Momentum-Apps/wii_anal_keys.c

#include  <stdbool.h>

#include  "bc_logging.h"

#include  "wii_anal.h"

//+============================================================================ ========================================
// Stop Calibration mode
//
static
void  calStop (state_t* const state)
{
	state->hold   = 0;                          // stop calibration mode
	state->calib &= ~(CAL_RANGE | CAL_NOTJOY);  // ...
}

//+============================================================================ ========================================
// Change to another scene
//
void  sceneSet (state_t* const state,  const scene_t scene)
{
	calStop(state);                   // Stop software calibration
	state->scenePrev = state->scene;  // Remember where we came from
	state->scene     = scene;         // Go to new scene
	INFO("Scene : %d -> %d", state->scenePrev, state->scene);
}

//+============================================================================ ========================================
// Change to an easter egg scene
//
static
void  sceneSetEgg (state_t* const state,  const scene_t scene)
{
	calStop(state);                   // Stop software calibration
	state->scenePegg = state->scene;  // Remember where we came from
	state->scene     = scene;         // Go to new scene
	INFO("Scene* : %d => %d", state->scenePegg, state->scene);
}

//+============================================================================ ========================================
// Several EC screens have 'peak-hold' and 'calibration' features
// Enabling peak-hold on screen with no peak meters will have no effect
// So, to avoid code duplication...
//
bool  key_calib (const eventMsg_t* const msg,  state_t* const state)
{
	int  used = false;  // assume key is NOT-handled

	switch (msg->input.type) {
		case InputTypeShort:                         //# <!  After InputTypeRelease within INPUT_LONG_PRESS interval
			switch (msg->input.key) {
				case InputKeyUp:                     //# <U [ SHORT-UP ]
					state->hold = (state->hold == +1) ? 0 : +1 ;                // toggle peak hold
					used = true;
					break;

				case InputKeyDown:                   //# <D [ SHORT-DOWN ]
					state->hold = (state->hold == -1) ? 0 : -1 ;                // toggle trough hold
					used = true;
					break;

				case InputKeyOk:                     //# <O [ SHORT-OK ]
					if (state->calib & CAL_RANGE)  calStop(state) ;             // STOP softare calibration
					else                           ecCalibrate(&state->ec, CAL_CENTRE) ;  // perform centre calibration
					used = true;
					break;

				default:  break ;
			}
			break;

		case InputTypeLong:                          //# >!  After INPUT_LONG_PRESS interval, asynch to InputTypeRelease
			switch (msg->input.key) {
				case InputKeyOk:                     //# >O [ LONG-OK ]
					ecCalibrate(&state->ec, CAL_RESET | CAL_CENTRE);            // START software calibration
					state->hold   = 0;
					state->calib |= CAL_RANGE;
					state->flash  = 8;                                          // start with flash ON
					used = true;
					break;

				default:  break ;
			}
			break;

		default:  break ;
	}

	return used;
}

//+============================================================================ ========================================
// WAIT screen
//
static inline
bool  wait_key (const eventMsg_t* const msg,  state_t* const state)
{
	int  used = false;  // assume key is NOT-handled

	if (msg->input.type == InputTypeShort) {
		switch (msg->input.key) {
			case InputKeyLeft:                       //# <L [ SHORT-LEFT ]
				sceneSet(state, SCENE_SPLASH);
				used = true;
				break;

			case InputKeyUp:                         //# <U [ SHORT-UP ]
				sceneSet(state, SCENE_RIP);
				used = true;
				break;

			case InputKeyBack:                       //# <B [ SHORT-BACK ]
				state->run = false;
				used = true;
				break;

			default:  break ;
		}
	}

	return used;
}

//+============================================================================ ========================================
// DEBUG screen
//
static inline
bool  debug_key (const eventMsg_t* const msg,  state_t* const state)
{
	int  used = false;  // assume key is NOT-handled

	switch (msg->input.type) {
		case InputTypeShort:                         //# <!  After InputTypeRelease within INPUT_LONG_PRESS interval
			switch (msg->input.key) {
				case InputKeyUp: {                   //# <U [ SHORT-UP ]
					bool init = ecInit(&state->ec, NULL);                       // Initialise the controller //! NULL = no encryption
					(void)init;  // in case INFO is optimised out
					INFO("%s : %s", __func__, (init ? "init OK" : "init fail"));
					used = true;
					break;
				}

