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-rw-r--r--firmware/fx2/lib/.gitignore18
-rw-r--r--firmware/fx2/lib/Makefile.am79
-rw-r--r--firmware/fx2/lib/delay.c76
-rw-r--r--firmware/fx2/lib/fx2utils.c54
-rw-r--r--firmware/fx2/lib/i2c-compiler-bug.c129
-rw-r--r--firmware/fx2/lib/i2c.c123
-rw-r--r--firmware/fx2/lib/isr.c167
-rw-r--r--firmware/fx2/lib/timer.c49
-rw-r--r--firmware/fx2/lib/usb_common.c386
9 files changed, 0 insertions, 1081 deletions
diff --git a/firmware/fx2/lib/.gitignore b/firmware/fx2/lib/.gitignore
deleted file mode 100644
index 04f253234..000000000
--- a/firmware/fx2/lib/.gitignore
+++ /dev/null
@@ -1,18 +0,0 @@
-/*.ihx
-/*.lnk
-/*.lst
-/*.map
-/*.mem
-/*.rel
-/*.rst
-/*.sym
-/blink_leds.asm
-/usrp_common.asm
-/command_loop.asm
-/fpga.asm
-/*.asm
-/usrp_gpif.c
-/usrp_gpif_inline.h
-/*.lib
-/Makefile
-/Makefile.in
diff --git a/firmware/fx2/lib/Makefile.am b/firmware/fx2/lib/Makefile.am
deleted file mode 100644
index f9e1b2317..000000000
--- a/firmware/fx2/lib/Makefile.am
+++ /dev/null
@@ -1,79 +0,0 @@
-#
-# Copyright 2003 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio 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, or (at your option)
-# any later version.
-#
-# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-EXTRA_DIST = \
- delay.c \
- fx2utils.c \
- i2c.c \
- isr.c \
- timer.c \
- usb_common.c
-
-
-
-DEFINES=
-FW_INCLUDES=-I$(top_srcdir)/include
-
-# with EA = 0, the FX2 implements a portion of the 8051 "external memory"
-# on chip. This memory is mapped like this:
-#
-# The bottom 8K of memory (0x0000 - 0x1fff) is used for both data and
-# code accesses. There's also 512 bytes for data only from 0xe000 - 0xe1ff.
-#
-# We tell the linker to start the xdata segment at 0x1800, 6K up from
-# the bottom.
-
-LINKOPTS = --code-loc 0x0000 --code-size 0x1800 --xram-loc 0x1800 --xram-size 0x0800
-
-LIBRARY = libfx2.lib
-
-LIBOBJS = \
- delay.rel \
- fx2utils.rel \
- i2c.rel \
- isr.rel \
- timer.rel \
- usb_common.rel
-
-
-
-all: libfx2.lib
-
-.c.rel:
- $(XCC) $(FW_INCLUDES) $(DEFINES) -c $< -o $@
-
-$(LIBRARY): $(LIBOBJS)
- -rm -f $(LIBRARY)
- touch $(LIBRARY)
- for obj in $(LIBOBJS); do basename $$obj .rel >> $(LIBRARY) ; done
-
-
-CLEANFILES = \
- *.ihx *.lnk *.lst *.map *.mem *.rel *.rst *.sym *.asm *.lib
-
-DISTCLEANFILES = \
- *.ihx *.lnk *.lst *.map *.mem *.rel *.rst *.sym *.asm *.lib
-
-install: all
-
-
-# dependencies
-
diff --git a/firmware/fx2/lib/delay.c b/firmware/fx2/lib/delay.c
deleted file mode 100644
index 13cf0eec8..000000000
--- a/firmware/fx2/lib/delay.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-/*
- * Delay approximately 1 microsecond (including overhead in udelay).
- */
-static void
-udelay1 (void) _naked
-{
- _asm ; lcall that got us here took 4 bus cycles
- ret ; 4 bus cycles
- _endasm;
-}
-
-/*
- * delay for approximately usecs microseconds
- */
-void
-udelay (unsigned char usecs)
-{
- do {
- udelay1 ();
- } while (--usecs != 0);
-}
-
-
-/*
- * Delay approximately 1 millisecond.
- * We're running at 48 MHz, so we need 48,000 clock cycles.
- *
- * Note however, that each bus cycle takes 4 clock cycles (not obvious,
- * but explains the factor of 4 problem below).
