diff --git a/firmware/hackrf_usb/Makefile b/firmware/hackrf_usb/Makefile index 3d2b4d53..20a97295 100644 --- a/firmware/hackrf_usb/Makefile +++ b/firmware/hackrf_usb/Makefile @@ -27,6 +27,7 @@ SRC = $(BINARY).c \ usb_request.c \ usb_standard_request.c \ usb_descriptor.c \ + usb_queue.c \ ../common/fault_handler.c \ ../common/hackrf_core.c \ ../common/sgpio.c \ diff --git a/firmware/hackrf_usb/hackrf_usb.c b/firmware/hackrf_usb/hackrf_usb.c index a175ea3d..439f88cf 100644 --- a/firmware/hackrf_usb/hackrf_usb.c +++ b/firmware/hackrf_usb/hackrf_usb.c @@ -39,6 +39,7 @@ #include "usb.h" #include "usb_type.h" +#include "usb_queue.h" #include "usb_request.h" #include "usb_descriptor.h" #include "usb_standard_request.h" diff --git a/firmware/hackrf_usb/usb.c b/firmware/hackrf_usb/usb.c index 02fb81c3..0487ef43 100644 --- a/firmware/hackrf_usb/usb.c +++ b/firmware/hackrf_usb/usb.c @@ -34,10 +34,8 @@ usb_device_t* usb_device_usb0 = 0; usb_queue_head_t usb_qh[12] ATTR_ALIGNED(2048); -usb_transfer_descriptor_t usb_td[12] ATTR_ALIGNED(64); #define USB_QH_INDEX(endpoint_address) (((endpoint_address & 0xF) * 2) + ((endpoint_address >> 7) & 1)) -#define USB_TD_INDEX(endpoint_address) (((endpoint_address & 0xF) * 2) + ((endpoint_address >> 7) & 1)) usb_queue_head_t* usb_queue_head( const uint_fast8_t endpoint_address @@ -45,12 +43,6 @@ usb_queue_head_t* usb_queue_head( return &usb_qh[USB_QH_INDEX(endpoint_address)]; } -usb_transfer_descriptor_t* usb_transfer_descriptor( - const uint_fast8_t endpoint_address -) { - return &usb_td[USB_TD_INDEX(endpoint_address)]; -} - static usb_endpoint_t* usb_endpoint_from_address( const uint_fast8_t endpoint_address ) { @@ -543,41 +535,6 @@ void usb_endpoint_init( usb_endpoint_enable(endpoint); } -void usb_endpoint_schedule( - const usb_endpoint_t* const endpoint, - void* const data, - const uint32_t maximum_length -) { - usb_transfer_descriptor_t* const td = usb_transfer_descriptor(endpoint->address); - - // Ensure that endpoint is ready to be primed. - // It may have been flushed due to an aborted transaction. - // TODO: This should be preceded by a flush? - while( usb_endpoint_is_ready(endpoint) ); - - // Configure a transfer. - td->next_dtd_pointer = USB_TD_NEXT_DTD_POINTER_TERMINATE; - td->total_bytes = - USB_TD_DTD_TOKEN_TOTAL_BYTES(maximum_length) - | USB_TD_DTD_TOKEN_IOC - | USB_TD_DTD_TOKEN_MULTO(0) - | USB_TD_DTD_TOKEN_STATUS_ACTIVE - ; - td->buffer_pointer_page[0] = (uint32_t)data; - td->buffer_pointer_page[1] = ((uint32_t)data + 0x1000) & 0xfffff000; - td->buffer_pointer_page[2] = ((uint32_t)data + 0x2000) & 0xfffff000; - td->buffer_pointer_page[3] = ((uint32_t)data + 0x3000) & 0xfffff000; - td->buffer_pointer_page[4] = ((uint32_t)data + 0x4000) & 0xfffff000; - - usb_endpoint_prime(endpoint, td); -} - -void usb_endpoint_schedule_ack( - const usb_endpoint_t* const endpoint -) { - usb_endpoint_schedule(endpoint, 0, 0); -} - static void usb_check_for_setup_events() { const uint32_t endptsetupstat = usb_get_endpoint_setup_status(); if( endptsetupstat ) { diff --git a/firmware/hackrf_usb/usb.h b/firmware/hackrf_usb/usb.h index 94372e0c..7d64f358 100644 --- a/firmware/hackrf_usb/usb.h +++ b/firmware/hackrf_usb/usb.h @@ -61,16 +61,6 @@ void usb_endpoint_init( const usb_endpoint_t* const endpoint ); -void usb_endpoint_schedule( - const usb_endpoint_t* const endpoint, - void* const data, - const uint32_t maximum_length -); - -void usb_endpoint_schedule_ack( - const usb_endpoint_t* const endpoint -); - void usb_endpoint_stall( const usb_endpoint_t* const endpoint ); diff --git a/firmware/hackrf_usb/usb_queue.c b/firmware/hackrf_usb/usb_queue.c new file mode 100644 index 00000000..8be95a22 --- /dev/null +++ b/firmware/hackrf_usb/usb_queue.