diff options
| -rw-r--r-- | ports/rp2/machine_i2c.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ports/rp2/machine_i2c.c b/ports/rp2/machine_i2c.c index f785ad7de..3390cc421 100644 --- a/ports/rp2/machine_i2c.c +++ b/ports/rp2/machine_i2c.c @@ -35,14 +35,24 @@ #define DEFAULT_I2C_FREQ (400000) #ifndef MICROPY_HW_I2C0_SCL +#if PICO_DEFAULT_I2C == 0 +#define MICROPY_HW_I2C0_SCL (PICO_DEFAULT_I2C_SCL_PIN) +#define MICROPY_HW_I2C0_SDA (PICO_DEFAULT_I2C_SDA_PIN) +#else #define MICROPY_HW_I2C0_SCL (9) #define MICROPY_HW_I2C0_SDA (8) #endif +#endif #ifndef MICROPY_HW_I2C1_SCL +#if PICO_DEFAULT_I2C == 1 +#define MICROPY_HW_I2C1_SCL (PICO_DEFAULT_I2C_SCL_PIN) +#define MICROPY_HW_I2C1_SDA (PICO_DEFAULT_I2C_SDA_PIN) +#else #define MICROPY_HW_I2C1_SCL (7) #define MICROPY_HW_I2C1_SDA (6) #endif +#endif // SDA/SCL on even/odd pins, I2C0/I2C1 on even/odd pairs of pins. #define IS_VALID_SCL(i2c, pin) (((pin) & 1) == 1 && (((pin) & 2) >> 1) == (i2c)) |