From a783671c72aa4b9fde5bf7a2af3bf11a7c876191 Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Wed, 6 Feb 2013 20:56:51 +0000 Subject: moved keystore and usb/serial to seperate files stdio_ptr might need some improvement git-svn-id: https://svn.spreadspace.org/avr/trunk@134 aa12f405-d877-488e-9caf-2d797e2a1cc7 --- usb-i2c-sl018/usb_serial.c | 126 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 usb-i2c-sl018/usb_serial.c (limited to 'usb-i2c-sl018/usb_serial.c') diff --git a/usb-i2c-sl018/usb_serial.c b/usb-i2c-sl018/usb_serial.c new file mode 100644 index 0000000..3dd79e1 --- /dev/null +++ b/usb-i2c-sl018/usb_serial.c @@ -0,0 +1,126 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2013 Christian Pointner + * Othmar Gsenger + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils 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 + * any later version. + * + * spreadspace avr utils 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 spreadspace avr utils. If not, see . + */ + +#include "usb_serial.h" +#include +#include "lufa-descriptor-usbserial.h" +#include "LUFA/Drivers/Peripheral/Serial.h" + +FILE usb_stream; +FILE serial_stream; +FILE * stdio = &serial_stream; + +FILE * * usb_serial_get_stdio_ptr(void) +{ + return &stdio; +} + + +/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = + { + .Config = + { + .ControlInterfaceNumber = 0, + + .DataINEndpointNumber = CDC_TX_EPNUM, + .DataINEndpointSize = CDC_TXRX_EPSIZE, + .DataINEndpointDoubleBank = false, + + .DataOUTEndpointNumber = CDC_RX_EPNUM, + .DataOUTEndpointSize = CDC_TXRX_EPSIZE, + .DataOUTEndpointDoubleBank = false, + + .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, + .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, + .NotificationEndpointDoubleBank = false, + }, + }; + + +void usb_serial_init() +{ + USB_Init(); + Serial_Init(115200,false); + Serial_CreateStream(&serial_stream); + CDC_Device_CreateStream(&VirtualSerial_CDC_Interface,&usb_stream); +} + +void usb_serial_task(void) +{ + CDC_Device_USBTask(&VirtualSerial_CDC_Interface); + USB_USBTask(); +} + +void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) +{ + if(CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) + stdio = &usb_stream; + else + stdio = &serial_stream; +} + +void EVENT_USB_Device_Disconnect(void) +{ + stdio = &serial_stream; +} +/* end LUFA CDC-ACM specific definitions*/ + +int16_t stdio_bytes_received(void) +{ + if(stdio == &usb_stream) + return CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); + else + return (int16_t)Serial_IsCharReceived(); +} + +void EVENT_USB_Device_ConfigurationChanged(void) +{ + CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); +} + +void EVENT_USB_Device_ControlRequest(void) +{ + CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); +} + + +/* end LUFA CDC-ACM specific definitions*/ + + + +int16_t usb_serial_bytes_received(void) +{ + if(stdio == &usb_stream) + return CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); + else + return (int16_t)Serial_IsCharReceived(); +} + -- cgit v1.2.3