/**
* Function to send to device, get response, and actually check the response
*/
struct razer_report razer_send_payload(struct usb_device *usb_dev, struct razer_report *request_report)
{
int retval = -1;
struct razer_report response_report = {0};
request_report->crc = razer_calculate_crc(request_report);
retval = razer_get_report(usb_dev, request_report, &response_report);
if(retval == 0) {
// Check the packet number, class and command are the same
if(response_report.remaining_packets != request_report->remaining_packets ||
response_report.command_class != request_report->command_class ||
response_report.command_id.id != request_report->command_id.id) {
print_erroneous_report(&response_report, "razermousemat", "Response doesn't match request");
// } else if (response_report.status == RAZER_CMD_BUSY) {
// print_erroneous_report(&response_report, "razermousemat", "Device is busy");
} else if (response_report.status == RAZER_CMD_FAILURE) {
print_erroneous_report(&response_report, "razermousemat", "Command failed");
} else if (response_report.status == RAZER_CMD_NOT_SUPPORTED) {
print_erroneous_report(&response_report, "razermousemat", "Command not supported");
} else if (response_report.status == RAZER_CMD_TIMEOUT) {
print_erroneous_report(&response_report, "razermousemat", "Command timed out");
}
} else {
print_erroneous_report(&response_report, "razermousemat", "Invalid Report Length");
}
return response_report;
}
/**
* Get the devices serial number
*
* Makes a request like normal, this must change a variable in the mouse as then we
* tell it give us data (same request for get_battery in the mouse driver) and it
* gives us a report.
*
* Supported Devices:
* Razer Chroma
* Razer BlackWidow Ultimate 2013*
*
* *Untested but should work
*/
void razer_get_serial(struct usb_device *usb_dev, unsigned char* serial_string)
{
struct razer_report response_report;
struct razer_report request_report;
int retval;
int i;
razer_prepare_report(&request_report);
request_report.parameter_bytes_num = 0x16;
request_report.reserved2 = 0x00;
request_report.command = 0x82;
request_report.sub_command = 0x00;
request_report.command_parameters[0] = 0x00;
request_report.crc = razer_calculate_crc(&request_report);
retval = razer_get_usb_response(usb_dev, 0x01, &request_report, 0x01, &response_report, RAZER_BLACKWIDOW_CHROMA_WAIT_MIN_US, RAZER_BLACKWIDOW_CHROMA_WAIT_MAX_US);
if(retval == 0)
{
if(response_report.report_start_marker == 0x02 && response_report.reserved2 == 0x00 && response_report.command == 0x82)
{
unsigned char* pointer = &response_report.sub_command;
for(i = 0; i < 20; ++i)
{
serial_string[i] = *pointer;
++pointer;
}
} else
{
print_erroneous_report(&response_report, "razerkbd", "Invalid Report Type");
}
} else
{
print_erroneous_report(&response_report, "razerkbd", "Invalid Report Length");
}
}