Move (now-constant) cdcacm.c to platforms/stm32
This commit is contained in:
Uwe Bonnes
parent
04415582bd
commit
30d8aa1eb7
|
|
@ -1,579 +0,0 @@
|
|||
/*
|
||||
* This file is part of the Black Magic Debug project.
|
||||
*
|
||||
* Copyright (C) 2011 Black Sphere Technologies Ltd.
|
||||
* Written by 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/>.
|
||||
*/
|
||||
|
||||
/* This file implements a the USB Communications Device Class - Abstract
|
||||
* Control Model (CDC-ACM) as defined in CDC PSTN subclass 1.2.
|
||||
* A Device Firmware Upgrade (DFU 1.1) class interface is provided for
|
||||
* field firmware upgrade.
|
||||
*
|
||||
* The device's unique id is used as the USB serial number string.
|
||||
*/
|
||||
|
||||
#include <libopencm3/stm32/f1/rcc.h>
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
#include <libopencm3/stm32/f1/gpio.h>
|
||||
#include <libopencm3/usb/usbd.h>
|
||||
#include <libopencm3/usb/cdc.h>
|
||||
#include <libopencm3/cm3/scb.h>
|
||||
#include <libopencm3/usb/dfu.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "platform.h"
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
#include "traceswo.h"
|
||||
#endif
|
||||
#include <usbuart.h>
|
||||
|
||||
#define DFU_IF_NO 4
|
||||
|
||||
usbd_device * usbdev;
|
||||
|
||||
static char *get_dev_unique_id(char *serial_no);
|
||||
|
||||
static int configured;
|
||||
static int cdcacm_gdb_dtr = 1;
|
||||
|
||||
|
||||
static const struct usb_device_descriptor dev = {
|
||||
.bLength = USB_DT_DEVICE_SIZE,
|
||||
.bDescriptorType = USB_DT_DEVICE,
|
||||
.bcdUSB = 0x0200,
|
||||
.bDeviceClass = 0xEF, /* Miscellaneous Device */
|
||||
.bDeviceSubClass = 2, /* Common Class */
|
||||
.bDeviceProtocol = 1, /* Interface Association */
|
||||
.bMaxPacketSize0 = 64,
|
||||
.idVendor = 0x1D50,
|
||||
.idProduct = 0x6018,
|
||||
.bcdDevice = 0x0100,
|
||||
.iManufacturer = 1,
|
||||
.iProduct = 2,
|
||||
.iSerialNumber = 3,
|
||||
.bNumConfigurations = 1,
|
||||
};
|
||||
|
||||
/* This notification endpoint isn't implemented. According to CDC spec its
|
||||
* optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
|
||||
* driver. */
|
||||
static const struct usb_endpoint_descriptor gdb_comm_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x82,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
|
||||
.wMaxPacketSize = 16,
|
||||
.bInterval = 255,
|
||||
}};
|
||||
|
||||
static const struct usb_endpoint_descriptor gdb_data_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x01,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
|
||||
.wMaxPacketSize = CDCACM_PACKET_SIZE,
|
||||
.bInterval = 1,
|
||||
}, {
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x81,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
|
||||
.wMaxPacketSize = CDCACM_PACKET_SIZE,
|
||||
.bInterval = 1,
|
||||
}};
|
||||
|
||||
static const struct {
|
||||
struct usb_cdc_header_descriptor header;
|
||||
struct usb_cdc_call_management_descriptor call_mgmt;
|
||||
struct usb_cdc_acm_descriptor acm;
|
||||
struct usb_cdc_union_descriptor cdc_union;
|
||||
} __attribute__((packed)) gdb_cdcacm_functional_descriptors = {
|
||||
.header = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_HEADER,
|
||||
.bcdCDC = 0x0110,
|
||||
},
|
||||
.call_mgmt = {
|
||||
.bFunctionLength =
|
||||
sizeof(struct usb_cdc_call_management_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
