mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-30 06:33:07 +00:00
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
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/*
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Unitemp - Universal temperature reader
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Copyright (C) 2022-2023 Victor Nikitchuk (https://github.com/quen0n)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <furi.h>
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#include <furi_hal.h>
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#include "SPISensor.h"
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static uint8_t sensors_count = 0;
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bool unitemp_spi_sensor_alloc(Sensor* sensor, char* args) {
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if(args == NULL) return false;
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//Создание инстанса датчика SPI
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SPISensor* instance = malloc(sizeof(SPISensor));
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if(instance == NULL) {
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FURI_LOG_E(APP_NAME, "Sensor %s instance allocation error", sensor->name);
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return false;
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}
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sensor->instance = instance;
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//Определение GPIO chip select
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int gpio = 255;
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sscanf(args, "%d", &gpio);
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instance->CS_pin = unitemp_gpio_getFromInt(gpio);
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if(instance->CS_pin == NULL) {
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FURI_LOG_E(APP_NAME, "Sensor %s GPIO setting error", sensor->name);
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free(instance);
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return false;
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}
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instance->spi = malloc(sizeof(FuriHalSpiBusHandle));
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memcpy(instance->spi, &furi_hal_spi_bus_handle_external, sizeof(FuriHalSpiBusHandle));
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instance->spi->cs = instance->CS_pin->pin;
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bool status = sensor->type->allocator(sensor, args);
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//Блокировка портов GPIO
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sensors_count++;
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unitemp_gpio_lock(unitemp_gpio_getFromInt(2), &SPI);
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unitemp_gpio_lock(unitemp_gpio_getFromInt(3), &SPI);
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unitemp_gpio_lock(unitemp_gpio_getFromInt(5), &SPI);
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unitemp_gpio_lock(instance->CS_pin, &SPI);
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return status;
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}
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bool unitemp_spi_sensor_free(Sensor* sensor) {
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bool status = sensor->type->mem_releaser(sensor);
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unitemp_gpio_unlock(((SPISensor*)sensor->instance)->CS_pin);
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free(((SPISensor*)(sensor->instance))->spi);
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free(sensor->instance);
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if(--sensors_count == 0) {
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unitemp_gpio_unlock(unitemp_gpio_getFromInt(2));
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unitemp_gpio_unlock(unitemp_gpio_getFromInt(3));
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unitemp_gpio_unlock(unitemp_gpio_getFromInt(5));
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}
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return status;
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}
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bool unitemp_spi_sensor_init(Sensor* sensor) {
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return sensor->type->initializer(sensor);
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}
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bool unitemp_spi_sensor_deinit(Sensor* sensor) {
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UNUSED(sensor);
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return true;
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}
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UnitempStatus unitemp_spi_sensor_update(Sensor* sensor) {
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return sensor->type->updater(sensor);
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}
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