Separated clean and dirty bootloader sections.
This commit is contained in:
Gareth McMullin
parent
7b10270007
commit
14e5e8b0b6
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@ -0,0 +1,238 @@
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/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/usb/dfu.h>
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/* Commands sent with wBlockNum == 0 as per ST implementation. */
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#define CMD_SETADDR 0x21
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#define CMD_ERASE 0x41
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usbd_device *usbdev;
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/* We need a special large control buffer for this device: */
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u8 usbd_control_buffer[1024];
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static enum dfu_state usbdfu_state = STATE_DFU_IDLE;
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static char *get_dev_unique_id(char *serial_no);
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static struct {
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u8 buf[sizeof(usbd_control_buffer)];
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u16 len;
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u32 addr;
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u16 blocknum;
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} prog;
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const struct usb_device_descriptor dev = {
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.bLength = USB_DT_DEVICE_SIZE,
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.bDescriptorType = USB_DT_DEVICE,
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.bcdUSB = 0x0200,
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.bDeviceClass = 0,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.idVendor = 0x1D50,
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.idProduct = 0x6017,
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.bcdDevice = 0x0100,
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.iManufacturer = 1,
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.iProduct = 2,
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.iSerialNumber = 3,
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.bNumConfigurations = 1,
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};
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const struct usb_dfu_descriptor dfu_function = {
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.bLength = sizeof(struct usb_dfu_descriptor),
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.bDescriptorType = DFU_FUNCTIONAL,
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.bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
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.wDetachTimeout = 255,
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.wTransferSize = 1024,
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.bcdDFUVersion = 0x011A,
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};
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const struct usb_interface_descriptor iface = {
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 0,
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.bInterfaceClass = 0xFE, /* Device Firmware Upgrade */
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.bInterfaceSubClass = 1,
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.bInterfaceProtocol = 2,
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/* The ST Microelectronics DfuSe application needs this string.
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* The format isn't documented... */
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.iInterface = 4,
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.extra = &dfu_function,
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.extralen = sizeof(dfu_function),
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};
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const struct usb_interface ifaces[] = {{
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.num_altsetting = 1,
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.altsetting = &iface,
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}};
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const struct usb_config_descriptor config = {
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.bLength = USB_DT_CONFIGURATION_SIZE,
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.bDescriptorType = USB_DT_CONFIGURATION,
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.wTotalLength = 0,
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = 0xC0,
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.bMaxPower = 0x32,
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.interface = ifaces,
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};
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static char serial_no[9];
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static const char *usb_strings[] = {
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"Black Sphere Technologies",
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PRODUCT_STRING,
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serial_no,
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/* This string is used by ST Microelectronics' DfuSe utility */
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IFACE_STRING,
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};
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static u8 usbdfu_getstatus(u32 *bwPollTimeout)
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{
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switch(usbdfu_state) {
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case STATE_DFU_DNLOAD_SYNC:
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usbdfu_state = STATE_DFU_DNBUSY;
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*bwPollTimeout = poll_timeout(prog.buf[0],
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*(u32 *)(prog.buf + 1),
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prog.blocknum);
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return DFU_STATUS_OK;
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case STATE_DFU_MANIFEST_SYNC:
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/* Device will reset when read is complete */
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usbdfu_state = STATE_DFU_MANIFEST;
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return DFU_STATUS_OK;
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default:
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return DFU_STATUS_OK;
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}
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}
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static void
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usbdfu_getstatus_complete(usbd_device *dev, struct usb_setup_data *req)
