335 lines
8.8 KiB
C
335 lines
8.8 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.h"
|
|
#include "tusb.h"
|
|
|
|
//--------------------------------------------------------------------+
|
|
// MACRO CONSTANT TYPEDEF PROTYPES
|
|
//--------------------------------------------------------------------+
|
|
void print_greeting(void);
|
|
void led_blinking_task(void);
|
|
|
|
extern void cdc_task(void);
|
|
extern void hid_task(void);
|
|
|
|
/*------------- MAIN -------------*/
|
|
int main(void)
|
|
{
|
|
board_init();
|
|
print_greeting();
|
|
|
|
tusb_init();
|
|
|
|
while (1)
|
|
{
|
|
// tinyusb host task
|
|
tuh_task();
|
|
|
|
led_blinking_task();
|
|
|
|
#if CFG_TUH_CDC
|
|
cdc_task();
|
|
#endif
|
|
|
|
#if CFG_TUH_HID_KEYBOARD || CFG_TUH_HID_MOUSE
|
|
hid_task();
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// USB CDC
|
|
//--------------------------------------------------------------------+
|
|
#if CFG_TUH_CDC
|
|
CFG_TUSB_MEM_SECTION static char serial_in_buffer[64] = { 0 };
|
|
|
|
void tuh_mount_cb(uint8_t dev_addr)
|
|
{
|
|
// application set-up
|
|
printf("A device with address %d is mounted\r\n", dev_addr);
|
|
|
|
tuh_cdc_receive(dev_addr, serial_in_buffer, sizeof(serial_in_buffer), true); // schedule first transfer
|
|
}
|
|
|
|
void tuh_umount_cb(uint8_t dev_addr)
|
|
{
|
|
// application tear-down
|
|
printf("A device with address %d is unmounted \r\n", dev_addr);
|
|
}
|
|
|
|
// invoked ISR context
|
|
void tuh_cdc_xfer_isr(uint8_t dev_addr, xfer_result_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes)
|
|
{
|
|
(void) event;
|
|
(void) pipe_id;
|
|
(void) xferred_bytes;
|
|
|
|
printf(serial_in_buffer);
|
|
tu_memclr(serial_in_buffer, sizeof(serial_in_buffer));
|
|
|
|
tuh_cdc_receive(dev_addr, serial_in_buffer, sizeof(serial_in_buffer), true); // waiting for next data
|
|
}
|
|
|
|
void cdc_task(void)
|
|
{
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
//--------------------------------------------------------------------+
|
|
// USB HID
|
|
//--------------------------------------------------------------------+
|
|
#if CFG_TUH_HID_KEYBOARD
|
|
|
|
CFG_TUSB_MEM_SECTION static hid_keyboard_report_t usb_keyboard_report;
|
|
uint8_t const keycode2ascii[128][2] = { HID_KEYCODE_TO_ASCII };
|
|
|
|
// look up new key in previous keys
|
|
static inline bool find_key_in_report(hid_keyboard_report_t const *p_report, uint8_t keycode)
|
|
{
|
|
for(uint8_t i=0; i<6; i++)
|
|
{
|
|
if (p_report->keycode[i] == keycode) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline void process_kbd_report(hid_keyboard_report_t const *p_new_report)
|
|
{
|
|
static hid_keyboard_report_t prev_report = { 0, 0, {0} }; // previous report to check key released
|
|
|
|
//------------- example code ignore control (non-printable) key affects -------------//
|
|
for(uint8_t i=0; i<6; i++)
|
|
{
|
|
if ( p_new_report->keycode[i] )
|
|
{
|
|
if ( find_key_in_report(&prev_report, p_new_report->keycode[i]) )
|
|
{
|
|
// exist in previous report means the current key is holding
|
|
}else
|
|
{
|
|
// not existed in previous report means the current key is pressed
|
|
bool const is_shift = p_new_report->modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT);
|
|
uint8_t ch = keycode2ascii[p_new_report->keycode[i]][is_shift ? 1 : 0];
|
|
putchar(ch);
|
|
if ( ch == '\r' ) putchar('\n'); // added new line for enter key
|
|
|
|
fflush(stdout); // flush right away, else nanolib will wait for newline
|
|
}
|
|
}
|
|
// TODO example skips key released
|
|
}
|
|
|
|
prev_report = *p_new_report;
|
|
}
|
|
|
|
void tuh_hid_keyboard_mounted_cb(uint8_t dev_addr)
|
|
{
|
|
// application set-up
|
|
printf("A Keyboard device (address %d) is mounted\r\n", dev_addr);
|
|
|
|
tuh_hid_keyboard_get_report(dev_addr, &usb_keyboard_report);
|
|
}
|
|
|
|
void tuh_hid_keyboard_unmounted_cb(uint8_t dev_addr)
|
|
{
|
|
// application tear-down
|
|
printf("A Keyboard device (address %d) is unmounted\r\n", dev_addr);
|
|
}
|
|
|
|
// invoked ISR context
|
|
void tuh_hid_keyboard_isr(uint8_t dev_addr, xfer_result_t event)
