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-rw-r--r--examples/stm32/lisa-m/Makefile39
-rw-r--r--examples/stm32/lisa-m/usb_dfu/Makefile23
-rw-r--r--examples/stm32/lisa-m/usb_dfu/README7
-rw-r--r--examples/stm32/lisa-m/usb_dfu/usbdfu.c295
-rw-r--r--examples/stm32/lisa-m/usb_dfu/usbdfu.ld29
-rw-r--r--examples/stm32/lisa-m/usb_hid/Makefile23
-rw-r--r--examples/stm32/lisa-m/usb_hid/README7
-rw-r--r--examples/stm32/lisa-m/usb_hid/usbhid.c292
-rw-r--r--examples/stm32/lisa-m/usb_hid/usbhid.ld32
9 files changed, 747 insertions, 0 deletions
diff --git a/examples/stm32/lisa-m/Makefile b/examples/stm32/lisa-m/Makefile
new file mode 100644
index 0000000..e8065ee
--- /dev/null
+++ b/examples/stm32/lisa-m/Makefile
@@ -0,0 +1,39 @@
+##
+## This file is part of the libopenstm32 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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/>.
+##
+
+# Be silent per default, but 'make V=1' will show all compiler calls.
+ifneq ($(V),1)
+Q := @
+# Do not print "Entering directory ...".
+MAKEFLAGS += --no-print-directory
+endif
+
+# TODO: Add usb_dfu later, doesn't build at the moment.
+all: usb_hid
+
+usb_hid:
+ @printf " BUILD examples/lisa-m/usb_hid\n"
+ $(Q)$(MAKE) -C usb_hid
+
+clean:
+ @printf " CLEAN examples/lisa-m/usb_hid\n"
+ $(Q)$(MAKE) -C usb_hid clean
+
+.PHONY: usb_hid clean
+
diff --git a/examples/stm32/lisa-m/usb_dfu/Makefile b/examples/stm32/lisa-m/usb_dfu/Makefile
new file mode 100644
index 0000000..183b7c8
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_dfu/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopenstm32 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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/>.
+##
+
+BINARY = usbdfu
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/lisa-m/usb_dfu/README b/examples/stm32/lisa-m/usb_dfu/README
new file mode 100644
index 0000000..9c0169a
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_dfu/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example implements a USB Device Firmware Upgrade (DFU) bootloader
+to demonstrate the use of the USB device stack.
+
diff --git a/examples/stm32/lisa-m/usb_dfu/usbdfu.c b/examples/stm32/lisa-m/usb_dfu/usbdfu.c
new file mode 100644
index 0000000..0a6789d
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_dfu/usbdfu.c
@@ -0,0 +1,295 @@
+/*
+ * 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_command(struct usb_setup_data *req,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)complete;
+
+ if(req->bmRequestType != 0x21)
+ return 0; /* Only accept class request */
+
+ switch(req->bRequest) {
+ case DFU_DNLOAD:
+ usbdfu_state = STATE_DFU_MANIFEST_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;
+ }
+
+ return 0;
+}
+
+static int usbdfu_control_read(struct usb_setup_data *req, u8 **buf, u16 *len,
+ void (**complete)(struct usb_setup_data *req))
+{
+
+ if(req->bmRequestType != 0xA1)
+ return 0; /* Only accept class request */
+
+ switch(req->bRequest) {
+ 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;
+}
+
+static int usbdfu_control_write(struct usb_setup_data *req, u8 *buf, u16 len,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)complete;
+
+ if(req->bmRequestType != 0x21)
+ return 0; /* Only accept class request */
+
+ if(req->bRequest != DFU_DNLOAD)
+ return 0;
+
+ /* 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;
+}
+
+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_command_callback(usbdfu_control_command);
+ usbd_register_control_write_callback(usbdfu_control_write);
+ usbd_register_control_read_callback(usbdfu_control_read);
+
+ gpio_set(GPIOA, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ while (1)
+ usbd_poll();
+}
diff --git a/examples/stm32/lisa-m/usb_dfu/usbdfu.ld b/examples/stm32/lisa-m/usb_dfu/usbdfu.ld
new file mode 100644
index 0000000..d7cd0c5
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_dfu/usbdfu.ld
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the libopenstm32 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH =8K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 4K
+}
+
+/* Include the common ld script from libopenstm32. */
+INCLUDE libopenstm32.ld
+
diff --git a/examples/stm32/lisa-m/usb_hid/Makefile b/examples/stm32/lisa-m/usb_hid/Makefile
new file mode 100644
index 0000000..7967467
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_hid/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopenstm32 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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/>.