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{
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(void)req;
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switch(usbdfu_state) {
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case STATE_DFU_DNBUSY:
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flash_unlock();
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if(prog.blocknum == 0) {
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u32 addr = *(u32 *)(prog.buf + 1);
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if (addr < APP_ADDRESS ||
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(addr >= max_address)) {
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flash_lock();
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usbd_ep_stall_set(dev, 0, 1);
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return;
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}
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switch(prog.buf[0]) {
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case CMD_ERASE:
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check_and_do_sector_erase(addr);
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case CMD_SETADDR:
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prog.addr = addr;
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}
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} else {
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u32 baseaddr = prog.addr +
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((prog.blocknum - 2) *
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dfu_function.wTransferSize);
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flash_program_buffer(baseaddr, prog.buf, prog.len);
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}
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flash_lock();
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/* We jump straight to dfuDNLOAD-IDLE,
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* skipping dfuDNLOAD-SYNC
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*/
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usbdfu_state = STATE_DFU_DNLOAD_IDLE;
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return;
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case STATE_DFU_MANIFEST:
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detach();
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return; /* Will never return */
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default:
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return;
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}
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}
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static int usbdfu_control_request(usbd_device *dev,
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struct usb_setup_data *req, u8 **buf, u16 *len,
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void (**complete)(usbd_device *dev, struct usb_setup_data *req))
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{
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(void)dev;
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if((req->bmRequestType & 0x7F) != 0x21)
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return 0; /* Only accept class request */
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switch(req->bRequest) {
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case DFU_DNLOAD:
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if((len == NULL) || (*len == 0)) {
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usbdfu_state = STATE_DFU_MANIFEST_SYNC;
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return 1;
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} else {
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/* Copy download data for use on GET_STATUS */
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prog.blocknum = req->wValue;
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prog.len = *len;
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memcpy(prog.buf, *buf, *len);
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usbdfu_state = STATE_DFU_DNLOAD_SYNC;
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return 1;
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}
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case DFU_CLRSTATUS:
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/* Clear error and return to dfuIDLE */
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if(usbdfu_state == STATE_DFU_ERROR)
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usbdfu_state = STATE_DFU_IDLE;
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return 1;
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case DFU_ABORT:
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/* Abort returns to dfuIDLE state */
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usbdfu_state = STATE_DFU_IDLE;
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return 1;
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case DFU_UPLOAD:
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/* Upload not supported for now */
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return 0;
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case DFU_GETSTATUS: {
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u32 bwPollTimeout = 0; /* 24-bit integer in DFU class spec */
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(*buf)[0] = usbdfu_getstatus(&bwPollTimeout);
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(*buf)[1] = bwPollTimeout & 0xFF;
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(*buf)[2] = (bwPollTimeout >> 8) & 0xFF;
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(*buf)[3] = (bwPollTimeout >> 16) & 0xFF;
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(*buf)[4] = usbdfu_state;
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(*buf)[5] = 0; /* iString not used here */
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*len = 6;
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*complete = usbdfu_getstatus_complete;
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return 1;
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}
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case DFU_GETSTATE:
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/* Return state with no state transision */
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*buf[0] = usbdfu_state;
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*len = 1;
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return 1;
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}
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return 0;
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}
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@ -1,7 +1,7 @@
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/*
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* This file is part of the libopencm3 project.
