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add BT display (still WIP)

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This commit is contained in:
philippe44
2020-01-26 23:53:22 -08:00
parent 61c3a1058c
commit 89f15619c7
11 changed files with 709 additions and 100 deletions
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55
components/services/driver_SSD1306.c
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@@ -34,12 +34,14 @@
static const char *TAG = "display";
#define max(a,b) (((a) > (b)) ? (a) : (b))
// handlers
static bool init(char *config, char *welcome);
static void clear(void);
static bool set_font(int num, enum display_font_e font, int space);
static void text(enum display_font_e font, enum display_pos_e pos, int attribute, char *text, ...);
static bool line(int num, enum display_pos_e pos, int offset, int attribute, char *text);
static bool line(int num, int x, int attribute, char *text);
static int stretch(int num, char *string, int max);
static void draw_cbr(u8_t *data, int height);
static void draw(int x1, int y1, int x2, int y2, bool by_column, u8_t *data);
@@ -106,7 +108,7 @@ static bool init(char *config, char *welcome) {
SSD1306_SetFont( &Display, &Font_droid_sans_fallback_15x17 );
SSD1306_display.width = width;
SSD1306_display.height = height;
text(DISPLAY_FONT_MEDIUM, DISPLAY_CENTER, DISPLAY_CLEAR | DISPLAY_UPDATE, welcome);
text(DISPLAY_FONT_MEDIUM, DISPLAY_CENTERED, DISPLAY_CLEAR | DISPLAY_UPDATE, welcome);
ESP_LOGI(TAG, "Initialized I2C display %dx%d", width, height);
res = true;
} else {
@@ -134,6 +136,9 @@ static bool set_font(int num, enum display_font_e font, int space) {
if (--num >= MAX_LINES) return false;
switch(font) {
case DISPLAY_FONT_LINE1:
lines[num].font = &Font_line1_11x13;
break;
case DISPLAY_FONT_TINY:
lines[num].font = &Font_droid_sans_fallback_11x13;
break;
@@ -144,7 +149,7 @@ static bool set_font(int num, enum display_font_e font, int space) {
lines[num].font = &Font_liberation_mono_9x15;
break;
case DISPLAY_FONT_LARGE:
lines[num].font = &Font_Earthbound18x21;
lines[num].font = &Font_VDS_Compensated15x22;
break;
case DISPLAY_FONT_HUGE:
lines[num].font = &Font_droid_sans_fallback_24x28;
@@ -161,8 +166,9 @@ static bool set_font(int num, enum display_font_e font, int space) {
// re-calculate lines absolute position
lines[num].space = space;
for (int i = 1; i <= num; i++) lines[i].y = lines[i-1].y + lines[i-1].font->Height + lines[i-1].space;
lines[0].y = lines[0].space;
for (int i = 1; i <= num; i++) lines[i].y = lines[i-1].y + lines[i-1].font->Height + lines[i].space;
ESP_LOGI(TAG, "adding line %u at %u (height:%u)", num + 1, lines[num].y, lines[num].font->Height);
if (lines[num].y + lines[num].font->Height > Display.Height) {
@@ -176,8 +182,8 @@ static bool set_font(int num, enum display_font_e font, int space) {
/****************************************************************************************
*
*/
static bool line(int num, enum display_pos_e pos, int x, int attribute, char *text) {
bool fits;
static bool line(int num, int x, int attribute, char *text) {
int width;
// counting 1..n
num--;
@@ -189,23 +195,29 @@ static bool line(int num, enum display_pos_e pos, int x, int attribute, char *te
}
SSD1306_SetFont( &Display, lines[num].font );
if (attribute & DISPLAY_MONOSPACE) SSD1306_FontForceMonospace( &Display, true );
// erase line if requested
width = SSD1306_FontMeasureString( &Display, text );
// adjusting position, erase only EoL for rigth-justified
if (x == DISPLAY_RIGHT) x = Display.Width - width - 1;
else if (x == DISPLAY_CENTER) x = (Display.Width - width) / 2;
// erase if requested
if (attribute & DISPLAY_CLEAR) {
for (int x = 0 ; x < Display.Width; x++)
for (int c = (attribute & DISPLAY_ONLY_EOL) ? x : 0; c < Display.Width; c++)
for (int y = lines[num].y; y < lines[num].y + lines[num].font->Height; y++)
SSD1306_DrawPixelFast( &Display, x, y, SSD_COLOR_BLACK );
SSD1306_DrawPixelFast( &Display, c, y, SSD_COLOR_BLACK );
}
fits = SSD1306_FontMeasureString( &Display, text ) + x <= Display.Width;
SSD1306_FontDrawString( &Display, x, lines[num].y, text, SSD_COLOR_WHITE );
ESP_LOGI(TAG, "displaying %s line %u (x:%d, attr:%u)", text, num+1, x, attribute);
ESP_LOGD(TAG, "displaying %s line %u (x:%d, attr:%u)", text, num+1, x, attribute);
// update whole display if requested
if (attribute & DISPLAY_UPDATE) SSD1306_Update( &Display );
return fits;
return width + x < Display.Width;
}
/****************************************************************************************
@@ -228,15 +240,13 @@ static int stretch(int num, char *string, int max) {
// mark the end of the extended string
boundary = SSD1306_FontMeasureString( &Display, string );
// add a full display width
while (len < max && SSD1306_FontMeasureString( &Display, string ) - boundary < Display.Width) {
string[len++] = string[extra++];
string[len] = '\0';
}
// string has space for max+1
string[len] = '\0';
return boundary;
}
@@ -254,6 +264,9 @@ static void text(enum display_font_e font, enum display_pos_e pos, int attribute
if (!text) return;
switch(font) {
case DISPLAY_FONT_LINE1:
SSD1306_SetFont( &Display, &Font_line1_11x13 );
break;
case DISPLAY_FONT_TINY:
SSD1306_SetFont( &Display, &Font_droid_sans_fallback_11x13 );
break;
@@ -261,7 +274,7 @@ static void text(enum display_font_e font, enum display_pos_e pos, int attribute
SSD1306_SetFont( &Display, &Font_droid_sans_mono_7x13 );
break;
case DISPLAY_FONT_LARGE:
SSD1306_SetFont( &Display, &Font_Earthbound18x21 );
SSD1306_SetFont( &Display, &Font_VDS_Compensated15x22 );
break;
case DISPLAY_FONT_HUGE:
SSD1306_SetFont( &Display, &Font_droid_sans_fallback_24x28 );
@@ -290,7 +303,7 @@ static void text(enum display_font_e font, enum display_pos_e pos, int attribute
case DISPLAY_BOTTOM_LEFT:
Anchor = TextAnchor_SouthWest;
break;
case DISPLAY_CENTER:
case DISPLAY_CENTERED:
Anchor = TextAnchor_Center;
break;
}