- */
-static void
-mdelay1 (void) _naked
-{
- _asm
- mov dptr,#(-1200 & 0xffff)
-002$:
- inc dptr ; 3 bus cycles
- mov a, dpl ; 2 bus cycles
- orl a, dph ; 2 bus cycles
- jnz 002$ ; 3 bus cycles
-
- ret
- _endasm;
-}
-
-void
-mdelay (unsigned int msecs)
-{
- do {
- mdelay1 ();
- } while (--msecs != 0);
-}
-
-
diff --git a/firmware/fx2/lib/fx2utils.c b/firmware/fx2/lib/fx2utils.c
deleted file mode 100644
index 64ffcc896..000000000
--- a/firmware/fx2/lib/fx2utils.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "fx2utils.h"
-#include "fx2regs.h"
-#include "delay.h"
-
-void
-fx2_stall_ep0 (void)
-{
- EP0CS |= bmEPSTALL;
-}
-
-void
-fx2_reset_data_toggle (unsigned char ep)
-{
- TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f));
- TOGCTL |= bmRESETTOGGLE;
-}
-
-void
-fx2_renumerate (void)
-{
- USBCS |= bmDISCON | bmRENUM;
-
- // mdelay (1500); // FIXME why 1.5 seconds?
- mdelay (250); // FIXME why 1.5 seconds?
-
- USBIRQ = 0xff; // clear any pending USB irqs...
- EPIRQ = 0xff; // they're from before the renumeration
-
- EXIF &= ~bmEXIF_USBINT;
-
- USBCS &= ~bmDISCON; // reconnect USB
-}
diff --git a/firmware/fx2/lib/i2c-compiler-bug.c b/firmware/fx2/lib/i2c-compiler-bug.c
deleted file mode 100644
index 360b779bc..000000000
--- a/firmware/fx2/lib/i2c-compiler-bug.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "i2c.h"
-#include "fx2regs.h"
-#include <string.h>
-
-
-// issue a stop bus cycle and wait for completion
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len)
-{
- volatile unsigned char junk;
-
- if (len == 0) // reading zero bytes always works
- return 1;
-
- // memset (buf, 0, len); // FIXME, remove
-
- while (I2CS & bmSTOP) // wait for stop to clear
- ;
-
-
- I2CS = bmSTART;
- I2DAT = (addr << 1) | 1; // write address and direction (1's the read bit)
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
-
- if (len == 1)
- I2CS |= bmLASTRD;
-
- junk = I2DAT; // trigger the first read cycle
-
-#if 1
- while (len != 1){
- while ((I2CS & bmDONE) == 0)
- ;
-
- if (I2CS & bmBERR)
- goto fail;
-
- len--;
- if (len == 1)
- I2CS |= bmLASTRD;
-
- *buf++ = I2DAT; // get data, trigger another read
- }
-#endif
-
- // wait for final byte
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if (I2CS & bmBERR)
- goto fail;
-
- I2CS |= bmSTOP;
- *buf = I2DAT;
-
- return 1;
-
- fail:
- I2CS |= bmSTOP;
- return 0;
-}
-
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len)
-{
- while (I2CS & bmSTOP) // wait for stop to clear
- ;
-
- I2CS = bmSTART;
- I2DAT = (addr << 1) | 0; // write address and direction (0's the write bit)
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
-
- while (len > 0){
- I2DAT = *buf++;
- len--;
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
- }
-
- I2CS |= bmSTOP;
- return 1;
-
- fail:
- I2CS |= bmSTOP;
- return 0;
-}
diff --git a/firmware/fx2/lib/i2c.c b/firmware/fx2/lib/i2c.c
deleted file mode 100644
index 0f238b5cf..000000000
--- a/firmware/fx2/lib/i2c.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "i2c.h"
-#include "fx2regs.h"
-#include <string.h>
-
-
-// issue a stop bus cycle and wait for completion
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len)
-{
- volatile unsigned char junk;
-
- if (len == 0) // reading zero bytes always works
- return 1;
-
- while (I2CS & bmSTOP) // wait for stop to clear
- ;
-
- I2CS = bmSTART;
- I2DAT = (addr << 1) | 1; // write address and direction (1's the read bit)
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
-
- if (len == 1)
- I2CS |= bmLASTRD;
-
- junk = I2DAT; // trigger the first read cycle
-
- while (--len != 0){
- while ((I2CS & bmDONE) == 0)
- ;
-
- if (I2CS & bmBERR)
- goto fail;
-
- if (len == 1)
- I2CS |= bmLASTRD;
-
- *buf++ = I2DAT; // get data, trigger another read
- }
-
- // wait for final byte
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if (I2CS & bmBERR)
- goto fail;
-
- I2CS |= bmSTOP;
- *buf = I2DAT;
-
- return 1;
-
- fail:
- I2CS |= bmSTOP;
- return 0;
-}
-
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len)
-{
- while (I2CS & bmSTOP) // wait for stop to clear
- ;
-
- I2CS = bmSTART;
- I2DAT = (addr << 1) | 0; // write address and direction (0's the write bit)
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
-
- while (len > 0){
- I2DAT = *buf++;
- len--;
-
- while ((I2CS & bmDONE) == 0)
- ;
-
- if ((I2CS & bmBERR) || (I2CS & bmACK) == 0) // no device answered...
