diff options
Diffstat (limited to 'laser-tag software/text.c')
| -rw-r--r-- | laser-tag software/text.c | 780 |
1 files changed, 780 insertions, 0 deletions
diff --git a/laser-tag software/text.c b/laser-tag software/text.c new file mode 100644 index 0000000..6637c62 --- /dev/null +++ b/laser-tag software/text.c @@ -0,0 +1,780 @@ + +#include "text.h" + +#define LINES_PER_DISPLAY (128) +#define BYTES_PER_SCAN (128 / 4 / 2) +#define BYTES_PER_LINE (232 / 8) + + +#include "images/alphabet/ascii0x20.xbm" +#include "images/alphabet/ascii0x21.xbm" +#include "images/alphabet/ascii0x22.xbm" +#include "images/alphabet/ascii0x23.xbm" +#include "images/alphabet/ascii0x24.xbm" +#include "images/alphabet/ascii0x25.xbm" +#include "images/alphabet/ascii0x26.xbm" +#include "images/alphabet/ascii0x27.xbm" +#include "images/alphabet/ascii0x28.xbm" +#include "images/alphabet/ascii0x29.xbm" +#include "images/alphabet/ascii0x2a.xbm" +#include "images/alphabet/ascii0x2b.xbm" +#include "images/alphabet/ascii0x2c.xbm" +#include "images/alphabet/ascii0x2d.xbm" +#include "images/alphabet/ascii0x2e.xbm" +#include "images/alphabet/ascii0x2f.xbm" +#include "images/alphabet/ascii0x30.xbm" +#include "images/alphabet/ascii0x31.xbm" +#include "images/alphabet/ascii0x32.xbm" +#include "images/alphabet/ascii0x33.xbm" +#include "images/alphabet/ascii0x34.xbm" +#include "images/alphabet/ascii0x35.xbm" +#include "images/alphabet/ascii0x36.xbm" +#include "images/alphabet/ascii0x37.xbm" +#include "images/alphabet/ascii0x38.xbm" +#include "images/alphabet/ascii0x39.xbm" +#include "images/alphabet/ascii0x3a.xbm" +#include "images/alphabet/ascii0x3b.xbm" +#include "images/alphabet/ascii0x3c.xbm" +#include "images/alphabet/ascii0x3d.xbm" +#include "images/alphabet/ascii0x3e.xbm" +#include "images/alphabet/ascii0x3f.xbm" +#include "images/alphabet/ascii0x40.xbm" +#include "images/alphabet/ascii0x41.xbm" +#include "images/alphabet/ascii0x42.xbm" +#include "images/alphabet/ascii0x43.xbm" +#include "images/alphabet/ascii0x44.xbm" +#include "images/alphabet/ascii0x45.xbm" +#include "images/alphabet/ascii0x46.xbm" +#include "images/alphabet/ascii0x47.xbm" +#include "images/alphabet/ascii0x48.xbm" +#include "images/alphabet/ascii0x49.xbm" +#include "images/alphabet/ascii0x4a.xbm" +#include "images/alphabet/ascii0x4b.xbm" +#include "images/alphabet/ascii0x4c.xbm" +#include "images/alphabet/ascii0x4d.xbm" +#include "images/alphabet/ascii0x4e.xbm" +#include "images/alphabet/ascii0x4f.xbm" +#include "images/alphabet/ascii0x50.xbm" +#include "images/alphabet/ascii0x51.xbm" +#include "images/alphabet/ascii0x52.xbm" +#include "images/alphabet/ascii0x53.xbm" +#include "images/alphabet/ascii0x54.xbm" +#include "images/alphabet/ascii0x55.xbm" +#include "images/alphabet/ascii0x56.xbm" +#include "images/alphabet/ascii0x57.xbm" +#include "images/alphabet/ascii0x58.xbm" +#include "images/alphabet/ascii0x59.xbm" +#include "images/alphabet/ascii0x5a.xbm" +#include "images/alphabet/ascii0x5b.xbm" +#include "images/alphabet/ascii0x5c.xbm" +#include "images/alphabet/ascii0x5d.xbm" +#include "images/alphabet/ascii0x5e.xbm" +#include "images/alphabet/ascii0x5f.xbm" +#include "images/alphabet/ascii0x60.xbm" +#include "images/alphabet/ascii0x61.xbm" +#include "images/alphabet/ascii0x62.xbm" +#include "images/alphabet/ascii0x63.xbm" +#include "images/alphabet/ascii0x64.xbm" +#include "images/alphabet/ascii0x65.xbm" +#include "images/alphabet/ascii0x66.xbm" +#include "images/alphabet/ascii0x67.xbm" +#include "images/alphabet/ascii0x68.xbm" +#include "images/alphabet/ascii0x69.xbm" +#include "images/alphabet/ascii0x6a.xbm" +#include "images/alphabet/ascii0x6b.xbm" +#include "images/alphabet/ascii0x6c.xbm" +#include "images/alphabet/ascii0x6d.xbm" +#include "images/alphabet/ascii0x6e.xbm" +#include "images/alphabet/ascii0x6f.xbm" +#include "images/alphabet/ascii0x70.xbm" +#include "images/alphabet/ascii0x71.xbm" +#include "images/alphabet/ascii0x72.xbm" +#include "images/alphabet/ascii0x73.xbm" +#include "images/alphabet/ascii0x74.xbm" +#include "images/alphabet/ascii0x75.xbm" +#include "images/alphabet/ascii0x76.xbm" +#include "images/alphabet/ascii0x77.xbm" +#include "images/alphabet/ascii0x78.xbm" +#include "images/alphabet/ascii0x79.xbm" +#include "images/alphabet/ascii0x7a.xbm" +#include "images/alphabet/ascii0x7b.xbm" +#include "images/alphabet/ascii0x7c.xbm" +#include "images/alphabet/ascii0x7d.xbm" +#include "images/alphabet/ascii0x7e.xbm" + +#if (ascii0x41_width > EPAPER_WIDTH) || (ascii0x41_width == 0) +#error "Invalid character width" +#endif +#if (ascii0x41_height > EPAPER_HEIGHT) || (ascii0x41_height == 0) +#error "Invalid character height" +#endif + +#if ascii0x21_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x21 is thus invalid" +#endif +#if ascii0x22_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x22 is thus invalid" +#endif +#if ascii0x23_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x23 is thus invalid" +#endif +#if ascii0x24_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x24 is thus invalid" +#endif +#if ascii0x25_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x25 is thus invalid" +#endif +#if ascii0x26_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x26 is thus invalid" +#endif +#if ascii0x27_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x27 is thus invalid" +#endif +#if ascii0x28_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x28 is thus invalid" +#endif +#if ascii0x29_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x29 is thus invalid" +#endif +#if ascii0x2a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2a is thus invalid" +#endif +#if ascii0x2b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2b is thus invalid" +#endif +#if ascii0x2c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2c is thus invalid" +#endif +#if ascii0x2d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2d is thus invalid" +#endif +#if ascii0x2e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2e is thus invalid" +#endif +#if ascii0x2f_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x2f is thus invalid" +#endif +#if ascii0x30_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x30 is thus invalid" +#endif +#if ascii0x31_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x31 is thus invalid" +#endif +#if ascii0x32_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x32 is thus invalid" +#endif +#if ascii0x33_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x33 is thus invalid" +#endif +#if ascii0x34_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x34 is thus invalid" +#endif +#if ascii0x35_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x35 is thus invalid" +#endif +#if ascii0x36_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x36 is thus invalid" +#endif +#if ascii0x37_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x37 is thus invalid" +#endif +#if ascii0x38_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x38 is thus invalid" +#endif +#if ascii0x39_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x39 is thus invalid" +#endif +#if ascii0x3a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3a is thus invalid" +#endif +#if ascii0x3b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3b is thus invalid" +#endif +#if ascii0x3c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3c is thus invalid" +#endif +#if ascii0x3d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3d is thus invalid" +#endif +#if ascii0x3e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3e is thus invalid" +#endif +#if ascii0x3f_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x3f is thus invalid" +#endif +#if ascii0x40_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x40 is thus invalid" +#endif +#if ascii0x41_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x41 is thus invalid" +#endif +#if ascii0x42_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x42 is thus invalid" +#endif +#if ascii0x43_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x43 is thus invalid" +#endif +#if ascii0x44_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x44 is thus invalid" +#endif +#if ascii0x45_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x45 is thus invalid" +#endif +#if ascii0x46_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x46 