USB_Host_Shield_2.0/PSBuzz.cpp

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/* Copyright (C) 2014 Kristian Lauszus, TKJ Electronics. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Kristian Lauszus, TKJ Electronics
Web : http://www.tkjelectronics.com
e-mail : kristianl@tkjelectronics.com
*/
#include "PSBuzz.h"
// To enable serial debugging see "settings.h"
//#define PRINTREPORT // Uncomment to print the report send by the PS Buzz Controllers
void PSBuzz::ParseHIDData(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
if (HIDUniversal::VID == PSBUZZ_VID && HIDUniversal::PID == PSBUZZ_PID && len > 0 && buf) {
#ifdef PRINTREPORT
Notify(PSTR("\r\n"), 0x80);
for (uint8_t i = 0; i < len; i++) {
D_PrintHex<uint8_t > (buf[i], 0x80);
Notify(PSTR(" "), 0x80);
}
#endif
memcpy(&psbuzzButtons, buf + 2, min(len - 2, sizeof(psbuzzButtons)));
if (psbuzzButtons.val != oldButtonState.val) { // Check if anything has changed
buttonClickState.val = psbuzzButtons.val & ~oldButtonState.val; // Update click state variable
oldButtonState.val = psbuzzButtons.val;
}
}
};
uint8_t PSBuzz::OnInitSuccessful() {
if (HIDUniversal::VID == PSBUZZ_VID && HIDUniversal::PID == PSBUZZ_PID) {
Reset();
if (pFuncOnInit)
pFuncOnInit(); // Call the user function
else
setLedOnAll(); // Turn the LED on, on all four controllers
};
return 0;
};
bool PSBuzz::getButtonPress(ButtonEnum b, uint8_t controller) {
return psbuzzButtons.val & (1UL << (b + 5 * controller)); // Each controller uses 5 bits, so the value is shifted 5 for each controller
};
bool PSBuzz::getButtonClick(ButtonEnum b, uint8_t controller) {
uint32_t mask = (1UL << (b + 5 * controller)); // Each controller uses 5 bits, so the value is shifted 5 for each controller
bool click = buttonClickState.val & mask;
buttonClickState.val &= ~mask; // Clear "click" event
return click;
};
// Source: http://www.developerfusion.com/article/84338/making-usb-c-friendly/ and https://github.com/torvalds/linux/blob/master/drivers/hid/hid-sony.c
void PSBuzz::setLedRaw(bool value, uint8_t controller) {
ledState[controller] = value; // Save value for next time it is called
uint8_t buf[7];
buf[0] = 0x00;
buf[1] = ledState[0] ? 0xFF : 0x00;
buf[2] = ledState[1] ? 0xFF : 0x00;
buf[3] = ledState[2] ? 0xFF : 0x00;
buf[4] = ledState[3] ? 0xFF : 0x00;
buf[5] = 0x00;
buf[6] = 0x00;
PSBuzz_Command(buf, sizeof(buf));
};
void PSBuzz::PSBuzz_Command(uint8_t *data, uint16_t nbytes) {
// bmRequest = Host to device (0x00) | Class (0x20) | Interface (0x01) = 0x21, bRequest = Set Report (0x09), Report ID (0x00), Report Type (Output 0x02), interface (0x00), datalength, datalength, data)
pUsb->ctrlReq(bAddress, epInfo[0].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0x00, 0x02, 0x00, nbytes, nbytes, data, NULL);
};