project for a (works on my devices) demo
This commit is contained in:
beno
303
sources/input/input_events.c
Normal file
303
sources/input/input_events.c
Normal file
@@ -0,0 +1,303 @@
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#include "../../headers/input/input_events.h"
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#include <stdio.h>
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/* capturing all the keys known by linux */
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unsigned char buffered_keys[KEY_CNT];
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/*
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glut exposes
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keypress
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until a key is pressed, will keep invoking the keypress callback
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mousemoved
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absolute x and y of the mouse
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*/
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void dispatch_input_event( device_event event){
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switch( event.type){
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case EV_SYN:
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//printf("separator for %u : %d\n", event.code, event.value);
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break;
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case EV_KEY:
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dispatch_input_key_event( event);
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break;
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case EV_REL:
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//printf("delta event %d : %d\n", event.code, event.value);
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break;
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case EV_ABS:
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dispatch_input_absolute_event( event);
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break;
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case EV_MSC:
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//printf("miscellaneous event for %u : %d\n", event.code, event.value);
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break;
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case EV_SW:
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//printf("binary switch event for %u : %d\n", event.code, event.value);
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break;
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case EV_LED:
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//printf("led toggle event for %u : %d\n", event.code, event.value);
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break;
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case EV_SND:
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//printf("sound event for %u : %d\n", event.code, event.value);
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break;
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case EV_REP:
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//printf("autorepeating event for %u : %d\n", event.code, event.value);
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break;
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case EV_FF:
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//printf("force-feedback event for %u : %d\n", event.code, event.value);
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break;
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case EV_PWR:
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//printf("power toggle event for %u : %d\n", event.code, event.value);
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break;
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case EV_FF_STATUS:
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//printf("force-feedback status event for %u : %d\n", event.code, event.value);
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break;
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default:
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printf("unknown event for %u : %d\n", event.code, event.value);
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}
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}
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void dispatch_input_key_event( device_event event){
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/* goes from KEY_RESERVED = 0 to KEY_MAX = 0x2ff */
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printf("this is dispatch_input_key_event\n");
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/* common keyboard codes from 0 up to KEY_MACRO, before KEY_MUTE */
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if( event.code < KEY_MUTE){
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dispatch_keyboard_keys( event);
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}
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/* INTERESTING KEYS BEGIN */
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/* interesting keys from KEY_MIN_INTERESTING = KEY_MUTE up to BTN_DEAD, before BTN_GAMEPAD */
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else if( event.code >= KEY_MUTE && event.code <= BTN_DEAD){
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dispatch_interesting_keys_1( event);
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}
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/* NO GAP */
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/* joypad keys, from BTN_GAMEPAD up to BTN_THUMBR, gap of one before BTN_DIGI */
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else if( event.code >= BTN_GAMEPAD && event.code <= BTN_THUMBR){
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dispatch_interesting_keys_2( event);
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}
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/* GAP OF ONE between this and the previous.. */
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/* ignored keys */
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/* interesting keys, from BTN_DIGI up to the MAX */
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else if( event.code >= BTN_DIGI && event.code <= KEY_MAX){
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dispatch_interesting_keys_3( event);
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}
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else{
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printf("UNKNOWN KEY EVENT CODE %d with value %d\n", event.code, event.value);
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}
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}
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void dispatch_input_absolute_event( device_event event){
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if(event.code < ABS_RESERVED){
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dispatch_regular_absolute_event( event);
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}
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/* a gap for ABS_RESERVED */
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else if( event.code >= ABS_MT_SLOT && event.code <= ABS_MT_TOOL_Y){
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dispatch_multitouch_event( event);
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}
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else{
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printf("UNKNOWN ABSOLUTE EVENT CODE %d with value %d\n", event.code, event.value);
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}
