ps2_vusb/main.c

   1 /* Name: main.c
   2  * Project: hid-mouse, a very simple HID example
   3  * Author: Christian Starkjohann
   4  * Creation Date: 2008-04-07
   5  * Tabsize: 4
   6  * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
   7  * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
   8  * This Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $
   9  */
  10
  11 /*
  12 This example should run on most AVRs with only little changes. No special
  13 hardware resources except INT0 are used. You may have to change usbconfig.h for
  14 different I/O pins for USB. Please note that USB D+ must be the INT0 pin, or
  15 at least be connected to INT0 as well.
  16
  17 We use VID/PID 0x046D/0xC00E which is taken from a Logitech mouse. Don't
  18 publish any hardware using these IDs! This is for demonstration only!
  19 */
  20
  21 #include <stdint.h>
  22 #include <avr/io.h>
  23 #include <avr/wdt.h>
  24 #include <avr/interrupt.h>  /* for sei() */
  25 #include <util/delay.h>     /* for _delay_ms() */
  26
  27 #include <avr/pgmspace.h>   /* required by usbdrv.h */
  28 #include "usbdrv.h"
  29 #include "usart_print.h"        /* This is also an example for using debug macros */
  30 #include "ps2.h"
  31 #include "usb_keycodes.h"
  32 #include "matrix_skel.h"
  33 #include "keymap_skel.h"
  34 #include "layer.h"
  35 #include "print.h"
  36 #include "debug.h"
  37 #include "sendchar.h"
  38 #include "keyboard.h"
  39 #include "timer.h"
  40
  41 /* ------------------------------------------------------------------------- */
  42 /* ----------------------------- USB interface ----------------------------- */
  43 /* ------------------------------------------------------------------------- */
  44
  45
  46
  47
  48
  49
  50 int main(void)
  51 {
  52 uchar   i;
  53
  54 print_enable = true;
  55 debug_enable = true;
  56 timer_init();
  57 matrix_init();
  58
  59     wdt_enable(WDTO_1S);
  60     /* Even if you don't use the watchdog, turn it off here. On newer devices,
  61      * the status of the watchdog (on/off, period) is PRESERVED OVER RESET!
  62      */
  63     /* RESET status: all port bits are inputs without pull-up.
  64      * That's the way we need D+ and D-. Therefore we don't need any
  65      * additional hardware initialization.
  66      */
  67     odDebugInit();
  68     DBG1(0x00, 0, 0);       /* debug output: main starts */
  69     usbInit();
  70     usbDeviceDisconnect();  /* enforce re-enumeration, do this while interrupts are disabled! */
  71     i = 0;
  72     while(--i){             /* fake USB disconnect for > 250 ms */
  73         wdt_reset();
  74         _delay_ms(1);
  75     }
  76     usbDeviceConnect();
  77     sei();
  78
  79     uint8_t fn_bits = 0;
  80     while (1) {                /* main event loop */
  81         DBG1(0x02, 0, 0);   /* debug output: main loop iterates */
  82         wdt_reset();
  83         usbPoll();
  84
  85 /*
  86 static uint8_t code = 0;
  87 code = ps2_host_recv();
  88 if (code) {
  89     odDebug(0x05, &code, 1);
  90 }
  91 */
  92         matrix_scan();
  93         if (matrix_is_modified()) {
  94             //matrix_print();   // too heavy on USART
  95             fn_bits = 0;
  96             report_swap();
  97             report_clear();
  98             for (int row = 0; row < matrix_rows(); row++) {
  99                 for (int col = 0; col < matrix_cols(); col++) {
 100                     if (!matrix_is_on(row, col)) continue;
 101
 102                     uint8_t code = layer_get_keycode(row, col);
 103                     if (code == KB_NO) {
 104                         // do nothing
 105                     }
 106                     else if (IS_MOD(code)) {
 107                         report_add_mod(MOD_BIT(code));
 108                     }
 109                     else if (IS_KEY(code)) {
 110                         report_add_key(code);
 111                     }
 112                     else if (IS_FN(code)) {
 113                         fn_bits |= FN_BIT(code);
 114                     }
 115                     else {
 116                         debug("ignore keycode: "); debug_hex(code); debug("\n");
 117                     }
 118                 }
 119             }
 120         }
 121         layer_switching(fn_bits);
 122         if (matrix_is_modified()) {
 123             report_send();
 124         }
 125     }
 126 }