+##
+
+BINARY = usbhid
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/lisa-m/usb_hid/README b/examples/stm32/lisa-m/usb_hid/README
new file mode 100644
index 0000000..48a9b39
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_hid/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example implements a USB Human Interface Device (HID)
+to demonstrate the use of the USB device stack.
+
diff --git a/examples/stm32/lisa-m/usb_hid/usbhid.c b/examples/stm32/lisa-m/usb_hid/usbhid.c
new file mode 100644
index 0000000..1628503
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_hid/usbhid.c
@@ -0,0 +1,292 @@
+/*
+ * 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 <stdlib.h>
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
+#include <libopenstm32/systick.h>
+#include <usb/usbd.h>
+#include <usb/hid.h>
+
+/* Define this to include the DFU APP interface. */
+#define INCLUDE_DFU_INTERFACE
+
+#ifdef INCLUDE_DFU_INTERFACE
+#include <libopenstm32/scb.h>
+#include <usb/dfu.h>
+#endif
+
+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 = 0x5710,
+ .bcdDevice = 0x0200,
+ .iManufacturer = 1,
+ .iProduct = 2,
+ .iSerialNumber = 3,
+ .bNumConfigurations = 1,
+};
+
+/* I have no idea what this means. I haven't read the HID spec. */
+static const u8 hid_report_descriptor[] = {
+ 0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01,
+ 0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
+ 0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
+ 0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01,
+ 0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x09, 0x38,
+ 0x15, 0x81, 0x25, 0x7F, 0x75, 0x08, 0x95, 0x03,
+ 0x81, 0x06, 0xC0, 0x09, 0x3c, 0x05, 0xff, 0x09,
+ 0x01, 0x15, 0x00, 0x25, 0x01, 0x75, 0x01, 0x95,
+ 0x02, 0xb1, 0x22, 0x75, 0x06, 0x95, 0x01, 0xb1,
+ 0x01, 0xc0
+};
+
+static const struct {
+ struct usb_hid_descriptor hid_descriptor;
+ struct {
+ u8 bReportDescriptorType;
+ u16 wDescriptorLength;
+ } __attribute__((packed)) hid_report;
+} __attribute__((packed)) hid_function = {
+ .hid_descriptor = {
+ .bLength = sizeof(hid_function),
+ .bDescriptorType = USB_DT_HID,
+ .bcdHID = 0x0100,
+ .bCountryCode = 0,
+ .bNumDescriptors = 1,
+ },
+ .hid_report = {
+ .bReportDescriptorType = USB_DT_REPORT,
+ .wDescriptorLength = sizeof(hid_report_descriptor),
+ }
+};
+
+const struct usb_endpoint_descriptor hid_endpoint = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x81,
+ .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+ .wMaxPacketSize = 4,
+ .bInterval = 0x20,
+};
+
+const struct usb_interface_descriptor hid_iface = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_HID,
+ .bInterfaceSubClass = 1, /* boot */
+ .bInterfaceProtocol = 2, /* mouse */
+ .iInterface = 0,
+
+ .endpoint = &hid_endpoint,
+
+ .extra = &hid_function,
+ .extralen = sizeof(hid_function),
+};
+
+#ifdef INCLUDE_DFU_INTERFACE
+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 dfu_iface = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 1,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 0,
+ .bInterfaceClass = 0xFE,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 1,
+ .iInterface = 0,
+
+ .extra = &dfu_function,
+ .extralen = sizeof(dfu_function),
+};
+#endif
+
+const struct usb_interface ifaces[] = {{
+ .num_altsetting = 1,
+ .altsetting = &hid_iface,
+#ifdef INCLUDE_DFU_INTERFACE
+}, {
+ .num_altsetting = 1,
+ .altsetting = &dfu_iface,
+#endif
+}};
+