is thus invalid" +#endif +#if ascii0x47_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x47 is thus invalid" +#endif +#if ascii0x48_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x48 is thus invalid" +#endif +#if ascii0x49_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x49 is thus invalid" +#endif +#if ascii0x4a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4a is thus invalid" +#endif +#if ascii0x4b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4b is thus invalid" +#endif +#if ascii0x4c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4c is thus invalid" +#endif +#if ascii0x4d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4d is thus invalid" +#endif +#if ascii0x4e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4e is thus invalid" +#endif +#if ascii0x4f_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x4f is thus invalid" +#endif +#if ascii0x50_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x50 is thus invalid" +#endif +#if ascii0x51_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x51 is thus invalid" +#endif +#if ascii0x52_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x52 is thus invalid" +#endif +#if ascii0x53_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x53 is thus invalid" +#endif +#if ascii0x54_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x54 is thus invalid" +#endif +#if ascii0x55_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x55 is thus invalid" +#endif +#if ascii0x56_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x56 is thus invalid" +#endif +#if ascii0x57_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x57 is thus invalid" +#endif +#if ascii0x58_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x58 is thus invalid" +#endif +#if ascii0x59_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x59 is thus invalid" +#endif +#if ascii0x5a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5a is thus invalid" +#endif +#if ascii0x5b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5b is thus invalid" +#endif +#if ascii0x5c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5c is thus invalid" +#endif +#if ascii0x5d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5d is thus invalid" +#endif +#if ascii0x5e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5e is thus invalid" +#endif +#if ascii0x5f_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x5f is thus invalid" +#endif +#if ascii0x60_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x60 is thus invalid" +#endif +#if ascii0x61_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x61 is thus invalid" +#endif +#if ascii0x62_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x62 is thus invalid" +#endif +#if ascii0x63_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x63 is thus invalid" +#endif +#if ascii0x64_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x64 is thus invalid" +#endif +#if ascii0x65_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x65 is thus invalid" +#endif +#if ascii0x66_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x66 is thus invalid" +#endif +#if ascii0x67_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x67 is thus invalid" +#endif +#if ascii0x68_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x68 is thus invalid" +#endif +#if ascii0x69_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x69 is thus invalid" +#endif +#if ascii0x6a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6a is thus invalid" +#endif +#if ascii0x6b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6b is thus invalid" +#endif +#if ascii0x6c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6c is thus invalid" +#endif +#if ascii0x6d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6d is thus invalid" +#endif +#if ascii0x6e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6e is thus invalid" +#endif +#if ascii0x6f_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x6f is thus invalid" +#endif +#if ascii0x70_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x70 is thus invalid" +#endif +#if ascii0x71_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x71 is