Moved files to common, protocol and doc directory

1 files changed, 378 insertions, 0 deletions

diff --git a/protocol/iwrap/main.c b/protocol/iwrap/main.c
new file mode 100644
index 0000000000..a552afb67e
--- /dev/null
+++ b/protocol/iwrap/main.c
@@ -0,0 +1,378 @@
+/*
+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/>.
+*/
+#include <stdint.h>
+#include <avr/interrupt.h>
+#include <avr/io.h>
+//#include <avr/wdt.h>
+#include "wd.h" // in order to use watchdog in interrupt mode
+#include <avr/sleep.h>
+#include <util/delay.h>
+#include <avr/power.h>
+#include "keyboard.h"
+#include "matrix.h"
+#include "host.h"
+#include "iwrap.h"
+#ifdef HOST_VUSB
+#   include "vusb.h"
+#   include "usbdrv.h"
+#endif
+#include "uart.h"
+#include "suart.h"
+#include "timer.h"
+#include "debug.h"
+#include "usb_keycodes.h"
+#include "command.h"
+
+
+static void sleep(uint8_t term);
+static bool console(void);
+static uint8_t console_command(uint8_t c);
+static uint8_t key2asc(uint8_t key);
+
+
+/*
+static void set_prr(void)
+{
+    power_adc_disable();
+    power_spi_disable();
+    power_twi_disable();
+#ifndef TIMER_H
+    //power_timer0_disable(); // used in timer.c
+#endif
+    power_timer1_disable();
+    power_timer2_disable();
+}
+*/
+
+/*
+static void pullup_pins(void)
+{
+    // DDRs are set to 0(input) by default.
+#ifdef PORTA
+    PORTA = 0xFF;
+#endif
+    PORTB = 0xFF;
+    PORTC = 0xFF;
+    PORTD = 0xFF;
+#ifdef PORTE
+    PORTE = 0xFF;
+#endif
+#ifdef PORTE
+    PORTF = 0xFF;
+#endif
+}
+*/
+
+
+#ifdef HOST_VUSB
+static void disable_vusb(void)
+{
+    // disable interrupt & disconnect to prevent host from enumerating
+    USB_INTR_ENABLE &= ~(1 << USB_INTR_ENABLE_BIT);
+    usbDeviceDisconnect();
+}
+
+static void enable_vusb(void)
+{
+    USB_INTR_ENABLE |= (1 << USB_INTR_ENABLE_BIT);
+    usbDeviceConnect();
+}
+
+static void init_vusb(void)
+{
+    uint8_t i = 0;
+
+    usbInit();
+    disable_vusb();
+    /* fake USB disconnect for > 250 ms */
+    while(--i){
+        _delay_ms(1);
+    }
+    enable_vusb();
+}
+#endif
+
+void change_driver(host_driver_t *driver)
+{
+    host_clear_keyboard_report();
+    host_swap_keyboard_report();
+    host_clear_keyboard_report();
+    host_send_keyboard_report();
+    _delay_ms(1000);
+    host_set_driver(driver);
+}
+
+
+static bool sleeping = false;
+static bool insomniac = false;   // TODO: should be false for power saving
+static uint16_t last_timer = 0;
+
+int main(void)
+{
+    MCUSR = 0;
+    clock_prescale_set(clock_div_1);
+    WD_SET(WD_OFF);
+
+    // power saving: the result is worse than nothing... why?
+    //pullup_pins();
+    //set_prr();
+
+    print_enable = true;
+    debug_enable = false;
+
+#ifdef HOST_VUSB
+    disable_vusb();
+#endif
+    uart_init(115200);
+    keyboard_init();
+    print("\nSend BREAK for UART Console Commands.\n");
+
+    // TODO: move to iWRAP/suart file
+    print("suart init\n");
+    // suart init
+    // PC4: Tx Output IDLE(Hi)
+    PORTC |= (1<<4);
+    DDRC  |= (1<<4);
+    // PC5: Rx Input(pull-up)
+    PORTC |= (1<<5);
+    DDRC  &= ~(1<<5);
+    // suart receive interrut(PC5/PCINT13)
+    PCMSK1 = 0b00100000;
+    PCICR  = 0b00000010;
+
+    host_set_driver(iwrap_driver());
+
+    print("iwrap_init()\n");
+    iwrap_init();
+    iwrap_call();
+
+    last_timer = timer_read();
+    while (true) {
+#ifdef HOST_VUSB
+        if (host_get_driver() == vusb_driver())
+            usbPoll();
+#endif
+        keyboard_proc();
+#ifdef HOST_VUSB
+        if (host_get_driver() == vusb_driver())
+            vusb_transfer_keyboard();
+#endif
+        if (matrix_is_modified() || console()) {
+            last_timer = timer_read();
+            sleeping = false;
+        } else if (!sleeping && timer_elapsed(last_timer) > 4000) {
+            sleeping = true;
+            iwrap_check_connection();
+        }
+
+        if (host_get_driver() == iwrap_driver()) {
+            if (sleeping && !insomniac) {
+                _delay_ms(1);   // wait for UART to send
+                iwrap_sleep();
+                sleep(WDTO_60MS);
+            }
+        }
+    }
+}
+
+static void sleep(uint8_t term)
+{
+    WD_SET(WD_IRQ, term);
+
+    cli();
+    set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+    sleep_enable();
+    sleep_bod_disable();
+    sei();
+    sleep_cpu();
+    sleep_disable();
+
+    WD_SET(WD_OFF);
+}
+
+ISR(WDT_vect)
+{
+    // wake up
+}
+
+static bool console(void)
+{
+        // Send to Bluetoot module WT12
+        static bool breaked = false;
+        if (!uart_available())
+            return false;
+        else {
+            uint8_t c;
+            c = uart_getchar();
+            uart_putchar(c);
+            switch (c) {
+                case 0x00: // BREAK signal
