bool keyframe_animate_backlight_color(keyframe_animation_t* animation, visualizer_state_t* state) {
int frame_length = animation->frame_lengths[animation->current_frame];
int current_pos = frame_length - animation->time_left_in_frame;
uint8_t t_h = LCD_HUE(state->target_lcd_color);
uint8_t t_s = LCD_SAT(state->target_lcd_color);
uint8_t t_i = LCD_INT(state->target_lcd_color);
uint8_t p_h = LCD_HUE(state->prev_lcd_color);
uint8_t p_s = LCD_SAT(state->prev_lcd_color);
uint8_t p_i = LCD_INT(state->prev_lcd_color);
uint8_t d_h1 = t_h - p_h; //Modulo arithmetic since we want to wrap around
int d_h2 = t_h - p_h;
// Chose the shortest way around
int d_h = abs(d_h2) < d_h1 ? d_h2 : d_h1;
int d_s = t_s - p_s;
int d_i = t_i - p_i;
int hue = (d_h * current_pos) / frame_length;
int sat = (d_s * current_pos) / frame_length;
int intensity = (d_i * current_pos) / frame_length;
//dprintf("%X -> %X = %X\n", p_h, t_h, hue);
hue += p_h;
sat += p_s;
intensity += p_i;
state->current_lcd_color = LCD_COLOR(hue, sat, intensity);
lcd_backlight_color(
LCD_HUE(state->current_lcd_color),
LCD_SAT(state->current_lcd_color),
LCD_INT(state->current_lcd_color));
return true;
}
// This function should be implemented by the keymap visualizer
// Don't change anything else than state->target_lcd_color and state->layer_text as that's the only thing
// that the simple_visualizer assumes that you are updating
// Also make sure that the buffer passed to state->layer_text remains valid until the previous animation is
// stopped. This can be done by either double buffering it or by using constant strings
static void get_visualizer_layer_and_color(visualizer_state_t* state) {
uint8_t saturation = 60;
if (state->status.leds & (1u << USB_LED_CAPS_LOCK)) {
saturation = 255;
}
if (state->status.layer & 0x80) {
state->target_lcd_color = LCD_COLOR(0, 255, 60);
state->layer_text = "Game Arrow";
} else if (state->status.layer & 0x40) {
state->target_lcd_color = LCD_COLOR(0, 255, 60);
state->layer_text = "Game";
} else if (state->status.layer & 0x20) {
state->target_lcd_color = LCD_COLOR(140, 100, 60);
state->layer_text = "Movement";
} else if (state->status.layer & 0x10) {
state->target_lcd_color = LCD_COLOR(0, saturation, 0xFF);
state->layer_text = "Media";
} else if (state->status.layer & 0x8) {
state->target_lcd_color = LCD_COLOR(168, saturation, 0xFF);
state->layer_text = "Symbol";
} else if (state->status.layer & 0x2 || state->status.layer & 0x4) {
state->target_lcd_color = LCD_COLOR(216, 90, 0xFF);
state->layer_text = "Code";
} else {
state->target_lcd_color = LCD_COLOR(84, saturation, 0xFF);
state->layer_text = "Default";
}
}
// This function should be implemented by the keymap visualizer
// Don't change anything else than state->target_lcd_color and state->layer_text as that's the only thing
// that the simple_visualizer assumes that you are updating
// Also make sure that the buffer passed to state->layer_text remains valid until the previous animation is
// stopped. This can be done by either double buffering it or by using constant strings
static void get_visualizer_layer_and_color(visualizer_state_t* state) {
uint8_t saturation = 60;
if (state->status.leds & (1u << USB_LED_CAPS_LOCK)) {
saturation = 255;
}
if (state->status.layer & 0x4) {
state->target_lcd_color = LCD_COLOR(0, saturation, 0xFF);
state->layer_text = "Media & Mouse";
}
else if (state->status.layer & 0x2) {
state->target_lcd_color = LCD_COLOR(168, saturation, 0xFF);
state->layer_text = "Symbol";
}
else {
state->target_lcd_color = LCD_COLOR(84, saturation, 0xFF);
state->layer_text = "Default";
}
}
lcd_data_write_data(vertical_scrolling_pointer & 0xff);
}
/*
uint_fast16_t lcd_get_scanline() {
lcd_data_write_command(0x45);
lcd_data_read();
const uint_fast8_t gts_h = lcd_data_read() & 0x3;
const uint_fast8_t gts_l = lcd_data_read() & 0xff;
return (gts_h << 8) | gts_l;
}
*/
void lcd_frame_sync() {
portapack_lcd_frame_sync();
}
const lcd_color_t color_black = LCD_COLOR(0, 0, 0);
const lcd_color_t color_blue = LCD_COLOR(0, 0, 255);
const lcd_color_t color_red = LCD_COLOR(255, 0, 0);
const lcd_color_t color_white = LCD_COLOR(255, 255, 255);
const lcd_glyph_t* lcd_get_glyph(const lcd_t* const lcd, const char c) {
const lcd_font_t* const font = lcd->font;