thus invalid" +#endif +#if ascii0x72_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x72 is thus invalid" +#endif +#if ascii0x73_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x73 is thus invalid" +#endif +#if ascii0x74_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x74 is thus invalid" +#endif +#if ascii0x75_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x75 is thus invalid" +#endif +#if ascii0x76_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x76 is thus invalid" +#endif +#if ascii0x77_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x77 is thus invalid" +#endif +#if ascii0x78_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x78 is thus invalid" +#endif +#if ascii0x79_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x79 is thus invalid" +#endif +#if ascii0x7a_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x7a is thus invalid" +#endif +#if ascii0x7b_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x7b is thus invalid" +#endif +#if ascii0x7c_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x7c is thus invalid" +#endif +#if ascii0x7d_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x7d is thus invalid" +#endif +#if ascii0x7e_height != ascii0x41_height +#error "Only fixed-height fonts are currently supported, ascii0x7e is thus invalid" +#endif + +#define CHARACTER_HEIGHT ascii0x41_height +#define HEIGHT_SPACING 0 +#define WIDTH_SPACING 4 + +/* Create a space, based on an 'i' */ +//#define ascii0x20_width ascii0x69_width +//static const uint8_t ascii0x20_bits[ascii0x20_width] = { 0 }; + +static const uint8_t *alphabet_bits[] = { + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + ascii0x20_bits, + ascii0x21_bits, + ascii0x22_bits, + ascii0x23_bits, + ascii0x24_bits, + ascii0x25_bits, + ascii0x26_bits, + ascii0x27_bits, + ascii0x28_bits, + ascii0x29_bits, + ascii0x2a_bits, + ascii0x2b_bits, + ascii0x2c_bits, + ascii0x2d_bits, + ascii0x2e_bits, + ascii0x2f_bits, + ascii0x30_bits, + ascii0x31_bits, + ascii0x32_bits, + ascii0x33_bits, + ascii0x34_bits, + ascii0x35_bits, + ascii0x36_bits, + ascii0x37_bits, + ascii0x38_bits, + ascii0x39_bits, + ascii0x3a_bits, + ascii0x3b_bits, + ascii0x3c_bits, + ascii0x3d_bits, + ascii0x3e_bits, + ascii0x3f_bits, + ascii0x40_bits, + ascii0x41_bits, + ascii0x42_bits, + ascii0x43_bits, + ascii0x44_bits, + ascii0x45_bits, + ascii0x46_bits, + ascii0x47_bits, + ascii0x48_bits, + ascii0x49_bits, + ascii0x4a_bits, + ascii0x4b_bits, + ascii0x4c_bits, + ascii0x4d_bits, + ascii0x4e_bits, + ascii0x4f_bits, + ascii0x50_bits, + ascii0x51_bits, + ascii0x52_bits, + ascii0x53_bits, + ascii0x54_bits, + ascii0x55_bits, + ascii0x56_bits, + ascii0x57_bits, + ascii0x58_bits, + ascii0x59_bits, + ascii0x5a_bits, + ascii0x5b_bits, + ascii0x5c_bits, + ascii0x5d_bits, + ascii0x5e_bits, + ascii0x5f_bits, + ascii0x60_bits, + ascii0x61_bits, + ascii0x62_bits, + ascii0x63_bits, + ascii0x64_bits, + ascii0x65_bits, + ascii0x66_bits, + ascii0x67_bits, + ascii0x68_bits, + ascii0x69_bits, + ascii0x6a_bits, + ascii0x6b_bits, + ascii0x6c_bits, + ascii0x6d_bits, + ascii0x6e_bits, + ascii0x6f_bits, + ascii0x70_bits, + ascii0x71_bits, + ascii0x72_bits, + ascii0x73_bits, + ascii0x74_bits, + ascii0x75_bits, + ascii0x76_bits, + ascii0x77_bits, + ascii0x78_bits, + ascii0x79_bits, + ascii0x7a_bits, + ascii0x7b_bits, + ascii0x7c_bits, + ascii0x7d_bits, + ascii0x7e_bits, + NULL, +}; + +#define ALIGN_WIDTH(x) ((x+7)/8) +#define GET_BLOCK2(x) (x/8) +#define GET_BLOCK(x) ((x)>>3) +static const uint8_t alphabet_bit_width[] = { + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + