470 lines
10 KiB
C
470 lines
10 KiB
C
/*
|
|
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/* host driver for Bulegiga iWRAP */
|
|
/* Bluegiga BT12
|
|
* Connections
|
|
* Hardware UART Software UART BlueTooth
|
|
* PC=====UART=======AVR=====SUART====iWRAP(BT12)-----------PC
|
|
*
|
|
* - Hardware UART for Debug Console to communicate iWRAP
|
|
* - Software UART for iWRAP control to send keyboard/mouse data
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <avr/interrupt.h>
|
|
#include <util/delay.h>
|
|
#include "keycode.h"
|
|
#include "suart.h"
|
|
#include "uart.h"
|
|
#include "report.h"
|
|
#include "host_driver.h"
|
|
#include "iwrap.h"
|
|
#include "print.h"
|
|
|
|
|
|
/* iWRAP MUX mode utils. 3.10 HID raw mode(iWRAP_HID_Application_Note.pdf) */
|
|
#define MUX_HEADER(LINK, LENGTH) do { \
|
|
xmit(0xbf); /* SOF */ \
|
|
xmit(LINK); /* Link */ \
|
|
xmit(0x00); /* Flags */ \
|
|
xmit(LENGTH); /* Length */ \
|
|
} while (0)
|
|
#define MUX_FOOTER(LINK) xmit(LINK^0xff)
|
|
|
|
|
|
static uint8_t connected = 0;
|
|
//static uint8_t channel = 1;
|
|
|
|
/* iWRAP buffer */
|
|
#define MUX_BUF_SIZE 64
|
|
static char buf[MUX_BUF_SIZE];
|
|
static uint8_t snd_pos = 0;
|
|
|
|
#define MUX_RCV_BUF_SIZE 256
|
|
static char rcv_buf[MUX_RCV_BUF_SIZE];
|
|
static uint8_t rcv_head = 0;
|
|
static uint8_t rcv_tail = 0;
|
|
|
|
|
|
/* receive buffer */
|
|
static void rcv_enq(char c)
|
|
{
|
|
uint8_t next = (rcv_head + 1) % MUX_RCV_BUF_SIZE;
|
|
if (next != rcv_tail) {
|
|
rcv_buf[rcv_head] = c;
|
|
rcv_head = next;
|
|
}
|
|
}
|
|
|
|
static char rcv_deq(void)
|
|
{
|
|
char c = 0;
|
|
if (rcv_head != rcv_tail) {
|
|
c = rcv_buf[rcv_tail++];
|
|
rcv_tail %= MUX_RCV_BUF_SIZE;
|
|
}
|
|
return c;
|
|
}
|
|
|
|
/*
|
|
static char rcv_peek(void)
|
|
{
|
|
if (rcv_head == rcv_tail)
|
|
return 0;
|
|
return rcv_buf[rcv_tail];
|
|
}
|
|
*/
|
|
|
|
static void rcv_clear(void)
|
|
{
|
|
rcv_tail = rcv_head = 0;
|
|
}
|
|
|
|
/* iWRAP response */
|
|
ISR(PCINT1_vect, ISR_BLOCK) // recv() runs away in case of ISR_NOBLOCK
|
|
{
|
|
if ((SUART_IN_PIN & (1<<SUART_IN_BIT)))
|
|
return;
|
|
|
|
static volatile uint8_t mux_state = 0xff;
|
|
static volatile uint8_t mux_link = 0xff;
|
|
uint8_t c = recv();
|
|
switch (mux_state) {
|
|
case 0xff: // SOF
|
|
if (c == 0xbf)
|
|
mux_state--;
|
|
break;
|
|
case 0xfe: // Link
|
|
mux_state--;
|
|
mux_link = c;
|
|
break;
|
|
case 0xfd: // Flags
|
|
mux_state--;
|
|
break;
|
|
case 0xfc: // Length
|
|
mux_state = c;
|
|
break;
|
|
case 0x00:
|
|
mux_state = 0xff;
|
|
mux_link = 0xff;
|
|
break;
|
|
default:
|
|
if (mux_state--) {
|
|
uart_putchar(c);
|
|
rcv_enq(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------*
|
|
* iWRAP communication
|
|
*------------------------------------------------------------------*/
|
|
void iwrap_init(void)
|
|
{
|
|
// reset iWRAP if in already MUX mode after AVR software-reset
|
|
iwrap_send("RESET");
|
|
iwrap_mux_send("RESET");
|
|
_delay_ms(3000);
|
|
iwrap_send("\r\nSET CONTROL MUX 1\r\n");
|
|
_delay_ms(500);
|
|
iwrap_check_connection();
|
|
}
|
|
|
|
void iwrap_mux_send(const char *s)
|
|
{
|
|
rcv_clear();
|
|
