diff options
| author | Jim Mussared <jim.mussared@gmail.com> | 2022-09-06 23:28:50 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2022-09-08 14:51:11 +1000 |
| commit | 315e74236fb7be7c72f708832038596d668979b7 (patch) | |
| tree | b7dbadd6784aaeea991f330b772cdf675396143f | |
| parent | 29437205f29976db71dc12d61ce756732e6f813a (diff) | |
rp2/machine_i2c: Use pico-sdk's default pins for I2C.
Inherits the default values for whichever instance is PICO_DEFAULT_I2C.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
| -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)) |