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}
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void dispatch_regular_absolute_event( device_event event){
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switch( event.code){
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case ABS_X:
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//cursor_x = event.value;
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//printf("WARN !!! ABS_X untracked %d\n", event.value);
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break;
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case ABS_Y:
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//cursor_y = event.value;
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//printf("WARN !!! ABS_Y untracked %d\n", event.value);
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break;
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default:
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printf("UNKNOWN REGULAR ABSOLUTE EVENT CODE %d with value %d\n", event.code, event.value);
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}
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}
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void dispatch_multitouch_event( device_event event){
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switch( event.code){
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case ABS_MT_SLOT: /* MT slot being modified */
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//printf("ABS_MT_SLOT [MULTITOUCH SLOT MODIFIED] %d\n", event.value);
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TC_L1_builder_set_slot_number( event.value);
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break;
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case ABS_MT_TOUCH_MAJOR: /* Major axis of touching ellipse */
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// printf("ABS_MT_TOUCH_MAJOR [MAJOR AXIS OF TOUCH ELLIPSE] %d\n", event.value);
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TC_L1_builder_set_major_axis( event.value);
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break;
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case ABS_MT_TOUCH_MINOR: /* Minor axis (omit if circular) */
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// printf("ABS_MT_TOUCH_MINOR [MINOR AXIS OF TOUCH ELLIPSE] %d\n", event.value);
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break;
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case ABS_MT_WIDTH_MAJOR: /* Major axis of approaching ellipse */
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// printf("ABS_MT_WIDTH_MAJOR [MAJOR AXIS OF APPROACHING ELLIPSE] %d\n", event.value);
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TC_L1_builder_set_approaching_major_axis( event.value);
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break;
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case ABS_MT_WIDTH_MINOR: /* Minor axis (omit if circular) */
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// printf("ABS_MT_WIDTH_MINOR [MINOR AXIS OF APPROACHING ELLIPSE] %d\n", event.value);
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break;
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case ABS_MT_ORIENTATION: /* Ellipse orientation */
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// printf("ABS_MT_ORIENTATION [ELLIPSE ORIENTATION] %d\n", event.value);
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break;
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case ABS_MT_POSITION_X: /* Center X touch position */
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// printf("ABS_MT_POSITION_X [CENTER X TOUCH POSITION] %d\n", event.value);
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TC_L1_builder_set_position_x( event.value);
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break;
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case ABS_MT_POSITION_Y: /* Center Y touch position */
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//printf("ABS_MT_POSITION_Y [CENTER Y TOUCH POSITION] %d\n", event.value);
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TC_L1_builder_set_position_y( event.value);
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break;
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case ABS_MT_TOOL_TYPE: /* Type of touching device */
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// printf("ABS_MT_TOOL_TYPE [TYPE OF TOUCHING DEVICE] %d\n", event.value);
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break;
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case ABS_MT_BLOB_ID: /* Group a set of packets as a blob */
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// printf("ABS_MT_BLOB_ID [GROUP A SET OF PACKETS AS A BLOB] %d\n", event.value);
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break;
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case ABS_MT_TRACKING_ID: /* Unique ID of initiated contact */
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//printf("ABS_MT_TRACKING_ID [UNIQUE ID OF INITIATED CONTACT] %d\n", event.value);
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TC_L1_builder_set_tracking_id( event.value);
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break;
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case ABS_MT_PRESSURE: /* Pressure on contact area */
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// printf("ABS_MT_PRESSURE [PRESSURE ON CONTACT AREA] %d\n", event.value);
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break;
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case ABS_MT_DISTANCE: /* Contact hover distance */
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// printf("ABS_MT_DISTANCE [CONTACT HOVER DISTANCE] %d\n", event.value);
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break;
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case ABS_MT_TOOL_X: /* Center X tool position */
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// printf("ABS_MT_TOOL_X [CENTER X TOOL POSITION] %d\n", event.value);
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break;
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case ABS_MT_TOOL_Y: /* Center Y tool position */
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// printf("ABS_MT_TOOL_Y [CENTER Y TOOL POSITION] %d\n", event.value);
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break;
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}
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}
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/* common keyboard codes from 0 up to KEY_MACRO, before KEY_MUTE */
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void dispatch_keyboard_keys( device_event event){
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printf("IGNORED KEY EVENT CODE %d with value %d [KEYBOARD GROUP]\n", event.code, event.value);
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}
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/* interesting keys from KEY_MIN_INTERESTING = KEY_MUTE up to BTN_DEAD, before BTN_GAMEPAD */
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void dispatch_interesting_keys_1( device_event event){
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printf("UNKNOWN KEY EVENT CODE %d with value %d [INTERESTING GROUP]\n", event.code, event.value);
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}
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/* joypad keys, from BTN_GAMEPAD up to BTN_THUMBR, gap of one before BTN_DIGI */
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void dispatch_interesting_keys_2( device_event event){
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/* NO OFFSET NEEDED, THEY START FROM 0 */
