_ADC_MODE_VDD: 1
+  // 3) The return value may be different in different Wi-Fi modes,
+  // 	for example, in Modem-sleep mode or in normal Wi-Fi working
+  // 	mode.
+  // Return value: Power voltage of VDD33; unit: 1/1024 V.
+  read: ffi('int mgos_adc_read(int)'),
+};