if( (c >= font->glyph_table_start) && (c <= font->glyph_table_end) ) {
return &font->glyph_table[c - font->glyph_table_start];
} else {
return &font->glyph_table[0];
}
}
static uint_fast16_t lcd_string_width(
const lcd_t* const lcd,
lcd_color_t lcdColor(uint8_t r, uint8_t g, uint8_t b)
{
return LCD_COLOR(r, g, b);
}
/**
* @brief Main program
* @param None
* @retval None: no exit point
*/
int main(void)
{
uint16_t u16Menu = 0;
uint16_t uVal;
NVIC_Relocate();
/* Initialize SysTick - 1msec resolution */
SysTick_Config(SystemCoreClock / 1000);
/* Initialize main board peripherals */
MBD_Init();
printf("miniSTM32 mainboard initialized.\n");
/* Initialize LCD support */
LCD_Init();
LCD_DisplayOn();
printf("LCD initialized.\n");
LCD_BacklightOn();
printf("\n\nPress the button to start demo.\n\n");
while (1)
{
/* main menu controlled by pushbutton interrupt */
if( uIRQFlag == MAIN_BTN_EXTI_LINE ) {
/* clear button interrupt flag */
uIRQFlag = 0;
/* droid family fonts */
if( u16Menu == MENU_FONT_TEST1 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans Bold 18 pt");
uVal += DroidSans_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif 18 point");
uVal += DroidSerif_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Bold 18 pt");
uVal += DroidSerif_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Italic 18");
#else
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans Bold 18 point");
uVal += DroidSans_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif 18 point");
uVal += DroidSerif_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Bold 18 point");
uVal += DroidSerif_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Italic 18 point");
#endif
}
/* liberation family fonts, federant font */
else if( u16Menu == MENU_FONT_TEST2 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&LiberationSans_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Sans 18 point");
uVal += LiberationSans_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif 18 point");
uVal += LiberationSerif_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif Italic 18");
uVal += LiberationSerif_Italic_18.Height + LINE_SEP;
LCD_SetFont(&Federant_18);
LCD_DisplayStringLine(START_X, uVal, "Federant 18 point");
#else
LCD_SetFont(&LiberationSans_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Sans 18 point");
uVal += LiberationSans_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif 18 point");
uVal += LiberationSerif_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif Italic 18 point");
uVal += LiberationSerif_Italic_18.Height + LINE_SEP;
LCD_SetFont(&Federant_18);
LCD_DisplayStringLine(START_X, uVal, "Federant 18 point");
#endif
}
/* Ubuntu family fonts */
else if( u16Menu == MENU_FONT_TEST3 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&Ubuntu_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu 18 point");
uVal += Ubuntu_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Bold 18 point");
uVal += Ubuntu_Bold_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Italic 18");
#else
LCD_SetFont(&Ubuntu_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu 18 point");
uVal += Ubuntu_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Bold 18 point");
uVal += Ubuntu_Bold_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Italic 18 point");
#endif
}
/* various size of droid sans */
else if( u16Menu == MENU_FONT_TEST4 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
LCD_SetFont(&DroidSans_10);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 10 point");
uVal += DroidSans_10.Height + LINE_SEP;
LCD_SetFont(&DroidSans_12);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 12 point");
uVal += DroidSans_12.Height + LINE_SEP;
LCD_SetFont(&DroidSans_14);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 14 point");
uVal += DroidSans_14.Height + LINE_SEP;
LCD_SetFont(&DroidSans_16);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 16 point");
uVal += DroidSans_16.Height + LINE_SEP;
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_20);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 20 point");
}
/* at the end of menu, restart all over */
if( ++u16Menu == MENU_END )
{
printf("\n\nEnd of Demo: Press the button to restart... \n\n\n");
u16Menu = 0;
}
}
/* usual household routine goes here */
{
}
}
}
