Add host example that prints out info of connected devices
This commit is contained in:
Scott Shawcroft
parent
0d8be7fd3a
commit
22f682c378
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cmake_minimum_required(VERSION 3.5)
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include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
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# gets PROJECT name for the example
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family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
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project(${PROJECT})
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# Checks this example is valid for the family and initializes the project
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family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
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add_executable(${PROJECT})
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# Example source
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target_sources(${PROJECT} PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
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)
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# Example include
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target_include_directories(${PROJECT} PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/src
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)
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# Configure compilation flags and libraries for the example... see the corresponding function
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# in hw/bsp/FAMILY/family.cmake for details.
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family_configure_host_example(${PROJECT})
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include ../../../tools/top.mk
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include ../../make.mk
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INC += \
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src \
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$(TOP)/hw \
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# Example source
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EXAMPLE_SOURCE += \
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src/main.c
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SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
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# TODO: suppress warning caused by host stack
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CFLAGS += -Wno-error=cast-align -Wno-error=null-dereference
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# TinyUSB Host Stack source
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SRC_C += \
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src/class/cdc/cdc_host.c \
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src/class/hid/hid_host.c \
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src/class/msc/msc_host.c \
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src/host/hub.c \
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src/host/usbh.c \
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src/host/usbh_control.c \
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src/portable/ohci/ohci.c \
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src/portable/nxp/lpc17_40/hcd_lpc17_40.c
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include ../../rules.mk
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mcu:LPC175X_6X
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mcu:LPC177X_8X
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mcu:LPC18XX
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mcu:LPC40XX
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mcu:LPC43XX
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mcu:MIMXRT10XX
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mcu:RP2040
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mcu:MSP432E4
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mcu:RX65X
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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/* This example prints out info about the enumerated devices. */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "bsp/board.h"
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#include "tusb.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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void led_blinking_task(void);
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static xfer_result_t _get_string_result;
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static bool _transfer_done_cb(uint8_t daddr, tusb_control_request_t const *request, xfer_result_t result) {
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(void)daddr;
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(void)request;
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_get_string_result = result;
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return true;
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}
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static void _convert_utf16le_to_utf8(const uint16_t *utf16, size_t utf16_len, uint8_t *utf8, size_t utf8_len) {
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// TODO: Check for runover.
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(void)utf8_len;
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// Get the UTF-16 length out of the data itself.
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for (size_t i = 0; i < utf16_len; i++) {
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uint16_t chr = utf16[i];
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if (chr < 0x80) {
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*utf8++ = chr & 0xff;
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} else if (chr < 0x800) {
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*utf8++ = (uint8_t)(0xC0 | (chr >> 6 & 0x1F));
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*utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F));
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} else {
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// TODO: Verify surrogate.
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*utf8++ = (uint8_t)(0xE0 | (chr >> 12 & 0x0F));
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*utf8++ = (uint8_t)(0x80 | (chr >> 6 & 0x3F));
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*utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F));
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}
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// TODO: Handle UTF-16 code points that take two entries.
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}
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}
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// Count how many bytes a utf-16-le encoded string will take in utf-8.
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static int _count_utf8_bytes(const uint16_t *buf, size_t len) {
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size_t total_bytes = 0;
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for (size_t i = 0; i < len; i++) {
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uint16_t chr = buf[i];
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if (chr < 0x80) {
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total_bytes += 1;
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} else if (chr < 0x800) {
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total_bytes += 2;
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} else {
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total_bytes += 3;
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}
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// TODO: Handle UTF-16 code points that take two entries.
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}
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return total_bytes;
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}
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static void _wait_and_convert(uint16_t *temp_buf, size_t buf_len) {
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while (_get_string_result == 0xff) {
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tuh_task();
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}
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size_t utf16_len = ((temp_buf[0] & 0xff) - 2) / sizeof(uint16_t);
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size_t utf8_len = _count_utf8_bytes(temp_buf + 1, utf16_len);
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_convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len);
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((uint8_t*) temp_buf)[utf8_len] = '\0';
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}
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/*------------- MAIN -------------*/
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int main(void)
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{
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board_init();
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printf("TinyUSB Host Device Info Example\r\n");
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tusb_init();
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uint32_t interval_ms = 5000;
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uint32_t start_time = 0;
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while (1)
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{
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// tinyusb host task
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tuh_task();
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led_blinking_task();
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if (board_millis() - start_time < interval_ms) {
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continue;
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}
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start_time = board_millis();
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// Brute force check every device address to see if it is active.
