/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2013 PJRC.COM, LLC.
+ * Modifications by Jacob Alexander 2013-2015
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
- * 1. The above copyright notice and this permission notice shall be
+ * 1. The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
- * 2. If the Software is incorporated into a build system that allows
+ * 2. If the Software is incorporated into a build system that allows
* selection among a list of target devices, then similar target
* devices manufactured by PJRC.COM must be included in the list of
* target devices and selectable in the same manner.
* SOFTWARE.
*/
+// ----- Includes -----
+
+// Compiler Includes
+#include <string.h> // for memcpy()
+
+// Project Includes
+#include <Lib/OutputLib.h>
+#include <print.h>
+
+// Local Includes
#include "usb_dev.h"
#include "usb_keyboard.h"
-#include <Lib/USBLib.h>
-#include <string.h> // for memcpy()
+
+// ----- Defines -----
+
// Maximum number of transmit packets to queue so we don't starve other endpoints for memory
#define TX_PACKET_LIMIT 4
-static uint8_t transmit_previous_timeout=0;
-
// When the PC isn't listening, how long do we wait before discarding data?
#define TX_TIMEOUT_MSEC 50
-#if F_CPU == 96000000
- #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 596)
+#if F_CPU == 168000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 1100)
+#elif F_CPU == 144000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 932)
+#elif F_CPU == 120000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 764)
+#elif F_CPU == 96000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 596)
+#elif F_CPU == 72000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 512)
#elif F_CPU == 48000000
- #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 428)
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 428)
#elif F_CPU == 24000000
- #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 262)
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 262)
#endif
+
+// ----- Variables -----
+
+static uint8_t transmit_previous_timeout = 0;
+
+
+
+// ----- Functions -----
+
// send the contents of keyboard_keys and keyboard_modifier_keys
-int usb_keyboard_send(void)
+void usb_keyboard_send()
{
- uint32_t wait_count=0;
+ uint32_t wait_count = 0;
usb_packet_t *tx_packet;
- while (1) {
- if (!usb_configuration) {
- return -1;
+ // Wait till ready
+ while ( 1 )
+ {
+ if ( !usb_configuration )
+ {
+ erro_print("USB not configured...");
+ return;
+ }
+
+ if ( USBKeys_Protocol == 0 ) // Boot Mode
+ {
+ if ( usb_tx_packet_count( KEYBOARD_ENDPOINT ) < TX_PACKET_LIMIT )
+ {
+ tx_packet = usb_malloc();
+ if ( tx_packet )
+ break;
+ }
+ }
+ else if ( USBKeys_Protocol == 1 ) // NKRO Mode
+ {
+ if ( usb_tx_packet_count( NKRO_KEYBOARD_ENDPOINT ) < TX_PACKET_LIMIT )
+ {
+ tx_packet = usb_malloc();
+ if ( tx_packet )
+ break;
+ }
}
- if (usb_tx_packet_count(KEYBOARD_ENDPOINT) < TX_PACKET_LIMIT) {
- tx_packet = usb_malloc();
- if (tx_packet) break;
+ else if ( USBKeys_Changed &
+ ( USBKeyChangeState_System | USBKeyChangeState_Consumer )
+ )
+ {
+ if ( usb_tx_packet_count( SYS_CTRL_ENDPOINT ) < TX_PACKET_LIMIT )
+ {
+ tx_packet = usb_malloc();
+ if ( tx_packet )
+ break;
+ }
}
- if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
+
+ if ( ++wait_count > TX_TIMEOUT || transmit_previous_timeout )
+ {
transmit_previous_timeout = 1;