|
|
{
|
|
(void) dev_addr;
|
|
(void) event;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if CFG_TUH_HID_MOUSE
|
|
|
|
CFG_TUSB_MEM_SECTION static hid_mouse_report_t usb_mouse_report;
|
|
|
|
void cursor_movement(int8_t x, int8_t y, int8_t wheel)
|
|
{
|
|
//------------- X -------------//
|
|
if ( x < 0)
|
|
{
|
|
printf(ANSI_CURSOR_BACKWARD(%d), (-x)); // move left
|
|
}else if ( x > 0)
|
|
{
|
|
printf(ANSI_CURSOR_FORWARD(%d), x); // move right
|
|
}else { }
|
|
|
|
//------------- Y -------------//
|
|
if ( y < 0)
|
|
{
|
|
printf(ANSI_CURSOR_UP(%d), (-y)); // move up
|
|
}else if ( y > 0)
|
|
{
|
|
printf(ANSI_CURSOR_DOWN(%d), y); // move down
|
|
}else { }
|
|
|
|
//------------- wheel -------------//
|
|
if (wheel < 0)
|
|
{
|
|
printf(ANSI_SCROLL_UP(%d), (-wheel)); // scroll up
|
|
}else if (wheel > 0)
|
|
{
|
|
printf(ANSI_SCROLL_DOWN(%d), wheel); // scroll down
|
|
}else { }
|
|
}
|
|
|
|
static inline void process_mouse_report(hid_mouse_report_t const * p_report)
|
|
{
|
|
static hid_mouse_report_t prev_report = { 0 };
|
|
|
|
//------------- button state -------------//
|
|
uint8_t button_changed_mask = p_report->buttons ^ prev_report.buttons;
|
|
if ( button_changed_mask & p_report->buttons)
|
|
{
|
|
printf(" %c%c%c ",
|
|
p_report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-',
|
|
p_report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-',
|
|
p_report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-');
|
|
}
|
|
|
|
//------------- cursor movement -------------//
|
|
cursor_movement(p_report->x, p_report->y, p_report->wheel);
|
|
}
|
|
|
|
|
|
void tuh_hid_mouse_mounted_cb(uint8_t dev_addr)
|
|
{
|
|
// application set-up
|
|
printf("A Mouse device (address %d) is mounted\r\n", dev_addr);
|
|
}
|
|
|
|
void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr)
|
|
{
|
|
// application tear-down
|
|
printf("A Mouse device (address %d) is unmounted\r\n", dev_addr);
|
|
}
|
|
|
|
// invoked ISR context
|
|
void tuh_hid_mouse_isr(uint8_t dev_addr, xfer_result_t event)
|
|
{
|
|
(void) dev_addr;
|
|
(void) event;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
void hid_task(void)
|
|
{
|
|
uint8_t const addr = 1;
|
|
|
|
#if CFG_TUH_HID_KEYBOARD
|
|
if ( tuh_hid_keyboard_is_mounted(addr) )
|
|
{
|
|
if ( !tuh_hid_keyboard_is_busy(addr) )
|
|
{
|
|
process_kbd_report(&usb_keyboard_report);
|
|
tuh_hid_keyboard_get_report(addr, &usb_mouse_report);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if CFG_TUH_HID_MOUSE
|
|
if ( tuh_hid_mouse_is_mounted(addr) )
|
|
{
|
|
if ( !tuh_hid_mouse_is_busy(addr) )
|
|
{
|
|
process_mouse_report(&usb_mouse_report);
|
|
tuh_hid_mouse_get_report(addr, &usb_mouse_report);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// tinyusb callbacks
|
|
//--------------------------------------------------------------------+
|
|
|
|
//--------------------------------------------------------------------+
|
|
// 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
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// HELPER FUNCTION
|
|
//--------------------------------------------------------------------+
|
|
void print_greeting(void)
|
|
{
|
|
char const * const rtos_name[] =
|
|
{
|
|
[OPT_OS_NONE] = "None",
|
|
[OPT_OS_FREERTOS] = "FreeRTOS",
|
|
};
|
|
|
|
printf("--------------------------------------------------------------------\r\n");
|
|
printf("- Host example\r\n");
|
|
printf("- if you find any bugs or get any questions, feel free to file an\r\n");
|
|
printf("- issue at https://github.com/hathach/tinyusb\r\n");
|
|
printf("--------------------------------------------------------------------\r\n\r\n");
|
|
|
|
printf("This Host demo is configured to support:\r\n");
|
|
printf(" - RTOS = %s\r\n", rtos_name[CFG_TUSB_OS]);
|
|
|
|
#if CFG_TUH_CDC
|
|
printf(" - Communication Device Class\r\n");
|
|
#endif
|
|
|
|
#if CFG_TUH_MSC
|
|
printf(" - Mass Storage\r\n");
|
|
#endif
|
|
|
|
// if (CFG_TUH_HID_KEYBOARD ) puts(" - HID Keyboard");
|
|
// if (CFG_TUH_HID_MOUSE ) puts(" - HID Mouse");
|
|
}
|