73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
|
/*
|
||
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
||
|
|
*
|
||
|
|
* The MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2021 Jonathan Hogg
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// This file is never compiled standalone, it's included directly from
|
||
|
|
// extmod/machine_adc_block.c via MICROPY_PY_MACHINE_ADC_BLOCK_INCLUDEFILE.
|
||
|
|
|
||
|
|
#include "py/mphal.h"
|
||
|
|
#include "adc.h"
|
||
|
|
#include "driver/adc.h"
|
||
|
|
|
||
|
|
machine_adc_block_obj_t madcblock_obj[] = {
|
||
|
|
#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3
|
||
|
|
{{&machine_adc_block_type}, ADC_UNIT_1, 12, -1, {0}},
|
||
|
|
{{&machine_adc_block_type}, ADC_UNIT_2, 12, -1, {0}},
|
||
|
|
#elif CONFIG_IDF_TARGET_ESP32S2
|
||
|
|
{{&machine_adc_block_type}, ADC_UNIT_1, 13, -1, {0}},
|
||
|
|
{{&machine_adc_block_type}, ADC_UNIT_2, 13, -1, {0}},
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
STATIC void mp_machine_adc_block_print(const mp_print_t *print, machine_adc_block_obj_t *self) {
|
||
|
|
mp_printf(print, "ADCBlock(%u, bits=%u)", self->unit_id, self->bits);
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC void mp_machine_adc_block_bits_set(machine_adc_block_obj_t *self, mp_int_t bits) {
|
||
|
|
if (bits != -1) {
|
||
|
|
madcblock_bits_helper(self, bits);
|
||
|
|
} else if (self->width == -1) {
|
||
|
|
madcblock_bits_helper(self, self->bits);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC machine_adc_block_obj_t *mp_machine_adc_block_get(mp_int_t unit) {
|
||
|
|
for (int i = 0; i < MP_ARRAY_SIZE(madcblock_obj); i++) {
|
||
|
|
if (unit == madcblock_obj[i].unit_id) {
|
||
|
|
return &madcblock_obj[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC machine_adc_obj_t *mp_machine_adc_block_connect(machine_adc_block_obj_t *self, mp_int_t channel_id, mp_hal_pin_obj_t gpio_id, mp_map_t *kw_args) {
|
||
|
|
const machine_adc_obj_t *adc = madc_search_helper(self, channel_id, gpio_id);
|
||
|
|
if (adc == NULL) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
madc_init_helper(adc, 0, NULL, kw_args);
|
||
|
|
return (machine_adc_obj_t *)adc;
|
||
|
|
}
|