- return -1;
+ warn_print("USB Transmit Timeout...");
+ return;
}
yield();
}
- *(tx_packet->buf) = USBKeys_Modifiers;
- *(tx_packet->buf + 1) = 0;
- memcpy(tx_packet->buf + 2, USBKeys_Array, USB_MAX_KEY_SEND);
- tx_packet->len = 8;
- usb_tx(KEYBOARD_ENDPOINT, tx_packet);
- return 0;
+ // Pointer to USB tx packet buffer
+ uint8_t *tx_buf = tx_packet->buf;
+
+ // Check system control keys
+ if ( USBKeys_Changed & USBKeyChangeState_System )
+ {
+ if ( Output_DebugMode )
+ {
+ print("SysCtrl[");
+ printHex_op( USBKeys_SysCtrl, 2 );
+ print( "] " NL );
+ }
+
+ *tx_buf++ = 0x02; // ID
+ *tx_buf = USBKeys_SysCtrl;
+ tx_packet->len = 2;
+
+ // Send USB Packet
+ usb_tx( SYS_CTRL_ENDPOINT, tx_packet );
+ USBKeys_Changed &= ~USBKeyChangeState_System; // Mark sent
+ return;
+ }
+
+ // Check consumer control keys
+ if ( USBKeys_Changed & USBKeyChangeState_Consumer )
+ {
+ if ( Output_DebugMode )
+ {
+ print("ConsCtrl[");
+ printHex_op( USBKeys_ConsCtrl, 2 );
+ print( "] " NL );
+ }
+
+ *tx_buf++ = 0x03; // ID
+ *tx_buf++ = (uint8_t)(USBKeys_ConsCtrl & 0x00FF);
+ *tx_buf = (uint8_t)(USBKeys_ConsCtrl >> 8);
+ tx_packet->len = 3;
+
+ // Send USB Packet
+ usb_tx( SYS_CTRL_ENDPOINT, tx_packet );
+ USBKeys_Changed &= ~USBKeyChangeState_Consumer; // Mark sent
+ return;
+ }
+
+ switch ( USBKeys_Protocol )
+ {
+ // Send boot keyboard interrupt packet(s)
+ case 0:
+ // USB Boot Mode debug output
+ if ( Output_DebugMode )
+ {
+ dbug_msg("Boot USB: ");
+ printHex_op( USBKeys_Modifiers, 2 );
+ print(" ");
+ printHex( 0 );
+ print(" ");
+ printHex_op( USBKeys_Keys[0], 2 );
+ printHex_op( USBKeys_Keys[1], 2 );
+ printHex_op( USBKeys_Keys[2], 2 );
+ printHex_op( USBKeys_Keys[3], 2 );
+ printHex_op( USBKeys_Keys[4], 2 );
+ printHex_op( USBKeys_Keys[5], 2 );
+ print( NL );
+ }
+
+ // Boot Mode
+ *tx_buf++ = USBKeys_Modifiers;
+ *tx_buf++ = 0;
+ memcpy( tx_buf, USBKeys_Keys, USB_BOOT_MAX_KEYS );
+ tx_packet->len = 8;
+
+ // Send USB Packet
+ usb_tx( KEYBOARD_ENDPOINT, tx_packet );
+ USBKeys_Changed = USBKeyChangeState_None;
+ break;
+
+ // Send NKRO keyboard interrupts packet(s)
+ case 1:
+ if ( Output_DebugMode )
+ {
+ dbug_msg("NKRO USB: ");
+ }
+
+ // Standard HID Keyboard
+ if ( USBKeys_Changed )
+ {
+ // USB NKRO Debug output
+ if ( Output_DebugMode )
+ {
+ printHex_op( USBKeys_Modifiers, 2 );
+ print(" ");
+ for ( uint8_t c = 0; c < 6; c++ )
+ printHex_op( USBKeys_Keys[ c ], 2 );
+ print(" ");
+ for ( uint8_t c = 6; c < 20; c++ )
+ printHex_op( USBKeys_Keys[ c ], 2 );
+ print(" ");
+ printHex_op( USBKeys_Keys[20], 2 );
+ print(" ");
+ for ( uint8_t c = 21; c < 27; c++ )
+ printHex_op( USBKeys_Keys[ c ], 2 );
+ print( NL );
+ }
+
+ tx_packet->len = 0;
+
+ // Modifiers
+ *tx_buf++ = 0x01; // ID
+ *tx_buf++ = USBKeys_Modifiers;
+ tx_packet->len += 2;
+
+ // 4-49 (first 6 bytes)
+ memcpy( tx_buf, USBKeys_Keys, 6 );
+ tx_buf += 6;
+ tx_packet->len += 6;
+
+ // 51-155 (Middle 14 bytes)
+ memcpy( tx_buf, USBKeys_Keys + 6, 14 );
+ tx_buf += 14;
+ tx_packet->len += 14;
+
+ // 157-164 (Next byte)
+ memcpy( tx_buf, USBKeys_Keys + 20, 1 );
+ tx_buf += 1;
+ tx_packet->len += 1;
+
+ // 176-221 (last 6 bytes)
+ memcpy( tx_buf, USBKeys_Keys + 21, 6 );
+ tx_packet->len += 6;
+
+ // Send USB Packet
+ usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
+ USBKeys_Changed = USBKeyChangeState_None; // Mark sent
+ }
+
+ break;
+ }
+
+ return;
}
projects / kiibohd-controller.git / blobdiff