+                    if (!breaked) {
+                        print("break(? for help): ");
+                        breaked = true;
+                    }
+                    break;
+                case '\r':
+                    uart_putchar('\n');
+                    iwrap_buf_send();
+                    break;
+                case '\b':
+                    iwrap_buf_del();
+                    break;
+                default:
+                    if (breaked) {
+                        print("\n");
+                        console_command(c);
+                        breaked = false;
+                    } else {
+                        iwrap_buf_add(c);
+                    }
+                    break;
+            }
+            return true;
+        }
+}
+
+uint8_t command_extra()
+{
+    return console_command(key2asc(host_get_first_key()));
+}
+
+static uint8_t console_command(uint8_t c)
+{
+    switch (c) {
+        case 'h':
+        case '?':
+            print("\nCommands for Bluetooth(WT12/iWRAP):\n");
+            print("r: reset. software reset by watchdog\n");
+            print("i: insomniac. prevent KB from sleeping\n");
+            print("c: iwrap_call. CALL for BT connection.\n");
+#ifdef HOST_VUSB
+            print("u: USB mode. switch to USB.\n");
+            print("w: BT mode. switch to Bluetooth.\n");
+#endif
+            print("k: kill first connection.\n");
+            print("Del: unpair first pairing.\n");
+            print("\n");
+            return 0;
+        case 'r':
+            print("reset\n");
+            WD_AVR_RESET();
+            return 1;
+        case 'i':
+            insomniac = !insomniac;
+            if (insomniac)
+                print("insomniac\n");
+            else
+                print("not insomniac\n");
+            return 1;
+        case 'c':
+            print("iwrap_call()\n");
+            iwrap_call();
+            return 1;
+#ifdef HOST_VUSB
+        case 'u':
+            print("USB mode\n");
+            init_vusb();
+            change_driver(vusb_driver());
+            //iwrap_kill();
+            //iwrap_sleep();
+            // disable suart receive interrut(PC5/PCINT13)
+            PCMSK1 &= ~(0b00100000);
+            PCICR  &= ~(0b00000010);
+            return 1;
+        case 'w':
+            print("iWRAP mode\n");
+            change_driver(iwrap_driver());
+            disable_vusb();
+            // enable suart receive interrut(PC5/PCINT13)
+            PCMSK1 |= 0b00100000;
+            PCICR  |= 0b00000010;
+            return 1;
+#endif
+        case 'k':
+            print("kill\n");
+            iwrap_kill();
+            return 1;
+        case 0x7F:  // DELETE
+            print("unpair\n");
+            iwrap_unpair();
+            return 1;
+    }
+    return 0;
+}
+
+// convert keycode into ascii charactor
+static uint8_t key2asc(uint8_t key)
+{
+    switch (key) {
+        case KB_A: return 'a';
+        case KB_B: return 'b';
+        case KB_C: return 'c';
+        case KB_D: return 'd';
+        case KB_E: return 'e';
+        case KB_F: return 'f';
+        case KB_G: return 'g';
+        case KB_H: return 'h';
+        case KB_I: return 'i';
+        case KB_J: return 'j';
+        case KB_K: return 'k';
+        case KB_L: return 'l';
+        case KB_M: return 'm';
+        case KB_N: return 'n';
+        case KB_O: return 'o';
+        case KB_P: return 'p';
+        case KB_Q: return 'q';
+        case KB_R: return 'r';
+        case KB_S: return 's';
+        case KB_T: return 't';
+        case KB_U: return 'u';
+        case KB_V: return 'v';
+        case KB_W: return 'w';
+        case KB_X: return 'x';
+        case KB_Y: return 'y';
+        case KB_Z: return 'z';
+        case KB_1: return '1';
+        case KB_2: return '2';
+        case KB_3: return '3';
+        case KB_4: return '4';
+        case KB_5: return '5';
+        case KB_6: return '6';
+        case KB_7: return '7';
+        case KB_8: return '8';
+        case KB_9: return '9';
+        case KB_0: return '0';
+        case KB_ENTER: return '\n';
+        case KB_ESCAPE: return 0x1B;
+        case KB_BSPACE: return '\b';
+        case KB_TAB: return '\t';
+        case KB_SPACE: return ' ';
+        case KB_MINUS: return '-';
+        case KB_EQUAL: return '=';
+        case KB_LBRACKET: return '[';
+        case KB_RBRACKET: return ']';
+        case KB_BSLASH: return '\\';
+        case KB_NONUS_HASH: return '\\';
+        case KB_SCOLON: return ';';
+        case KB_QUOTE: return '\'';
+        case KB_GRAVE: return '`';
+        case KB_COMMA: return ',';
+        case KB_DOT: return '.';
+        case KB_SLASH: return '/';
+        default: return 0x00;
+    }
+}