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author | fauxpark <fauxpark@gmail.com> | 2020-02-06 11:30:45 +1100 |
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committer | skullydazed <skullydazed@users.noreply.github.com> | 2020-02-08 11:07:43 -0800 |
commit | 174a15d07d7321e762e51584e985bb73fe01e99b (patch) | |
tree | e82a473ffb704cf806c64fd45453a6d5d6eba4f6 /tmk_core/protocol/pjrc/usb_debug.c | |
parent | 5ab0eeb513f50a14e51467bf76a19997b75d65fb (diff) | |
download | firmware-174a15d07d7321e762e51584e985bb73fe01e99b.tar.gz firmware-174a15d07d7321e762e51584e985bb73fe01e99b.tar.bz2 firmware-174a15d07d7321e762e51584e985bb73fe01e99b.zip |
Remove PJRC USB stack
Diffstat (limited to 'tmk_core/protocol/pjrc/usb_debug.c')
-rw-r--r-- | tmk_core/protocol/pjrc/usb_debug.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/tmk_core/protocol/pjrc/usb_debug.c b/tmk_core/protocol/pjrc/usb_debug.c deleted file mode 100644 index 7e78d96c3..000000000 --- a/tmk_core/protocol/pjrc/usb_debug.c +++ /dev/null @@ -1,98 +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; -} |