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Rename F1 examples folder.

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This commit is contained in:
Fergus Noble
2011-09-15 01:20:45 -07:00
committed by Stephen Caudle
parent ce7dd46aef
commit cff706e3ca
173 changed files with 127 additions and 0 deletions
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23
examples/stm32f1/lisa-m/fancyblink/Makefile Normal file
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##
## This file is part of the libopencm3 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 = fancyblink
include ../../Makefile.include

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examples/stm32f1/lisa-m/fancyblink/fancyblink.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* 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 <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
/* Set STM32 to 72 MHz. */
void clock_setup(void)
{
rcc_clock_setup_in_hse_12mhz_out_72mhz();
/* Enable GPIOC clock. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
}
void gpio_setup(void)
{
/* Set GPIO12 (in GPIO port C) to 'output push-pull'. */
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO4);
AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_FULL_SWJ_NO_JNTRST;
/* preconfigure the led's */
gpio_set(GPIOB, GPIO4); /* switch off led */
gpio_clear(GPIOC, GPIO13); /* switch on led */
}
int main(void)
{
int i;
clock_setup();
gpio_setup();
/* Blink the LED (PC12) on the board. */
while (1) {
gpio_toggle(GPIOC, GPIO13); /* LED on/off */
gpio_toggle(GPIOB, GPIO4); /* LED on/off */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}

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examples/stm32f1/lisa-m/fancyblink/fancyblink.ld Normal file
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/*
* This file is part of the libopencm3 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/>.
*/
/* 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. */
INCLUDE libopencm3_stm32.ld

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examples/stm32f1/lisa-m/usb_dfu/Makefile Normal file
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##
## This file is part of the libopencm3 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

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examples/stm32f1/lisa-m/usb_dfu/README Normal file
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------------------------------------------------------------------------------
README
------------------------------------------------------------------------------
This example implements a USB Device Firmware Upgrade (DFU) bootloader
to demonstrate the use of the USB device stack.

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examples/stm32f1/lisa-m/usb_dfu/usbdfu.c Normal file
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/*
* This file is part of the libopencm3 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 <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/scb.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/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_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(&stm32f103_usb_driver, &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();
}

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examples/stm32f1/lisa-m/usb_dfu/usbdfu.ld Normal file
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/*
* This file is part of the libopencm3 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. */
INCLUDE libopencm3_stm32.ld

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examples/stm32f1/lisa-m/usb_hid/Makefile Normal file
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##
## This file is part of the libopencm3 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

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examples/stm32f1/lisa-m/usb_hid/README Normal file
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------------------------------------------------------------------------------
README
------------------------------------------------------------------------------
This example implements a USB Human Interface Device (HID)
to demonstrate the use of the USB device stack.

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examples/stm32f1/lisa-m/usb_hid/usbhid.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* 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 <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/systick.h>
#include <libopencm3/stm32/otg_fs.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/hid.h>
/* Define this to include the DFU APP interface. */
#define INCLUDE_DFU_INTERFACE
#ifdef INCLUDE_DFU_INTERFACE
#include <libopencm3/stm32/scb.h>
#include <libopencm3/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)
{
int usb_connect_blink = 0;
rcc_clock_setup_in_hse_12mhz_out_72mhz();
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);
/* green LED off, as output */
gpio_set(GPIOC, GPIO2);
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO2);
usbd_init(&stm32f107_usb_driver, &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++) asm("nop");}
/* wait for USB Vbus */
while(gpio_get(GPIOA, GPIO8) == 0) asm("nop");
/* green LED on, connect USB */
gpio_clear(GPIOC, GPIO2);
//OTG_FS_GCCFG &= ~OTG_FS_GCCFG_VBUSBSEN;
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);
}

31
examples/stm32f1/lisa-m/usb_hid/usbhid.ld Normal file
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@@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 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. */
INCLUDE libopencm3_stm32.ld