From: Wintermate <wintermute@hannover.ccc.de>
Date: Sat, 26 Oct 2013 11:37:30 +0000 (+0200)
Subject: Schrift fest in Firmware eingebacken, damit die auch funktioniert, wenn auf dem
X-Git-Url: https://git.rohieb.name/hackover2013-badge-firmware.git/commitdiff_plain/08bad2415b930c2b6aa9198789b83db590fa1190

Schrift fest in Firmware eingebacken, damit die auch funktioniert, wenn auf dem
Dataflash nichts ist.
---

diff --git a/badge/ui/font.c b/badge/ui/font.c
index 5914cd1..3ca485f 100644
--- a/badge/ui/font.c
+++ b/badge/ui/font.c
@@ -1,43 +1,237 @@
 #include "font.h"
 #include "sprite.h"
 
-#ifdef __linux__
-#include <stdio.h>
-typedef FILE *FIL;
-typedef uint8_t FRESULT;
-typedef unsigned UINT;
-enum { FR_OK = 0 };
-
-void f_close(FIL *fd) { fclose(*fd); *fd = NULL; }
-FRESULT f_lseek(FIL *fd, unsigned pos) { return fseek(*fd, pos, SEEK_SET); }
-FRESULT f_read(FIL *fd, unsigned char *buffer, size_t buflen, UINT *bytes) {
-  *bytes = fread(buffer, 1, buflen, *fd);
-  return *bytes == 0;
-}
-
-#else
-#include <drivers/fatfs/ff.h>
-#endif
-
-static FRESULT open_font_file(FIL *fd) {
-#ifdef __linux__
-  *fd = fopen("../sprites/font.dat", "r");
-  return fd ? 0 : -1;
-#else
-  return f_open(fd, "/font.dat", FA_OPEN_EXISTING | FA_READ);
-#endif
-}
-
-static uint8_t badge_framebuffer_render_char_with_fd(badge_framebuffer *fb, int8_t pos_x, int8_t pos_y, char c, FIL *fd) {
-  UINT readbytes;
-  uint8_t buffer[BADGE_FONT_GLYPH_WIDTH];
+static unsigned char const fontdata[][BADGE_FONT_GLYPH_WIDTH] = {
+  { 0x00, 0x00, 0x4f, 0x00, 0x00 },
+  { 0x00, 0x07, 0x00, 0x07, 0x00 },
+  { 0x14, 0x7f, 0x14, 0x7f, 0x14 },
+  { 0x24, 0x2a, 0x7f, 0x2a, 0x12 },
+  { 0x23, 0x13, 0x08, 0x64, 0x62 },
+  { 0x36, 0x49, 0x55, 0x22, 0x50 },
+  { 0x00, 0x05, 0x03, 0x00, 0x00 },
+  { 0x00, 0x1c, 0x22, 0x41, 0x00 },
+  { 0x00, 0x41, 0x22, 0x1c, 0x00 },
+  { 0x08, 0x2a, 0x1c, 0x2a, 0x08 },
+  { 0x08, 0x08, 0x3e, 0x08, 0x08 },
+  { 0x00, 0x50, 0x30, 0x00, 0x00 },
+  { 0x08, 0x08, 0x08, 0x08, 0x08 },
+  { 0x00, 0x30, 0x30, 0x00, 0x00 },
+  { 0x20, 0x10, 0x08, 0x04, 0x02 },
+  { 0x3e, 0x51, 0x49, 0x45, 0x3e },
+  { 0x00, 0x42, 0x7f, 0x40, 0x00 },
+  { 0x42, 0x61, 0x51, 0x49, 0x46 },
+  { 0x21, 0x41, 0x45, 0x4b, 0x31 },
+  { 0x18, 0x14, 0x12, 0x7f, 0x10 },
+  { 0x27, 0x45, 0x45, 0x45, 0x39 },
+  { 0x3c, 0x4a, 0x49, 0x49, 0x30 },
+  { 0x01, 0x71, 0x09, 0x05, 0x03 },
+  { 0x36, 0x49, 0x49, 0x49, 0x36 },
+  { 0x06, 0x49, 0x49, 0x29, 0x1e },