|
||||
.bmCapabilities = 0,
|
||||
.bDataInterface = 1,
|
||||
},
|
||||
.acm = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_ACM,
|
||||
.bmCapabilities = 2, /* SET_LINE_CODING supported */
|
||||
},
|
||||
.cdc_union = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_UNION,
|
||||
.bControlInterface = 0,
|
||||
.bSubordinateInterface0 = 1,
|
||||
}
|
||||
};
|
||||
|
||||
static const struct usb_interface_descriptor gdb_comm_iface[] = {{
|
||||
.bLength = USB_DT_INTERFACE_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE,
|
||||
.bInterfaceNumber = 0,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 1,
|
||||
.bInterfaceClass = USB_CLASS_CDC,
|
||||
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
|
||||
.bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
|
||||
.iInterface = 4,
|
||||
|
||||
.endpoint = gdb_comm_endp,
|
||||
|
||||
.extra = &gdb_cdcacm_functional_descriptors,
|
||||
.extralen = sizeof(gdb_cdcacm_functional_descriptors)
|
||||
}};
|
||||
|
||||
static const struct usb_interface_descriptor gdb_data_iface[] = {{
|
||||
.bLength = USB_DT_INTERFACE_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE,
|
||||
.bInterfaceNumber = 1,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 2,
|
||||
.bInterfaceClass = USB_CLASS_DATA,
|
||||
.bInterfaceSubClass = 0,
|
||||
.bInterfaceProtocol = 0,
|
||||
.iInterface = 0,
|
||||
|
||||
.endpoint = gdb_data_endp,
|
||||
}};
|
||||
|
||||
static const struct usb_iface_assoc_descriptor gdb_assoc = {
|
||||
.bLength = USB_DT_INTERFACE_ASSOCIATION_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
|
||||
.bFirstInterface = 0,
|
||||
.bInterfaceCount = 2,
|
||||
.bFunctionClass = USB_CLASS_CDC,
|
||||
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
|
||||
.bFunctionProtocol = USB_CDC_PROTOCOL_AT,
|
||||
.iFunction = 0,
|
||||
};
|
||||
|
||||
/* Serial ACM interface */
|
||||
static const struct usb_endpoint_descriptor uart_comm_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x84,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
|
||||
.wMaxPacketSize = 16,
|
||||
.bInterval = 255,
|
||||
}};
|
||||
|
||||
static const struct usb_endpoint_descriptor uart_data_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x03,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
|
||||
.wMaxPacketSize = CDCACM_PACKET_SIZE,
|
||||
.bInterval = 1,
|
||||
}, {
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x83,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
|
||||
.wMaxPacketSize = CDCACM_PACKET_SIZE,
|
||||
.bInterval = 1,
|
||||
}};
|
||||
|
||||
static const struct {
|
||||
struct usb_cdc_header_descriptor header;
|
||||
struct usb_cdc_call_management_descriptor call_mgmt;
|
||||
struct usb_cdc_acm_descriptor acm;
|
||||
struct usb_cdc_union_descriptor cdc_union;
|
||||
} __attribute__((packed)) uart_cdcacm_functional_descriptors = {
|
||||
.header = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_HEADER,
|
||||
.bcdCDC = 0x0110,
|
||||
},
|
||||
.call_mgmt = {
|
||||
.bFunctionLength =
|
||||
sizeof(struct usb_cdc_call_management_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
|
||||
.bmCapabilities = 0,
|
||||
.bDataInterface = 3,
|
||||
},
|
||||
.acm = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_ACM,
|
||||
.bmCapabilities = 2, /* SET_LINE_CODING supported*/
|
||||
},
|
||||
.cdc_union = {
|
||||
.bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_UNION,
|
||||
.bControlInterface = 2,
|
||||
.bSubordinateInterface0 = 3,
|
||||
}
|
||||
};
|
||||
|
||||
static const struct usb_interface_descriptor uart_comm_iface[] = {{
|
||||
.bLength = USB_DT_INTERFACE_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE,
|
||||
.bInterfaceNumber = 2,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 1,
|
||||
.bInterfaceClass = USB_CLASS_CDC,
|
||||
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
|
||||
.bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
|
||||
.iInterface = 5,
|
||||
|
||||
.endpoint = uart_comm_endp,
|
||||
|
||||
.extra = &uart_cdcacm_functional_descriptors,
|
||||
.extralen = sizeof(uart_cdcacm_functional_descriptors)
|
||||
}};
|
||||
|
||||
static const struct usb_interface_descriptor uart_data_iface[] = {{
|
||||
.bLength = USB_DT_INTERFACE_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE,
|
||||
.bInterfaceNumber = 3,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 2,
|
||||
.bInterfaceClass = USB_CLASS_DATA,
|
||||
.bInterfaceSubClass = 0,
|
||||
.bInterfaceProtocol = 0,
|
||||
.iInterface = 0,
|
||||
|
||||
.endpoint = uart_data_endp,
|
||||
}};
|
||||
|
||||
static const struct usb_iface_assoc_descriptor uart_assoc = {
|
||||
.bLength = USB_DT_INTERFACE_ASSOCIATION_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
|
||||
.bFirstInterface = 2,
|
||||
.bInterfaceCount = 2,
|
||||
.bFunctionClass = USB_CLASS_CDC,
|
||||
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
|
||||
.bFunctionProtocol = USB_CDC_PROTOCOL_AT,
|
||||
.iFunction = 0,
|
||||
};
|
||||
|
||||
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 = DFU_IF_NO,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 0,
|
||||
.bInterfaceClass = 0xFE,
|
||||
.bInterfaceSubClass = 1,
|
||||
.bInterfaceProtocol = 1,
|
||||
.iInterface = 6,
|
||||
|
||||
.extra = &dfu_function,
|
||||
.extralen = sizeof(dfu_function),
|
||||
};
|
||||
|
||||
static const struct usb_iface_assoc_descriptor dfu_assoc = {
|
||||
.bLength = USB_DT_INTERFACE_ASSOCIATION_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
|
||||
.bFirstInterface = 4,
|
||||
.bInterfaceCount = 1,
|
||||
.bFunctionClass = 0xFE,
|
||||
.bFunctionSubClass = 1,
|
||||
.bFunctionProtocol = 1,
|
||||
.iFunction = 6,
|
||||
};
|
||||
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
static const struct usb_endpoint_descriptor trace_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
.bDescriptorType = USB_DT_ENDPOINT,
|
||||
.bEndpointAddress = 0x85,
|
||||
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
|
||||
.wMaxPacketSize = 64,
|
||||
.bInterval = 0,
|
||||
}};
|
||||
|
||||
const struct usb_interface_descriptor trace_iface = {
|
||||
.bLength = USB_DT_INTERFACE_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE,
|
||||
.bInterfaceNumber = 5,
|
||||
.bAlternateSetting = 0,
|
||||
.bNumEndpoints = 1,
|
||||
.bInterfaceClass = 0xFF,
|
||||
.bInterfaceSubClass = 0xFF,
|
||||
.bInterfaceProtocol = 0xFF,
|
||||
.iInterface = 7,
|
||||
|
||||
.endpoint = trace_endp,
|
||||
};
|
||||
|
||||
static const struct usb_iface_assoc_descriptor trace_assoc = {
|
||||
.bLength = USB_DT_INTERFACE_ASSOCIATION_SIZE,
|
||||
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
|
||||
.bFirstInterface = 5,
|
||||
.bInterfaceCount = 1,
|
||||
.bFunctionClass = 0xFF,
|
||||
.bFunctionSubClass = 0xFF,
