diff options
Diffstat (limited to 'extmod/machine_i2c.h')
| -rw-r--r-- | extmod/machine_i2c.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/extmod/machine_i2c.h b/extmod/machine_i2c.h index 9723069d56..e3a87e282a 100644 --- a/extmod/machine_i2c.h +++ b/extmod/machine_i2c.h @@ -29,6 +29,19 @@ #include "py/obj.h" #include "py/mphal.h" +// Temporary support for legacy construction of SoftI2C via I2C type. +#define MP_MACHINE_I2C_CHECK_FOR_LEGACY_SOFTI2C_CONSTRUCTION(n_args, n_kw, all_args) \ + do { \ + if (n_args == 0 || all_args[0] == MP_OBJ_NEW_SMALL_INT(-1)) { \ + mp_print_str(MICROPY_ERROR_PRINTER, "Warning: I2C(-1, ...) is deprecated, use SoftI2C(...) instead\n"); \ + if (n_args != 0) { \ + --n_args; \ + ++all_args; \ + } \ + return mp_machine_soft_i2c_type.make_new(&mp_machine_soft_i2c_type, n_args, n_kw, all_args); \ + } \ + } while (0) + #define MP_MACHINE_I2C_FLAG_READ (0x01) // if not set then it's a write #define MP_MACHINE_I2C_FLAG_STOP (0x02) |