mirror of
https://github.com/raphnet/gc_n64_usb-v3
synced 2024-11-16 22:25:03 -05:00
116 lines
2.2 KiB
C
116 lines
2.2 KiB
C
#include <string.h>
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#include <stdio.h>
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#include "gcn64lib.h"
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#include "../requests.h"
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#include "hexdump.h"
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int gcn64lib_getConfig(gcn64_hdl_t hdl, unsigned char param, unsigned char *rx, unsigned char rx_max)
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{
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unsigned char cmd[2];
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int n;
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cmd[0] = RQ_GCN64_GET_CONFIG_PARAM;
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cmd[1] = param;
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n = gcn64_exchange(hdl, cmd, 2, rx, rx_max);
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if (n<2)
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return n;
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n -= 2;
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// Drop the leading CMD and PARAM
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if (n) {
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memmove(rx, rx+2, n);
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}
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return n;
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}
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int gcn64lib_setConfig(gcn64_hdl_t hdl, unsigned char param, unsigned char *data, unsigned char len)
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{
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unsigned char cmd[2 + len];
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int n;
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cmd[0] = RQ_GCN64_SET_CONFIG_PARAM;
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cmd[1] = param;
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memcpy(cmd + 2, data, len);
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n = gcn64_exchange(hdl, cmd, 2 + len, cmd, sizeof(cmd));
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if (n<0)
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return n;
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return 0;
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}
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int gcn64lib_suspendPolling(gcn64_hdl_t hdl, unsigned char suspend)
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{
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unsigned char cmd[2];
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int n;
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cmd[0] = RQ_GCN64_SUSPEND_POLLING;
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cmd[1] = suspend;
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n = gcn64_exchange(hdl, cmd, 2, cmd, sizeof(cmd));
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if (n<0)
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return n;
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return 0;
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}
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int gcn64lib_rawSiCommand(gcn64_hdl_t hdl, unsigned char channel, unsigned char *tx, unsigned char tx_len, unsigned char *rx, unsigned char max_rx)
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{
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unsigned char cmd[3 + tx_len];
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unsigned char rep[3 + 64];
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int cmdlen, rx_len, n;
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cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
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cmd[1] = channel;
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cmd[2] = tx_len;
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memcpy(cmd+3, tx, tx_len);
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cmdlen = 3 + tx_len;
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n = gcn64_exchange(hdl, cmd, cmdlen, rep, sizeof(rep));
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if (n<0)
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return n;
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rx_len = rep[2];
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memcpy(rx, rep + 3, rx_len);
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return rx_len;
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}
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int gcn64lib_16bit_scan(gcn64_hdl_t hdl, unsigned short min, unsigned short max)
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{
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int id, n;
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unsigned char buf[64];
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for (id = min; id<=max; id++) {
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buf[0] = id >> 8;
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buf[1] = id & 0xff;
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n = gcn64lib_rawSiCommand(hdl, 0, buf, 2, buf, sizeof(buf));
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if (n > 0) {
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printf("CMD 0x%04x answer: ", id);
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printHexBuf(buf, n);
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}
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}
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return 0;
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}
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int gcn64lib_8bit_scan(gcn64_hdl_t hdl, unsigned char min, unsigned char max)
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{
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int id, n;
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unsigned char buf[64];
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for (id = min; id<=max; id++) {
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buf[0] = id;
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n = gcn64lib_rawSiCommand(hdl, 0, buf, 1, buf, sizeof(buf));
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if (n > 0) {
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printf("CMD 0x%02x answer: ", id);
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printHexBuf(buf, n);
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}
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}
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return 0;
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}
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