|
||||
.bFunctionProtocol = 0xFF,
|
||||
.iFunction = 7,
|
||||
};
|
||||
#endif
|
||||
|
||||
static const struct usb_interface ifaces[] = {{
|
||||
.num_altsetting = 1,
|
||||
.iface_assoc = &gdb_assoc,
|
||||
.altsetting = gdb_comm_iface,
|
||||
}, {
|
||||
.num_altsetting = 1,
|
||||
.altsetting = gdb_data_iface,
|
||||
}, {
|
||||
.num_altsetting = 1,
|
||||
.iface_assoc = &uart_assoc,
|
||||
.altsetting = uart_comm_iface,
|
||||
}, {
|
||||
.num_altsetting = 1,
|
||||
.altsetting = uart_data_iface,
|
||||
}, {
|
||||
.num_altsetting = 1,
|
||||
.iface_assoc = &dfu_assoc,
|
||||
.altsetting = &dfu_iface,
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
}, {
|
||||
.num_altsetting = 1,
|
||||
.iface_assoc = &trace_assoc,
|
||||
.altsetting = &trace_iface,
|
||||
#endif
|
||||
}};
|
||||
|
||||
static const struct usb_config_descriptor config = {
|
||||
.bLength = USB_DT_CONFIGURATION_SIZE,
|
||||
.bDescriptorType = USB_DT_CONFIGURATION,
|
||||
.wTotalLength = 0,
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
.bNumInterfaces = 6,
|
||||
#else
|
||||
.bNumInterfaces = 5,
|
||||
#endif
|
||||
.bConfigurationValue = 1,
|
||||
.iConfiguration = 0,
|
||||
.bmAttributes = 0x80,
|
||||
.bMaxPower = 0x32,
|
||||
|
||||
.interface = ifaces,
|
||||
};
|
||||
|
||||
char serial_no[9];
|
||||
|
||||
static const char *usb_strings[] = {
|
||||
"Black Sphere Technologies",
|
||||
"Black Magic Probe",
|
||||
serial_no,
|
||||
"Black Magic GDB Server",
|
||||
"Black Magic UART Port",
|
||||
"Black Magic Firmware Upgrade",
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
"Black Magic Trace Capture",
|
||||
#endif
|
||||
};
|
||||
|
||||
static void dfu_detach_complete(usbd_device *dev, struct usb_setup_data *req)
|
||||
{
|
||||
(void)dev;
|
||||
(void)req;
|
||||
|
||||
/* Disconnect USB cable */
|
||||
disconnect_usb();
|
||||
|
||||
/* Assert boot-request pin */
|
||||
assert_boot_pin();
|
||||
|
||||
/* Reset core to enter bootloader */
|
||||
scb_reset_core();
|
||||
}
|
||||
|
||||
static int cdcacm_control_request(usbd_device *dev,
|
||||
struct usb_setup_data *req, uint8_t **buf, uint16_t *len,
|
||||
void (**complete)(usbd_device *dev, struct usb_setup_data *req))
|
||||
{
|
||||
(void)dev;
|
||||
(void)complete;
|
||||
(void)buf;
|
||||
(void)len;
|
||||
|
||||
switch(req->bRequest) {
|
||||
case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
|
||||
/* Ignore if not for GDB interface */
|
||||
if(req->wIndex != 0)
|
||||
return 1;
|
||||
|
||||
cdcacm_gdb_dtr = req->wValue & 1;
|
||||
|
||||
return 1;
|
||||
case USB_CDC_REQ_SET_LINE_CODING:
|
||||
if(*len < sizeof(struct usb_cdc_line_coding))
|
||||
return 0;
|
||||
|
||||
switch(req->wIndex) {
|
||||
case 2:
|
||||
usbuart_set_line_coding((struct usb_cdc_line_coding*)*buf);
|
||||
case 0:
|
||||
return 1; /* Ignore on GDB Port */
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
case DFU_GETSTATUS:
|
||||
if(req->wIndex == DFU_IF_NO) {
|
||||
(*buf)[0] = DFU_STATUS_OK;
|
||||
(*buf)[1] = 0;
|
||||
(*buf)[2] = 0;
|
||||
(*buf)[3] = 0;
|
||||
(*buf)[4] = STATE_APP_IDLE;
|
||||
(*buf)[5] = 0; /* iString not used here */
|
||||
*len = 6;
|
||||
|
||||
return 1;
|
||||
}
|
||||
case DFU_DETACH:
|
||||
if(req->wIndex == DFU_IF_NO) {
|
||||
*complete = dfu_detach_complete;
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cdcacm_get_config(void)
|
||||
{
|
||||
