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#include <string.h>
#include "dummy_stm.h"
const char* gStmEventName[] = {
"activate",
"deactivate",
"parking_brake_off",
"parking_brake_on",
"accel_pedal_off",
"accel_pedal_on",
"car_stop",
"car_run",
"timer_expired",
"lamp_off",
"lamp_on"
};
const int gStmEventNo[] = {
STM_EVT_NO_ACTIVATE,
STM_EVT_NO_DEACTIVATE,
STM_EVT_NO_PARKING_BRAKE_OFF,
STM_EVT_NO_PARKING_BRAKE_ON,
STM_EVT_NO_ACCEL_PEDAL_OFF,
STM_EVT_NO_ACCEL_PEDAL_ON,
STM_EVT_NO_CAR_STOP,
STM_EVT_NO_CAR_RUN,
STM_EVT_NO_TIMER_EXPIRED,
STM_EVT_NO_LAMP_OFF,
STM_EVT_NO_LAMP_ON
};
const char* gStmCategoryName[] = {
"homescreen",
"map",
"general",
"splitable",
"popup",
"system_alert",
"restriction",
};
const int gStmCategoryNo[] = {
STM_CTG_NO_HOMESCREEN,
STM_CTG_NO_MAP,
STM_CTG_NO_GENERAL,
STM_CTG_NO_SPLITABLE,
STM_CTG_NO_POPUP,
STM_CTG_NO_SYSTEM_ALERT,
STM_CTG_NO_RESTRICTION,
};
const char* gStmAreaName[] = {
"full",
"normal",
"split.main",
"split.sub",
"onscreen",
"restriction.normal",
"restriction.split.main",
"restriction.split.sub",
};
const int gStmAreaNo[] = {
STM_ARA_NO_FULL,
STM_ARA_NO_NORMAL,
STM_ARA_NO_SPLIT_MAIN,
STM_ARA_NO_SPLIT_SUB,
STM_ARA_NO_ON_SCREEN,
STM_ARA_NO_RESTRICTION_NORMAL,
STM_ARA_NO_RESTRICTION_SPLIT_MAIN,
STM_ARA_NO_RESTRICTION_SPLIT_SUB,
};
// String for state
const char* gStmParkingBrakeStateNo2Name[] = {
"parking_brake_off",
"parking_brake_on"
};
const char* gStmAccelPedalStateNo2Name[] = {
"accel_pedal_off",
"accel_pedal_on"
};
const char* gStmCarStateNo2Name[] = {
"car_stop",
"car_run"
};
const char* gStmLampStateNo2Name[] = {
"lamp_off",
"lamp_on"
};
const char* gStmLayoutNo2Name[] = {
"none",
"pu",
"sa",
"m1",
"m2",
"mf",
"s1",
"s2",
"g",
"hs",
"restriction",
"restriction.split.main",
"restriction.split.sub",
};
stm_state_t g_crr_state;
stm_state_t g_prv_state;
int g_prv_restriction_state_car_stop = 0;
int g_prv_apps_state_car_stop = 0;
void stmInitialize() {
// Initialize previous state
memset(&g_prv_state, 0, sizeof(g_prv_state));
g_prv_state.layer.on_screen.state = gStmLayoutNoNone;
g_prv_state.layer.restriction.state = gStmLayoutNoNone;
g_prv_state.layer.apps.state = gStmLayoutNoNone;
g_prv_state.layer.homescreen.state = gStmLayoutNoNone;
g_prv_state.parking_brake.state = gStmParkingBrakeStateNoOn;
g_prv_state.accel_pedal.state = gStmAccelPedalStateNoOff;
g_prv_state.car.state = gStmCarStateNoStop;
g_prv_state.lamp.state = gStmLampStateNoOff;
// Initialize current state
g_crr_state = g_prv_state;
}
int stmTransitionState(int event, stm_state_t* state) {
int event_no, category_no, area_no;
int restriction_state, apps_state;
int parking_brake_state, accel_pedal_state, car_state, lamp_state;
event_no = event & STM_MSK_EVT_NO;
category_no = event & STM_MSK_CTG_NO;
area_no = event & STM_MSK_ARA_NO;
// Backup previous state
g_prv_state = g_crr_state;
// Get previous state
restriction_state = g_prv_state.layer.restriction.state;
apps_state = g_prv_state.layer.apps.state;
parking_brake_state = g_prv_state.parking_brake.state;
accel_pedal_state = g_prv_state.accel_pedal.state;
car_state = g_prv_state.car.state;
lamp_state = g_prv_state.lamp.state;
// Clear flags
g_crr_state.layer.on_screen.is_changed = STM_FALSE;
g_crr_state.layer.restriction.is_changed = STM_FALSE;
g_crr_state.layer.apps.is_changed = STM_FALSE;
g_crr_state.layer.homescreen.is_changed = STM_FALSE;
g_crr_state.parking_brake.is_changed = STM_FALSE;
g_crr_state.accel_pedal.is_changed = STM_FALSE;
