intermediate commit

src/hal.h

@@ -0,0 +1,51 @@
+#ifndef HALH
+#define HALH
+
+#define MAXBATT                 4200    // The default Lipo is 4200mv when the battery is fully charged.
+#define LIGHT_SLEEP_VOLTAGE     3750    // Point where start light sleep
+#define MINBATT                 3200    // The default Lipo is 3200mv when the battery is empty...this WILL be low on the 3.3v rail specs!!!
+
+
+#ifndef ENVIRONMENT
+#error "Must define ENVIRONMENT..."
+#endif
+
+#define HELTECv2   1
+#define LOLIN32    2
+#define HELTECv21  3
+
+
+#if ENVIRONMENT == HELTECv2 //HELTEC WIFI LORA V2
+
+#define TRIGGER   27
+#define ECHO      14
+
+#define VBATT     ADC2_CHANNEL_4
+#define VEXT      21
+
+#endif
+
+#if ENVIRONMENT == LOLIN32 //LOLIN32
+
+#define SDA_OLED  15
+#define SCL_OLED   4
+#define RST_OLED  17
+
+#define TRIGGER   13
+#define ECHO      14
+
+#define VBATT     ADC2_CHANNEL_1
+#define VEXT      21
+#endif
+
+#if ENVIRONMENT == HELTECv21 //
+
+#define TRIGGER   27
+#define ECHO      14
+
+#define VBATT     ADC2_CHANNEL_1
+#define VEXT      21
+
+#endif
+
+#endif //HALH