return configured;
|
||||
}
|
||||
|
||||
int cdcacm_get_dtr(void)
|
||||
{
|
||||
return cdcacm_gdb_dtr;
|
||||
}
|
||||
|
||||
static void cdcacm_set_config(usbd_device *dev, u16 wValue)
|
||||
{
|
||||
configured = wValue;
|
||||
|
||||
/* GDB interface */
|
||||
usbd_ep_setup(dev, 0x01, USB_ENDPOINT_ATTR_BULK,
|
||||
CDCACM_PACKET_SIZE, NULL);
|
||||
usbd_ep_setup(dev, 0x81, USB_ENDPOINT_ATTR_BULK,
|
||||
CDCACM_PACKET_SIZE, NULL);
|
||||
usbd_ep_setup(dev, 0x82, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
|
||||
|
||||
/* Serial interface */
|
||||
usbd_ep_setup(dev, 0x03, USB_ENDPOINT_ATTR_BULK,
|
||||
CDCACM_PACKET_SIZE, usbuart_usb_out_cb);
|
||||
usbd_ep_setup(dev, 0x83, USB_ENDPOINT_ATTR_BULK,
|
||||
CDCACM_PACKET_SIZE, usbuart_usb_in_cb);
|
||||
usbd_ep_setup(dev, 0x84, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
|
||||
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
/* Trace interface */
|
||||
usbd_ep_setup(dev, 0x85, USB_ENDPOINT_ATTR_BULK,
|
||||
64, trace_buf_drain);
|
||||
#endif
|
||||
|
||||
usbd_register_control_callback(dev,
|
||||
USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
|
||||
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
|
||||
cdcacm_control_request);
|
||||
|
||||
/* Notify the host that DCD is asserted.
|
||||
* Allows the use of /dev/tty* devices on *BSD/MacOS
|
||||
*/
|
||||
char buf[10];
|
||||
struct usb_cdc_notification *notif = (void*)buf;
|
||||
/* We echo signals back to host as notification */
|
||||
notif->bmRequestType = 0xA1;
|
||||
notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
|
||||
notif->wValue = 0;
|
||||
notif->wIndex = 0;
|
||||
notif->wLength = 2;
|
||||
buf[8] = 3; /* DCD | DSR */
|
||||
buf[9] = 0;
|
||||
usbd_ep_write_packet(dev, 0x82, buf, 10);
|
||||
notif->wIndex = 2;
|
||||
usbd_ep_write_packet(dev, 0x84, buf, 10);
|
||||
}
|
||||
|
||||
/* We need a special large control buffer for this device: */
|
||||
uint8_t usbd_control_buffer[256];
|
||||
|
||||
void cdcacm_init(void)
|
||||
{
|
||||
void exti15_10_isr(void);
|
||||
|
||||
get_dev_unique_id(serial_no);
|
||||
|
||||
usbdev = usbd_init(&stm32f103_usb_driver,
|
||||
#if defined(PLATFORM_HAS_TRACESWO)
|
||||
&dev, &config, usb_strings, 6
|
||||
#else
|
||||
&dev, &config, usb_strings, 7
|
||||
#endif
|
||||
);
|
||||
usbd_set_control_buffer_size(usbdev, sizeof(usbd_control_buffer));
|
||||
usbd_register_set_config_callback(usbdev, cdcacm_set_config);
|
||||
|
||||
nvic_set_priority(USB_IRQ, IRQ_PRI_USB);
|
||||
nvic_enable_irq(USB_IRQ);
|
||||
setup_vbus_irq();
|
||||
}
|
||||
|
||||
void usb_lp_can_rx0_isr(void)
|
||||
{
|
||||
usbd_poll(usbdev);
|
||||
}
|
||||
|
||||
static char *get_dev_unique_id(char *s)
|
||||
{
|
||||
volatile uint32_t *unique_id_p = (volatile uint32_t *)0x1FFFF7E8;
|
||||
uint32_t unique_id = *unique_id_p +
|
||||
*(unique_id_p + 1) +
|
||||
*(unique_id_p + 2);
|
||||
int i;
|
||||
|
||||
/* Fetch serial number from chip's unique ID */
|
||||
for(i = 0; i < 8; i++) {
|
||||
s[7-i] = ((unique_id >> (4*i)) & 0xF) + '0';
|
||||
}
|
||||
for(i = 0; i < 8; i++)
|
||||
if(s[i] > '9')
|
||||
s[i] += 'A' - '9' - 1;
|
||||
s[8] = 0;
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
|
|
@ -19,10 +19,10 @@
|
|||
*/
|
||||
|
||||
/* This file implements a the USB Communications Device Class - Abstract
|
||||
* Control Model (CDC-ACM) as defined in CDC PSTN subclass 1.2.
