FreeCalypso > hg > freecalypso-tools
view target-utils/libcommon/cmd_w8.c @ 992:c4c400c1b10c
fc-loadtool flash: no flash2 ppb-erase-all
All PPBs from across the entire flash chip can only be erased together
as a unit, spanning across both banks on 16 MiB chips - therefore,
we shall disallow 'flash2 ppb-erase-all', and accept 'flash ppb-erase-all'
only.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 03 Dec 2023 04:47:31 +0000 |
| parents | e7502631a0f9 |
| 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; }