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
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* Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -31,22 +31,12 @@
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#warning "Unhandled STM32 family"
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#endif
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#include <libopencm3/cm3/scb.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/usb/dfu.h>
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/* Commands sent with wBlockNum == 0 as per ST implementation. */
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#define CMD_SETADDR 0x21
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#define CMD_ERASE 0x41
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#define FLASH_OBP_RDP 0x1FFFF800
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#define FLASH_OBP_WRP10 0x1FFFF808
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#define FLASH_OBP_RDP_KEY 0x5aa5
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usbd_device *usbdev;
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/* We need a special large control buffer for this device: */
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u8 usbd_control_buffer[1024];
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#if defined (STM32_CAN)
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#define FLASHBLOCKSIZE 2048
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#else
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@ -140,190 +130,76 @@ void check_and_do_sector_erase(u32 sector)
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}
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#endif
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static enum dfu_state usbdfu_state = STATE_DFU_IDLE;
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static char *get_dev_unique_id(char *serial_no);
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static struct {
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u8 buf[sizeof(usbd_control_buffer)];
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u16 len;
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u32 addr;
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u16 blocknum;
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} prog;
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const struct usb_device_descriptor dev = {
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.bLength = USB_DT_DEVICE_SIZE,
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.bDescriptorType = USB_DT_DEVICE,
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.bcdUSB = 0x0200,
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.bDeviceClass = 0,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.idVendor = 0x1D50,
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.idProduct = 0x6017,
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.bcdDevice = 0x0100,
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.iManufacturer = 1,
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.iProduct = 2,
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.iSerialNumber = 3,
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.bNumConfigurations = 1,
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};
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const struct usb_dfu_descriptor dfu_function = {
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.bLength = sizeof(struct usb_dfu_descriptor),
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.bDescriptorType = DFU_FUNCTIONAL,
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.bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
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.wDetachTimeout = 255,
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.wTransferSize = 1024,
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.bcdDFUVersion = 0x011A,
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};
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const struct usb_interface_descriptor iface = {
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 0,
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.bInterfaceClass = 0xFE, /* Device Firmware Upgrade */
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.bInterfaceSubClass = 1,
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.bInterfaceProtocol = 2,
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/* The ST Microelectronics DfuSe application needs this string.
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* The format isn't documented... */
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.iInterface = 4,
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.extra = &dfu_function,
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.extralen = sizeof(dfu_function),
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};
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const struct usb_interface ifaces[] = {{
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.num_altsetting = 1,
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.altsetting = &iface,
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}};
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const struct usb_config_descriptor config = {
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.bLength = USB_DT_CONFIGURATION_SIZE,
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.bDescriptorType = USB_DT_CONFIGURATION,
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.wTotalLength = 0,
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = 0xC0,
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.bMaxPower = 0x32,
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.interface = ifaces,
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};
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static char serial_no[9];
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static const char *usb_strings[] = {
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"Black Sphere Technologies",
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#if defined(BLACKMAGIC)