- goto fail;
- }
-
- I2CS |= bmSTOP;
- return 1;
-
- fail:
- I2CS |= bmSTOP;
- return 0;
-}
diff --git a/firmware/fx2/lib/isr.c b/firmware/fx2/lib/isr.c
deleted file mode 100644
index 05412daf5..000000000
--- a/firmware/fx2/lib/isr.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "isr.h"
-#include "fx2regs.h"
-#include "syncdelay.h"
-
-extern xdata unsigned char _standard_interrupt_vector[];
-extern xdata unsigned char _usb_autovector[];
-extern xdata unsigned char _fifo_gpif_autovector[];
-
-#define LJMP_OPCODE 0x02
-
-/*
- * Hook standard interrupt vector.
- *
- * vector_number is from the SV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void
-hook_sv (unsigned char vector_number, unsigned short addr)
-{
- bit t;
-
- // sanity checks
-
- if (vector_number < SV_MIN || vector_number > SV_MAX)
- return;
-
- if ((vector_number & 0x0f) != 0x03 && (vector_number & 0x0f) != 0x0b)
- return;
-
- t = EA;
- EA = 0;
- _standard_interrupt_vector[vector_number] = LJMP_OPCODE;
- _standard_interrupt_vector[vector_number + 1] = addr >> 8;
- _standard_interrupt_vector[vector_number + 2] = addr & 0xff;
- EA = t;
-}
-
-/*
- * Hook usb interrupt vector.
- *
- * vector_number is from the UV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void
-hook_uv (unsigned char vector_number, unsigned short addr)
-{
- bit t;
-
- // sanity checks
-
- if (vector_number < UV_MIN || vector_number > UV_MAX)
- return;
-
- if ((vector_number & 0x3) != 0)
- return;
-
- t = EA;
- EA = 0;
- _usb_autovector[vector_number] = LJMP_OPCODE;
- _usb_autovector[vector_number + 1] = addr >> 8;
- _usb_autovector[vector_number + 2] = addr & 0xff;
- EA = t;
-}
-
-/*
- * Hook fifo/gpif interrupt vector.
- *
- * vector_number is from the FGV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void
-hook_fgv (unsigned char vector_number, unsigned short addr)
-{
- bit t;
-
- // sanity checks
-
- if (vector_number < FGV_MIN || vector_number > FGV_MAX)
- return;
-
- if ((vector_number & 0x3) != 0)
- return;
-
- t = EA;
- EA = 0;
- _fifo_gpif_autovector[vector_number] = LJMP_OPCODE;
- _fifo_gpif_autovector[vector_number + 1] = addr >> 8;
- _fifo_gpif_autovector[vector_number + 2] = addr & 0xff;
- EA = t;
-}
-
-/*
- * One time call to enable autovectoring for both USB and FIFO/GPIF.
- *
- * This disables all USB and FIFO/GPIF interrupts and clears
- * any pending interrupts too. It leaves the master USB and FIFO/GPIF
- * interrupts enabled.