g_crr_state.car.is_changed = STM_FALSE;
g_crr_state.lamp.is_changed = STM_FALSE;
switch (event_no) {
case STM_EVT_NO_ACTIVATE:
switch (category_no) {
case STM_CTG_NO_HOMESCREEN:
// Apps layer
g_crr_state.layer.apps.state = gStmLayoutNoNone;
g_crr_state.layer.apps.is_changed = STM_TRUE;
// Homescreen layer
g_crr_state.layer.homescreen.state = gStmLayoutNoHs;
g_crr_state.layer.homescreen.is_changed = STM_TRUE;
break;
case STM_CTG_NO_MAP:
switch (area_no) {
case STM_ARA_NO_FULL:
// Apps layer
switch (apps_state) {
case gStmLayoutNoMf:
// nop
break;
default:
g_crr_state.layer.apps.state = gStmLayoutNoMf;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
}
break;
case STM_ARA_NO_NORMAL:
// Apps layer
switch (apps_state) {
case gStmLayoutNoM1:
// nop
break;
case gStmLayoutNoS1:
g_crr_state.layer.apps.state = gStmLayoutNoM2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
default:
g_crr_state.layer.apps.state = gStmLayoutNoM1;
g_crr_state.layer.apps.is_changed = STM_TRUE;
}
break;
case STM_ARA_NO_SPLIT_MAIN:
// Apps layer
switch (apps_state) {
case gStmLayoutNoS1:
case gStmLayoutNoS2:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
}
break;
case STM_CTG_NO_GENERAL:
switch (area_no) {
case STM_ARA_NO_NORMAL:
// Apps layer
switch (apps_state) {
case gStmLayoutNoMf:
// nop
break;
default:
g_crr_state.layer.apps.state = gStmLayoutNoG;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
}
break;
default:
// nop
break;
}
break;
case STM_CTG_NO_SPLITABLE:
switch (area_no) {
case STM_ARA_NO_NORMAL:
// Apps layer
switch (apps_state) {
case gStmLayoutNoM1:
g_crr_state.layer.apps.state = gStmLayoutNoM2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
case gStmLayoutNoMf:
case gStmLayoutNoS1:
// nop
break;
default:
g_crr_state.layer.apps.state = gStmLayoutNoS1;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
}
break;
case STM_ARA_NO_SPLIT_MAIN:
// Apps layer
switch (apps_state) {
case gStmLayoutNoS1:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
case gStmLayoutNoS2:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
case STM_ARA_NO_SPLIT_SUB:
// Apps layer
switch (apps_state) {
case gStmLayoutNoM1:
g_crr_state.layer.apps.state = gStmLayoutNoM2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
case gStmLayoutNoM2:
g_crr_state.layer.apps.state = gStmLayoutNoM2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
case gStmLayoutNoS1:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
case gStmLayoutNoS2:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
default:
// nop
break;
}
break;
case STM_CTG_NO_RESTRICTION:
switch (area_no) {
case STM_ARA_NO_RESTRICTION_NORMAL:
// restriction Layer
switch (restriction_state) {
case gStmLayoutNoNone:
g_crr_state.layer.restriction.state = gStmLayoutNoRestriction;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
case STM_ARA_NO_RESTRICTION_SPLIT_MAIN:
// restriction Layer
switch (restriction_state) {
case gStmLayoutNoNone:
g_crr_state.layer.restriction.state = gStmLayoutNoRestrictionSplitMain;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
case STM_ARA_NO_RESTRICTION_SPLIT_SUB:
// restriction Layer
switch (restriction_state) {
case gStmLayoutNoNone:
g_crr_state.layer.restriction.state = gStmLayoutNoRestrictionSplitSub;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
break;
default:
// nop
break;
}
break;
default:
// nop
break;
}
case STM_EVT_NO_DEACTIVATE:
switch (category_no) {
