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controller/Output/pjrcUSB/output_com.h

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/* Copyright (C) 2013-2016 by Jacob Alexander
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
// ----- Includes -----
// Compiler Includes
#include <stdint.h>
// Local Includes
#include <buildvars.h> // Defines USB Parameters, partially generated by CMake
// ----- Defines -----
// Max size of key buffer needed for NKRO
// Boot mode uses only the first 6 bytes
#define USB_NKRO_BITFIELD_SIZE_KEYS 27
#define USB_BOOT_MAX_KEYS 6
// ----- Enumerations -----
// USB NKRO state transitions (indicates which Report ID's need refreshing)
// Boot mode just checks if any keys were changed (as everything is sent every time)
typedef enum USBKeyChangeState {
USBKeyChangeState_None = 0x00,
USBKeyChangeState_Modifiers = 0x01,
USBKeyChangeState_MainKeys = 0x02,
USBKeyChangeState_SecondaryKeys = 0x04,
USBKeyChangeState_TertiaryKeys = 0x08,
USBKeyChangeState_QuartiaryKeys = 0x10,
USBKeyChangeState_System = 0x20,
USBKeyChangeState_Consumer = 0x40,
USBKeyChangeState_All = 0x7F,
} USBKeyChangeState;
// ----- Variables -----
// Variables used to communciate to the output module
// XXX Even if the output module is not USB, this is internally understood keymapping scheme
extern uint8_t USBKeys_Modifiers;
extern uint8_t USBKeys_Keys[USB_NKRO_BITFIELD_SIZE_KEYS];
extern uint8_t USBKeys_Sent;
extern volatile uint8_t USBKeys_LEDs;
extern uint8_t USBKeys_SysCtrl; // 1KRO container for System Control HID table
extern uint16_t USBKeys_ConsCtrl; // 1KRO container for Consumer Control HID table
extern volatile uint8_t USBKeys_Protocol; // 0 - Boot Mode, 1 - NKRO Mode
// Misc variables (XXX Some are only properly utilized using AVR)
extern uint8_t USBKeys_Idle_Config;
extern uint8_t USBKeys_Idle_Count;
extern USBKeyChangeState USBKeys_Changed;
extern volatile uint8_t Output_Available; // 0 - Output module not fully functional, 1 - Output module working
extern uint8_t Output_DebugMode; // 0 - Debug disabled, 1 - Debug enabled
extern uint16_t Output_ExtCurrent_Available; // mA - Set by outside module if not using USB (i.e. Interconnect)
// ----- Functions -----
void Output_setup();
void Output_send();
void Output_flushBuffers();
void Output_firmwareReload();
void Output_softReset();
// Relies on USB serial module
unsigned int Output_availablechar();
// Returns the total mA available (total, if used in a chain, each device will have to use a slice of it)
unsigned int Output_current_available();
void Output_update_external_current( unsigned int current );
void Output_update_usb_current( unsigned int current );
int Output_getchar();
int Output_putchar( char c );
int Output_putstr( char* str );