MUX_HEADER(0xff, strlen((char *)s));
|
|
iwrap_send(s);
|
|
MUX_FOOTER(0xff);
|
|
}
|
|
|
|
void iwrap_send(const char *s)
|
|
{
|
|
while (*s)
|
|
xmit(*s++);
|
|
}
|
|
|
|
/* send buffer */
|
|
void iwrap_buf_add(uint8_t c)
|
|
{
|
|
// need space for '\0'
|
|
if (snd_pos < MUX_BUF_SIZE-1)
|
|
buf[snd_pos++] = c;
|
|
}
|
|
|
|
void iwrap_buf_del(void)
|
|
{
|
|
if (snd_pos)
|
|
snd_pos--;
|
|
}
|
|
|
|
void iwrap_buf_send(void)
|
|
{
|
|
buf[snd_pos] = '\0';
|
|
snd_pos = 0;
|
|
iwrap_mux_send(buf);
|
|
}
|
|
|
|
void iwrap_call(void)
|
|
{
|
|
char *p;
|
|
|
|
iwrap_mux_send("SET BT PAIR");
|
|
_delay_ms(500);
|
|
|
|
p = rcv_buf + rcv_tail;
|
|
while (!strncmp(p, "SET BT PAIR", 11)) {
|
|
p += 7;
|
|
strncpy(p, "CALL", 4);
|
|
strncpy(p+22, " 11 HID\n\0", 9);
|
|
print_S(p);
|
|
iwrap_mux_send(p);
|
|
// TODO: skip to next line
|
|
p += 57;
|
|
|
|
DEBUG_LED_CONFIG;
|
|
DEBUG_LED_ON;
|
|
_delay_ms(500);
|
|
DEBUG_LED_OFF;
|
|
_delay_ms(500);
|
|
DEBUG_LED_ON;
|
|
_delay_ms(500);
|
|
DEBUG_LED_OFF;
|
|
_delay_ms(500);
|
|
DEBUG_LED_ON;
|
|
_delay_ms(500);
|
|
DEBUG_LED_OFF;
|
|
_delay_ms(500);
|
|
DEBUG_LED_ON;
|
|
_delay_ms(500);
|
|
DEBUG_LED_OFF;
|
|
_delay_ms(500);
|
|
DEBUG_LED_ON;
|
|
_delay_ms(500);
|
|
DEBUG_LED_OFF;
|
|
_delay_ms(500);
|
|
}
|
|
iwrap_check_connection();
|
|
}
|
|
|
|
void iwrap_kill(void)
|
|
{
|
|
char c;
|
|
iwrap_mux_send("LIST");
|
|
_delay_ms(500);
|
|
|
|
while ((c = rcv_deq()) && c != '\n') ;
|
|
if (strncmp(rcv_buf + rcv_tail, "LIST ", 5)) {
|
|
print("no connection to kill.\n");
|
|
return;
|
|
}
|
|
// skip 10 'space' chars
|
|
for (uint8_t i = 10; i; i--)
|
|
while ((c = rcv_deq()) && c != ' ') ;
|
|
|
|
char *p = rcv_buf + rcv_tail - 5;
|
|
strncpy(p, "KILL ", 5);
|
|
strncpy(p + 22, "\n\0", 2);
|
|
print_S(p);
|
|
iwrap_mux_send(p);
|
|
_delay_ms(500);
|
|
|
|
iwrap_check_connection();
|
|
}
|
|
|
|
void iwrap_unpair(void)
|
|
{
|
|
iwrap_mux_send("SET BT PAIR");
|
|
_delay_ms(500);
|
|
|
|
char *p = rcv_buf + rcv_tail;
|
|
if (!strncmp(p, "SET BT PAIR", 11)) {
|
|
strncpy(p+29, "\n\0", 2);
|
|
print_S(p);
|
|
iwrap_mux_send(p);
|
|
}
|
|
}
|
|
|
|
void iwrap_sleep(void)
|
|
{
|
|
iwrap_mux_send("SLEEP");
|
|
}
|
|
|
|
void iwrap_sniff(void)
|
|
{
|
|
}
|
|
|
|
void iwrap_subrate(void)
|
|
{
|
|
}
|
|
|
|
bool iwrap_failed(void)
|
|
{
|
|
if (strncmp(rcv_buf, "SYNTAX ERROR", 12))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
uint8_t iwrap_connected(void)
|
|
{
|
|
return connected;
|
|
}
|
|
|
|
uint8_t iwrap_check_connection(void)
|
|
{
|
|
iwrap_mux_send("LIST");
|
|
_delay_ms(100);
|
|
|
|
if (strncmp(rcv_buf, "LIST ", 5) || !strncmp(rcv_buf, "LIST 0", 6))
|
|
connected = 0;
|
|
else
|
|
connected = 1;
|
|
return connected;
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------*
|
|
* Host driver
|
|
*------------------------------------------------------------------*/
|
|
static uint8_t keyboard_leds(void);
|
|
static void send_keyboard(report_keyboard_t *report);
|
|
static void send_mouse(report_mouse_t *report);
|
|
static void send_system(uint16_t data);
|
|
static void send_consumer(uint16_t data);
|
|
|
|
static host_driver_t driver = {
|
|
keyboard_leds,
|
|
