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Add I2C bus to Heltec T114 header pins

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SDA: P0.13
SCL: P0.16

Uses bus 1, leaving bus 0 routed to the unpopulated footprint for the RTC (general future-proofing)
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Todd Herbert 2024-09-17 22:17:53 +12:00 committed by mverch67
parent db2f2dd44d
commit 19c777dde6
1 changed files with 15 additions and 6 deletions
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21
variants/heltec_mesh_node_t114/variant.h
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@ -92,13 +92,22 @@ No longer populated on PCB
#define PIN_SERIAL2_TX (0 + 10) #define PIN_SERIAL2_TX (0 + 10)
// #define PIN_SERIAL2_EN (0 + 17) // #define PIN_SERIAL2_EN (0 + 17)
/** /*
Wire Interfaces * I2C
*/ */
#define WIRE_INTERFACES_COUNT 1
#define PIN_WIRE_SDA (26) #define WIRE_INTERFACES_COUNT 2
#define PIN_WIRE_SCL (27)
// I2C bus 0
// Routed to footprint for PCF8563TS RTC
// Not populated on T114 V1, maybe in future?
#define PIN_WIRE_SDA (0 + 26) // P0.26
#define PIN_WIRE_SCL (0 + 27) // P0.27
// I2C bus 1
// Available on header pins, for general use
#define PIN_WIRE1_SDA (0 + 13) // P0.13
#define PIN_WIRE1_SCL (0 + 16) // P0.16
// QSPI Pins // QSPI Pins
#define PIN_QSPI_SCK (32 + 14) #define PIN_QSPI_SCK (32 + 14)