Remove core library and build files

[qmk_firmware.git] / protocol / pjrc / usb_debug.c

diff --git a/protocol/pjrc/usb_debug.c b/protocol/pjrc/usb_debug.c
deleted file mode 100644 (file)
index c1e6f65..0000000
--- a/protocol/pjrc/usb_debug.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
- * http://www.pjrc.com/teensy/usb_keyboard.html
- * Copyright (c) 2009 PJRC.COM, LLC
- *
- * 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.
- */
-
-#include <avr/interrupt.h>
-#include "sendchar.h"
-#include "usb_debug.h"
-
-
-// the time remaining before we transmit any partially full
-// packet, or send a zero length packet.
-volatile uint8_t debug_flush_timer=0;
-
-
-int8_t sendchar(uint8_t c)
-{
-       static uint8_t previous_timeout=0;
-       uint8_t timeout, intr_state;
-
-       // if we're not online (enumerated and configured), error
-       if (!usb_configured()) return -1;
-       // interrupts are disabled so these functions can be
-       // used from the main program or interrupt context,
-       // even both in the same program!
-       intr_state = SREG;
-       cli();
-       UENUM = DEBUG_TX_ENDPOINT;
-       // if we gave up due to timeout before, don't wait again
-       if (previous_timeout) {
-               if (!(UEINTX & (1<<RWAL))) {
-                       SREG = intr_state;
-                       return -1;
-               }
-               previous_timeout = 0;
-       }
-       // wait for the FIFO to be ready to accept data
-       timeout = UDFNUML + 4;
-       while (1) {
-               // are we ready to transmit?
-               if (UEINTX & (1<<RWAL)) break;
-               SREG = intr_state;
-               // have we waited too long?
-               if (UDFNUML == timeout) {
-                       previous_timeout = 1;
-                       return -1;
-               }
-               // has the USB gone offline?
-               if (!usb_configured()) return -1;
-               // get ready to try checking again
-               intr_state = SREG;
-               cli();
-               UENUM = DEBUG_TX_ENDPOINT;
-       }
-       // actually write the byte into the FIFO
-       UEDATX = c;
-       // if this completed a packet, transmit it now!
-       if (!(UEINTX & (1<<RWAL))) {
-               UEINTX = 0x3A;
-               debug_flush_timer = 0;
-       } else {
-               debug_flush_timer = 2;
-       }
-       SREG = intr_state;
-       return 0;
-}
-
-// immediately transmit any buffered output.
-void usb_debug_flush_output(void)
-{
-       uint8_t intr_state;
-
-       intr_state = SREG;
-       cli();
-       if (debug_flush_timer) {
-               UENUM = DEBUG_TX_ENDPOINT;
-               while ((UEINTX & (1<<RWAL))) {
-                       UEDATX = 0;
-               }
-               UEINTX = 0x3A;
-               debug_flush_timer = 0;
-       }
-       SREG = intr_state;
-}