本文整理汇总了C++中LCD::writeChar方法的典型用法代码示例。如果您正苦于以下问题：C++ LCD::writeChar方法的具体用法？C++ LCD::writeChar怎么用？C++ LCD::writeChar使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LCD的用法示例。
在下文中一共展示了LCD::writeChar方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: shutter_load
volatile char shutter_load(char key, char first)
{
static char menuSize;
static char menuSelected;
static char itemSelected;
uint8_t c;
char ch, update, menuScroll;
update = 0;
if(first)
{
menuScroll = 0;
update = 1;
}
if(key == UP_KEY && menuSelected > 0)
{
menuSelected--;
update = 1;
}
else if(key == DOWN_KEY && menuSelected < menuSize - 1)
{
menuSelected++;
update = 1;
}
if(update)
{
lcd.cls();
if(menuSelected > 2)
menuScroll = menuSelected - 2;
menuSize = 0;
char i = 0;
for(char x = 1; x < MAX_STORED; x++)
{
i++;
ch = eeprom_read_byte((uint8_t*)&stored[i - 1].Name[0]);
if(ch == 0 || ch == 255)
continue;
for(c = 0; c < MENU_NAME_LEN - 1; c++) // Write settings item text //
{
if(i >= menuScroll && i <= menuScroll + 5)
{
ch = eeprom_read_byte((uint8_t*)&stored[i - 1].Name[c]);
if(ch == 0) break;
if(ch < 'A' || ch > 'Z')
ch = ' ';
lcd.writeChar(3 + c * 6, 8 + 9 * (menuSize - menuScroll), ch);
if(menuSize == menuSelected)
itemSelected = i - 1;
}
}
menuSize++;
}
lcd.drawHighlight(2, 7 + 9 * (menuSelected - menuScroll), 81, 7 + 9 * (menuSelected - menuScroll) + 8);
menu.setTitle(TEXT("Load Saved"));
menu.setBar(TEXT("CANCEL"), TEXT("LOAD"));
lcd.drawLine(0, 3, 0, 40);
lcd.drawLine(83, 3, 83, 40);
lcd.update();
}
switch(key)
{
case FL_KEY:
case LEFT_KEY:
return FN_CANCEL;
case FR_KEY:
case RIGHT_KEY:
timer.load(itemSelected);
menu.message(TEXT("Loaded"));
menu.back();
menu.select(0);
return FN_SAVE;
}
return FN_CONTINUE;
}示例2: btConnect
//.........这里部分代码省略.........
case FR_KEY:
if(bt.state == BT_ST_CONNECTED)
{
bt.disconnect();
}
else
{
bt.connect(bt.device[menuSelected].addr);
}
break;
}
update = 1;
switch(bt.event)
{
case BT_EVENT_DISCOVERY:
debug(STR("dicovery!\r\n"));
break;
case BT_EVENT_SCAN_COMPLETE:
debug(STR("done!\r\n"));
if(bt.state != BT_ST_CONNECTED) bt.scan();
break;
case BT_EVENT_DISCONNECT:
bt.scan();
break;
default:
update = 0;
}
bt.event = BT_EVENT_NULL; // clear event so we don't process it twice
if(first)
{
update = 1;
}
if(key == UP_KEY && menuSelected > 0)
{
menuSelected--;
update = 1;
}
else if(key == DOWN_KEY && menuSelected < menuSize - 1)
{
menuSelected++;
update = 1;
}
if(update)
{
lcd.cls();
if(bt.state == BT_ST_CONNECTED)
{
menu.setTitle(TEXT("Connect"));
lcd.writeStringTiny(18, 20, TEXT("Connected!"));
menu.setBar(TEXT("RETURN"), TEXT("DISCONNECT"));
}
else
{
if(menuSelected > 2)
menuScroll = menuSelected - 2;
menuSize = 0;
for(i = 0; i < bt.devices; i++)
{
if(i >= menuScroll && i <= menuScroll + 4)
{
for(c = 0; c < MENU_NAME_LEN - 1; c++) // Write settings item text //
{
if(bt.device[i].name[c])
lcd.writeChar(3 + c * 6, 8 + 9 * (menuSize - menuScroll), bt.device[i].name[c]);
}
}
menuSize++;
}
if(bt.devices)
{
lcd.drawHighlight(2, 7 + 9 * (menuSelected - menuScroll), 81, 7 + 9 * (menuSelected - menuScroll) + 8);
menu.setBar(TEXT("RETURN"), TEXT("CONNECT"));
}
else
{
lcd.writeStringTiny(6, 20, TEXT("No Devices Found"));
menu.setBar(TEXT("RETURN"), BLANK_STR);
}
menu.setTitle(TEXT("Connect"));
lcd.drawLine(0, 3, 0, 40);
lcd.drawLine(83, 3, 83, 40);
}
lcd.update();
}
return FN_CONTINUE;
}