1.0.6

added VCC reading lib

Author: 8BitJosh

microNode-1.0.5.tar.bz2 microNode-1.0.6.tar.bz2microNode-1.0.5.tar.bz2 renamed to microNode-1.0.6.tar.bz2

@@ -0,0 +1,43 @@
+#include <system.h>
+
+uint16_t readVCC(){
+
+  // disable ADC
+  while (ADC->STATUS.bit.SYNCBUSY);
+  ADC->CTRLA.bit.ENABLE = 0x00;
+
+  // internal 1V reference (default)
+  analogReference(AR_INTERNAL1V0);
+  // 12 bit resolution (default)
+  analogWriteResolution(12);
+  // MUXp 0x1B = SCALEDIOVCC/4 => connected to Vcc
+  ADC->INPUTCTRL.bit.MUXPOS = 0x1B ;
+
+  // enable ADC
+  while (ADC->STATUS.bit.SYNCBUSY);
+  ADC->CTRLA.bit.ENABLE = 0x01;
+  
+  // start conversion
+  while (ADC->STATUS.bit.SYNCBUSY);
+  ADC->SWTRIG.bit.START = 1;
+  
+  // clear the Data Ready flag
+  ADC->INTFLAG.bit.RESRDY = 1;
+  
+  // start conversion again, reading after input change needs to be discarded
+  while (ADC->STATUS.bit.SYNCBUSY);
+  ADC->SWTRIG.bit.START = 1;
+
+  // waiting for conversion to complete
+  while (!ADC->INTFLAG.bit.RESRDY);
+  const uint32_t valueRead = ADC->RESULT.reg;
+
+  // disable ADC
+  while (ADC->STATUS.bit.SYNCBUSY);
+  ADC->CTRLA.bit.ENABLE = 0x00;
+
+  uint32_t voltage = valueRead * 4 * 1000;
+  voltage /= 4096;
+
+  return voltage;
+}

microNode/libraries/system/system.c

@@ -0,0 +1,4 @@
+#include <stdio.h>
+#include <Arduino.h>
+
+uint16_t readVCC();

microNode/libraries/system/system.h

@@ -352,6 +352,46 @@
 							"version": "4.0.0-atmel"
 						}
 					]
+				},
+				{
+					"version": "1.0.6",
+					"boards": [
+						{
+							"name": "microNode"
+						}
+					],
+					"archiveFileName": "microNode-1.0.6.tar.bz2",
+					"checksum": "SHA-256:22266056f02077a0afd2cf22b303537a1988c1e80917ad11dd648dab0244f080",
+					"url": "https://github.com/loranodes/arduino-core/raw/1.0.6/microNode-1.0.6.tar.bz2",
+					"size": 1182020,
+					"architecture": "samd",
+					"name": "LoRaNodes M0 Boards",
+					"category": "LoRaNodes",
+					"help": {
+						"online": "https://github.com/loranodes"
+					},
+					"toolsDependencies": [
+						{
+							"name": "arm-none-eabi-gcc",
+							"packager": "arduino",
+							"version": "4.8.3-2014q1"
+						},
+						{
+							"name": "bossac",
+							"packager": "arduino",
+							"version": "1.6.1-arduino"
+						},
+						{
+							"name": "openocd",
+							"packager": "arduino",
+							"version": "0.9.0-arduino"
+						},
+						{
+							"name": "CMSIS",
+							"packager": "arduino",
+							"version": "4.0.0-atmel"
+						}
+					]
 				}
 			]
 		}