case STM_CTG_NO_RESTRICTION:
// restriction Layer
switch (restriction_state) {
case gStmLayoutNoRestriction:
case gStmLayoutNoRestrictionSplitMain:
case gStmLayoutNoRestrictionSplitSub:
g_crr_state.layer.restriction.state = gStmLayoutNoNone;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
break;
default:
// nop
break;
}
default:
// nop
break;
}
break;
case STM_EVT_NO_PARKING_BRAKE_OFF:
if (gStmParkingBrakeStateNoOff != parking_brake_state) {
g_crr_state.parking_brake.state = gStmParkingBrakeStateNoOff;
g_crr_state.parking_brake.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_PARKING_BRAKE_ON:
if (gStmParkingBrakeStateNoOn != parking_brake_state) {
g_crr_state.parking_brake.state = gStmParkingBrakeStateNoOn;
g_crr_state.parking_brake.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_ACCEL_PEDAL_OFF:
if (gStmAccelPedalStateNoOff != accel_pedal_state) {
g_crr_state.accel_pedal.state = gStmAccelPedalStateNoOff;
g_crr_state.accel_pedal.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_ACCEL_PEDAL_ON:
if (gStmAccelPedalStateNoOn != accel_pedal_state) {
g_crr_state.accel_pedal.state = gStmAccelPedalStateNoOn;
g_crr_state.accel_pedal.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_CAR_STOP:
if (gStmCarStateNoStop != car_state) {
g_crr_state.layer.apps.state = g_prv_apps_state_car_stop;
g_crr_state.layer.apps.is_changed = STM_TRUE;
g_crr_state.car.state = gStmCarStateNoStop;
g_crr_state.car.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_CAR_RUN:
if (gStmCarStateNoRun != car_state) {
g_prv_apps_state_car_stop = apps_state;
g_crr_state.layer.apps.state = gStmLayoutNoM1;
g_crr_state.layer.apps.is_changed = STM_TRUE;
g_crr_state.car.state = gStmCarStateNoRun;
g_crr_state.car.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_LAMP_OFF:
if (gStmLampStateNoOff != lamp_state) {
g_crr_state.lamp.state = gStmLampStateNoOff;
g_crr_state.lamp.is_changed = STM_TRUE;
}
break;
case STM_EVT_NO_LAMP_ON:
if (gStmLampStateNoOn != lamp_state) {
g_crr_state.lamp.state = gStmLampStateNoOn;
g_crr_state.lamp.is_changed = STM_TRUE;
}
break;
default:
// nop
break;
}
// Set car state
if (g_crr_state.parking_brake.is_changed
|| g_crr_state.accel_pedal.is_changed) {
if ((gStmParkingBrakeStateNoOff == g_crr_state.parking_brake.state)
&& (gStmAccelPedalStateNoOn == g_crr_state.accel_pedal.state)){
if (gStmCarStateNoRun != car_state) {
// Car state is changed stop -> run
g_crr_state.car.state = gStmCarStateNoRun;
g_crr_state.car.is_changed = STM_TRUE;
// Update restriction layer
g_prv_restriction_state_car_stop = restriction_state;
g_crr_state.layer.restriction.state = gStmLayoutNoNone;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
// Update apps layer
g_prv_apps_state_car_stop = apps_state;
g_crr_state.layer.apps.state = gStmLayoutNoM1;
g_crr_state.layer.apps.is_changed = STM_TRUE;
}
}
else {
if (gStmCarStateNoStop != car_state) {
// Car state is changed run -> stop
g_crr_state.car.state = gStmCarStateNoStop;
g_crr_state.car.is_changed = STM_TRUE;
// Update restriction layer
g_crr_state.layer.restriction.state = g_prv_restriction_state_car_stop;
g_crr_state.layer.restriction.is_changed = STM_TRUE;
// Update apps layer
g_crr_state.layer.apps.state = g_prv_apps_state_car_stop;
g_crr_state.layer.apps.is_changed = STM_TRUE;
}
}
}
// Copy current state for return
memcpy(state, &g_crr_state, sizeof(g_crr_state));
return 0;
}
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