				case InputKeyOk:                     //# <O [ SHORT-OK ]
					if (ecRead(&state->ec) == 0) {                              // Read the controller
						INFO( "%s : joy: {%02X,%02X,%02X,%02X,%02X,%02X}", __func__,
						      state->ec.joy[0], state->ec.joy[1], state->ec.joy[2],
						      state->ec.joy[3], state->ec.joy[4], state->ec.joy[5] );
					}
					used = true;
					break;

				case InputKeyDown:                   //# <D [ SHORT-DOWN ]
					timerEn(state, true);                                       // restart the timer
					sceneSet(state, state->scenePrev);
					used = true;
					break;

				case InputKeyBack:                   //# <B [ SHORT-BACK ]
					state->run = false;
					used = true;
					break;

				default:  break ;                    //# <?
			}
			break;

		default:  break ;
	}

	return used;
}

//+============================================================================ ========================================
// SPLASH and RIP screen
//
static inline
bool  splash_key (const eventMsg_t* const msg,  state_t* const state)
{
	// Back key on the initial SPLASH screen (this will catch the InputKeyPress)
	if ((msg->input.key == InputKeyBack) && (state->scenePrev == SCENE_NONE))  state->run = false ;

	// ANY-other-KEY press
	if (msg->input.type == InputTypeShort) {
		timerEn(state, true);               // Restart the timer
		state->scene = state->scenePegg;
	}

	return true;
}


//+============================================================================ ========================================
// "_pre" allows the plugin to use the key before the active scene gets a chance
//
static inline
bool  key_pre (const eventMsg_t* const msg,  state_t* const state)
{
	(void)msg;
	(void)state;

	return false;
}

//+============================================================================ ========================================
// "_post" allows the plugin to use a key if it was not used by the active scene
//
static inline
bool  key_post (const eventMsg_t* const msg,  state_t* const state)
{
	int  used = false;  // assume key is NOT-handled

	if (msg->input.key == InputKeyBack) {
		if        (msg->input.type == InputTypeShort) {  //# <B [SHORT-BACK]
			state->ec.init = false;                      // reset/disconnect the controller
			sceneSet(state, SCENE_WAIT);
			used = true;

		} else if (msg->input.type == InputTypeLong) {   //# >B [LONG-BACK]
			state->run = false;                          // Signal the plugin to exit
			used = true;
		}
	}

	// Easter eggs
	switch (state->scene) {
		case SCENE_SPLASH:   // Scenes that do NOT offer Easter eggs
		case SCENE_RIP:
		case SCENE_DEBUG:
			break;
		default:
			if (msg->input.type == InputTypeLong) {
				switch (msg->input.key) {
					case InputKeyDown:                   //# >D [LONG-DOWN]
						timerEn(state, false);           // Stop the timer
						sceneSetEgg(state, SCENE_DEBUG);
						used = true;
						break;

					case InputKeyLeft:                   //# >L [ LONG-LEFT ]
						timerEn(state, false);           // Stop the timer
						sceneSetEgg(state, SCENE_SPLASH);
						used = true;
						break;

					case InputKeyUp:                     //# >U [ LONG-UP ]
						timerEn(state, false);           // Stop the timer
						sceneSetEgg(state, SCENE_RIP);
						used = true;
						break;

					default:  break ;
				}
			}
			break;
	}

	return used;
}

//+============================================================================ ========================================
// Handle a key press event
//
bool  evKey (const eventMsg_t* const msg,  state_t* const state)
{
	furi_assert(msg);
	furi_assert(state);

	bool  used = key_pre(msg, state);

	if (!used)  switch (state->scene) {
		case SCENE_SPLASH:        //...
		case SCENE_RIP:           used = splash_key(msg, state);  break ;

		case SCENE_WAIT:          used = wait_key(msg, state);  break ;
		case SCENE_DEBUG:         used = debug_key(msg, state);  break ;

		default:
			if (state->ec.pidx >= PID_ERROR) {
				ERROR("%s : bad PID = %d", __func__, state->ec.pidx);
			} else {
				if ((state->scene == SCENE_DUMP) || !ecId[state->ec.pidx].keys)
					ecId[PID_UNKNOWN].keys(msg, state);
				else
					ecId[state->ec.pidx].keys(msg, state);
			}
			break;

		case SCENE_NONE:          break;
	}

	if (!used)  used = key_post(msg, state) ;

	return used;
}