FreeCalypso > hg > freecalypso-sw
view target-utils/libcommon/cmd_w8.c @ 896:7c5b129573f6
doc/Pirelli-Howto written
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Wed, 01 Jul 2015 06:03:24 +0000 |
parents | 4c78fc688127 |
children |
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/* * w8 hexaddr xx -- write an 8-bit register or memory location */ #include <sys/types.h> #include "types.h" void cmd_w8(argbulk) char *argbulk; { char *argv[3]; u_long addr, data; if (parse_args(argbulk, 2, 2, argv, 0) < 0) return; if (parse_hexarg(argv[0], 8, &addr) < 0) { printf("ERROR: arg1 must be a valid 32-bit hex address\n"); return; } if (parse_hexarg(argv[1], 2, &data) < 0) { printf("ERROR: arg2 must be a valid 8-bit hex value\n"); return; } *(volatile u8 *)addr = data; }