ports/esp32: Move default I2C initialization.

Signed-off-by: Malcolm McKellips <[email protected]>

Author: malcolm-sparkfun

ports/esp32/machine_i2c.c

@@ -150,7 +150,7 @@ mp_obj_t machine_hw_i2c_make_new(const mp_obj_type_t *type, size_t n_args, size_
     // Parse args
     enum { ARG_id, ARG_scl, ARG_sda, ARG_freq, ARG_timeout };
     static const mp_arg_t allowed_args[] = {
-        { MP_QSTR_id, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
+        { MP_QSTR_id, MP_ARG_INT, {.u_int = I2C_NUM_0} },
         { MP_QSTR_scl, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
         { MP_QSTR_sda, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
         { MP_QSTR_freq, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 400000} },
@@ -160,13 +160,7 @@ mp_obj_t machine_hw_i2c_make_new(const mp_obj_type_t *type, size_t n_args, size_
     mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
     // Get I2C bus
-    // Bus ID - use I2C bus 0 as default
-    mp_int_t i2c_id = I2C_NUM_0;
-
-    // User provided a value?
-    if (args[ARG_id].u_obj != MP_OBJ_NULL) {
-        i2c_id = mp_obj_get_int(args[ARG_id].u_obj);
-    }
+    mp_int_t i2c_id = args[ARG_id].u_int;
 
     // Check if the I2C bus is valid
     if (!(I2C_NUM_0 <= i2c_id && i2c_id < I2C_NUM_MAX)) {