86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
#include "hidjoystickrptparser.h"
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JoystickReportParser::JoystickReportParser(JoystickEvents *evt) :
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joyEvents(evt),
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oldHat(0xDE),
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oldButtons(0) {
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for (uint8_t i = 0; i < RPT_GEMEPAD_LEN; i++)
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oldPad[i] = 0xD;
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}
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void JoystickReportParser::Parse(USBHID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
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bool match = true;
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// Checking if there are changes in report since the method was last called
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for (uint8_t i = 0; i < RPT_GEMEPAD_LEN; i++)
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if (buf[i] != oldPad[i]) {
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match = false;
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break;
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}
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// Calling Game Pad event handler
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if (!match && joyEvents) {
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joyEvents->OnGamePadChanged((const GamePadEventData*)buf);
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for (uint8_t i = 0; i < RPT_GEMEPAD_LEN; i++) oldPad[i] = buf[i];
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}
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uint8_t hat = (buf[5] & 0xF);
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// Calling Hat Switch event handler
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if (hat != oldHat && joyEvents) {
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joyEvents->OnHatSwitch(hat);
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oldHat = hat;
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}
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uint16_t buttons = (0x0000 | buf[6]);
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buttons <<= 4;
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buttons |= (buf[5] >> 4);
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uint16_t changes = (buttons ^ oldButtons);
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// Calling Button Event Handler for every button changed
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if (changes) {
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for (uint8_t i = 0; i < 0x0C; i++) {
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uint16_t mask = (0x0001 << i);
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if (((mask & changes) > 0) && joyEvents) {
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if ((buttons & mask) > 0)
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joyEvents->OnButtonDn(i + 1);
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else
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joyEvents->OnButtonUp(i + 1);
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}
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}
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oldButtons = buttons;
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}
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}
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void JoystickEvents::OnGamePadChanged(const GamePadEventData *evt) {
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Serial.print("X1: ");
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PrintHex<uint8_t > (evt->X, 0x80);
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Serial.print("\tY1: ");
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PrintHex<uint8_t > (evt->Y, 0x80);
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Serial.print("\tX2: ");
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PrintHex<uint8_t > (evt->Z1, 0x80);
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Serial.print("\tY2: ");
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PrintHex<uint8_t > (evt->Z2, 0x80);
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Serial.print("\tRz: ");
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PrintHex<uint8_t > (evt->Rz, 0x80);
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Serial.println("");
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}
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void JoystickEvents::OnHatSwitch(uint8_t hat) {
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Serial.print("Hat Switch: ");
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PrintHex<uint8_t > (hat, 0x80);
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Serial.println("");
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}
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void JoystickEvents::OnButtonUp(uint8_t but_id) {
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Serial.print("Up: ");
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Serial.println(but_id, DEC);
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}
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void JoystickEvents::OnButtonDn(uint8_t but_id) {
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Serial.print("Dn: ");
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Serial.println(but_id, DEC);
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}
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