wii_ec.c

#include  <stdint.h>
#include  <furi.h>        // Core API

#include  "wii_anal.h"
#include  "wii_i2c.h"
#include  "wii_ec.h"
#include  "bc_logging.h"

#include  "gfx/images.h"     // Images
#include  "wii_anal_lcd.h"   // Drawing functions
#include  "wii_anal_keys.h"  // key mappings

//----------------------------------------------------------------------------- ----------------------------------------
// List of known perhipherals
//
// More perhipheral ID codes here:  https://wiibrew.org/wiki/Wiimote/Extension_Controllers#The_New_Way
//
const ecId_t  ecId[PID_CNT] = {
	[PID_UNKNOWN    ] = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, "Unknown Perhipheral", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, ec_show, ec_key},

	// If you're wise, ONLY edit this bit
	[PID_NUNCHUCK   ] = { {0x00, 0x00, 0xA4, 0x20, 0x00, 0x00}, "Nunchuck", SCENE_NUNCHUCK,
	                      NULL, nunchuck_decode, nunchuck_msg, nunchuck_calib, nunchuck_show, nunchuck_key },

	[PID_NUNCHUCK_R2] = { {0xFF, 0x00, 0xA4, 0x20, 0x00, 0x00}, "Nunchuck (rev2)", SCENE_NUNCHUCK,
	                      NULL, nunchuck_decode, nunchuck_msg, nunchuck_calib, nunchuck_show, nunchuck_key },

	[PID_CLASSIC    ] = { {0x00, 0x00, 0xA4, 0x20, 0x01, 0x01}, "Classic Controller", SCENE_CLASSIC,
	                      NULL, classic_decode, classic_msg, classic_calib, classic_show, classic_key },

	[PID_CLASSIC_PRO] = { {0x01, 0x00, 0xA4, 0x20, 0x01, 0x01}, "Classic Controller Pro", SCENE_CLASSIC,
	                      NULL, classic_decode, classic_msg, classic_calib, classic_show, classic_key },

	[PID_BALANCE    ] = { {0x00, 0x00, 0xA4, 0x20, 0x04, 0x02}, "Balance Board", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, NULL, NULL },

	[PID_GH_GUITAR  ] = { {0x00, 0x00, 0xA4, 0x20, 0x01, 0x03}, "Guitar Hero Guitar", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, NULL, NULL },

	[PID_GH_DRUMS   ] = { {0x01, 0x00, 0xA4, 0x20, 0x01, 0x03}, "Guitar Hero World Tour Drums", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, NULL, NULL },

	[PID_TURNTABLE  ] = { {0x03, 0x00, 0xA4, 0x20, 0x01, 0x03}, "DJ Hero Turntable", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, NULL, NULL },

	[PID_TAIKO_DRUMS] = { {0x00, 0x00, 0xA4, 0x20, 0x01, 0x11}, "Taiko Drum Controller)", SCENE_DUMP,
	                      NULL, NULL, NULL, NULL, NULL, NULL },  // Taiko no Tatsujin TaTaCon (Drum controller)

	[PID_UDRAW      ] = { {0xFF, 0x00, 0xA4, 0x20, 0x00, 0x13}, "uDraw Tablet", SCENE_DUMP,
	                      udraw_init, NULL, NULL, NULL, NULL, NULL },  //! same as drawsome?
	// -----

	[PID_ERROR      ] = { {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, "Read Error", SCENE_NONE,
	                      NULL, NULL, NULL, NULL, NULL, NULL },

	[PID_NULL       ] = { {0}, NULL, SCENE_NONE, NULL, NULL, NULL, NULL, NULL, NULL } // last entry
};

//+============================================================================ ========================================
void  ecDecode (wiiEC_t* pec)
{
	if (ecId[pec->pidx].decode)  ecId[pec->pidx].decode(pec) ;
}

//+============================================================================ ========================================
void  ecCalibrate (wiiEC_t* const pec,  ecCalib_t c)
{
	if (ecId[pec->pidx].calib)  ecId[pec->pidx].calib(pec, c) ;
}

//+============================================================================ ========================================
void  ecPoll (wiiEC_t* const pec,  FuriMessageQueue* const queue)
{
	ENTER;
	furi_assert(queue);

	if (!pec->init) {
		// Attempt to initialise
		if (ecInit(pec, NULL)) {  //! need a way to auto-start with encryption enabled
			eventMsg_t  msg = {
				.id    = EVID_WIIEC,
				.wiiEc = {
					.type = WIIEC_CONN,
					.in   = '<',
					.val  = pec->pidx
				}
			};
			furi_message_queue_put(queue, &msg, 0);
		}