+  { 0x00, 0x36, 0x36, 0x00, 0x00 },
+  { 0x00, 0x56, 0x36, 0x00, 0x00 },
+  { 0x00, 0x08, 0x14, 0x22, 0x41 },
+  { 0x14, 0x14, 0x14, 0x14, 0x14 },
+  { 0x41, 0x22, 0x14, 0x08, 0x00 },
+  { 0x02, 0x01, 0x51, 0x09, 0x06 },
+  { 0x32, 0x49, 0x79, 0x41, 0x3e },
+  { 0x7e, 0x11, 0x11, 0x11, 0x7e },
+  { 0x7f, 0x49, 0x49, 0x49, 0x36 },
+  { 0x3e, 0x41, 0x41, 0x41, 0x22 },
+  { 0x7f, 0x41, 0x41, 0x22, 0x1c },
+  { 0x7f, 0x49, 0x49, 0x49, 0x41 },
+  { 0x7f, 0x09, 0x09, 0x01, 0x01 },
+  { 0x3e, 0x41, 0x41, 0x51, 0x32 },
+  { 0x7f, 0x08, 0x08, 0x08, 0x7f },
+  { 0x00, 0x41, 0x7f, 0x41, 0x00 },
+  { 0x20, 0x40, 0x41, 0x3f, 0x01 },
+  { 0x7f, 0x08, 0x14, 0x22, 0x41 },
+  { 0x7f, 0x40, 0x40, 0x40, 0x40 },
+  { 0x7f, 0x02, 0x04, 0x02, 0x7f },
+  { 0x7f, 0x04, 0x08, 0x10, 0x7f },
+  { 0x3e, 0x41, 0x41, 0x41, 0x3e },
+  { 0x7f, 0x09, 0x09, 0x09, 0x06 },
+  { 0x3e, 0x41, 0x51, 0x21, 0x5e },
+  { 0x7f, 0x09, 0x19, 0x29, 0x46 },
+  { 0x46, 0x49, 0x49, 0x49, 0x31 },
+  { 0x01, 0x01, 0x7f, 0x01, 0x01 },
+  { 0x3f, 0x40, 0x40, 0x40, 0x3f },
+  { 0x1f, 0x20, 0x40, 0x20, 0x1f },
+  { 0x7f, 0x20, 0x18, 0x20, 0x7f },
+  { 0x63, 0x14, 0x08, 0x14, 0x63 },
+  { 0x03, 0x04, 0x78, 0x04, 0x03 },
+  { 0x61, 0x51, 0x49, 0x45, 0x43 },
+  { 0x00, 0x00, 0x7f, 0x41, 0x41 },
+  { 0x02, 0x04, 0x08, 0x10, 0x20 },
+  { 0x41, 0x41, 0x7f, 0x00, 0x00 },
+  { 0x04, 0x02, 0x01, 0x02, 0x04 },
+  { 0x40, 0x40, 0x40, 0x40, 0x40 },
+  { 0x00, 0x01, 0x02, 0x04, 0x00 },
+  { 0x20, 0x54, 0x54, 0x54, 0x78 },
+  { 0x7f, 0x48, 0x44, 0x44, 0x38 },
+  { 0x38, 0x44, 0x44, 0x44, 0x20 },
+  { 0x38, 0x44, 0x44, 0x48, 0x7f },
+  { 0x38, 0x54, 0x54, 0x54, 0x18 },
+  { 0x08, 0x7e, 0x09, 0x01, 0x02 },
+  { 0x08, 0x14, 0x54, 0x54, 0x3c },
+  { 0x7f, 0x08, 0x04, 0x04, 0x78 },
+  { 0x00, 0x44, 0x7d, 0x40, 0x00 },
+  { 0x20, 0x40, 0x44, 0x3d, 0x00 },
+  { 0x00, 0x7f, 0x10, 0x28, 0x44 },
+  { 0x00, 0x41, 0x7f, 0x40, 0x00 },
+  { 0x7c, 0x04, 0x18, 0x04, 0x78 },
+  { 0x7c, 0x08, 0x04, 0x04, 0x78 },
+  { 0x38, 0x44, 0x44, 0x44, 0x38 },
+  { 0x7c, 0x14, 0x14, 0x14, 0x08 },
+  { 0x08, 0x14, 0x14, 0x18, 0x7c },
+  { 0x7c, 0x08, 0x04, 0x04, 0x08 },
+  { 0x48, 0x54, 0x54, 0x54, 0x20 },
+  { 0x04, 0x3f, 0x44, 0x40, 0x20 },
+  { 0x3c, 0x40, 0x40, 0x20, 0x7c },
+  { 0x1c, 0x20, 0x40, 0x20, 0x1c },
+  { 0x3c, 0x40, 0x30, 0x40, 0x3c },
+  { 0x44, 0x28, 0x10, 0x28, 0x44 },
+  { 0x0c, 0x50, 0x50, 0x50, 0x3c },
+  { 0x44, 0x64, 0x54, 0x4c, 0x44 },
+  { 0x00, 0x08, 0x36, 0x41, 0x00 },