- */
-void
-setup_autovectors (void)
-{
- // disable master usb and fifo/gpif interrupt enables
- EIUSB = 0;
- EIEX4 = 0;
-
- hook_sv (SV_INT_2, (unsigned short) _usb_autovector);
- hook_sv (SV_INT_4, (unsigned short) _fifo_gpif_autovector);
-
- // disable all fifo interrupt enables
- SYNCDELAY;
- EP2FIFOIE = 0; SYNCDELAY;
- EP4FIFOIE = 0; SYNCDELAY;
- EP6FIFOIE = 0; SYNCDELAY;
- EP8FIFOIE = 0; SYNCDELAY;
-
- // clear all pending fifo irqs
- EP2FIFOIRQ = 0xff; SYNCDELAY;
- EP4FIFOIRQ = 0xff; SYNCDELAY;
- EP6FIFOIRQ = 0xff; SYNCDELAY;
- EP8FIFOIRQ = 0xff; SYNCDELAY;
-
- IBNIE = 0;
- IBNIRQ = 0xff;
- NAKIE = 0;
- NAKIRQ = 0xff;
- USBIE = 0;
- USBIRQ = 0xff;
- EPIE = 0;
- EPIRQ = 0xff;
- SYNCDELAY; GPIFIE = 0;
- SYNCDELAY; GPIFIRQ = 0xff;
- USBERRIE = 0;
- USBERRIRQ = 0xff;
- CLRERRCNT = 0;
-
- INTSETUP = bmAV2EN | bmAV4EN | bmINT4IN;
-
- // clear master irq's for usb and fifo/gpif
- EXIF &= ~bmEXIF_USBINT;
- EXIF &= ~bmEXIF_IE4;
-
- // enable master usb and fifo/gpif interrrupts
- EIUSB = 1;
- EIEX4 = 1;
-}
diff --git a/firmware/fx2/lib/timer.c b/firmware/fx2/lib/timer.c
deleted file mode 100644
index 97e2f7cf9..000000000
--- a/firmware/fx2/lib/timer.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "timer.h"
-#include "fx2regs.h"
-#include "isr.h"
-
-/*
- * Arrange to have isr_tick_handler called at 100 Hz.
- *
- * The cpu clock is running at 48e6. The input to the timer
- * is 48e6 / 12 = 4e6.
- *
- * We arrange to have the timer overflow every 40000 clocks == 100 Hz
- */
-
-#define RELOAD_VALUE ((unsigned short) -40000)
-
-void
-hook_timer_tick (unsigned short isr_tick_handler)
-{
- ET2 = 0; // disable timer 2 interrupts
- hook_sv (SV_TIMER_2, isr_tick_handler);
-
- RCAP2H = RELOAD_VALUE >> 8; // setup the auto reload value
- RCAP2L = RELOAD_VALUE;
-
- T2CON = 0x04; // interrupt on overflow; reload; run
- ET2 = 1; // enable timer 2 interrupts
-}
diff --git a/firmware/fx2/lib/usb_common.c b/firmware/fx2/lib/usb_common.c
deleted file mode 100644
index 3b0547b2f..000000000
--- a/firmware/fx2/lib/usb_common.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "usb_common.h"
-#include "fx2regs.h"
-#include "syncdelay.h"
-#include "fx2utils.h"
-#include "isr.h"
-#include "usb_descriptors.h"
-#include "usb_requests.h"
-
-extern xdata char str0[];
-extern xdata char str1[];
-extern xdata char str2[];
-extern xdata char str3[];
-extern xdata char str4[];
-extern xdata char str5[];
-
-
-#define bRequestType SETUPDAT[0]
-#define bRequest SETUPDAT[1]
-#define wValueL SETUPDAT[2]
-#define wValueH SETUPDAT[3]
-#define wIndexL SETUPDAT[4]
-#define wIndexH SETUPDAT[5]
-#define wLengthL SETUPDAT[6]
-#define wLengthH SETUPDAT[7]
-
-#define MSB(x) (((unsigned short) x) >> 8)
-#define LSB(x) (((unsigned short) x) & 0xff)
-
-volatile bit _usb_got_SUDAV;
-
-unsigned char _usb_config = 0;
-unsigned char _usb_alt_setting = 0; // FIXME really 1/interface
-
-xdata unsigned char *current_device_descr;
-xdata unsigned char *current_devqual_descr;
-xdata unsigned char *current_config_descr;
-xdata unsigned char *other_config_descr;
-
-static void
-setup_descriptors (void)
-{
- if (USBCS & bmHSM){ // high speed mode
- current_device_descr = high_speed_device_descr;
- current_devqual_descr = high_speed_devqual_descr;
- current_config_descr = high_speed_config_descr;
- other_config_descr = full_speed_config_descr;
- }
- else {
- current_device_descr = full_speed_device_descr;
- current_devqual_descr = full_speed_devqual_descr;
- current_config_descr = full_speed_config_descr;
- other_config_descr = high_speed_config_descr;
- }
-
- // whack the type fields
- // FIXME, may not be required.
