FreeCalypso > hg > freecalypso-tools
view target-utils/pln-ppb-test/read_id.c @ 998:fb7442e3d430
CHANGES: mention flash write protection support
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 04 Dec 2023 02:17:54 +0000 |
parents | 5a6019ed7e72 |
children |
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/* * read-id (Autoselect) command */ #include <sys/types.h> #include "types.h" void cmd_read_id(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; } if (addr & 0xFFFF) { printf("ERROR: address is not on 64 KiB boundary\n"); return; } *(volatile u16 *)(addr + 0xAAA) = 0xAA; *(volatile u16 *)(addr + 0x554) = 0x55; *(volatile u16 *)(addr + 0xAAA) = 0x90; }