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for (int i = 1; i < CFG_TUH_DEVICE_MAX + CFG_TUH_HUB + 1; i++) {
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if (!tuh_ready(i)) {
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continue;
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}
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uint16_t vid;
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uint16_t pid;
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tuh_vid_pid_get(i, &vid, &pid);
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printf("%d vid %04x pid %04x\r\n", i, vid, pid);
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_get_string_result = 0xff;
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uint16_t temp_buf[127];
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if (tuh_descriptor_string_serial_get(i, 0, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) {
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_wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf));
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printf("Serial: %s\r\n", (const char*) temp_buf);
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}
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_get_string_result = 0xff;
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temp_buf[0] = 0;
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if (tuh_descriptor_string_product_get(i, 0, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) {
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_wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf));
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printf("Product: %s\r\n", (const char*) temp_buf);
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}
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_get_string_result = 0xff;
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temp_buf[0] = 0;
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if (tuh_descriptor_string_manufacturer_get(i, 0, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) {
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_wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf));
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printf("Manufacturer: %s\r\n", (const char*) temp_buf);
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}
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}
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printf("\n");
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}
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return 0;
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}
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//--------------------------------------------------------------------+
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// Blinking Task
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//--------------------------------------------------------------------+
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void led_blinking_task(void)
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{
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const uint32_t interval_ms = 1000;
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static uint32_t start_ms = 0;
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static bool led_state = false;
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// Blink every interval ms
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if ( board_millis() - start_ms < interval_ms) return; // not enough time
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start_ms += interval_ms;
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board_led_write(led_state);
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led_state = 1 - led_state; // toggle
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}
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#ifndef _TUSB_CONFIG_H_
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#define _TUSB_CONFIG_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------
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// COMMON CONFIGURATION
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//--------------------------------------------------------------------
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// defined by compiler flags for flexibility
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#ifndef CFG_TUSB_MCU
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#error CFG_TUSB_MCU must be defined
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#endif
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#if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX
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#define CFG_TUSB_RHPORT0_MODE (OPT_MODE_HOST | OPT_MODE_HIGH_SPEED)
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#else
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#define CFG_TUSB_RHPORT0_MODE OPT_MODE_HOST
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#endif
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#ifndef CFG_TUSB_OS
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#define CFG_TUSB_OS OPT_OS_NONE
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#endif
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// CFG_TUSB_DEBUG is defined by compiler in DEBUG build
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// #define CFG_TUSB_DEBUG 0
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/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
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* Tinyusb use follows macros to declare transferring memory so that they can be put
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* into those specific section.
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* e.g
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* - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
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* - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4)))
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*/
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#ifndef CFG_TUSB_MEM_SECTION
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#define CFG_TUSB_MEM_SECTION
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#endif
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#ifndef CFG_TUSB_MEM_ALIGN
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#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4)))
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#endif
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//--------------------------------------------------------------------
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// CONFIGURATION
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//--------------------------------------------------------------------
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// Size of buffer to hold descriptors and other data used for enumeration
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#define CFG_TUH_ENUMERATION_BUFSIZE 256
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// only hub class is enabled
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#define CFG_TUH_HUB 1
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// max device support (excluding hub device)
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// 1 hub typically has 4 ports
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#define CFG_TUH_DEVICE_MAX (CFG_TUH_HUB ? 4 : 1)
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#define CFG_TUH_ENDPOINT_MAX 8
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#define CFG_TUH_TASK_QUEUE_SZ 64
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//------------- HID -------------//
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#define CFG_TUH_HID_EP_BUFSIZE 64
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_CONFIG_H_ */
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