78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
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#include <string.h>
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#include "gcn64lib.h"
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#include "../requests.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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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, rx, max_rx);
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if (n<0)
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return n;
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rx_len = rx[2];
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memmove(rx, rx + 3, rx_len);
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return rx_len;
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}
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