+  { 0x00, 0x00, 0x7f, 0x00, 0x00 },
+  { 0x00, 0x41, 0x36, 0x08, 0x00 },
+  { 0x10, 0x08, 0x08, 0x10, 0x08 },
+  { 0x78, 0x44, 0x42, 0x44, 0x78 },
+  { 0x14, 0x3e, 0x55, 0x41, 0x22 },
+  { 0x78, 0x14, 0x13, 0x10, 0x7f },
+  { 0x00, 0x50, 0x30, 0x00, 0x00 },
+  { 0x20, 0x48, 0x3e, 0x09, 0x02 },
+  { 0x60, 0x50, 0x00, 0x60, 0x50 },
+  { 0x40, 0x00, 0x40, 0x00, 0x40 },
+  { 0x00, 0x02, 0x7f, 0x02, 0x00 },
+  { 0x00, 0x22, 0x7f, 0x22, 0x00 },
+  { 0x00, 0x02, 0x01, 0x02, 0x00 },
+  { 0x61, 0x69, 0x04, 0x62, 0x61 },
+  { 0x26, 0x49, 0x49, 0x49, 0x32 },
+  { 0x00, 0x08, 0x14, 0x00, 0x00 },
+  { 0x3e, 0x41, 0x41, 0x3e, 0x49 },
+  { 0x01, 0x7f, 0x48, 0x48, 0x30 },
+  { 0x61, 0x51, 0x49, 0x45, 0x43 },
+  { 0x22, 0x49, 0x45, 0x49, 0x3e },
+  { 0x38, 0x44, 0x48, 0x30, 0x4c },
+  { 0x00, 0x01, 0x02, 0x04, 0x00 },
+  { 0x00, 0x04, 0x02, 0x01, 0x00 },
+  { 0x01, 0x02, 0x05, 0x02, 0x04 },
+  { 0x04, 0x02, 0x05, 0x02, 0x01 },
+  { 0x00, 0x1c, 0x1c, 0x1c, 0x00 },
+  { 0x00, 0x08, 0x08, 0x08, 0x08 },
+  { 0x08, 0x08, 0x08, 0x08, 0x08 },
+  { 0x01, 0x00, 0x01, 0x02, 0x01 },
+  { 0x78, 0x2d, 0x2a, 0x28, 0x28 },
+  { 0x48, 0x54, 0x55, 0x54, 0x20 },
+  { 0x00, 0x44, 0x28, 0x10, 0x00 },
+  { 0x38, 0x44, 0x38, 0x54, 0x58 },
+  { 0x1c, 0x3e, 0x7c, 0x3e, 0x1c },
+  { 0x44, 0x64, 0x55, 0x4c, 0x44 },
+  { 0x0e, 0x10, 0x60, 0x10, 0x0e },
+  { 0x00, 0x00, 0x00, 0x00, 0x00 },
+  { 0x00, 0x00, 0x79, 0x00, 0x00 },
+  { 0x1c, 0x22, 0x7f, 0x22, 0x10 },
+  { 0x48, 0x3e, 0x49, 0x41, 0x20 },
+  { 0x22, 0x1c, 0x14, 0x1c, 0x22 },
+  { 0x15, 0x16, 0x7c, 0x16, 0x15 },
+  { 0x00, 0x00, 0x77, 0x00, 0x00 },
+  { 0x20, 0x4a, 0x55, 0x29, 0x02 },
+  { 0x00, 0x01, 0x00, 0x01, 0x00 },
+  { 0x7f, 0x41, 0x5d, 0x49, 0x7f },
+  { 0x48, 0x55, 0x55, 0x55, 0x5e },
+  { 0x10, 0x28, 0x54, 0x28, 0x44 },
+  { 0x10, 0x10, 0x10, 0x10, 0x70 },
+  { 0x10, 0x10, 0x10, 0x10, 0x10 },
+  { 0x7f, 0x41, 0x65, 0x51, 0x7f },
+  { 0x01, 0x01, 0x01, 0x01, 0x01 },
+  { 0x07, 0x08, 0x08, 0x07, 0x00 },
+  { 0x44, 0x44, 0x5f, 0x44, 0x44 },
+  { 0x09, 0x0c, 0x0a, 0x09, 0x00 },
+  { 0x08, 0x0a, 0x0a, 0x05, 0x00 },
+  { 0x00, 0x04, 0x02, 0x01, 0x00 },
+  { 0x7f, 0x10, 0x10, 0x08, 0x1f },
+  { 0x06, 0x09, 0x09, 0x7f, 0x7f },
+  { 0x00, 0x18, 0x18, 0x00, 0x00 },
+  { 0x00, 0x40, 0x58, 0x20, 0x00 },
+  { 0x00, 0x01, 0x07, 0x00, 0x00 },
+  { 0x00, 0x01, 0x02, 0x01, 0x00 },
+  { 0x22, 0x14, 0x2a, 0x14, 0x08 },
+  { 0x11, 0x0f, 0x34, 0x2a, 0x7d },
+  { 0x01, 0x0f, 0x48, 0x64, 0x58 },
