USB_Host_Shield_2.0/PSBuzz.cpp at master · felis/USB_Host_Shield_2.0 · GitHub

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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(USBHID *hid __attribute__((unused)), bool is_rpt_id __attribute__((unused)), uint8_t len, uint8_t *buf) {

if (HIDUniversal::VID == PSBUZZ_VID && HIDUniversal::PID == PSBUZZ_PID && len > 2 && 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((uint8_t)(len - 2), MFK_CASTUINT8T 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;

};

int8_t PSBuzz::getButtonIndexBuzz(ButtonEnum b) {

const int8_t index = ButtonIndex(b);

if (index > 4) return -1; // 5 buttons, 0-4 inclusive

return index;

}

bool PSBuzz::getButtonPress(ButtonEnum b, uint8_t controller) {

const int8_t index = getButtonIndexBuzz(b); if (index < 0) return 0;

return psbuzzButtons.val & (1UL << (index + 5 * controller)); // Each controller uses 5 bits, so the value is shifted 5 for each controller

};

bool PSBuzz::getButtonClick(ButtonEnum b, uint8_t controller) {

const int8_t index = getButtonIndexBuzz(b); if (index < 0) return 0;

uint32_t mask = (1UL << (index + 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);

};

USB_Host_Shield_2.0/PSBuzz.cpp at master · felis/USB_Host_Shield_2.0 · GitHub

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