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Diffstat (limited to 'examples/other/usb_dfu/usbdfu.c')
-rw-r--r--examples/other/usb_dfu/usbdfu.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/examples/other/usb_dfu/usbdfu.c b/examples/other/usb_dfu/usbdfu.c
deleted file mode 100644
index 9981585..0000000
--- a/examples/other/usb_dfu/usbdfu.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * This file is part of the libopenstm32 project.
- *
- * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
- *
- * 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <string.h>
-#include <libopenstm32/rcc.h>
-#include <libopenstm32/gpio.h>
-#include <libopenstm32/flash.h>
-#include <libopenstm32/scb.h>
-#include <usb/usbd.h>
-#include <usb/dfu.h>
-
-#define APP_ADDRESS 0x08002000
-
-/* Commands sent with wBlockNum == 0 as per ST implementation. */
-#define CMD_SETADDR 0x21
-#define CMD_ERASE 0x41
-
-/* We need a special large control buffer for this device: */
-u8 usbd_control_buffer[1024];
-
-static enum dfu_state usbdfu_state = STATE_DFU_IDLE;
-
-static struct {
- u8 buf[sizeof(usbd_control_buffer)];
- u16 len;
- u32 addr;
- u16 blocknum;
-} prog;
-
-const struct usb_device_descriptor dev = {
- .bLength = USB_DT_DEVICE_SIZE,
- .bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = 0x0200,
- .bDeviceClass = 0,
- .bDeviceSubClass = 0,
- .bDeviceProtocol = 0,
- .bMaxPacketSize0 = 64,
- .idVendor = 0x0483,
- .idProduct = 0xDF11,
- .bcdDevice = 0x0200,
- .iManufacturer = 1,
- .iProduct = 2,
- .iSerialNumber = 3,
- .bNumConfigurations = 1,
-};
-
-const struct usb_dfu_descriptor dfu_function = {
- .bLength = sizeof(struct usb_dfu_descriptor),
- .bDescriptorType = DFU_FUNCTIONAL,
- .bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
- .wDetachTimeout = 255,
- .wTransferSize = 1024,
- .bcdDFUVersion = 0x011A,
-};
-
-const struct usb_interface_descriptor iface = {
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = 0,
- .bInterfaceClass = 0xFE, /* Device Firmware Upgrade */
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 2,
-
- /* The ST Microelectronics DfuSe application needs this string.
- * The format isn't documented... */
- .iInterface = 4,
-
- .extra = &dfu_function,
- .extralen = sizeof(dfu_function),
-};
-
-const struct usb_interface ifaces[] = {{
- .num_altsetting = 1,
- .altsetting = &iface,
-}};
-
-const struct usb_config_descriptor config = {
- .bLength = USB_DT_CONFIGURATION_SIZE,
- .bDescriptorType = USB_DT_CONFIGURATION,
- .wTotalLength = 0,
- .bNumInterfaces = 1,
- .bConfigurationValue = 1,
- .iConfiguration = 0,
- .bmAttributes = 0xC0,
- .bMaxPower = 0x32,
-
- .interface = ifaces,
-};
-
-static const char *usb_strings[] = {
- "x",
- "Black Sphere Technologies",
- "DFU Demo",
- "DEMO",
- /* This string is used by ST Microelectronics' DfuSe utility */
- "@Internal Flash /0x08000000/8*001Ka,56*001Kg"
-};
-
-static u8 usbdfu_getstatus(u32 *bwPollTimeout)
-{
- switch(usbdfu_state) {
- case STATE_DFU_DNLOAD_SYNC:
- usbdfu_state = STATE_DFU_DNBUSY;
- *bwPollTimeout = 100;
- return DFU_STATUS_OK;
-
- case STATE_DFU_MANIFEST_SYNC:
- /* Device will reset when read is complete */
- usbdfu_state = STATE_DFU_MANIFEST;
- return DFU_STATUS_OK;
-
- default:
- return DFU_STATUS_OK;
- }
-}
-
-static void usbdfu_getstatus_complete(struct usb_setup_data *req)
-{
- int i;
- (void)req;
-
- switch(usbdfu_state) {
- case STATE_DFU_DNBUSY:
-
- flash_unlock();
- if(prog.blocknum == 0) {
- switch(prog.buf[0]) {
- case CMD_ERASE:
- flash_erase_page(*(u32*)(prog.buf+1));
- case CMD_SETADDR:
- prog.addr = *(u32*)(prog.buf+1);
- }
- } else {
- u32 baseaddr = prog.addr +
- ((prog.blocknum - 2) *
- dfu_function.wTransferSize);
- for(i = 0; i < prog.len; i += 2)
- flash_program_half_word(baseaddr + i,
- *(u16*)(prog.buf+i));
- }
- flash_lock();
-
- /* We jump straight to dfuDNLOAD-IDLE,
- * skipping dfuDNLOAD-SYNC
- */
- usbdfu_state = STATE_DFU_DNLOAD_IDLE;
- return;
-
- case STATE_DFU_MANIFEST:
- /* USB device must detach, we just reset... */
- scb_reset_system();
- return; /* Will never return */
- default:
- return;
- }
-}
-
-static int usbdfu_control_request(struct usb_setup_data *req, u8 **buf,
- u16 *len, void (**complete)(struct usb_setup_data *req))
-{
-
- 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;
-}
-
-int main(void)
-{
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
- if(!gpio_get(GPIOA, GPIO10)) {
- /* Boot the application if it's valid */
- if((*(volatile u32*)APP_ADDRESS & 0x2FFE0000) == 0x20000000) {
- /* Set vector table base address */
- SCB_VTOR = APP_ADDRESS & 0xFFFF;
- /* Initialise master stack pointer */
- asm volatile ("msr msp, %0"::"g"
- (*(volatile u32*)APP_ADDRESS));
- /* Jump to application */
- (*(void(**)())(APP_ADDRESS + 4))();
- }
- }
-
- rcc_clock_setup_in_hsi_out_48mhz();
-
- rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
-
- AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON;
- gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
-
- usbd_init(&dev, &config, usb_strings);
- usbd_set_control_buffer_size(sizeof(usbd_control_buffer));
- usbd_register_control_callback(
- USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
- USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
- usbdfu_control_request);
-
- gpio_set(GPIOA, GPIO15);
- gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
-
- while (1)
- usbd_poll();
-}