+  { 0x0a, 0x0f, 0x30, 0x28, 0x7c },
+  { 0x30, 0x48, 0x45, 0x40, 0x20 },
+  { 0x78, 0x14, 0x13, 0x14, 0x78 },
+  { 0x78, 0x14, 0x13, 0x14, 0x78 },
+  { 0x78, 0x15, 0x14, 0x15, 0x78 },
+  { 0x79, 0x14, 0x14, 0x15, 0x78 },
+  { 0x78, 0x14, 0x12, 0x14, 0x78 },
+  { 0x78, 0x15, 0x16, 0x15, 0x78 },
+  { 0x7c, 0x12, 0x7f, 0x49, 0x49 },
+  { 0x0f, 0x10, 0x50, 0x70, 0x09 },
+  { 0x7c, 0x54, 0x55, 0x54, 0x44 },
+  { 0x7c, 0x54, 0x55, 0x54, 0x44 },
+  { 0x7c, 0x55, 0x54, 0x55, 0x44 },
+  { 0x7c, 0x55, 0x54, 0x55, 0x44 },
+  { 0x00, 0x44, 0x7d, 0x44, 0x00 },
+  { 0x00, 0x44, 0x7d, 0x44, 0x00 },
+  { 0x00, 0x45, 0x7c, 0x45, 0x00 },
+  { 0x00, 0x45, 0x7c, 0x45, 0x00 },
+  { 0x08, 0x7f, 0x49, 0x41, 0x3e },
+  { 0x7d, 0x08, 0x10, 0x21, 0x7c },
+  { 0x3c, 0x42, 0x43, 0x42, 0x3c },
+  { 0x3c, 0x42, 0x43, 0x42, 0x3c },
+  { 0x38, 0x45, 0x44, 0x45, 0x38 },
+  { 0x39, 0x44, 0x44, 0x45, 0x38 },
+  { 0x3c, 0x42, 0x42, 0x42, 0x3c },
+  { 0x22, 0x14, 0x08, 0x14, 0x22 },
+  { 0x08, 0x55, 0x7f, 0x55, 0x08 },
+  { 0x3e, 0x40, 0x41, 0x40, 0x3e },
+  { 0x3e, 0x40, 0x41, 0x40, 0x3e },
+  { 0x3c, 0x41, 0x40, 0x41, 0x3c },
+  { 0x3e, 0x40, 0x40, 0x40, 0x3e },
+  { 0x02, 0x04, 0x79, 0x04, 0x02 },
+  { 0x40, 0x7f, 0x12, 0x12, 0x0c },
+  { 0x40, 0x3e, 0x49, 0x49, 0x36 },
+  { 0x20, 0x54, 0x55, 0x54, 0x78 },
+  { 0x20, 0x54, 0x55, 0x54, 0x78 },
+  { 0x20, 0x55, 0x54, 0x55, 0x78 },
+  { 0x21, 0x54, 0x54, 0x55, 0x78 },
+  { 0x20, 0x55, 0x54, 0x55, 0x78 },
+  { 0x20, 0x55, 0x56, 0x55, 0x78 },
+  { 0x32, 0x4a, 0x3c, 0x4a, 0x2c },
+  { 0x0c, 0x12, 0x52, 0x72, 0x08 },
+  { 0x38, 0x54, 0x55, 0x54, 0x18 },
+  { 0x38, 0x54, 0x55, 0x54, 0x18 },
+  { 0x38, 0x55, 0x54, 0x55, 0x18 },
+  { 0x38, 0x55, 0x54, 0x55, 0x18 },
+  { 0x00, 0x48, 0x7d, 0x40, 0x00 },
+  { 0x00, 0x48, 0x7d, 0x40, 0x00 },
+  { 0x00, 0x49, 0x7c, 0x41, 0x00 },
+  { 0x00, 0x49, 0x7c, 0x41, 0x00 },
+  { 0x25, 0x52, 0x55, 0x58, 0x30 },
+  { 0x7d, 0x08, 0x04, 0x05, 0x78 },
+  { 0x38, 0x44, 0x45, 0x44, 0x38 },
+  { 0x38, 0x44, 0x45, 0x44, 0x38 },
+  { 0x30, 0x4a, 0x49, 0x4a, 0x30 },
+  { 0x32, 0x49, 0x49, 0x4a, 0x31 },
+  { 0x38, 0x45, 0x44, 0x45, 0x38 },
+  { 0x08, 0x08, 0x2a, 0x08, 0x08 },
+  { 0x08, 0x54, 0x3e, 0x15, 0x08 },
+  { 0x3c, 0x40, 0x41, 0x20, 0x7c },
+  { 0x3c, 0x40, 0x41, 0x20, 0x7c },
+  { 0x3c, 0x41, 0x40, 0x21, 0x7c },
+  { 0x3c, 0x41, 0x40, 0x21, 0x7c },
+  { 0x0c, 0x50, 0x52, 0x51, 0x3c },
+  { 0x00, 0x41, 0x7f, 0x54, 0x08 },
+  { 0x0c, 0x51, 0x50, 0x51, 0x3c },
+};
 
