Skip to content

Wait for I2C power to stabilize on Heltec VME213; tidy variant folder #4308

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
thebentern merged 2 commits into from
Jul 20, 2024
Merged

Wait for I2C power to stabilize on Heltec VME213; tidy variant folder #4308

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f606bd1
Tidy variant.h and pins_arduino.h (VME213)
todd-herbert Jul 19, 2024
f1a351a
Wait for peripherals to stabilize after enabling I2C power
todd-herbert Jul 20, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions src/main.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,13 @@ void setup()
digitalWrite(RESET_OLED, 1);
#endif

#ifdef PERIPHERAL_WARMUP_MS
// Some peripherals may require additional time to stabilize after power is connected
// e.g. I2C on Heltec Vision Master
LOG_INFO("Waiting for peripherals to stabilize\n");
delay(PERIPHERAL_WARMUP_MS);
#endif

#ifdef BUTTON_PIN
#ifdef ARCH_ESP32

Expand Down
6 changes: 3 additions & 3 deletions variants/heltec_vision_master_e213/pins_arduino.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,8 @@

#include <stdint.h>

static const uint8_t LED_BUILTIN = 35;
#define BUILTIN_LED LED_BUILTIN // backward compatibility
static const uint8_t LED_BUILTIN = -1; // Board has no built-in LED, despite what schematic shows
#define BUILTIN_LED LED_BUILTIN // backward compatibility
#define LED_BUILTIN LED_BUILTIN

static const uint8_t TX = 43;
Expand Down Expand Up @@ -56,6 +56,6 @@ static const uint8_t T14 = 14;

static const uint8_t RST_LoRa = 12;
static const uint8_t BUSY_LoRa = 13;
static const uint8_t DIO0 = 14;
static const uint8_t DIO1 = 14;

#endif /* Pins_Arduino_h */
36 changes: 15 additions & 21 deletions variants/heltec_vision_master_e213/variant.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,48 +1,42 @@
// #define LED_PIN 18
#define BUTTON_PIN 0

// Enable bus for external periherals
// I2C
#define I2C_SDA SDA
#define I2C_SCL SCL

// Display (E-Ink)
#define USE_EINK

/*
* eink display pins
*/
#define PIN_EINK_CS 5
#define PIN_EINK_BUSY 1
#define PIN_EINK_DC 2
#define PIN_EINK_RES 3
#define PIN_EINK_SCLK 4
#define PIN_EINK_MOSI 6

/*
* SPI interfaces
*/
// SPI
#define SPI_INTERFACES_COUNT 2

#define PIN_SPI_MISO 10 // MISO P0.17
#define PIN_SPI_MOSI 11 // MOSI P0.15
#define PIN_SPI_SCK 9 // SCK P0.13

#define VEXT_ENABLE 18 // powers the oled display and the lora antenna boost
#define VEXT_ON_VALUE 1
#define BUTTON_PIN 0

#define PIN_SPI_MISO 10 // MISO
#define PIN_SPI_MOSI 11 // MOSI
#define PIN_SPI_SCK 9 // SCK

// Power
#define VEXT_ENABLE 18 // Powers the E-Ink display, and the 3.3V supply to the I2C QuickLink connector
#define PERIPHERAL_WARMUP_MS 1000 // Make sure I2C QuickLink has stable power before continuing
#define VEXT_ON_VALUE HIGH
#define ADC_CTRL 46
#define ADC_CTRL_ENABLED HIGH
#define BATTERY_PIN 7
#define ADC_CHANNEL ADC1_GPIO7_CHANNEL
#define ADC_MULTIPLIER 4.9 * 1.03 // Voltage divider is roughly 1:1
#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // Voltage divider output is quite high
#define ADC_MULTIPLIER 4.9 * 1.03
#define ADC_ATTENUATION ADC_ATTEN_DB_2_5

// LoRa
#define USE_SX1262

#define LORA_DIO0 -1 // a No connect on the SX1262 module
#define LORA_RESET 12
#define LORA_DIO1 14 // SX1262 IRQ
#define LORA_DIO2 13 // SX1262 BUSY
#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled

#define LORA_SCK 9
#define LORA_MISO 11
Expand Down