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esp8266: Add dummy entries for non-existing pins to simplify pin logic. 

Now pins can be easily looked up in the table using the pin number as the
index and vice versa.
pull/1985/head
Damien George 2016-04-13 22:45:51 +01:00
rodzic a9a732af1f
commit d9d408135d
1 zmienionych plików z 9 dodań i 8 usunięć
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17
esp8266/modpybpin.c
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@ -44,15 +44,19 @@
// Removed in SDK 1.1.0
//#define GPIO_PULL_DOWN (2)
STATIC const pyb_pin_obj_t pyb_pin_obj[] = {
STATIC const pyb_pin_obj_t pyb_pin_obj[16 + 1] = {
{{&pyb_pin_type}, 0, FUNC_GPIO0, PERIPHS_IO_MUX_GPIO0_U},
{{&pyb_pin_type}, 1, FUNC_GPIO1, PERIPHS_IO_MUX_U0TXD_U},
{{&pyb_pin_type}, 2, FUNC_GPIO2, PERIPHS_IO_MUX_GPIO2_U},
{{&pyb_pin_type}, 3, FUNC_GPIO3, PERIPHS_IO_MUX_U0RXD_U},
{{&pyb_pin_type}, 4, FUNC_GPIO4, PERIPHS_IO_MUX_GPIO4_U},
{{&pyb_pin_type}, 5, FUNC_GPIO5, PERIPHS_IO_MUX_GPIO5_U},
{{NULL}, 0, 0, 0},
{{NULL}, 0, 0, 0},
{{NULL}, 0, 0, 0},
{{&pyb_pin_type}, 9, FUNC_GPIO9, PERIPHS_IO_MUX_SD_DATA2_U},
{{&pyb_pin_type}, 10, FUNC_GPIO10, PERIPHS_IO_MUX_SD_DATA3_U},
{{NULL}, 0, 0, 0},
{{&pyb_pin_type}, 12, FUNC_GPIO12, PERIPHS_IO_MUX_MTDI_U},
{{&pyb_pin_type}, 13, FUNC_GPIO13, PERIPHS_IO_MUX_MTCK_U},
{{&pyb_pin_type}, 14, FUNC_GPIO14, PERIPHS_IO_MUX_MTMS_U},
@ -198,16 +202,13 @@ STATIC mp_obj_t pyb_pin_obj_init_helper(pyb_pin_obj_t *self, mp_uint_t n_args, c
STATIC mp_obj_t pyb_pin_make_new(const mp_obj_type_t *type, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
// Run an argument through the mapper and return the result.
// get the wanted pin object
int wanted_pin = mp_obj_get_int(args[0]);
pyb_pin_obj_t *pin = NULL;
for (int i = 0; i < MP_ARRAY_SIZE(pyb_pin_obj); i++) {
if (pyb_pin_obj[i].phys_port == wanted_pin) {
pin = (pyb_pin_obj_t*)&pyb_pin_obj[i];
break;
}
if (0 <= wanted_pin && wanted_pin < MP_ARRAY_SIZE(pyb_pin_obj)) {
pin = (pyb_pin_obj_t*)&pyb_pin_obj[wanted_pin];
}
if (pin == NULL) {
if (pin == NULL || pin->base.type == NULL) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "invalid pin"));
}