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#include <string.h>
#include "dummy_stm.h"
stm_state_t g_crr_state = {0};
stm_state_t g_prv_state = {0};
int g_prv_apps_state_car_stop = 0;
int stmTransitionState(int event, stm_state_t* state) {
int event_no, category_no, area_no;
int apps_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
apps_state = g_prv_state.layer.apps.state;
car_state = g_prv_state.car.state;
lamp_state = g_prv_state.lamp.state;
// Clear current state
memset(&g_crr_state, 0, sizeof(g_crr_state));
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 gStmLayoutNoMf:
// nop
break;
case gStmLayoutNoS1:
g_crr_state.layer.apps.state = gStmLayoutNoS2;
g_crr_state.layer.apps.is_changed = STM_TRUE;
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;
default:
// nop
break;
}
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;
}
// Copy current state for return
memcpy(state, &g_crr_state, sizeof(g_crr_state));
return 0;
}
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