FreeCalypso > hg > freecalypso-tools
view target-utils/libcommon/cmd_r8.c @ 258:00805e7c4c45
doc/High-speed-serial: update/rewrite for the new FTDI support
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 28 Sep 2017 07:53:50 +0000 |
parents | e7502631a0f9 |
children |
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/* * r8 hexaddr -- read an 8-bit register or memory location */ #include <sys/types.h> #include "types.h" void cmd_r8(argbulk) char *argbulk; { char *argv[2]; u_long addr; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (parse_hexarg(argv[0], 8, &addr) < 0) { printf("ERROR: argument must be a valid 32-bit hex address\n"); return; } printf("%02X\n", *(volatile u8 *)addr); }