+const struct usb_config_descriptor config = {
+ .bLength = USB_DT_CONFIGURATION_SIZE,
+ .bDescriptorType = USB_DT_CONFIGURATION,
+ .wTotalLength = 0,
+#ifdef INCLUDE_DFU_INTERFACE
+ .bNumInterfaces = 2,
+#else
+ .bNumInterfaces = 1,
+#endif
+ .bConfigurationValue = 1,
+ .iConfiguration = 0,
+ .bmAttributes = 0xC0,
+ .bMaxPower = 0x32,
+
+ .interface = ifaces,
+};
+
+static const char *usb_strings[] = {
+ "x",
+ "Black Sphere Technologies",
+ "HID Demo",
+ "DEMO",
+};
+
+static int hid_control_request(struct usb_setup_data *req, u8 **buf, u16 *len,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)complete;
+
+ if((req->bmRequestType != 0x81) ||
+ (req->bRequest != USB_REQ_GET_DESCRIPTOR) ||
+ (req->wValue != 0x2200))
+ return 0;
+
+ /* Handle the HID report descriptor */
+ *buf = (u8*)hid_report_descriptor;
+ *len = sizeof(hid_report_descriptor);
+
+ return 1;
+}
+
+#ifdef INCLUDE_DFU_INTERFACE
+static void dfu_detach_complete(struct usb_setup_data *req)
+{
+ (void)req;
+
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
+ gpio_set(GPIOA, GPIO10);
+ scb_reset_core();
+}
+
+static int dfu_control_request(struct usb_setup_data *req, u8 **buf, u16 *len,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)buf;
+ (void)len;
+
+ if((req->bmRequestType != 0x21) || (req->bRequest != DFU_DETACH))
+ return 0; /* Only accept class request */
+
+ *complete = dfu_detach_complete;
+
+ return 1;
+}
+#endif
+
+static void hid_set_config(u16 wValue)
+{
+ (void)wValue;
+
+ usbd_ep_setup(0x81, USB_ENDPOINT_ATTR_INTERRUPT, 4, NULL);
+
+ usbd_register_control_callback(
+ USB_REQ_TYPE_STANDARD | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ hid_control_request);
+#ifdef INCLUDE_DFU_INTERFACE
+ usbd_register_control_callback(
+ USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ dfu_control_request);
+#endif
+
+ systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
+ systick_set_reload(100000);
+ systick_interrupt_enable();
+ systick_counter_enable();
+}
+
+int main(void)
+{
+ 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_IOPCEN);
+
+ /* USB_DETECT as input */
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT,
+ GPIO_CNF_INPUT_FLOAT, GPIO8);
+
+ /* disconnect USB_DISC, as output */
+ gpio_set(GPIOC, GPIO15);
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ /* green LED off, as output */
+ gpio_clear(GPIOC, GPIO13);
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
+
+
+ usbd_init(&dev, &config, usb_strings);
+ usbd_register_set_config_callback(hid_set_config);
+
+ /* delay some seconds to show that pull-up switch works */
+ {int i; for (i=0;i<0x800000;i++);}
+
+ /* wait for USB Vbus */
+ while(gpio_get(GPIOA, GPIO8) == 0);
+
+ /* green LED on, connect USB */
+ gpio_set(GPIOC, GPIO13);
+ gpio_clear(GPIOC, GPIO15);
+
+ while (1)
+ usbd_poll();
+}
+
+void sys_tick_handler(void)
+{
+ static int x = 0;
+ static int dir = 1;
+ u8 buf[4] = {0, 0, 0, 0};
+
+ buf[1] = dir;
+ x += dir;
+ if(x > 30) dir = -dir;
+ if(x < -30) dir = -dir;
+
+ usbd_ep_write_packet(0x81, buf, 4);
+}
diff --git a/examples/stm32/lisa-m/usb_hid/usbhid.ld b/examples/stm32/lisa-m/usb_hid/usbhid.ld
new file mode 100644
index 0000000..a393e0b
--- /dev/null
+++ b/examples/stm32/lisa-m/usb_hid/usbhid.ld
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the libopenstm32 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+
+/* Include the common ld script from libopenstm32. */
+INCLUDE libopenstm32.ld
+