	} else {
		// Attempt to read
		switch (ecRead(pec)) {
			case 2: {  // device gone
				eventMsg_t  msg = {
					.id    = EVID_WIIEC,
					.wiiEc = {
						.type = WIIEC_DISCONN,
						.in   = '>',
						.val  = pec->pidx
					}
				};
				furi_message_queue_put(queue, &msg, 0);
				break;
			}

			case 0: {  // read OK
				void  (*fn)(wiiEC_t*, FuriMessageQueue*) = ecId[pec->pidx].check;
				if (fn) fn(pec, queue);
				break;
			}

			case 3:  // read fail
				// this is probably temporary  just ignore it
				break;

			default:  // bug: unknown
			case 1:   // bug: not initialised - should never happen
				ERROR("%s : read bug", __func__);
				break;
		}
	}

	LEAVE;
	return;
}

//+============================================================================ ========================================
// This is the screen drawn for an unknown controller
// It is also available by pressing LEFT (at least once) on a "known controller" screen
//
void  ec_show (Canvas* const canvas,  state_t* const state)
{
	wiiEC_t*  pec   = &state->ec;
	int       h     = 11;  // line height
	int       x     = 1;   // (initial) offset for bits
	int       y     = -h;  // previous y value
	int       yb    = 0;   // y for bit patterns
	int       c2    = 17;  // column 2

	// Headings
	canvas_set_font(canvas, FontSecondary);
	canvas_set_color(canvas, ColorBlack);

	canvas_draw_str_aligned(canvas, 0 ,0, AlignLeft, AlignTop, "SID:");
	canvas_draw_str_aligned(canvas, c2,0, AlignLeft, AlignTop, pec->sid);

	canvas_draw_str_aligned(canvas, 0 ,11, AlignLeft, AlignTop, "PID:");
	canvas_draw_str_aligned(canvas, 0 ,22, AlignLeft, AlignTop, "Cal:");

	// PID
	x = c2;
	for (int i = 0;  i < 6;  i++) {
		show(canvas, x,11, img_5x7[pec->pid[i]>>4],  SHOW_SET_BLK);
		x += 5+1;
		show(canvas, x,11, img_5x7[pec->pid[i]&0xF], SHOW_SET_BLK);
		x += 5+1+2;
	}

	// Calibrations data
	y = 11;
	for (int j = 0;  j <= 8;  j += 8) {
		x = c2;
		y += 11;
		for (int i = 0;  i < 8;  i++) {
			show(canvas, x,y, img_5x7[pec->calF[i+j]>>4],  SHOW_SET_BLK);
			x += 5+1;
			show(canvas, x,y, img_5x7[pec->calF[i+j]&0xF], SHOW_SET_BLK);
			x += 5+1+2;
		}
	}

	// Reading
	x  = 1;
	y++;
	yb = (y+=h) +h +2;

	canvas_draw_line(canvas, x,y-1, x,yb+4);
	x += 2;

	for (int i = 0;  i < JOY_LEN;  i++) {
		show(canvas, x+ 1,y, img_6x8[pec->joy[i]>>4],  SHOW_SET_BLK);
		show(canvas, x+11,y, img_6x8[pec->joy[i]&0xF], SHOW_SET_BLK);

		// bits
		for (int m = 0x80;  m;  m >>= 1) {
			x += 2 * !!(m & 0x08) ;  // nybble step
			canvas_draw_box(canvas, x,yb +(2*!(pec->joy[i] & m)), 2,2) ;
			x += 2;  // bit step
		}

		// byte step
		x += 1;
		canvas_draw_line(canvas, x,y-1, x,yb+4);
		x += 2;
	}

	// Scene navigation
	if (state->scenePrev != SCENE_WAIT)
		show(canvas, 120,0, &img_key_R, SHOW_SET_BLK);
}

//+============================================================================ ========================================
// The DUMP screen is 
//
bool  ec_key (const eventMsg_t* const msg,  state_t* const state)
{
	int  used = false;  // assume key is NOT-handled

	if (state->scenePrev != SCENE_WAIT) {
		//# <L [ SHORT-RIGHT ]
		if ((msg->input.type == InputTypeShort) && (msg->input.key == InputKeyRight)) {
			sceneSet(state, state->scenePrev);
			used = true;
		}
	}

	return used;
}