FreeCalypso > hg > freecalypso-tools
view target-utils/c139explore/lcd.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | e7502631a0f9 |
children |
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#include <sys/types.h> #include "types.h" static void send_cmd_data(cmdbyte, databyte) { send_via_uwire(cmdbyte); send_via_uwire(databyte | 0x100); } void cmd_lcdcmd(argbulk) char *argbulk; { char *argv[3]; u_long cmd, data; if (parse_args(argbulk, 2, 2, argv, 0) < 0) return; if (parse_hexarg(argv[0], 2, &cmd) < 0) { printf("ERROR: arg1 must be a valid 8-bit hex value\n"); return; } if (parse_hexarg(argv[1], 2, &data) < 0) { printf("ERROR: arg2 must be a valid 8-bit hex value\n"); return; } send_cmd_data(cmd, data); } static void send_pixel_value(pix) { send_via_uwire((pix >> 8) | 0x100); send_via_uwire((pix & 0xFF) | 0x100); } void cmd_lcdpix(argbulk) char *argbulk; { char *argv[2]; u_long pixval; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (parse_hexarg(argv[0], 4, &pixval) < 0) { printf("ERROR: arg1 must be a valid 16-bit hex value\n"); return; } send_pixel_value(pixval); } void cmd_lcdinit() { /* from OsmocomBB */ send_cmd_data(0x3F, 0x01); send_cmd_data(0x20, 0x03); send_cmd_data(0x31, 0x03); } static void set_lcd_addr_region(xstart, xend, ystart, yend) { send_cmd_data(0x10, xstart); send_cmd_data(0x11, ystart); send_cmd_data(0x12, xend); send_cmd_data(0x13, yend); send_cmd_data(0x14, xstart); send_cmd_data(0x15, ystart); } void cmd_lcdfill(argbulk) char *argbulk; { int argc; char *argv[6]; u_long pixval; int xstart, xend, ystart, yend; int npix; if (parse_args(argbulk, 1, 5, argv, &argc) < 0) return; if (parse_hexarg(argv[0], 4, &pixval) < 0) { printf("ERROR: arg1 must be a valid 16-bit hex value\n"); return; } switch (argc) { case 1: xstart = ystart = 0; xend = 95; yend = 63; break; case 5: xstart = atoi(argv[1]); if (xstart < 0 || xstart > 95) { range_err: printf("ERROR: coordinate arg out of range\n"); return; } xend = atoi(argv[2]); if (xend < 0 || xend > 95) goto range_err; ystart = atoi(argv[3]); if (ystart < 0 || ystart > 63) goto range_err; yend = atoi(argv[4]); if (yend < 0 || yend > 63) goto range_err; if (xend < xstart || yend < ystart) { printf("ERROR: negative range\n"); return; } break; default: printf("ERROR: wrong number of arguments\n"); return; } set_lcd_addr_region(xstart, xend, ystart, yend); npix = (xend + 1 - xstart) * (yend + 1 - ystart); while (npix--) send_pixel_value(pixval); } void cmd_hbars() { int i, j, k, p; /* * The result of this command should be 8 horizontal bars * in the natural RGB order. */ set_lcd_addr_region(16, 79, 0, 63); for (i = 0; i < 8; i++) { for (j = 0; j < 8; j++) { p = 0; if (i & 4) p |= 0xF800; if (i & 2) p |= 0x07E0; if (i & 1) p |= 0x001F; for (k = 0; k < 64; k++) send_pixel_value(p); } } } void cmd_vbars() { int i, j, k, p; /* * The result of this command should be 8 vertical bars * in the natural RGB order. */ set_lcd_addr_region(16, 79, 0, 63); for (i = 0; i < 64; i++) { for (j = 0; j < 8; j++) { p = 0; if (j & 4) p |= 0xF800; if (j & 2) p |= 0x07E0; if (j & 1) p |= 0x001F; for (k = 0; k < 8; k++) send_pixel_value(p); } } }