/*
* Callback function when APP_ERROR_CHECK() fails
*
* - Display the filename, line number and error code.
* - Flash all neopixels red for 5 seconds.
* - Reset the system.
*/
void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info) {
static int error_displayed = 0;
uint8_t count = 50;
if(!error_displayed) {
char error_msg[128];
error_info_t *err_info = (error_info_t *) info;
snprintf(error_msg, sizeof(error_msg), "%s:%u -> error 0x%08x\r\n",
err_info->p_file_name, (unsigned int)err_info->line_num,
(unsigned int)err_info->err_code);
puts(error_msg);
gfx_setCursor(0, 0);
gfx_puts(error_msg);
gfx_update();
error_displayed = 1;
}
init_WS2812FX();
setBrightness_WS2812FX(64);
setSpeed_WS2812FX(200);
setColor_WS2812FX(255, 0, 0);
setMode_WS2812FX(FX_MODE_BLINK);
start_WS2812FX();
while (count > 0) {
service_WS2812FX();
nrf_delay_ms(100);
count--;
}
NVIC_SystemReset();
}
void show_warning(void) {
gfx_fillRect(0, 8, 128, 56, SSD1306_BLACK);
gfx_setCursor(0, 8);
// We calculate the number of character we can use
// we keep that value for scrolling
char buffer[MAX_CHAR_UNDER_STATUS_BAR] = {0};
text_index = MAX_CHAR_UNDER_STATUS_BAR;
strncpy(buffer, warning_notice, text_index);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(buffer);
gfx_update();
}
void show_actual_control(void) {
bool control = isRunning_WS2812FX();
char actual[10] = {0};
if (control) {
snprintf(actual, 50, "Now: %s", "ON");
} else {
snprintf(actual, 50, "Now: %s", "OFF");
}
gfx_fillRect(12, 20, 128, 65, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(actual);
}
void show_actual_reverse(void) {
bool reverse = getReverse_WS2812FX();
char actual[10] = {0};
if (reverse) {
snprintf(actual, 50, "Now: %s", "True");
} else {
snprintf(actual, 50, "Now: %s", "False");
}
gfx_fillRect(12, 20, 128, 65, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(actual);
}
/*
* Callback function when the battery status timeout expires
*/
static
void battery_status_timeout_handler(void *p_context) {
char msg[256];
gfx_fillRect(0, 8, 128, 56, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
snprintf(msg, sizeof(msg),
"Battery status:\n"
" Voltage: %04d mV\n"
" Charging: %s\n"
" USB plugged: %s\n",
battery_get_voltage(),
battery_is_charging() ? "Yes" : "No",
battery_is_usb_plugged() ? "Yes" : "No");
gfx_puts(msg);
gfx_update();
}
void scroll_down_warning(bool change_direction) {
if (text_index > strlen(warning_notice)) {
return;
}
gfx_fillRect(0, 8, 128, 56, SSD1306_BLACK);
gfx_setCursor(0, 8);
if (change_direction) {
text_index += MAX_CHAR_UNDER_STATUS_BAR;
}
char buffer[MAX_CHAR_UNDER_STATUS_BAR] = {0};
strncpy(buffer, warning_notice + text_index, MAX_CHAR_UNDER_STATUS_BAR);
text_index += MAX_CHAR_UNDER_STATUS_BAR;
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(buffer);
gfx_update();
}
void show_actual_speed(void) {
uint16_t speed = getSpeed_WS2812FX();
char actual[50] = {0};
if (speed >= SUPER_SLOW_SPEED) {
snprintf(actual, 50, "Now: %s", "Super slow");
} else if (speed >= SLOW_SPEED) {
snprintf(actual, 50, "Now: %s", "Slow");
} else if (speed >= MEDIUM_SPEED) {
snprintf(actual, 50, "Now: %s", "Medium");
} else if (speed >= FAST_SPEED) {
snprintf(actual, 50, "Now: %s", "Fast");
} else {
snprintf(actual, 50, "Now: %s", "Super fast");
}
gfx_fillRect(12, 20, 128, 65, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(actual);
}
void show_actual_brightness(void) {
uint8_t brightness = getBrightness_WS2812FX();
char actual[50] = {0};
if (brightness <= SUPER_LOW_BRIGHTNESS) {
snprintf(actual, 50, "Now: %s", "Super Low");
} else if (brightness <= LOW_BRIGHTNESS) {
snprintf(actual, 50, "Now: %s", "Low");
} else if (brightness <= MEDIUM_BRIGHTNESS) {
snprintf(actual, 50, "Now: %s", "Medium");
} else if (brightness <= HIGH_BRIGHTNESS) {
snprintf(actual, 50, "Now: %s", "High");
} else {
snprintf(actual, 50, "Now: %s", "Max");
}
gfx_fillRect(12, 20, 128, 65, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(actual);
}
void show_actual_color(void) {
uint32_t color;
if (_state == SETTING_STATE_FIRST_COLOR) {
color = getArrayColor_WS2812FX(0);
} else if (_state == SETTING_STATE_SECOND_COLOR) {
color = getArrayColor_WS2812FX(1);
} else {
color = getArrayColor_WS2812FX(2);
}
char actual[50] = {0};
if (color == RED) {
snprintf(actual, 50, "Now: %s", "Red");
} else if (color == GREEN) {
snprintf(actual, 50, "Now: %s", "Green");
} else if (color == BLUE) {
snprintf(actual, 50, "Now: %s", "Blue");
} else if (color == WHITE) {
snprintf(actual, 50, "Now: %s", "White");
} else if (color == BLACK) {
snprintf(actual, 50, "Now: %s", "Black");
} else if (color == YELLOW) {
snprintf(actual, 50, "Now: %s", "Yellow");
} else if (color == CYAN) {
snprintf(actual, 50, "Now: %s", "Cyan");
} else if (color == PURPLE) {
snprintf(actual, 50, "Now: %s", "Purple");
} else {
snprintf(actual, 50, "Now: %s", "Orange");
}
gfx_fillRect(12, 20, 128, 65, SSD1306_BLACK);
gfx_setCursor(0, 12);
gfx_setTextBackgroundColor(SSD1306_WHITE, SSD1306_BLACK);
gfx_puts(actual);
}
/*
* This is the code for the simple DMA2D Demo
*
* Basically it lets you put display digits on the
* screen manually or with the DMA2D peripheral. It
* has various 'bling' levels, and it tracks performance
* by measuring how long it takes to go from one frame
* to the next.
