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RocketctRocketct
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added USB Host supportO (#47)
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‎examples/USB_host/USB_host.ino

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/*
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_______ _ _ _____ ____
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|__ __| | | | |/ ____| _ \
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| | ___ ___ _ __ _ _| | | | (___ | |_) |
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| |/ _ \/ _ \ '_ \| | | | | | |\___ \| _ <
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| | __/ __/ | | | |_| | |__| |____) | |_) |
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|_|\___|\___|_| |_|\__, |\____/|_____/|____/
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__/ |
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|___/
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TeenyUSB - light weight usb stack for STM32 micro controllers
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Copyright (c) 2019 XToolBox - admin@xtoolbox.org
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www.tusb.org
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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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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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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 THE
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SOFTWARE.
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*/
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#include <MachineControl.h>
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using namespace machinecontrol;
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REDIRECT_STDOUT_TO(Serial);
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static int process_key(tusbh_ep_info_t* ep, const uint8_t* key);
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static const tusbh_boot_key_class_t cls_boot_key = {
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.backend = &tusbh_boot_keyboard_backend,
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//.on_key = process_key
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};
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static const tusbh_boot_mouse_class_t cls_boot_mouse = {
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.backend = &tusbh_boot_mouse_backend,
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// .on_mouse = process_mouse
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};
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static const tusbh_hid_class_t cls_hid = {
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.backend = &tusbh_hid_backend,
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//.on_recv_data = process_hid_recv,
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//.on_send_done = process_hid_sent,
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};
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static const tusbh_hub_class_t cls_hub = {
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.backend = &tusbh_hub_backend,
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};
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static const tusbh_vendor_class_t cls_vendor = {
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.backend = &tusbh_vendor_backend,
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//.transfer_done = process_vendor_xfer_done
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};
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int msc_ff_mount(tusbh_interface_t* interface, int max_lun, const tusbh_block_info_t* blocks);
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int msc_ff_unmount(tusbh_interface_t* interface);
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static const tusbh_msc_class_t cls_msc_bot = {
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.backend = &tusbh_msc_bot_backend,
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// .mount = msc_ff_mount,
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// .unmount = msc_ff_unmount,
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};
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static const tusbh_cdc_acm_class_t cls_cdc_acm = {
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.backend = &tusbh_cdc_acm_backend,
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};
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static const tusbh_cdc_rndis_class_t cls_cdc_rndis = {
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.backend = &tusbh_cdc_rndis_backend,
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};
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static const tusbh_class_reg_t class_table[] = {
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(tusbh_class_reg_t)&cls_boot_key,
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(tusbh_class_reg_t)&cls_boot_mouse,
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(tusbh_class_reg_t)&cls_hub,
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(tusbh_class_reg_t)&cls_msc_bot,
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(tusbh_class_reg_t)&cls_cdc_acm,
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(tusbh_class_reg_t)&cls_cdc_rndis,
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(tusbh_class_reg_t)&cls_hid,
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(tusbh_class_reg_t)&cls_vendor,
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0,
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};
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void setup()
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{
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Serial1.begin(115200);
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usb_controller.init(class_table);
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}
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void loop() {
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usb_controller.usb.Task();
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}
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#define MOD_CTRL (0x01 | 0x10)
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#define MOD_SHIFT (0x02 | 0x20)
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#define MOD_ALT (0x04 | 0x40)
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#define MOD_WIN (0x08 | 0x80)
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#define LED_NUM_LOCK 1
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#define LED_CAPS_LOCK 2
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#define LED_SCROLL_LOCK 4
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#define stdin_recvchar Serial1.write
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static uint8_t key_leds;
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static const char knum[] = "1234567890";
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static const char ksign[] = "!@#$%^&*()";
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static const char tabA[] = "\t -=[]\\#;'`,./";
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static const char tabB[] = "\t _+{}|~:\"~<>?";
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// route the key event to stdin
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static int process_key(tusbh_ep_info_t* ep, const uint8_t* keys)
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{
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printf("\n");
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uint8_t modify = keys[0];
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uint8_t key = keys[2];
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uint8_t last_leds = key_leds;
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if (key >= KEY_A && key <= KEY_Z) {
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char ch = 'A' + key - KEY_A;
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if ( (!!(modify & MOD_SHIFT)) == (!!(key_leds & LED_CAPS_LOCK)) ) {
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ch += 'a' - 'A';
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}
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stdin_recvchar(ch);
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Serial.print(ch);
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} else if (key >= KEY_1 && key <= KEY_0) {
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if (modify & MOD_SHIFT) {
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stdin_recvchar(ksign[key - KEY_1]);
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} else {
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stdin_recvchar(knum[key - KEY_1]);
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}
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} else if (key >= KEY_TAB && key <= KEY_SLASH) {
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if (modify & MOD_SHIFT) {
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stdin_recvchar(tabB[key - KEY_TAB]);
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} else {
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stdin_recvchar(tabA[key - KEY_TAB]);
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}
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} else if (key == KEY_ENTER) {
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stdin_recvchar('\r');
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} else if (key == KEY_CAPSLOCK) {
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key_leds ^= LED_CAPS_LOCK;
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} else if (key == KEY_NUMLOCK) {
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key_leds ^= LED_NUM_LOCK;
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} else if (key == KEY_SCROLLLOCK) {
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key_leds ^= LED_SCROLL_LOCK;
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}
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if (key_leds != last_leds) {
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tusbh_set_keyboard_led(ep, key_leds);
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}
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return 0;
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}

‎src/MachineControl.h

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@@ -7,10 +7,13 @@
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#include "utility/QEI/QEI.h"
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#include "utility/ioexpander/ArduinoIOExpander.h"
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#include "utility/RTC/PCF8563T.h"
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#include "utility/RTC/PCF8563T.h"
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#include "Arduino.h"
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#include "mbed.h"
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#include "USBHost.h"
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namespace machinecontrol {
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class RTDClass {
@@ -484,6 +487,36 @@ class RtcControllerClass : public PCF8563TClass {
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extern RtcControllerClass rtc_controller;
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}
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class USBClass {
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public:
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void init(const tusbh_class_reg_t *class_table) {
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usb.Init(USB_CORE_ID_FS, class_table);
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}
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void powerEnable() {
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power = 0;
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}
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void powerDisable() {
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power = 1;
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}
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bool vflagRead() {
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return usbflag;
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}
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USBHost usb;
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private:
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mbed::DigitalOut power = mbed::DigitalOut(PB_14);
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mbed::DigitalIn usbflag = mbed::DigitalIn(PB_15);
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};
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extern USBClass usb_controller;
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}
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#endif

‎src/Objects.cpp

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ProgrammableDINClass digital_inputs;
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ProgrammableDIOClass digital_programmables;
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RtcControllerClass rtc_controller;
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USBClass usb_controller;
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}

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