void handleAWB()
{
static uint32_t timer;
static uint8_t state = 0;
uint8_t awbp=0;
if (state==2)
return;
prm_get("Auto White Balance on power-up", &awbp, END);
if (!awbp)
return; // exit if auto white balance on power-up is disabled
else if (state==0)
{
setTimer(&timer);
cam_setAWB(1);
state = 1;
}
else if (state==1)
{
if (getTimer(timer)>AWB_TIMEOUT)
{
cam_setAWB(0);
state = 2; // end state machine (only run once)
}
}
}
void handleAWB()
{
static uint32_t timer;
static uint8_t state = 0;
if (state==2)
return;
else if (state==0)
{
setTimer(&timer);
state = 1;
}
else if (state==1)
{
if (getTimer(timer)>AWB_TIMEOUT)
{
cam_setAWB(0);
state = 2;
}
}
}
bool ButtonMachine::handleSignature()
{
uint32_t bt;
bt = button();
if (m_ledPipe) // if ledpipe, grab frame, but don't flush
{
cam_getFrameChirpFlags(CAM_GRAB_M1R2, 0, 0, CAM_RES2_WIDTH, CAM_RES2_HEIGHT, g_chirpUsb, 0);
ledPipe();
}
else if (m_goto!=0) // else grab frame and flush
cam_getFrameChirpFlags(CAM_GRAB_M1R2, 0, 0, CAM_RES2_WIDTH, CAM_RES2_HEIGHT, g_chirpUsb);
switch(m_goto)
{
case 0: // wait for button press
if (bt)
{
setTimer(&m_timer);
led_setMaxCurrent(g_ledBrightness); // restore default brightness
m_goto = 1;
led_set(0);
}
break;
case 1: // wait for button timeout
if (!bt)
m_goto = 0;
else if (getTimer(m_timer)>BT_INITIAL_BUTTON_TIMEOUT)
{
if (cam_getAWB())
m_index = 1;
else
m_index = 0;
setTimer(&m_timer);
setLED();
m_goto = 2;
}
break;
case 2: // wait and increment index
if (!bt)
{
flashLED(3);
setTimer(&m_timer);
if (m_index==0)
cam_setAWB(1);
else
m_ledPipe = true;
m_goto = 3;
}
else if (getTimer(m_timer)>BT_INDEX_CYCLE_TIMEOUT)
{
setTimer(&m_timer);
m_index++;
if (m_index==CL_NUM_SIGNATURES+1)
m_index = 0;
setLED();
}
break;
case 3: // wait for button down
if (bt)
{
setTimer(&m_timer);
m_goto = 4;
}
else if (getTimer(m_timer)>BT_LIGHTPIPE_TIMEOUT) // abort
reset();
break;
case 4: // wait for button up
if (!bt)
{
if (m_index==0)
{
cam_setAWB(0);
flashLED(4);
}
else
setSignature();
reset(); // done
}
else if (getTimer(m_timer)>BT_INITIAL_BUTTON_TIMEOUT)
{
if (m_index==0)
cam_setAWB(0);
reset();
m_goto = 5;
}
break;
case 5: // wait for button up only
if (!bt)
reset();
break;
default:
reset();
}
return m_goto!=0;
}
