void GameOfLightHW::screen_goto(uint8_t index, uint8_t line) {
line &= 0x07; //Allows range [0, 7]
index &= 0x7F; //Allows range [0, 127]
if (_screen_index != index) {
screen_cmd(CMD_TYPE_SETX, index);
_screen_index = index;
}
if (_screen_line != line) {
screen_cmd(CMD_TYPE_SETY, line);
_screen_line = line;
}
}
void GameOfLightSim::screen_goto(uint8_t index, uint8_t line) {
line &= 0x07; //Allows range [0, 7]
index &= 0x7F; //Allows range [0, 127]
/* Note: when using update() this doesn't send any actual goto-commands as the lines
* naturally overflow into the next transfer meaning we don't need to issue goto-commands */
if (_screen_index != index) {
screen_cmd(CMD_TYPE_SETX, index);
_screen_index = index;
}
if (_screen_line != line) {
screen_cmd(CMD_TYPE_SETY, line);
_screen_line = line;
}
}
void GameOfLightHW::clearDisplay() {
// Clears both the internal buffer and the screen
screen_cmd(CMD_TYPE_CLEAR, 0);
_screen_line = 0;
_screen_index = 0;
clear();
}
//Note: The screencontroller has a limited buffersize. Care must be taken to not call this function
// too often, lest the buffer overflows and lines are lost. 6-7 lines in rapid succesion is the aprox
//limit.
//Also note that issuing updates of concecutive lines in numerical order is a little bit faster
// than random access as the requests are automatically combined for faster writes to the screen.
void GameOfLightHW::update(const uint8_t line) {
// Sends a single line to the screen
int i;
digitalWrite(SCREEN_SS_PIN, HIGH); //disable slave SPI
digitalWrite(SCREEN_SS_PIN, LOW); //enable slave SPI -> resync with slave
screen_cmd(CMD_TYPE_LINE , line); //To indicate a line is coming and which line it is
for (i = 0; i < 128; i++) {
SPI.transfer(buff[line][i]);
}
//Keep track of where the screen is currently at:
_screen_line++;
if (_screen_line >= 8) _screen_line = 0; //Note: _screen_index unchanged due to wrap
}
//WARNING: For the time being this is an unsupported operation, it will be ignored.
void GameOfLightHW::screen_data(uint8_t data) {
// Write data directly to the display at current display-position.
screen_cmd(CMD_TYPE_DATA, 0);
SPI.transfer(data);
//Update trackers of screen position
_screen_index++;
if (_screen_index > 127) {
_screen_index = 0;
_screen_line++;
if (_screen_line > 7) {
_screen_line = 0;
}
}
//delayMicroseconds(6);
}
int do_input_event(command_t cmd)
{
if (cmd == CMD_QUIT) {
g_main_loop_quit(main_loop);
return -1;
}
screen_cmd(mpd, cmd);
if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN)
/* make sure we don't update the volume yet */
disable_update_timer();
return 0;
}
int
screen_get_mouse_event(struct mpdclient *c, unsigned long *bstate, int *row)
{
MEVENT event;
/* retrieve the mouse event from curses */
#ifdef PDCURSES
nc_getmouse(&event);
#else
getmouse(&event);
#endif
/* calculate the selected row in the list window */
*row = event.y - screen.title_bar.window.rows;
/* copy button state bits */
*bstate = event.bstate;
/* if button 2 was pressed switch screen */
if (event.bstate & BUTTON2_CLICKED) {
screen_cmd(c, CMD_SCREEN_NEXT);
return 1;
}
return 0;
}
void GameOfLightSim::clearDisplay() {
// Clears both the internal buffer and the screen
screen_cmd(CMD_TYPE_CLEAR, 0);
clear();
}
