FreeCalypso > hg > freecalypso-tools
view target-utils/lunadrv/regcmd.c @ 989:a5bff8104b45
pln-ppb-test: implement program operation
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 03 Dec 2023 00:16:17 +0000 |
parents | 36e6a1ff9608 |
children |
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/* * Handy commands for reading and writing LCD controller registers. */ #include <sys/types.h> #include "types.h" #include "luna.h" void cmd_rd(argbulk) char *argbulk; { char *argv[2]; u_long regno; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (parse_hexarg(argv[0], 4, ®no) < 0) { printf("ERROR: regno argument must be a valid 16-bit hex word\n"); return; } LCD_IR = regno; printf("%04X\n", LCD_DR); } void cmd_wr(argbulk) char *argbulk; { char *argv[3]; u_long regno, value; if (parse_args(argbulk, 2, 2, argv, 0) < 0) return; if (parse_hexarg(argv[0], 4, ®no) < 0) { printf("ERROR: regno argument must be a valid 16-bit hex word\n"); return; } if (parse_hexarg(argv[1], 4, &value) < 0) { printf("ERROR: value argument must be a valid 16-bit hex word\n"); return; } LCD_IR = regno; LCD_DR = value; }