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"Black Magic Probe (Upgrade), (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")",
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# define PRODUCT_STRING \
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"Black Magic Probe (Upgrade), (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#elif defined(DISCOVERY_STLINK)
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"Black Magic (Upgrade) for STLink/Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")",
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# define PRODUCT_STRING \
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"Black Magic (Upgrade) for STLink/Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#elif defined(STM32_CAN)
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"Black Magic (Upgrade) for STM32_CAN, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")",
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# define PRODUCT_STRING \
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"Black Magic (Upgrade) for STM32_CAN, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#elif defined(F4DISCOVERY)
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"Black Magic (Upgrade) for F4Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")",
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# define PRODUCT_STRING \
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"Black Magic (Upgrade) for F4Discovery, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#elif defined(USPS_F407)
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"Black Magic (Upgrade) for USPS_F407, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")",
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# define PRODUCT_STRING \
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"Black Magic (Upgrade) for USPS_F407, (Firmware 1.5" VERSION_SUFFIX ", build " BUILDDATE ")"
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#else
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#warning "Unhandled board"
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# warning "Unhandled board"
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#endif
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serial_no,
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/* This string is used by ST Microelectronics' DfuSe utility */
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#if defined(BLACKMAGIC)
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"@Internal Flash /0x08000000/8*001Ka,120*001Kg"
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# define IFACE_STRING "@Internal Flash /0x08000000/8*001Ka,120*001Kg"
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#elif defined(DISCOVERY_STLINK)
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"@Internal Flash /0x08000000/8*001Ka,56*001Kg"
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# define IFACE_STRING "@Internal Flash /0x08000000/8*001Ka,56*001Kg"
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#elif defined(STM32_CAN)
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"@Internal Flash /0x08000000/4*002Ka,124*002Kg"
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# define IFACE_STRING "@Internal Flash /0x08000000/4*002Ka,124*002Kg"
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#elif defined(F4DISCOVERY) || defined(USPS_F407)
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"@Internal Flash /0x08000000/1*016Ka,3*016Kg,1*064Kg,7*128Kg"
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# define IFACE_STRING "@Internal Flash /0x08000000/1*016Ka,3*016Kg,1*064Kg,7*128Kg"
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#else
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#warning "Unhandled board"
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# warning "Unhandled board"
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#endif
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};
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static u8 usbdfu_getstatus(u32 *bwPollTimeout)
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static u32 poll_timeout(uint8_t cmd, uint32_t addr, uint16_t blocknum)
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{
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switch(usbdfu_state) {
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case STATE_DFU_DNLOAD_SYNC:
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usbdfu_state = STATE_DFU_DNBUSY;
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#if defined(STM32F4)
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/* Programming 256 word with 100 us(max) per word*/
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*bwPollTimeout = 26;
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/* Erase for big pages on STM2/4 needs "long" time
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Try not to hit USB timeouts*/
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if ((prog.blocknum == 0) && (prog.buf[0] == CMD_ERASE)) {
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u32 addr = *(u32 *)(prog.buf + 1);
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if ((blocknum == 0) && (cmd == CMD_ERASE)) {
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get_sector_num(addr);
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if(addr == sector_addr[sector_num])
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*bwPollTimeout = sector_erase_time[sector_num];
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return sector_erase_time[sector_num];
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}
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/* Programming 256 word with 100 us(max) per word*/
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return 26;
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#else
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*bwPollTimeout = 100;
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(void)cmd;
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(void)addr;
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(void)blocknum;
