65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
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/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <devices.h>
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#include <stdio.h>
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#include <FreeRTOS.h>
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#include <task.h>
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#include "project_cfg.h"
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handle_t gio;
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void vTask1()
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{
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while (1)
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{
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int val = gpio_get_pin_value(gio, 2);
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printf("The PIN is %d\n", val);
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vTaskDelay(500 / portTICK_RATE_MS);
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}
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}
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void vTask2()
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{
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while (1)
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{
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static int val = 0;
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gpio_set_pin_value(gio, 3, val = !val);
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vTaskDelay(1000 / portTICK_RATE_MS);
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}
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}
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int main()
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{
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gio = io_open("/dev/gpio0");
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configASSERT(gio);
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gpio_set_drive_mode(gio, 2, GPIO_DM_INPUT);
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gpio_set_drive_mode(gio, 3, GPIO_DM_OUTPUT);
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gpio_set_pin_value(gio, 3, GPIO_PV_HIGH);
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vTaskSuspendAll();
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xTaskCreate(vTask1, "vTask1", 512, NULL, 3, NULL);
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xTaskCreate(vTask2, "vTask2", 128, NULL, 2, NULL);
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if (!xTaskResumeAll())
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{
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taskYIELD();
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}
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while (1)
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;
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}
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