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/* could also store the transitions
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unsigned char buffered_keys_transition[KEY_CNT];
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*/
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printf("interesting key [JOYPAD] %x %x\n", event.code, event.value);
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buffered_keys[event.code] = (char) event.value; /* they only have 3 states : press, released, retriggered */
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}
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/* interesting keys, from BTN_DIGI up to the MAX */
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void dispatch_interesting_keys_3( device_event event){
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if( event.code == BTN_TOUCH){
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printf("TOUCH EVENT %s\n", (event.value) ? "BEGIN" : "END");
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}
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else{
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printf("UNKNOWN KEY EVENT CODE %d with value %d [INTERESTING GROUP]\n", event.code, event.value);
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buffered_keys[event.code] = (char) event.value; /* they only have 3 states : press, released, retriggered */
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}
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}
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/* reserving the NULL character code for unsupported keys
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maps from linux input.h key codes to ascii
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*/
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/*
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UPPERCASE REQUIRES QUERYING THE STATE OF THE SHIFT KEY
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*/
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char get_ascii_code( unsigned short linux_code){
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/* yanderedev would be proud of me... :'( */
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switch( linux_code){
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case KEY_DELETE:
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return 0x18; /* refer to ascii CANCEL (non printable) instead of DELETE (printable)*/
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case KEY_ESC:
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return 0x1b;
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/* KEY_1 is 0x2 KEY_9 is 0xA KEY_0 is 0xB */
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/* ASCII 0 is 0x30 ASCII 9 is 0x39 */
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case KEY_1:
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case KEY_2:
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case KEY_3:
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case KEY_4:
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case KEY_5:
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case KEY_6:
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case KEY_7:
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case KEY_8:
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case KEY_9:
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/* ASCII 1 - (lin_1 - lin_code) */
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return ( 0x31 + ( 0x2 - linux_code));
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case KEY_0:
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return 0x30;
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case KEY_BACKSPACE:
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return 0x8;
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case KEY_TAB:
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return 0x9;
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case KEY_SPACE:
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return 0x20;
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case KEY_A:
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return 0x41;
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case KEY_B:
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return 0x42;
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case KEY_C:
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return 0x43;
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case KEY_D:
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return 0x44;
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case KEY_E:
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return 0x45;
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case KEY_F:
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return 0x46;
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case KEY_G:
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return 0x47;
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case KEY_H:
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return 0x48;
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case KEY_I:
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return 0x49;
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case KEY_J:
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return 0x4a;
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case KEY_K:
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return 0x4b;
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case KEY_L:
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return 0x4c;
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case KEY_M:
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return 0x4d;
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case KEY_N:
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return 0x4e;
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case KEY_O:
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return 0x4f;
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case KEY_P:
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return 0x50;
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case KEY_Q:
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return 0x51;
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case KEY_R:
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return 0x52;
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case KEY_S:
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return 0x53;
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case KEY_T:
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return 0x54;
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case KEY_U:
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return 0x55;
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case KEY_V:
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return 0x56;
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case KEY_W:
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return 0x57;
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case KEY_X:
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return 0x58;
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case KEY_Y:
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return 0x59;
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case KEY_Z:
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return 0x5a;
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default:
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return 0;
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}
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}
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