102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*************************************************************************
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* Copyright (C) 2019 by Justin Byers
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*
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* This file is part of clubdance_v2.
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*
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* clubdance_v2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* clubdance_v2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with clubdance_v2. If not, see <https://www.gnu.org/licenses/>.
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*************************************************************************/
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/**
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* @file dancepad.c
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* @author Justin Byers
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* @date 6 Aug 2019
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* @brief Processes pad inputs and communicates with USB host.
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*/
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#include "dancepad.h"
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#include "usb.h"
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#include "usb_device_hid.h"
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#include "padhal.h"
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typedef union _INTPUT_CONTROLS_TYPEDEF
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{
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struct
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{
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struct
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{
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uint8_t square:1;
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uint8_t x:1;
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uint8_t o:1;
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uint8_t triangle:1;
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uint8_t L1:1;
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uint8_t R1:1;
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uint8_t L2:1;
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uint8_t R2:1;//
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uint8_t select:1;
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uint8_t start:1;
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uint8_t left_stick:1;
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uint8_t right_stick:1;
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uint8_t home:1;
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uint8_t :3; //filler
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} buttons;
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struct
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{
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uint8_t hat_switch:4;
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uint8_t :4;//filler
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} hat_switch;
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struct
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{
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uint8_t X;
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uint8_t Y;
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uint8_t Z;
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uint8_t Rz;
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} analog_stick;
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} members;
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uint8_t val[7];
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} INPUT_CONTROLS;
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// USB data must exist within the USB RAM memory space
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INPUT_CONTROLS joystick_input __at(0x500);
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// handle to the last data transmission - allows us to check if it completed
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USB_VOLATILE USB_HANDLE lastTransmission = 0;
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void DANCEPAD_Initialize()
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{
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lastTransmission = 0;
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//enable the HID endpoint
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USBEnableEndpoint(JOYSTICK_EP, USB_IN_ENABLED | USB_HANDSHAKE_ENABLED | USB_DISALLOW_SETUP);
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}
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void DANCEPAD_Tasks()
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{
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// do not start another transmission if the previous one isn't completed
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if(HIDTxHandleBusy(lastTransmission))
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return;
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/*
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* populate & send a HID report to the host
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*/
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//Buttons
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joystick_input.val[0] = PADHAL_GetButtons();
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joystick_input.val[1] = 0x00;
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//Hat switch
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joystick_input.val[2] = 0x08;
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//Analog sticks
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joystick_input.val[3] = 0x80;
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joystick_input.val[4] = 0x80;
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joystick_input.val[5] = 0x80;
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joystick_input.val[6] = 0x80;
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//Send the 8 byte packet over USB to the host.
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lastTransmission = HIDTxPacket(JOYSTICK_EP, (uint8_t*)&joystick_input, sizeof(joystick_input));
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}
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