+uint8_t badge_framebuffer_render_char(badge_framebuffer *fb, int8_t pos_x, int8_t pos_y, char c) {
   if(c == 32) {
     // intentionally left empty.
-  } else if(c >= 32 &&
-     FR_OK == f_lseek(fd, (c - 33) * BADGE_FONT_GLYPH_WIDTH) &&
-     FR_OK == f_read(fd, buffer, sizeof(buffer), &readbytes)) {
-    badge_sprite sp = { BADGE_FONT_GLYPH_WIDTH, BADGE_FONT_HEIGHT, buffer };
+  } else if(c > 32) {
+    badge_sprite sp = { BADGE_FONT_GLYPH_WIDTH, BADGE_FONT_HEIGHT, fontdata[c - 33] };
     badge_framebuffer_blt(fb, pos_x, pos_y, &sp, 0);
   } else {
     return -1;
@@ -46,45 +240,28 @@ static uint8_t badge_framebuffer_render_char_with_fd(badge_framebuffer *fb, int8
   return 0;
 }
 
-uint8_t badge_framebuffer_render_char(badge_framebuffer *fb, int8_t pos_x, int8_t pos_y, char c) {
-  FIL fd;
-
-  if(FR_OK == open_font_file(&fd)) {
-    badge_framebuffer_render_char_with_fd(fb, pos_x, pos_y, c, &fd);
-    f_close(&fd);
-    return 0;
-  }
-
-  return -1;
-}
-
 uint8_t badge_framebuffer_render_text(badge_framebuffer *fb, int8_t pos_x, int8_t pos_y, char const *text) {
   uint8_t count = 0;
-  FIL fd;
 