send_keyboard,
|
|
send_mouse,
|
|
send_system,
|
|
send_consumer
|
|
};
|
|
|
|
host_driver_t *iwrap_driver(void)
|
|
{
|
|
return &driver;
|
|
}
|
|
|
|
static uint8_t keyboard_leds(void) {
|
|
return 0;
|
|
}
|
|
|
|
static void send_keyboard(report_keyboard_t *report)
|
|
{
|
|
if (!iwrap_connected() && !iwrap_check_connection()) return;
|
|
MUX_HEADER(0x01, 0x0c);
|
|
// HID raw mode header
|
|
xmit(0x9f);
|
|
xmit(0x0a); // Length
|
|
xmit(0xa1); // DATA(Input)
|
|
xmit(0x01); // Report ID
|
|
xmit(report->mods);
|
|
xmit(0x00); // reserved byte(always 0)
|
|
xmit(report->keys[0]);
|
|
xmit(report->keys[1]);
|
|
xmit(report->keys[2]);
|
|
xmit(report->keys[3]);
|
|
xmit(report->keys[4]);
|
|
xmit(report->keys[5]);
|
|
MUX_FOOTER(0x01);
|
|
}
|
|
|
|
static void send_mouse(report_mouse_t *report)
|
|
{
|
|
#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE)
|
|
if (!iwrap_connected() && !iwrap_check_connection()) return;
|
|
MUX_HEADER(0x01, 0x09);
|
|
// HID raw mode header
|
|
xmit(0x9f);
|
|
xmit(0x07); // Length
|
|
xmit(0xa1); // DATA(Input)
|
|
xmit(0x02); // Report ID
|
|
xmit(report->buttons);
|
|
xmit(report->x);
|
|
xmit(report->y);
|
|
xmit(report->v);
|
|
xmit(report->h);
|
|
MUX_FOOTER(0x01);
|
|
#endif
|
|
}
|
|
|
|
static void send_system(uint16_t data)
|
|
{
|
|
/* not supported */
|
|
}
|
|
|
|
static void send_consumer(uint16_t data)
|
|
{
|
|
#ifdef EXTRAKEY_ENABLE
|
|
static uint16_t last_data = 0;
|
|
uint8_t bits1 = 0;
|
|
uint8_t bits2 = 0;
|
|
uint8_t bits3 = 0;
|
|
|
|
if (!iwrap_connected() && !iwrap_check_connection()) return;
|
|
if (data == last_data) return;
|
|
last_data = data;
|
|
|
|
// 3.10 HID raw mode(iWRAP_HID_Application_Note.pdf)
|
|
switch (data) {
|
|
case AUDIO_VOL_UP:
|
|
bits1 = 0x01;
|
|
break;
|
|
case AUDIO_VOL_DOWN:
|
|
bits1 = 0x02;
|
|
break;
|
|
case AUDIO_MUTE:
|
|
bits1 = 0x04;
|
|
break;
|
|
case TRANSPORT_PLAY_PAUSE:
|
|
bits1 = 0x08;
|
|
break;
|
|
case TRANSPORT_NEXT_TRACK:
|
|
bits1 = 0x10;
|
|
break;
|
|
case TRANSPORT_PREV_TRACK:
|
|
bits1 = 0x20;
|
|
break;
|
|
case TRANSPORT_STOP:
|
|
bits1 = 0x40;
|
|
break;
|
|
case TRANSPORT_EJECT:
|
|
bits1 = 0x80;
|
|
break;
|
|
case AL_EMAIL:
|
|
bits2 = 0x01;
|
|
break;
|
|
case AC_SEARCH:
|
|
bits2 = 0x02;
|
|
break;
|
|
case AC_BOOKMARKS:
|
|
bits2 = 0x04;
|
|
break;
|
|
case AC_HOME:
|
|
bits2 = 0x08;
|
|
break;
|
|
case AC_BACK:
|
|
bits2 = 0x10;
|
|
break;
|
|
case AC_FORWARD:
|
|
bits2 = 0x20;
|
|
break;
|
|
case AC_STOP:
|
|
bits2 = 0x40;
|
|
break;
|
|
case AC_REFRESH:
|
|
bits2 = 0x80;
|
|
break;
|
|
case AL_CC_CONFIG:
|
|
bits3 = 0x01;
|
|
break;
|
|
case AL_CALCULATOR:
|
|
bits3 = 0x04;
|
|
break;
|
|
case AL_LOCK:
|
|
bits3 = 0x08;
|
|
break;
|
|
case AL_LOCAL_BROWSER:
|
|
bits3 = 0x10;
|
|
break;
|
|
case AC_MINIMIZE:
|
|
bits3 = 0x20;
|
|
break;
|
|
case TRANSPORT_RECORD:
|
|
bits3 = 0x40;
|
|
break;
|
|
case TRANSPORT_REWIND:
|
|
bits3 = 0x80;
|
|
break;
|
|
}
|
|
|
|
MUX_HEADER(0x01, 0x07);
|
|
xmit(0x9f);
|
|
xmit(0x05); // Length
|
|
xmit(0xa1); // DATA(Input)
|
|
xmit(0x03); // Report ID
|
|
xmit(bits1);
|
|
xmit(bits2);
|
|
xmit(bits3);
|
|
MUX_FOOTER(0x01);
|
|
#endif
|
|
}
|