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 Jared Boone + * Copyright 2013 Ben Gamari + * + * This file is part of HackRF. + * + * 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, 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; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#include +#include + +#include "usb.h" + +usb_transfer_descriptor_t usb_td[12] ATTR_ALIGNED(64); + +#define USB_TD_INDEX(endpoint_address) (((endpoint_address & 0xF) * 2) + ((endpoint_address >> 7) & 1)) + +usb_transfer_descriptor_t* usb_transfer_descriptor( + const uint_fast8_t endpoint_address +) { + return &usb_td[USB_TD_INDEX(endpoint_address)]; +} + +void usb_endpoint_schedule( + const usb_endpoint_t* const endpoint, + void* const data, + const uint32_t maximum_length +) { + usb_transfer_descriptor_t* const td = usb_transfer_descriptor(endpoint->address); + + // Ensure that endpoint is ready to be primed. + // It may have been flushed due to an aborted transaction. + // TODO: This should be preceded by a flush? + while( usb_endpoint_is_ready(endpoint) ); + + // Configure a transfer. + td->next_dtd_pointer = USB_TD_NEXT_DTD_POINTER_TERMINATE; + td->total_bytes = + USB_TD_DTD_TOKEN_TOTAL_BYTES(maximum_length) + | USB_TD_DTD_TOKEN_IOC + | USB_TD_DTD_TOKEN_MULTO(0) + | USB_TD_DTD_TOKEN_STATUS_ACTIVE + ; + td->buffer_pointer_page[0] = (uint32_t)data; + td->buffer_pointer_page[1] = ((uint32_t)data + 0x1000) & 0xfffff000; + td->buffer_pointer_page[2] = ((uint32_t)data + 0x2000) & 0xfffff000; + td->buffer_pointer_page[3] = ((uint32_t)data + 0x3000) & 0xfffff000; + td->buffer_pointer_page[4] = ((uint32_t)data + 0x4000) & 0xfffff000; + + usb_endpoint_prime(endpoint, td); +} + +void usb_endpoint_schedule_ack( + const usb_endpoint_t* const endpoint +) { + usb_endpoint_schedule(endpoint, 0, 0); +} diff --git a/firmware/hackrf_usb/usb_queue.h b/firmware/hackrf_usb/usb_queue.h new file mode 100644 index 00000000..f07b8146 --- /dev/null +++ b/firmware/hackrf_usb/usb_queue.h @@ -0,0 +1,46 @@ +/* + * Copyright 2012 Jared Boone + * Copyright 2013 Ben Gamari + * + * This file is part of HackRF. + * + * 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, 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; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __USB_QUEUE_H__ +#define __USB_QUEUE_H__ + +#include + +#include "usb_type.h" + +void usb_endpoint_schedule( + const usb_endpoint_t* const endpoint, + void* const data, + const uint32_t maximum_length +); + +void usb_endpoint_schedule_ack( + const usb_endpoint_t* const endpoint +); + +void usb_endpoint_schedule( + const usb_endpoint_t* const endpoint, + void* const data, + const uint32_t maximum_length +); + +#endif//__USB_QUEUE_H__ diff --git a/firmware/hackrf_usb/usb_standard_request.c b/firmware/hackrf_usb/usb_standard_request.c index cfb58ee0..59991ef1 100644 --- a/firmware/hackrf_usb/usb_standard_request.c +++ b/firmware/hackrf_usb/usb_standard_request.c @@ -27,6 +27,7 @@ #include "usb.h" #include "usb_type.h" #include "usb_descriptor.h" +#include "usb_queue.h" const uint8_t* usb_endpoint_descriptor( const usb_endpoint_t* const endpoint