- // current_config_descr[1] = DT_CONFIG;
- // other_config_descr[1] = DT_OTHER_SPEED;
-}
-
-static void
-isr_SUDAV (void) interrupt
-{
- clear_usb_irq ();
- _usb_got_SUDAV = 1;
-}
-
-static void
-isr_USBRESET (void) interrupt
-{
- clear_usb_irq ();
- setup_descriptors ();
-}
-
-static void
-isr_HIGHSPEED (void) interrupt
-{
- clear_usb_irq ();
- setup_descriptors ();
-}
-
-void
-usb_install_handlers (void)
-{
- setup_descriptors (); // ensure that they're set before use
-
- hook_uv (UV_SUDAV, (unsigned short) isr_SUDAV);
- hook_uv (UV_USBRESET, (unsigned short) isr_USBRESET);
- hook_uv (UV_HIGHSPEED, (unsigned short) isr_HIGHSPEED);
-
- USBIE = bmSUDAV | bmURES | bmHSGRANT;
-}
-
-// On the FX2 the only plausible endpoints are 0, 1, 2, 4, 6, 8
-// This doesn't check to see that they're enabled
-
-unsigned char
-plausible_endpoint (unsigned char ep)
-{
- ep &= ~0x80; // ignore direction bit
-
- if (ep > 8)
- return 0;
-
- if (ep == 1)
- return 1;
-
- return (ep & 0x1) == 0; // must be even
-}
-
-// return pointer to control and status register for endpoint.
-// only called with plausible_endpoints
-
-xdata volatile unsigned char *
-epcs (unsigned char ep)
-{
- if (ep == 0x01) // ep1 has different in and out CS regs
- return EP1OUTCS;
-
- if (ep == 0x81)
- return EP1INCS;
-
- ep &= ~0x80; // ignore direction bit
-
- if (ep == 0x00) // ep0
- return EP0CS;
-
- return EP2CS + (ep >> 1); // 2, 4, 6, 8 are consecutive
-}
-
-void
-usb_handle_setup_packet (void)
-{
- _usb_got_SUDAV = 0;
-
- // handle the standard requests...
-
- switch (bRequestType & bmRT_TYPE_MASK){
-
- case bmRT_TYPE_CLASS:
- case bmRT_TYPE_RESERVED:
- fx2_stall_ep0 (); // we don't handle these. indicate error
- break;
-
- case bmRT_TYPE_VENDOR:
- // call the application code.
- // If it handles the command it returns non-zero
-
- if (!app_vendor_cmd ())
- fx2_stall_ep0 ();
- break;
-
- case bmRT_TYPE_STD:
- // these are the standard requests...
