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git://projects.qi-hardware.com/ben-wpan.git
synced 2024-12-23 08:02:25 +02:00
atusb/fw/: added transition from runtime to DFU mode according to DFU spec
- descr.c (config_descriptor): added DFU interface descriptor - ep0.c (my_dfu_setup, my_set_interface, ep0_init): added DFU interface switching - ep0.c (my_reset, ep0_init): CPU-reset (into boot loader) on USB bus reset when in appDETACH - Makefile (OBJS): added dfu_common.o
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@ -31,7 +31,8 @@ SIZE = $(AVR_PREFIX)size
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USB_ID = 20b7:1540
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USB_OBJS = usb.o atu2.o
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OBJS = atusb.o board.o board_app.o sernum.o spi.o descr.o ep0.o $(USB_OBJS)
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OBJS = atusb.o board.o board_app.o sernum.o spi.o descr.o ep0.o dfu_common.o \
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$(USB_OBJS)
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BOOT_OBJS = boot.o board.o sernum.o spi.o flash.o dfu.o dfu_common.o \
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$(USB_OBJS)
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@ -12,6 +12,7 @@
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#include "usb.h"
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#include "dfu.h"
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#include "board.h"
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@ -55,9 +56,9 @@ const uint8_t config_descriptor[] = {
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#if 0
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LE(9+9+7+7), /* wTotalLength */
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#else
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LE(9+9), /* wTotalLength */
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LE(9+9+9), /* wTotalLength */
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#endif
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1, /* bNumInterfaces */
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2, /* bNumInterfaces */
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1, /* bConfigurationValue (> 0 !) */
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0, /* iConfiguration */
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USB_ATTR_BUS_POWERED, /* bmAttributes */
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@ -98,4 +99,8 @@ const uint8_t config_descriptor[] = {
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LE(EP1_SIZE), /* wMaxPacketSize */
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0, /* bInterval */
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#endif
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/* Interface #1 */
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DFU_ITF_DESCR(1, dfu_proto_runtime)
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};
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@ -21,11 +21,13 @@
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#endif
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#include "usb.h"
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#include "dfu.h"
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#include "at86rf230.h"
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#include "atusb/ep0.h"
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#include "version.h"
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#include "board.h"
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#include "sernum.h"
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#include "spi.h"
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@ -207,7 +209,43 @@ static int my_setup(const struct setup_request *setup)
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}
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static int my_dfu_setup(const struct setup_request *setup)
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{
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switch (setup->bmRequestType | setup->bRequest << 8) {
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case DFU_TO_DEV(DFU_DETACH):
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/* @@@ should use wTimeout */
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dfu.state = appDETACH;
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return 1;
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default:
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return dfu_setup_common(setup);
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}
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}
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static void my_set_interface(int nth)
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{
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if (nth) {
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user_setup = my_dfu_setup;
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user_get_descriptor = dfu_my_descr;
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dfu.state = appIDLE;
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} else {
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user_setup = my_setup;
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user_get_descriptor = sernum_get_descr;
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}
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}
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static void my_reset(void)
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{
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if (dfu.state == appDETACH)
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reset_cpu();
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}
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void ep0_init(void)
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{
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user_setup = my_setup;
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user_set_interface = my_set_interface;
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my_set_interface(0);
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user_reset = my_reset;
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}
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