*/
int
main(void) {
int i;
uint32_t t1, t0;
char buf[35];
char *scr_opt;
int f_ndx = 0;
float avg_frame;
int can_switch;
int opt, ds;
/* Enable the clock to the DMA2D device */
rcc_periph_clock_enable(RCC_DMA2D);
fprintf(stderr, "DMA2D Demo program : Digits Gone Wild\n");
printf("Generate background\n");
generate_background();
printf("Generate digits\n");
generate_digits();
gfx_init(lcd_draw_pixel, 800, 480, GFX_FONT_LARGE);
opt = 0; /* screen clearing mode */
can_switch = 0; /* auto switching every 10 seconds */
t0 = mtime();
ds = 0;
while (1) {
switch (opt) {
default:
case 0:
/* very slow way to clear the screen */
scr_opt = "manual clear";
gfx_fillScreen(0xffff);
break;
case 1:
/* faster, using a tight loop */
scr_opt = "dedicated loop";
lcd_clear(0xff7f7f);
break;
case 2:
/* fastest? Using DMA2D to fill screen */
scr_opt = "DMA 2D Fill";
dma2d_fill(0xff7fff7f);
break;
case 3:
/* still fast, using DMA2D to pre-populate BG */
scr_opt = "DMA 2D Background";
dma2d_bgfill();
break;
case 4:
/* Now render all of the digits with DMA2D */
scr_opt = "DMA 2D Digits";
ds = 0;
dma2d_bgfill();
break;
case 5:
/* still fast, using DMA2D to render drop shadows */
scr_opt = "DMA 2D Shadowed Digits";
ds = 1;
dma2d_bgfill();
break;
}
/* This little state machine implements an automatic switch
* every 10 seconds unless you've disabled it with the 'd'
* command.
*/
if (((t0 / 1000) % 10 == 0) && (can_switch > 0)) {
opt = (opt + 1) % MAX_OPTS;
can_switch = 0;
} else if (((t0 / 1000) % 10 != 0) && (can_switch == 0)) {
can_switch = 1;
}
/*
* The first four options (0, 1, 2, 3) all render the digits
* in software every time, options 4 and 5 use the DMA2
* device to render the digits
*/
if (opt < 4) {
display_clock(25, 20, mtime());
} else {
dma2d_clock(25, 20, mtime(), ds);
}
for (i = 0; i < 10; i++) {
if (opt < 4) {
draw_digit(25 + i * (DISP_WIDTH + 8), 350, i, GFX_COLOR_GREEN, GFX_COLOR_BLACK);
} else {
if (ds) {
dma2d_digit(35 + i * (DISP_WIDTH + 8), 360, i, SHADOW, SHADOW);
}
dma2d_digit(25 + i * (DISP_WIDTH + 8), 350, i, 0xff40c040, 0xff000000);
}
}
/* In both cases we write the notes using the graphics library */
gfx_setTextColor(0, 0);
gfx_setTextSize(3);
gfx_setCursor(25, 30 + DISP_HEIGHT + gfx_getTextHeight() + 2);
gfx_puts((unsigned char *)"Hello world for DMA2D!");
lcd_flip(te_lock);
t1 = mtime();
/* this computes a running average of the last 10 frames */
frame_times[f_ndx] = t1 - t0;
f_ndx = (f_ndx + 1) % N_FRAMES;
for (i = 0, avg_frame = 0; i < N_FRAMES; i++) {
avg_frame += frame_times[i];
}
avg_frame = avg_frame / (float) N_FRAMES;
snprintf(buf, 35, "FPS: %6.2f", 1000.0 / avg_frame);
gfx_setCursor(25, 30 + DISP_HEIGHT + 2 * (gfx_getTextHeight() + 2));
gfx_puts((unsigned char *)buf);
gfx_puts((unsigned char *)" ");
gfx_setCursor(25, 30 + DISP_HEIGHT + 3 * (gfx_getTextHeight() + 2));
gfx_puts((unsigned char *)scr_opt);
/*
* The demo runs continuously but it watches for characters
* typed at the console. There are a few options you can select.
*/
i = console_getc(0);
switch (i) {
case 's':
opt = (opt + 1) % MAX_OPTS;
printf("Switched to : %s\n", demo_options[opt]);
break;
case 'd':
can_switch = -1;
printf("Auto switching disabled\n");
break;
case 'e':
can_switch = 0;
printf("Auto switching enabled\n");
break;
case 't':
te_lock = (te_lock == 0);
printf("We are %s for the TE bit to be set\n", (te_lock) ? "WAITING" : "NOT WAITING");
break;
default:
printf("Options:\n");
printf("\ts - switch demo mode\n");
printf("\td - disable auto-switching of demo mode\n");
printf("\te - enable auto-switching of demo mode\n");
printf("\tt - enable/disable Tearing effect lock wait\n");
case 0:
break;
}
t0 = t1;
}
}