From c654b2199a076da59e5cc71009c9d26ba9dbdeae Mon Sep 17 00:00:00 2001 From: Piotr Esden-Tempski Date: Tue, 21 Feb 2012 13:51:56 -0800 Subject: Renamed current lisa-m tests to lisa-m-1 as it differs a bit from v2. --- examples/stm32/f1/lisa-m-1/usb_hid/Makefile | 25 ++ examples/stm32/f1/lisa-m-1/usb_hid/README | 7 + examples/stm32/f1/lisa-m-1/usb_hid/adxl345.h | 38 +++ examples/stm32/f1/lisa-m-1/usb_hid/usbhid.c | 361 +++++++++++++++++++++++++++ 4 files changed, 431 insertions(+) create mode 100644 examples/stm32/f1/lisa-m-1/usb_hid/Makefile create mode 100644 examples/stm32/f1/lisa-m-1/usb_hid/README create mode 100644 examples/stm32/f1/lisa-m-1/usb_hid/adxl345.h create mode 100644 examples/stm32/f1/lisa-m-1/usb_hid/usbhid.c (limited to 'examples/stm32/f1/lisa-m-1/usb_hid') diff --git a/examples/stm32/f1/lisa-m-1/usb_hid/Makefile b/examples/stm32/f1/lisa-m-1/usb_hid/Makefile new file mode 100644 index 0000000..15d3391 --- /dev/null +++ b/examples/stm32/f1/lisa-m-1/usb_hid/Makefile @@ -0,0 +1,25 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## +## 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 . +## + +BINARY = usbhid + +LDSCRIPT = ../lisa-m.ld + +include ../../Makefile.include + diff --git a/examples/stm32/f1/lisa-m-1/usb_hid/README b/examples/stm32/f1/lisa-m-1/usb_hid/README new file mode 100644 index 0000000..92645c9 --- /dev/null +++ b/examples/stm32/f1/lisa-m-1/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/f1/lisa-m-1/usb_hid/adxl345.h b/examples/stm32/f1/lisa-m-1/usb_hid/adxl345.h new file mode 100644 index 0000000..a9720c4 --- /dev/null +++ b/examples/stm32/f1/lisa-m-1/usb_hid/adxl345.h @@ -0,0 +1,38 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2011 Gareth McMullin + * + * 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 . + */ + +#ifndef __ADXL345_H +#define __ADXL345_H + +/* Register addresses */ +#define ADXL345_DEVID 0x00 +#define ADXL345_POWER_CTL 0x2D +#define ADXL345_DATA_FORMAT 0x31 +#define ADXL345_DATAX0 0x32 +#define ADXL345_DATAX1 0x33 +#define ADXL345_DATAY0 0x34 +#define ADXL345_DATAY1 0x35 +#define ADXL345_DATAZ0 0x36 +#define ADXL345_DATAZ1 0x37 + +#define ADXL345_POWER_CTL_MEASURE (1 << 3) +#define ADXL345_DATA_FORMAT_LALIGN (1 << 2) + +#endif + diff --git a/examples/stm32/f1/lisa-m-1/usb_hid/usbhid.c b/examples/stm32/f1/lisa-m-1/usb_hid/usbhid.c new file mode 100644 index 0000000..54c1538 --- /dev/null +++ b/examples/stm32/f1/lisa-m-1/usb_hid/usbhid.c @@ -0,0 +1,361 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Gareth McMullin + * Copyright (C) 2011 Piotr Esden-Tempski + * + * 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 . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "adxl345.h" + +/* Define this to include the DFU APP interface. */ +#define INCLUDE_DFU_INTERFACE + +#ifdef INCLUDE_DFU_INTERFACE +#include +#include +#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 = 0x02, +}; + +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(); +} + +static u8 spi_readwrite(u32 spi, u8 data) +{ + while (SPI_SR(spi) & SPI_SR_BSY) + ; + SPI_DR(spi) = data; + while (!(SPI_SR(spi) & SPI_SR_RXNE)) + ; + return SPI_DR(spi); +} + +static u8 accel_read(u8 addr) +{ + u8 ret; + gpio_clear(GPIOB, GPIO12); + spi_readwrite(SPI2, addr | 0x80); + ret = spi_readwrite(SPI2, 0); + gpio_set(GPIOB, GPIO12); + return ret; +} + +static void accel_write(u8 addr, u8 data) +{ + gpio_clear(GPIOB, GPIO12); + spi_readwrite(SPI2, addr); + spi_readwrite(SPI2, data); + gpio_set(GPIOB, GPIO12); +} + +static void accel_get(s16 *x, s16 *y, s16 *z) +{ + if (x) + *x = accel_read(ADXL345_DATAX0) | + (accel_read(ADXL345_DATAX1) << 8); + if (y) + *y = accel_read(ADXL345_DATAY0) | + (accel_read(ADXL345_DATAY1) << 8); + if (z) + *z = accel_read(ADXL345_DATAZ0) | + (accel_read(ADXL345_DATAZ1) << 8); +} + +int main(void) +{ + int i; + + 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_IOPBEN); + rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN); + rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN); + rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN); + + /* Configure SPI2: PB13(SCK), PB14(MISO), PB15(MOSI). */ + gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_10_MHZ, + GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, + GPIO_SPI2_SCK | GPIO_SPI2_MOSI); + gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, + GPIO_SPI2_MISO); + /* Enable CS pin on PB12. */ + gpio_set(GPIOB, GPIO12); + gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_10_MHZ, + GPIO_CNF_OUTPUT_PUSHPULL, GPIO12); + + /* Force to SPI mode. This should be default after reset! */ + SPI2_I2SCFGR = 0; + spi_init_master(SPI2, + SPI_CR1_BAUDRATE_FPCLK_DIV_256, + SPI_CR1_CPOL_CLK_TO_1_WHEN_IDLE, + SPI_CR1_CPHA_CLK_TRANSITION_2, + SPI_CR1_DFF_8BIT, + SPI_CR1_MSBFIRST); + /* Ignore the stupid NSS pin. */ + spi_enable_software_slave_management(SPI2); + spi_set_nss_high(SPI2); + spi_enable(SPI2); + + (void)accel_read(ADXL345_DEVID); + accel_write(ADXL345_POWER_CTL, ADXL345_POWER_CTL_MEASURE); + accel_write(ADXL345_DATA_FORMAT, ADXL345_DATA_FORMAT_LALIGN); + + /* 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. */ + 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) +{ + s16 x, y; + u8 buf[4] = {0, 0, 0, 0}; + + accel_get(&x, &y, NULL); + buf[1] = x >> 9; + buf[2] = y >> 9; + + usbd_ep_write_packet(0x81, buf, 4); +} -- cgit v1.2.3