Dragino TrackerD wip (#2324)

* Dragino TrackerD initial variant * fmt --------- Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com> Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
2023-10-10 06:20:46 -05:00
parent d1ac2dc6ea
commit 786248a6b1
2 changed files with 59 additions and 0 deletions
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+// Initialize i2c bus on sd_dat and esp_led pins, respectively. We need a bus to not hang on boot
+#define HAS_SCREEN 0
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 9
+#define GPS_TX_PIN 10
+
+#define LED_PIN 13 // 13 red, 2 blue, 15 red
+
+//#define HAS_BUTTON 0
+#define BUTTON_PIN 0
+#define BUTTON_NEED_PULLUP
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33
+#define LORA_DIO2 32 // Not really used
+
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+
+// Battery
+// The battery sense is hooked to pin A0 (4)
+// it is defined in the anlaolgue pin section of this file
+// and has 12 bit resolution
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+// Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
+#define VBAT_MV_PER_LSB (0.73242188F)
+// Voltage divider value => 100K + 100K voltage divider on VBAT = (100K / (100K + 100K))
+#define VBAT_DIVIDER (0.5F)
+// Compensation factor for the VBAT divider
+#define VBAT_DIVIDER_COMP (2.0)
+// Fixed calculation of milliVolt from compensation value
+#define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 3.0
+#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+#define ADC_MULTIPLIER VBAT_DIVIDER_COMP
+#define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x)
+
+//#define BATTERY_SENSE_SAMPLES 15 // Set the number of samples, It has an effect of increasing sensitivity.
+//#define ADC_MULTIPLIER 3.3