host_cdc_msc_hid sample
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Outline
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bsp/board_api.h"
#include "tusb.h"
main()
tuh_mount_cb(uint8_t)
tuh_umount_cb(uint8_t)
led_blinking_task()
Files
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SourceVuRaspberry Pi Pico SDK and Exampleshost_cdc_msc_hid samplemain.c
 
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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" 5 includes //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF PROTYPES //--------------------------------------------------------------------+ void led_blinking_task(void); extern void cdc_app_task(void); extern void hid_app_task(void); #if CFG_TUH_ENABLED && CFG_TUH_MAX3421 // API to read/rite MAX3421's register. Implemented by TinyUSB extern uint8_t tuh_max3421_reg_read(uint8_t rhport, uint8_t reg, bool in_isr); extern bool tuh_max3421_reg_write(uint8_t rhport, uint8_t reg, uint8_t data, bool in_isr);/* ... */ #endif /*------------- MAIN -------------*/ int main(void) { board_init(); printf("TinyUSB Host CDC MSC HID Example\r\n"); // init host stack on configured roothub port tuh_init(BOARD_TUH_RHPORT); if (board_init_after_tusb) { board_init_after_tusb(); }if (board_init_after_tusb) { ... } #if CFG_TUH_ENABLED && CFG_TUH_MAX3421 // FeatherWing MAX3421E use MAX3421E's GPIO0 for VBUS enable enum { IOPINS1_ADDR = 20u << 3, /* 0xA0 */ }; tuh_max3421_reg_write(BOARD_TUH_RHPORT, IOPINS1_ADDR, 0x01, false);/* ... */ #endif while (1) { // tinyusb host task tuh_task(); led_blinking_task(); cdc_app_task(); hid_app_task(); }while (1) { ... } }{ ... } //--------------------------------------------------------------------+ // 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); }{ ... } //--------------------------------------------------------------------+ // Blinking Task //--------------------------------------------------------------------+ void led_blinking_task(void) { const uint32_t interval_ms = 1000; static uint32_t start_ms = 0; static bool led_state = false; // Blink every interval ms if (board_millis() - start_ms < interval_ms) return; // not enough time start_ms += interval_ms; board_led_write(led_state); led_state = 1 - led_state; // toggle }{ ... }
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