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return 100;
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#endif
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return DFU_STATUS_OK;
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case STATE_DFU_MANIFEST_SYNC:
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/* Device will reset when read is complete */
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usbdfu_state = STATE_DFU_MANIFEST;
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return DFU_STATUS_OK;
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default:
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return DFU_STATUS_OK;
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}
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}
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static void
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usbdfu_getstatus_complete(usbd_device *dev, struct usb_setup_data *req)
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static void flash_program_buffer(uint32_t baseaddr, void *buf, int len)
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{
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int i;
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(void)req;
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switch(usbdfu_state) {
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case STATE_DFU_DNBUSY:
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flash_unlock();
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if(prog.blocknum == 0) {
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u32 addr = *(u32 *)(prog.buf + 1);
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if (addr < APP_ADDRESS ||
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(addr >= max_address)) {
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flash_lock();
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usbd_ep_stall_set(dev, 0, 1);
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return;
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}
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switch(prog.buf[0]) {
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case CMD_ERASE:
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||||
check_and_do_sector_erase(addr);
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case CMD_SETADDR:
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prog.addr = addr;
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}
|
||||
} else {
|
||||
u32 baseaddr = prog.addr +
|
||||
((prog.blocknum - 2) *
|
||||
dfu_function.wTransferSize);
|
||||
#if defined (STM32F4)
|
||||
for(i = 0; i < prog.len; i += 4)
|
||||
for(i = 0; i < len; i += 4)
|
||||
flash_program_word(baseaddr + i,
|
||||
*(u32*)(prog.buf+i),
|
||||
*(u32*)(buf+i),
|
||||
FLASH_PROGRAM_X32);
|
||||
#else
|
||||
for(i = 0; i < prog.len; i += 2)
|
||||
for(i = 0; i < len; i += 2)
|
||||
flash_program_half_word(baseaddr + i,
|
||||
*(u16*)(prog.buf+i));
|
||||
*(u16*)(buf+i));
|
||||
#endif
|
||||
}
|
||||
flash_lock();
|
||||
}
|
||||
|
||||
/* We jump straight to dfuDNLOAD-IDLE,
|
||||
* skipping dfuDNLOAD-SYNC
|
||||
*/
|
||||
usbdfu_state = STATE_DFU_DNLOAD_IDLE;
|
||||
return;
|
||||
|
||||
case STATE_DFU_MANIFEST:
|
||||
static void detach(void)
|
||||
{
|
||||
#if defined (DISCOVERY_STLINK)
|
||||
/* Disconnect USB cable by resetting USB Device
|
||||
and pulling USB_DP low*/
|
||||
|
|
@ -338,70 +214,9 @@ usbdfu_getstatus_complete(usbd_device *dev, struct usb_setup_data *req)
|
|||
/* USB device must detach, we just reset... */
|
||||
#endif
|
||||
scb_reset_system();
|
||||
return; /* Will never return */
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static int usbdfu_control_request(usbd_device *dev,
|
||||
struct usb_setup_data *req, u8 **buf, u16 *len,
|
||||
void (**complete)(usbd_device *dev, struct usb_setup_data *req))
|
||||
{
|
||||
(void)dev;
|
||||
|
||||
if((req->bmRequestType & 0x7F) != 0x21)
|
||||
return 0; /* Only accept class request */
|
||||
|
||||
switch(req->bRequest) {
|
||||
case DFU_DNLOAD:
|
||||
if((len == NULL) || (*len == 0)) {
|
||||
usbdfu_state = STATE_DFU_MANIFEST_SYNC;
|
||||
return 1;
|
||||
} else {
|
||||
/* Copy download data for use on GET_STATUS */
|
||||
prog.blocknum = req->wValue;
|
||||
prog.len = *len;
|
||||
memcpy(prog.buf, *buf, *len);
|
||||
usbdfu_state = STATE_DFU_DNLOAD_SYNC;
|
||||
return 1;
|
||||
}
|
||||
case DFU_CLRSTATUS:
|
||||
/* Clear error and return to dfuIDLE */
|
||||
if(usbdfu_state == STATE_DFU_ERROR)
|
||||
usbdfu_state = STATE_DFU_IDLE;
|
||||
return 1;
|
||||
case DFU_ABORT:
|
||||
/* Abort returns to dfuIDLE state */
|
||||
usbdfu_state = STATE_DFU_IDLE;
|
||||
return 1;
|
||||
case DFU_UPLOAD:
|
||||
/* Upload not supported for now */
|
||||
return 0;
|
||||
case DFU_GETSTATUS: {
|
||||
u32 bwPollTimeout = 0; /* 24-bit integer in DFU class spec */
|
||||
|
||||
(*buf)[0] = usbdfu_getstatus(&bwPollTimeout);
|
||||
(*buf)[1] = bwPollTimeout & 0xFF;
|
||||
(*buf)[2] = (bwPollTimeout >> 8) & 0xFF;
|
||||
(*buf)[3] = (bwPollTimeout >> 16) & 0xFF;
|
||||
(*buf)[4] = usbdfu_state;
|
||||
(*buf)[5] = 0; /* iString not used here */
|
||||
*len = 6;
|
||||
|
||||
*complete = usbdfu_getstatus_complete;
|
||||
|
||||
return 1;
|
||||
}
|
||||
case DFU_GETSTATE:
|
||||
/* Return state with no state transision */
|
||||
*buf[0] = usbdfu_state;
|
||||
*len = 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#include "dfucore.c"
|
||||
|
||||
int main(void)
|
||||
{
|
||||
|
|
@ -552,7 +367,7 @@ int main(void)
|
|||
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
|
||||
usbdfu_control_request);
|
||||
|
||||
#if defined(BLACKMAGIG)
|
||||
#if defined(BLACKMAGIC)
|
||||
gpio_set(GPIOA, GPIO8);
|
||||
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
|
||||
|
|
@ -600,7 +415,7 @@ static char *get_dev_unique_id(char *s)
|
|||
|
||||
void sys_tick_handler()
|
||||
{
|
||||
#if defined(DISCOVERY_STLINK)
|
||||
#if defined(DISCOVERY_STLINK)
|
||||
if (rev == 0)
|
||||
gpio_toggle(GPIOA, led_idle_run);
|
||||
else
|
||||
|
|
|
|||
Loading…
Reference in New Issue