ascii0x20_width, + ascii0x21_width, + ascii0x22_width, + ascii0x23_width, + ascii0x24_width, + ascii0x25_width, + ascii0x26_width, + ascii0x27_width, + ascii0x28_width, + ascii0x29_width, + ascii0x2a_width, + ascii0x2b_width, + ascii0x2c_width, + ascii0x2d_width, + ascii0x2e_width, + ascii0x2f_width, + ascii0x30_width, + ascii0x31_width, + ascii0x32_width, + ascii0x33_width, + ascii0x34_width, + ascii0x35_width, + ascii0x36_width, + ascii0x37_width, + ascii0x38_width, + ascii0x39_width, + ascii0x3a_width, + ascii0x3b_width, + ascii0x3c_width, + ascii0x3d_width, + ascii0x3e_width, + ascii0x3f_width, + ascii0x40_width, + ascii0x41_width, + ascii0x42_width, + ascii0x43_width, + ascii0x44_width, + ascii0x45_width, + ascii0x46_width, + ascii0x47_width, + ascii0x48_width, + ascii0x49_width, + ascii0x4a_width, + ascii0x4b_width, + ascii0x4c_width, + ascii0x4d_width, + ascii0x4e_width, + ascii0x4f_width, + ascii0x50_width, + ascii0x51_width, + ascii0x52_width, + ascii0x53_width, + ascii0x54_width, + ascii0x55_width, + ascii0x56_width, + ascii0x57_width, + ascii0x58_width, + ascii0x59_width, + ascii0x5a_width, + ascii0x5b_width, + ascii0x5c_width, + ascii0x5d_width, + ascii0x5e_width, + ascii0x5f_width, + ascii0x60_width, + ascii0x61_width, + ascii0x62_width, + ascii0x63_width, + ascii0x64_width, + ascii0x65_width, + ascii0x66_width, + ascii0x67_width, + ascii0x68_width, + ascii0x69_width, + ascii0x6a_width, + ascii0x6b_width, + ascii0x6c_width, + ascii0x6d_width, + ascii0x6e_width, + ascii0x6f_width, + ascii0x70_width, + ascii0x71_width, + ascii0x72_width, + ascii0x73_width, + ascii0x74_width, + ascii0x75_width, + ascii0x76_width, + ascii0x77_width, + ascii0x78_width, + ascii0x79_width, + ascii0x7a_width, + ascii0x7b_width, + ascii0x7c_width, + ascii0x7d_width, + ascii0x7e_width, + 0, +}; + +#define alphabet_byte_width(x) ALIGN_WIDTH(alphabet_bit_width[x]) + +/* a truthy result indicates that *pimage is safe to use */ +/* otherwise, pimage must be reinitialized */ +uint8_t text_to_image(const char* ptext, uint8_t length, uint8_t *pimage, uint8_t offset_x, uint8_t offset_y, uint8_t upper_x, uint8_t upper_y) { + /* Check input properly when you're thinking clearly */ + if (upper_x > EPAPER_WIDTH) { + printf("1\n"); + return 0; + } + if (upper_y > EPAPER_HEIGHT) { + printf("2\n"); + return 0; + } + + if ((uint16_t)offset_x + ascii0x41_width > upper_x) { + printf("3\n"); + return 0; + } + if ((uint16_t)offset_y + CHARACTER_HEIGHT + HEIGHT_SPACING > upper_y) { + printf("4\n"); + return 0; + } + + if (length == 0) { + return 0; + } + + // Easier to let the compiler handle offsets + uint8_t (*ppimage)[EPAPER_HEIGHT][ALIGN_WIDTH(EPAPER_WIDTH)] = (void*)pimage; + + /* Now replace the image */ + { + printf("performing a write\n"); + uint32_t x = offset_x; + uint32_t y = offset_y; + uint8_t last_line = 0; + uint8_t temp = 0; + // Block == byte that contains the 8 values + // Cell == bit within a block + uint8_t image_cell, char_cell; + uint32_t image_block; + uint32_t char_block; + for (uint32_t i = 0; i < length; i++) { + uint8_t c = ptext[i]; + + if (c == 0) { + length = i; + break; + } + if ((uint8_t)c > 0x80) { + printf("Char violation %02x\n", c); + return 0; + } + + + const uint8_t (*pchar)[CHARACTER_HEIGHT][alphabet_byte_width(c)] = (void*)alphabet_bits[c]; + + // Wrap to next line + if (x + alphabet_bit_width[c] >= upper_x) { + // Last line but we have more data, can't fulfill + if (last_line) { + printf("More writing requested but already hit end\n"); + return 0; + } + + x = offset_x; + y += CHARACTER_HEIGHT + HEIGHT_SPACING; + } + + if (y >= upper_y) { + printf("Bounds violation y WITHIN REPLACER\n"); + return 0; + } + + if (y + CHARACTER_HEIGHT >= upper_y) { + printf("Bounds violation y WITHIN REPLACER\n"); + return 0; + } + + if (y + CHARACTER_HEIGHT + HEIGHT_SPACING >= upper_y) { + last_line = 1; + } + + printf("writing %c (x=%04d) starting at x=%04d, y=%04d\n", c, alphabet_bit_width[c], x, y); + for (uint8_t yi = 0; yi < CHARACTER_HEIGHT; yi++) { + if (x + alphabet_bit_width[c] >= upper_x) { + printf("Bounds violation x+abw WITHIN REPLACER\n"); + return 0; + } + for (uint8_t xi = 0; xi < alphabet_bit_width[c]; xi++) { + image_block = GET_BLOCK(x + xi); + image_cell = ((x + xi) % 8); + char_block = GET_BLOCK(xi); + char_cell = (xi % 8); + printf(" x=%02d, xi=%02d ib=%04d, ic=%04d cb=%04d, cc=%04d\n", x, xi, image_block, image_cell, char_block, char_cell); + + temp = (*ppimage)[y+yi][image_block]; + temp &= ((uint8_t)-1) ^ (1<<image_cell); + temp |= (((*pchar)[yi][char_block] >> char_cell) & 1) << image_cell; + + (*ppimage)[y+yi][image_block] = temp; + } + } + + x += alphabet_bit_width[c]; + x += WIDTH_SPACING; + } + } + + return 1; +} + |