diff options
Diffstat (limited to 'src/wiring/comm/HardwareUsb.cpp')
-rw-r--r-- | src/wiring/comm/HardwareUsb.cpp | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/wiring/comm/HardwareUsb.cpp b/src/wiring/comm/HardwareUsb.cpp deleted file mode 100644 index 269a68f..0000000 --- a/src/wiring/comm/HardwareUsb.cpp +++ /dev/null @@ -1,96 +0,0 @@ -/* ***************************************************************************** - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * ****************************************************************************/ - -/** - * @file HardwareUsb.cpp - * - * @brief Wiring like serial api to USB virtual COM - */ - -#include "wiring.h" -#include "HardwareUsb.h" -#include "bootVect.h" -#include "usb.h" - -HardwareUsb::HardwareUsb(void) { - mapleVectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE); - mapleVectTable->serial_tx_cb = usb_tx_cb; - mapleVectTable->serial_rx_cb = usb_rx_cb; - mapleVectTable->usb_local_obj_ptr = this; - rx_buffer_offset_in = 0; - rx_buffer_offset_out = 0; -} - -uint8_t HardwareUsb::read(void) { - uint8_t outVal = rx_buffer[rx_buffer_offset_out++]; - -#if 1 - if (rx_buffer_offset_out == rx_buffer_offset_in) { - flush(); - } -#endif - - return outVal; -} - -uint8_t HardwareUsb::available(void) { - ASSERT(rx_buffer_offset_out >= 0); - // return rx_buffer_offset+1; - // return usb_serialGetRecvLen(); - return rx_buffer_offset_in - rx_buffer_offset_out; -} - -void HardwareUsb::flush(void) { - rx_buffer_offset_in = 0; - rx_buffer_offset_out = 0; -} - -void HardwareUsb::write(unsigned char ch) { - usb_serialWriteChar(ch); -} - -void HardwareUsb::begin(void) { - /* placeholder for usb<->uart linking */ -} - -void HardwareUsb::usb_rx_cb(void) { - BootVectTable *vectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE); - HardwareUsb *thisPtr = (HardwareUsb*) vectTable->usb_local_obj_ptr; - - uint8_t numBytes = usb_serialGetRecvLen(); - -#if 0 - /* ONE-SHOT-TO-READ Version (buffer cleared on next recv interrupt */ - usb_copyRecvBuffer(thisPtr->rx_buffer,numBytes); - thisPtr->rx_buffer_offset_in = numBytes; - thisPtr->rx_buffer_offset_out = 0; -#else - /* FIFO DISCARD OVERFLOW VERSION */ - if ((thisPtr->rx_buffer_offset_in + numBytes) > (USB_SERIAL_BUF_SIZE)) { - numBytes = USB_SERIAL_BUF_SIZE - thisPtr->rx_buffer_offset_in; - } - - if (numBytes > 0) { - ASSERT(thisPtr->rx_buffer_offset_in <= USB_SERIAL_BUF_SIZE); - usb_copyRecvBuffer(&(thisPtr->rx_buffer[thisPtr->rx_buffer_offset_in]),numBytes); - thisPtr->rx_buffer_offset_in += numBytes; - } -#endif -} - -void HardwareUsb::usb_tx_cb(void) { - /* placeholder for when serial dumps exceed buflen */ -} |