154 lines
2.9 KiB
C++
154 lines
2.9 KiB
C++
#include "hidjoystickrptparser.h"
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JoystickReportParser::JoystickReportParser(JoystickEvents *evt) :
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joyEvents(evt),
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oldButtons(0)
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{
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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(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf)
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{
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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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{
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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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{
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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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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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{
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// for (uint8_t i=0; i<0x0C; i++) // 12 buttons 0x0C == 12
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for (uint8_t i=0; i<0x0F; i++) // up to 16 buttons
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{
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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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oldButtons = buttons;
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}
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}
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void JoystickEvents::OnGamePadChanged(const GamePadEventData *evt)
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{
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// got to find a better way to make an array from this structured vars
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axes[0] = evt->axis0;
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axes[1] = evt->axis1;
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axes[2] = evt->axis2;
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axes[3] = evt->axis3;
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axes[4] = evt->axis4;
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if(initialized) {
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for(int i =0; i<5 ; i++ ){
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if (axes[i] < axesMin[i] ) {
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axesMin[i] = axes[i];
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}
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if (axes[i] > axesMax[i]) {
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axesMax[i] = axes[i];
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}
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axesDelta[i] = axesMax[i] - axesMin[i];
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}
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for(int j =0; j<5 ; j++ ){
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if(axesDelta[j] > 0) {
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X = axes[j];
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Y = axes[j+1];
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break;
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}
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}
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} else {
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for(int i =0; i<5 ; i++ ){
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axesMin[i] = axes[i];
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axesMax[i] = axes[i];
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}
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initialized = true;
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// don't bother with the first set of data, as joystick initializes.
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}
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Serial.print(X);
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Serial.print(" ");
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Serial.println(Y);
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/*
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keep track of axes 0 - 4 (5 axes)
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min and max values. max-min = range
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first axis with range, and first +1 are X and Y
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*/
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}
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void JoystickEvents::OnButtonUp(uint8_t but_id)
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{
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Serial.print("Up: ");
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Serial.println(but_id);
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if(but_id % 2 == 0) { // all even numbered buttons = button 0
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Butt0 = false;
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}
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if(but_id % 2 == 1) { // all odd buttons = button 1
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Butt1 = false;
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}
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}
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void JoystickEvents::OnButtonDn(uint8_t but_id)
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{
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Serial.print("Dn: ");
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Serial.println(but_id);
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if(but_id % 2 == 0) { // all even numbered buttons = button 0
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Butt0 = true;
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}
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if(but_id % 2 == 1) { // all odd buttons = button 1
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Butt1 = true;
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}
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}
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