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Fill report descriptor fully (required for windows)

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This commit is contained in:
Raphael Assenat 2015-10-24 14:16:53 -04:00
parent 09dbeb212a
commit ceca9a0148
1 changed files with 22 additions and 8 deletions
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30
tool/gcn64.c
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@ -28,7 +28,7 @@
static int dusbr_verbose = 0;
#define GCN64_HID_DATA_REPORT_SIZE 40
#define IS_VERBOSE() (dusbr_verbose)
int gcn64_init(int verbose)
@ -196,13 +196,20 @@ void gcn64_closeDevice(gcn64_hdl_t hdl)
int gcn64_send_cmd(gcn64_hdl_t hdl, const unsigned char *cmd, int cmdlen)
{
hid_device *hdev = (hid_device*)hdl;
unsigned char buffer[cmdlen + 1];
unsigned char buffer[GCN64_HID_DATA_REPORT_SIZE+1];
int n;
if (cmdlen > (sizeof(buffer)-1)) {
fprintf(stderr, "Error: Command too long\n");
return -1;
}
memset(buffer, 0, sizeof(buffer));
buffer[0] = 0x00; // report ID set to 0 (device has only one)
memcpy(buffer + 1, cmd, cmdlen);
n = hid_send_feature_report(hdev, buffer, cmdlen+1);
n = hid_send_feature_report(hdev, buffer, sizeof(buffer));
if (n < 0) {
fprintf(stderr, "Could not send feature report (%ls)\n", hid_error(hdev));
return -1;
@ -214,14 +221,14 @@ int gcn64_send_cmd(gcn64_hdl_t hdl, const unsigned char *cmd, int cmdlen)
int gcn64_poll_result(gcn64_hdl_t hdl, unsigned char *cmd, int cmd_maxlen)
{
hid_device *hdev = (hid_device*)hdl;
unsigned char buffer[cmd_maxlen + 1];
unsigned char buffer[GCN64_HID_DATA_REPORT_SIZE+1];
int res_len;
int n;
memset(buffer, 0, cmd_maxlen + 1);
memset(buffer, 0, sizeof(buffer));
buffer[0] = 0x00; // report ID set to 0 (device has only one)
n = hid_get_feature_report(hdev, buffer, cmd_maxlen+1);
n = hid_get_feature_report(hdev, buffer, sizeof(buffer));
if (n < 0) {
fprintf(stderr, "Could not send feature report (%ls)\n", hid_error(hdev));
return -1;
@ -231,8 +238,15 @@ int gcn64_poll_result(gcn64_hdl_t hdl, unsigned char *cmd, int cmd_maxlen)
}
res_len = n-1;
if (res_len>0)
memcpy(cmd, buffer+1, res_len);
if (res_len>0) {
int copy_len;
copy_len = res_len;
if (copy_len > cmd_maxlen) {
copy_len = cmd_maxlen;
}
memcpy(cmd, buffer+1, copy_len);
}
return res_len;
}