FreeCalypso > hg > freecalypso-tools
annotate target-utils/pln-ppb-test/read_id.c @ 990:f34261bb3355
pln-ppb-test: implement PPB erase
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 03 Dec 2023 00:20:14 +0000 |
parents | 5a6019ed7e72 |
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pln-ppb-test: implement read-id
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1 /* |
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pln-ppb-test: implement read-id
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2 * read-id (Autoselect) command |
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3 */ |
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Mychaela Falconia <falcon@freecalypso.org>
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4 |
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5 #include <sys/types.h> |
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pln-ppb-test: implement read-id
Mychaela Falconia <falcon@freecalypso.org>
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6 #include "types.h" |
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Mychaela Falconia <falcon@freecalypso.org>
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7 |
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Mychaela Falconia <falcon@freecalypso.org>
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8 void |
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9 cmd_read_id(argbulk) |
5a6019ed7e72
pln-ppb-test: implement read-id
Mychaela Falconia <falcon@freecalypso.org>
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10 char *argbulk; |
5a6019ed7e72
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11 { |
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12 char *argv[2]; |
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13 u_long addr; |
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14 |
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15 if (parse_args(argbulk, 1, 1, argv, 0) < 0) |
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16 return; |
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17 if (parse_hexarg(argv[0], 8, &addr) < 0) { |
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18 printf("ERROR: argument must be a valid 32-bit hex address\n"); |
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19 return; |
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20 } |
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21 if (addr & 0xFFFF) { |
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22 printf("ERROR: address is not on 64 KiB boundary\n"); |
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23 return; |
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24 } |
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25 *(volatile u16 *)(addr + 0xAAA) = 0xAA; |
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26 *(volatile u16 *)(addr + 0x554) = 0x55; |
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27 *(volatile u16 *)(addr + 0xAAA) = 0x90; |
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28 } |