forgot to commit everything...

2018-02-03 16:55:37 +01:00
parent 20d46af1fb
commit 3da4722748
15 changed files with 991 additions and 0 deletions
--- a/user/ADC.h
+++ b/user/ADC.h
@@ -0,0 +1,21 @@
+#ifndef ADC_H
+#define ADC_H
+
+class ADC {
+
+public:
+	static uint16_t getA0() {
+		return 0xffff & system_adc_read();
+	}
+
+	static uint16_t getVcc() {
+		static constexpr float SCALER = 1.93;	// divider of 10k / 10k -> * 2
+		static constexpr int V_REF = 330;	// 3.3 volt
+		static constexpr int MUL = SCALER * V_REF;
+		return getA0() * MUL / 1024;
+	}
+
+};
+
+
+#endif // ADC_H