/* main.c */ /* dev2 - Multi-purpose development board using USB and Ethernet. {{{ * * Copyright (C) 2009 Nicolas Schodet * * APBTeam: * Web: http://apbteam.org/ * Email: team AT apbteam DOT org * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * }}} */ #include "common.h" #include "modules/usb/usb.h" #include "modules/isp/isp_frame.h" #include "io.h" #include #include "descriptors.h" #include "common/serial.h" #include "common/usb_isp.h" #include "common/select.h" HANDLES_EVENT (USB_Connect); HANDLES_EVENT (USB_Disconnect); HANDLES_EVENT (USB_ConfigurationChanged); HANDLES_EVENT (USB_UnhandledControlPacket); volatile uint8_t usb_connected, usb_configured; int main (void) { /* Disable watchdog if enabled by bootloader/fuses. */ MCUSR &= ~(1 << WDRF); wdt_disable (); /* Disable Clock Division. */ SetSystemClockPrescaler (0); /* Initialise hardware. */ select_init (); /* Initialize USB Subsystem. */ USB_Init (); /* Main loop. */ while (1) { if (usb_connected) USB_USBTask (); if (usb_configured) { serial_task (); usb_isp_task (); } } } EVENT_HANDLER (USB_Connect) { usb_connected = 1; } EVENT_HANDLER (USB_Disconnect) { usb_connected = 0; usb_configured = 0; } EVENT_HANDLER (USB_ConfigurationChanged) { /* Setup Rx and Tx Endpoints for the first port. */ Endpoint_ConfigureEndpoint (SERIAL_TX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN, SERIAL_TX_EPSIZE, ENDPOINT_BANK_SINGLE); Endpoint_ConfigureEndpoint (SERIAL_RX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT, SERIAL_RX_EPSIZE, ENDPOINT_BANK_SINGLE); /* Setup Rx and Tx Endpoints for the second port. */ Endpoint_ConfigureEndpoint (ISP_TX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN, ISP_TX_EPSIZE, ENDPOINT_BANK_SINGLE); Endpoint_ConfigureEndpoint (ISP_RX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT, ISP_RX_EPSIZE, ENDPOINT_BANK_SINGLE); /* Start tasks. */ usb_configured = 1; } EVENT_HANDLER (USB_UnhandledControlPacket) { /* Process TS specific control requests. */ switch (bRequest) { /* Switch back to DFU mode. */ case 0: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE)) { Endpoint_ClearSetupReceived (); /* Send acknowledgement and wait for it to be sent. */ Endpoint_ClearSetupIN (); while (!Endpoint_IsSetupINReady ()) ; USB_ShutDown (); /* Jump to bootloader. */ ((void (*) (void)) 0x3000) (); } break; /* Select output. */ case 1: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE)) { /* Selector parameter. */ uint8_t output = Endpoint_Read_Byte (); Endpoint_ClearSetupReceived (); /* Select output. */ serial_uninit (); select_out (output); if (select_active (output)) serial_init (); /* Send acknowledgement. */ Endpoint_ClearSetupIN (); } break; } }