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Commit Graph

14 Commits

Author SHA1 Message Date
Werner Almesberger
8f949842db atusb/fw/: remove unused items when building the USB driver for the boot loader
- usb/atu2.c (NUM_EPS), board.h (NUM_EPS): moved definition to
  board.h
- board.h (NUM_EPS): use one EP for the boot loader, two for the
  application
- usb/atu2.c (ep_init): initialize EP 1 only in an application build
2011-06-26 06:59:13 -03:00
Werner Almesberger
f7b9a18917 atusb/fw/: new request ATUSB_GPIO_CLEANUP to re-enable INT0
- board.h (gpio_cleanup), board_app.c (gpio_cleanup): restore INT0
  when done manipulating GPIOs
- board.c (gpio): updated comment explaining how to restore INT0
- include/atusb/ep0.h (enum atspi_requests), ep0.c
  (ATUSB_GPIO_CLEANUP): new request to return to normal operation
  after ATUSB_GPIO
2011-06-20 23:11:09 -03:00
Werner Almesberger
0120f62242 atusb/fw/: added reporting of RF interrupts via bulk EP1
- board.h (board_app_init), board_app.c (board_app_init): new function
  for application-specific board initialization
- atusb.c (main): call board_app_init
- board_app.c (INT0_vect): on RF interrupt, read REG_IRQ_STATUS and
  send the status byte on EP1
- board_app.c (board_app_init): set up interrupt on rising edge of
  INT0 (INT_RF)
- descr.c (config_descriptor): added EP1 as bulk IN
2011-06-20 15:49:33 -03:00
Werner Almesberger
a69916da52 atusb/fw/: make timer code use interrupts instead of polling
- board_app.c (timer_poll): replaced with interrupt handler
- board_app.c (__timer_read): merged polling of timer_poll into the
  read loop (so it works as before, provided that interrupts are
  disabled)
- board_app.c (timer_read): run __timer_read with interrupts disabled
- board_app.c (timer_init): enable timer 1 overflow interrupt
- atusb.c (main): enabled global interrupts
- atusb.c (main): don't call poll_timer anymore
- board.h (timer_poll): removed
2011-06-11 08:13:31 -03:00
Werner Almesberger
2acdaca218 atusb/fw/: moved timer initialization to board_app.c as well
- board.c (board_init), board_app.h (timer_init), board_app.c
  (timer_init): moved timer initialization from board_init to
  new function timer_init
- atusb.c (main): call timer_init
2011-06-11 01:52:16 -03:00
Werner Almesberger
3cc92cc4a6 atusb/fw/: define USB bus current (40 mA) in board.h based on measured value
The measured values are:

board idle, looping	  9 mA
LED on			+ 5 mA
TX CW (+3 dBm)		+14 mA
			------
			 28 mA
			======

Adding a margin of 12 mA, we get 40 mA. DFU used 30 mA so far, the
application 50 mA.

- board.h (BOARD_MAX_mA): define maximum USB bus current
- descr.c (config_descriptor), usb/dfu.c (config_descriptor):
  use BOARD_MAX_mA for bMaxPower instead of hard-coding values
2011-06-10 19:33:24 -03:00
Werner Almesberger
e42203b723 atusb/fw/: new request ATUSB_SLP_TR to pulse SLP_TR
- include/atusb/ep0.h (enum atspi_requests): added ATUSB_SLP_TR
- ep0.c (my_setup): call slp_tr on ATUSB_SLP_TR
- board.h (slp_tr), board.c: pulse SLP_TR high
2011-06-05 22:34:49 -03:00
Werner Almesberger
370cd320ef atusb/fw: new request ATUSB_GPIO for direct GPIO access
reset_rf now resets all GPIOs to their default state. This way, we
can easily recover from an incomplete or incorrect use of ATUSB_GPIO.

- atusb.c (main), board.c (reset_rf): moved call to spi_init into
  reset_rf
- board.c (reset_rf, board_init): moved GPIO setup to reset_rf
- board.c (reset_rf): set GPIOs to reset defaults
- board.h (gpio), board.c: read/modify/write all settings of GPIO
  ports
- include/atusb/ep0.h (enum atspi_requests): added new request
  ATUSB_GPIO
- ep0.c (my_setup): ATUSB_GPIO reads/reconfigures a GPIO port
2011-06-04 10:29:10 -03:00
Werner Almesberger
8c57277953 atusb/fw/: added free-running 48 bit 8 MHz counter for clock measurements
- atusb.c (main): poll the 16 bit timer for overflows
- board.h (timer_poll, timer_read), (board.c (timer_h, timer_poll,
  timer_read, board_init): added support for a free-running 48 bit timer
  (16 bits in hardware, 32 bits in software)
- include/atusb/ep0.h (ATUSB_TIMER), ep0.c (my_setup): new request
  ATUSB_TIMER to retrieve the value of the 8 MHz counter
- include/atusb/ep0.h (enum atspi_requests): describe what the groups
  of requests do
2011-05-29 21:05:28 -03:00
Werner Almesberger
85f60de9d5 atusb/fw: use the unique serial number of the ATmega8/16/32U2 for iSerialNumber
- usb/usb.h (USB_LANGID_ENGLISH_US): added USB LANGID for US-English
- board.h (board_sernum), board.c (board_sernum, hex, get_sernum,
  board_init): provide the board's serial number in "board_sernum"
  (UTF-encoded)
- sernum.h (sernum_get_descr), sernum.c (sernum_get_descr): return
  string descriptors for the serial number
- descr.c (device_descriptor), usb/dfu.c (device_descriptor):
  set iSerialNumber if serial number is available
- atusb.c (main), usb/dfu.c (my_descr): call sernum_get_descr for
  unknown descriptors
- Makefile (OBJS, BOOT_OBJS): added sernum.o
2011-05-10 17:23:08 -03:00
Werner Almesberger
42dae8dde2 atusb/fw: implemented ATUSB_RESET
- board.c (board_init): disable the watchdog timer (tricky !)
- board.h (reset_cpu), board.c: enable the watchdog timer to cause a
  CPU reset
- ep0.c (my_setup): uncommented and updated ATUSB_RESET handler
2011-05-09 23:52:00 -03:00
Werner Almesberger
e8bed1f3c1 atusb/fw/: flash a boot loader instead of the application (in progress)
- boot.c: basic boot loader that runs DFU for 2 s, then starts the payload
- board.h (DFU_USB_VENDOR, DFU_USB_PRODUCT): added USB IDs for DFU
- flash.c: stubs for board-specific Flash functions
- Makefile: build boot.hex for the boot loader
- Makefile (prog): load the boot loader at its rightful place
- Makefile (prog): also set hfuse and the lock fuse
2011-03-09 00:41:32 -03:00
Werner Almesberger
79b5daf5a4 atusb/fw/: moved USB IDs from descr.c to board.h
- descr.c (USB_VENDOR, USB_PRODUCT): moved to board.h
- descr.c: include board.h
2011-03-08 19:01:54 -03:00
Werner Almesberger
78cfc8ffeb moved atusb/fw3/ to atusb/fw/ 2011-02-22 00:24:07 -03:00