-  if(FR_OK == open_font_file(&fd)) {
-    while(*text) {
-      if(0 != badge_framebuffer_render_char_with_fd(fb, pos_x, pos_y, *text, &fd)) {
-        break;
-      }
-
-      ++count;
-      ++text;
-      pos_x += BADGE_FONT_WIDTH;
+  while(*text) {
+    if(0 != badge_framebuffer_render_char(fb, pos_x, pos_y, *text)) {
+      break;
     }
 
-    f_close(&fd);
+    ++count;
+    ++text;
+    pos_x += BADGE_FONT_WIDTH;
   }
 
   return count;
 }
 
-static uint8_t badge_framebuffer_render_number_with_fd(badge_framebuffer *fb, int8_t *pos_x, int8_t pos_y, uint8_t number, FIL *fd) {
+static uint8_t badge_framebuffer_render_number_aux(badge_framebuffer *fb, int8_t *pos_x, int8_t pos_y, uint8_t number) {
   if(number >= 10) {
-    badge_framebuffer_render_number_with_fd(fb, pos_x, pos_y, number / 10, fd);
+    badge_framebuffer_render_number_aux(fb, pos_x, pos_y, number / 10);
   }
 
-  uint8_t err = badge_framebuffer_render_char_with_fd(fb, *pos_x, pos_y, '0' + number % 10, fd);
+  uint8_t err = badge_framebuffer_render_char(fb, *pos_x, pos_y, '0' + number % 10);
 
   if(err != 0) return err;
 
@@ -93,15 +270,5 @@ static uint8_t badge_framebuffer_render_number_with_fd(badge_framebuffer *fb, in
 }
 
 uint8_t badge_framebuffer_render_number(badge_framebuffer *fb, int8_t pos_x, int8_t pos_y, uint8_t number) {
-  FIL fd;
-
-  if(FR_OK == open_font_file(&fd)) {
-    uint8_t err = badge_framebuffer_render_number_with_fd(fb, &pos_x, pos_y, number, &fd);
-
-    if(err != 0) {
-      return err;
-    }
-  }
-
-  return 0;
+  return badge_framebuffer_render_number_aux(fb, &pos_x, pos_y, number);
 }
diff --git a/sprites/fontdata.c b/sprites/fontdata.c
index 3d9f044..365beb4 100644
--- a/sprites/fontdata.c
+++ b/sprites/fontdata.c
@@ -229,12 +229,13 @@ unsigned char const font5x8[] = {
 };
 
 int main(void) {
-  FILE *fd = fopen("font.dat", "wb");
-  size_t i;
+  size_t i, j;
 
-  for(i = 0; i < sizeof(font5x8); ++i) {
-    fputc(font5x8[i] >> 1, fd);
+  for(i = 0; i < sizeof(font5x8) / 5; ++i) {
+    printf("  { ");
+    for(j = 0; j < 4; ++j) {
+      printf("0x%02x, ", font5x8[i * 5 + j] >> 1);
+    }
+    printf("0x%02x },\n", font5x8[i * 5 + 4] >> 1);
   }
-
-  fclose(fd);
 }