Pico_USB_Tests/src_host/main.c

87 lines
2.5 KiB
C

/*
* 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>
#include <pico/stdlib.h>
#define LED_BLINK_DELAY_MS 1000
extern void cdc_app_task(void);
/*------------- MAIN -------------*/
int main(void) {
board_init();
gpio_set_function(12, UART_FUNCSEL_NUM(uart0, 12));
gpio_set_function(13, UART_FUNCSEL_NUM(uart0, 13));
printf("TinyUSB Host CDC Example\n");
// init host stack on configured roothub port
const tusb_rhport_init_t rh_init = {
.role = TUSB_ROLE_HOST,
.speed = TUH_OPT_HIGH_SPEED ? TUSB_SPEED_HIGH : TUSB_SPEED_FULL,
};
if(!tuh_rhport_init(BOARD_TUH_RHPORT, &rh_init))
{
printf("Failed to init rhport.\n");
return PICO_ERROR_GENERIC;
}
uint32_t start_ms = 0;
bool led_state = false;
while(true)
{
// tinyusb host task
tuh_task();
if(board_millis() - start_ms > LED_BLINK_DELAY_MS)
{
board_led_write(led_state);
led_state = ! led_state;
start_ms += LED_BLINK_DELAY_MS;
}
cdc_app_task();
}
}
// TinyUSB Callbacks
void tuh_mount_cb(uint8_t dev_addr) {
// application set-up
printf("A device with address %d is mounted\r\n", dev_addr);
}
void tuh_umount_cb(uint8_t dev_addr) {
// application tear-down
printf("A device with address %d is unmounted \r\n", dev_addr);
}