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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* 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.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bsp/board_api.h"
#include "tusb.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF PROTOTYPES
//--------------------------------------------------------------------+
/* Blink pattern
* - 250 ms : device not mounted
* - 1000 ms : device mounted
* - 2500 ms : device is suspended
*/
enum {
BLINK_NOT_MOUNTED = 250,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
};
static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
// Task parameter type: ULONG for ThreadX, void* for FreeRTOS and noos
#if CFG_TUSB_OS == OPT_OS_THREADX
#define RTOS_PARAM ULONG
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
#define RTOS_PARAM void*
static void freertos_init(void);
#else
#define RTOS_PARAM void*
#endif
void led_blinking_task(RTOS_PARAM param);
//--------------------------------------------------------------------+
// USB Device Task
//--------------------------------------------------------------------+
static void usb_device_init(void) {
tusb_rhport_init_t dev_init = {
.role = TUSB_ROLE_DEVICE,
.speed = TUSB_SPEED_AUTO
};
tusb_init(BOARD_TUD_RHPORT, &dev_init);
board_init_after_tusb();
}
#if CFG_TUSB_OS_HAS_SCHEDULER
static void usb_device_task(RTOS_PARAM param) {
(void) param;
usb_device_init();
while (1) {
tud_task();
}
}
#endif
//--------------------------------------------------------------------+
// Main
//--------------------------------------------------------------------+
int main(void) {
board_init();
#if CFG_TUSB_OS == OPT_OS_FREERTOS
freertos_init();
#elif CFG_TUSB_OS == OPT_OS_THREADX
tx_kernel_enter();
#else
// noos + pico-sdk: init USB then run polling loop
usb_device_init();
while (1) {
tud_task();
led_blinking_task(NULL);
}
#endif
}
#ifdef ESP_PLATFORM
void app_main(void) {
main();
}
#endif
//--------------------------------------------------------------------+
// Device callbacks
//--------------------------------------------------------------------+
void tud_mount_cb(void) {
blink_interval_ms = BLINK_MOUNTED;
}
void tud_umount_cb(void) {
blink_interval_ms = BLINK_NOT_MOUNTED;
}
void tud_suspend_cb(bool remote_wakeup_en) {
(void) remote_wakeup_en;
blink_interval_ms = BLINK_SUSPENDED;
}
void tud_resume_cb(void) {
blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
}
//--------------------------------------------------------------------+
// Blinking Task
//--------------------------------------------------------------------+
void led_blinking_task(RTOS_PARAM param) {
(void) param;
static uint32_t start_ms = 0;
static bool led_state = false;
while (1) {
#if CFG_TUSB_OS == OPT_OS_FREERTOS
vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
#elif CFG_TUSB_OS == OPT_OS_THREADX
tx_thread_sleep(_osal_ms2tick(blink_interval_ms));
#else
if (tusb_time_millis_api() - start_ms < blink_interval_ms) {
return; // not enough time
}
#endif
start_ms += blink_interval_ms;
board_led_write(led_state);
led_state = 1 - led_state; // toggle
}
}
//--------------------------------------------------------------------+
// FreeRTOS
//--------------------------------------------------------------------+
#if CFG_TUSB_OS == OPT_OS_FREERTOS
#ifdef ESP_PLATFORM
#define USBD_STACK_SIZE 4096
#else
#define USBD_STACK_SIZE (3*configMINIMAL_STACK_SIZE/2 * (CFG_TUSB_DEBUG ? 2 : 1))
#endif
#define BLINKY_STACK_SIZE configMINIMAL_STACK_SIZE
#if configSUPPORT_STATIC_ALLOCATION
static StackType_t _usb_device_stack[USBD_STACK_SIZE];
static StaticTask_t _usb_device_taskdef;
static StackType_t _blinky_stack[BLINKY_STACK_SIZE];
static StaticTask_t _blinky_taskdef;
#endif
static void freertos_init(void) {
#if configSUPPORT_STATIC_ALLOCATION
xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, _usb_device_stack, &_usb_device_taskdef);
xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, _blinky_stack, &_blinky_taskdef);
#else
xTaskCreate(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
xTaskCreate(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, NULL);
#endif
#ifndef ESP_PLATFORM
vTaskStartScheduler();
#endif
}
//--------------------------------------------------------------------+
// ThreadX
//--------------------------------------------------------------------+
#elif CFG_TUSB_OS == OPT_OS_THREADX
#define USBD_STACK_SIZE 4096
#define BLINKY_STACK_SIZE 512
static TX_THREAD _usb_device_thread;
static ULONG _usb_device_stack[USBD_STACK_SIZE / sizeof(ULONG)];
static TX_THREAD _blinky_thread;
static ULONG _blinky_stack[BLINKY_STACK_SIZE / sizeof(ULONG)];
void tx_application_define(void *first_unused_memory) {
(void) first_unused_memory;
static CHAR usbd_name[] = "usbd";
static CHAR blinky_name[] = "blinky";
tx_thread_create(&_usb_device_thread, usbd_name, usb_device_task, 0,
_usb_device_stack, USBD_STACK_SIZE,
0, 0, TX_NO_TIME_SLICE, TX_AUTO_START);
tx_thread_create(&_blinky_thread, blinky_name, led_blinking_task, 0,
_blinky_stack, BLINKY_STACK_SIZE,
1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
}
#endif
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