-
- if ((bRequestType & bmRT_DIR_MASK) == bmRT_DIR_IN){
-
- ////////////////////////////////////
- // handle the IN requests
- ////////////////////////////////////
-
- switch (bRequest){
-
- case RQ_GET_CONFIG:
- EP0BUF[0] = _usb_config; // FIXME app should handle
- EP0BCH = 0;
- EP0BCL = 1;
- break;
-
- // --------------------------------
-
- case RQ_GET_INTERFACE:
- EP0BUF[0] = _usb_alt_setting; // FIXME app should handle
- EP0BCH = 0;
- EP0BCL = 1;
- break;
-
- // --------------------------------
-
- case RQ_GET_DESCR:
- switch (wValueH){
-
- case DT_DEVICE:
- SUDPTRH = MSB (current_device_descr);
- SUDPTRL = LSB (current_device_descr);
- break;
-
- case DT_DEVQUAL:
- SUDPTRH = MSB (current_devqual_descr);
- SUDPTRL = LSB (current_devqual_descr);
- break;
-
- case DT_CONFIG:
- if (0 && wValueL != 1) // FIXME only a single configuration
- fx2_stall_ep0 ();
- else {
- SUDPTRH = MSB (current_config_descr);
- SUDPTRL = LSB (current_config_descr);
- }
- break;
-
- case DT_OTHER_SPEED:
- if (0 && wValueL != 1) // FIXME only a single configuration
- fx2_stall_ep0 ();
- else {
- SUDPTRH = MSB (other_config_descr);
- SUDPTRL = LSB (other_config_descr);
- }
- break;
-
- case DT_STRING:
- if (wValueL >= nstring_descriptors)
- fx2_stall_ep0 ();
- else {
- xdata char *p = string_descriptors[wValueL];
- SUDPTRH = MSB (p);
- SUDPTRL = LSB (p);
- }
- break;
-
- default:
- fx2_stall_ep0 (); // invalid request
- break;
- }
- break;
-
- // --------------------------------
-
- case RQ_GET_STATUS:
- switch (bRequestType & bmRT_RECIP_MASK){
- case bmRT_RECIP_DEVICE:
- EP0BUF[0] = bmGSDA_SELF_POWERED; // FIXME app should handle
- EP0BUF[1] = 0;
- EP0BCH = 0;
- EP0BCL = 2;
- break;
-
- case bmRT_RECIP_INTERFACE:
- EP0BUF[0] = 0;
- EP0BUF[1] = 0;
- EP0BCH = 0;
- EP0BCL = 2;
- break;
-
- case bmRT_RECIP_ENDPOINT:
- if (plausible_endpoint (wIndexL)){
- EP0BUF[0] = *epcs (wIndexL) & bmEPSTALL;
- EP0BUF[1] = 0;
- EP0BCH = 0;
- EP0BCL = 2;
- }
- else
- fx2_stall_ep0 ();
- break;
-
- default:
- fx2_stall_ep0 ();
- break;
- }
- break;
-
- // --------------------------------
-
- case RQ_SYNCH_FRAME: // not implemented
- default:
- fx2_stall_ep0 ();
- break;
- }
- }
-
- else {
-
- ////////////////////////////////////
- // handle the OUT requests
- ////////////////////////////////////
-
- switch (bRequest){
-
- case RQ_SET_CONFIG:
- _usb_config = wValueL; // FIXME app should handle
- break;
-
- case RQ_SET_INTERFACE:
- _usb_alt_setting = wValueL; // FIXME app should handle
- break;
-
- // --------------------------------
-
- case RQ_CLEAR_FEATURE:
- switch (bRequestType & bmRT_RECIP_MASK){
-
- case bmRT_RECIP_DEVICE:
- switch (wValueL){
- case FS_DEV_REMOTE_WAKEUP:
- default:
- fx2_stall_ep0 ();
- }
- break;
-
- case bmRT_RECIP_ENDPOINT:
- if (wValueL == FS_ENDPOINT_HALT && plausible_endpoint (wIndexL)){
- *epcs (wIndexL) &= ~bmEPSTALL;
- fx2_reset_data_toggle (wIndexL);
- }
- else
- fx2_stall_ep0 ();
- break;
-
- default:
- fx2_stall_ep0 ();
- break;
- }
- break;
-
- // --------------------------------
-
- case RQ_SET_FEATURE:
- switch (bRequestType & bmRT_RECIP_MASK){
-
- case bmRT_RECIP_DEVICE:
- switch (wValueL){
- case FS_TEST_MODE:
- // hardware handles this after we complete SETUP phase handshake
- break;
-
- case FS_DEV_REMOTE_WAKEUP:
- default:
- fx2_stall_ep0 ();
- break;
- }
- }
- break;
-
- case bmRT_RECIP_ENDPOINT:
- switch (wValueL){
- case FS_ENDPOINT_HALT:
- if (plausible_endpoint (wIndexL))
- *epcs (wIndexL) |= bmEPSTALL;
- else
- fx2_stall_ep0 ();
- break;
-
- default:
- fx2_stall_ep0 ();
- break;
- }
- break;
-
- // --------------------------------
-
- case RQ_SET_ADDRESS: // handled by fx2 hardware
- case RQ_SET_DESCR: // not implemented
- default:
- fx2_stall_ep0 ();
- }
-
- }
- break;
-
- } // bmRT_TYPE_MASK
-
- // ack handshake phase of device request
- EP0CS |= bmHSNAK;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 07:09:17 +0000