|
||||
* A Device Firmware Upgrade (DFU 1.1) class interface is provided for
|
||||
* Control Model (CDC-ACM) as defined in CDC PSTN subclass 1.2.
|
||||
* A Device Firmware Upgrade (DFU 1.1) class interface is provided for
|
||||
* field firmware upgrade.
|
||||
*
|
||||
*
|
||||
* The device's unique id is used as the USB serial number string.
|
||||
*/
|
||||
|
||||
|
|
@ -68,8 +68,8 @@ static const struct usb_device_descriptor dev = {
|
|||
.bNumConfigurations = 1,
|
||||
};
|
||||
|
||||
/* This notification endpoint isn't implemented. According to CDC spec its
|
||||
* optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
|
||||
/* This notification endpoint isn't implemented. According to CDC spec its
|
||||
* optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
|
||||
* driver. */
|
||||
static const struct usb_endpoint_descriptor gdb_comm_endp[] = {{
|
||||
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||
|
|
@ -109,7 +109,7 @@ static const struct {
|
|||
.bcdCDC = 0x0110,
|
||||
},
|
||||
.call_mgmt = {
|
||||
.bFunctionLength =
|
||||
.bFunctionLength =
|
||||
sizeof(struct usb_cdc_call_management_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
|
||||
|
|
@ -127,7 +127,7 @@ static const struct {
|
|||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_UNION,
|
||||
.bControlInterface = 0,
|
||||
.bSubordinateInterface0 = 1,
|
||||
.bSubordinateInterface0 = 1,
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -212,7 +212,7 @@ static const struct {
|
|||
.bcdCDC = 0x0110,
|
||||
},
|
||||
.call_mgmt = {
|
||||
.bFunctionLength =
|
||||
.bFunctionLength =
|
||||
sizeof(struct usb_cdc_call_management_descriptor),
|
||||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
|
||||
|
|
@ -230,7 +230,7 @@ static const struct {
|
|||
.bDescriptorType = CS_INTERFACE,
|
||||
.bDescriptorSubtype = USB_CDC_TYPE_UNION,
|
||||
.bControlInterface = 2,
|
||||
.bSubordinateInterface0 = 3,
|
||||
.bSubordinateInterface0 = 3,
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -429,7 +429,7 @@ static int cdcacm_control_request(usbd_device *dev,
|
|||
(void)len;
|
||||
|
||||
switch(req->bRequest) {
|
||||
case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
|
||||
case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
|
||||
/* Ignore if not for GDB interface */
|
||||
if(req->wIndex != 0)
|
||||
return 1;
|
||||
|
|
@ -437,8 +437,8 @@ static int cdcacm_control_request(usbd_device *dev,
|
|||
cdcacm_gdb_dtr = req->wValue & 1;
|
||||
|
||||
return 1;
|
||||
case USB_CDC_REQ_SET_LINE_CODING:
|
||||
if(*len < sizeof(struct usb_cdc_line_coding))
|
||||
case USB_CDC_REQ_SET_LINE_CODING:
|
||||
if(*len < sizeof(struct usb_cdc_line_coding))
|
||||
return 0;
|
||||
|
||||
switch(req->wIndex) {
|
||||
|
|
@ -449,7 +449,7 @@ static int cdcacm_control_request(usbd_device *dev,
|
|||
default:
|
||||
return 0;
|
||||
}
|
||||
case DFU_GETSTATUS:
|
||||
case DFU_GETSTATUS:
|
||||
if(req->wIndex == DFU_IF_NO) {
|
||||
(*buf)[0] = DFU_STATUS_OK;
|
||||
(*buf)[1] = 0;
|
||||
|
|
@ -551,7 +551,7 @@ void USB_ISR(void)
|
|||
usbd_poll(usbdev);
|
||||
}
|
||||
|
||||
static char *get_dev_unique_id(char *s)
|
||||
static char *get_dev_unique_id(char *s)
|
||||
{
|
||||
volatile uint32_t *unique_id_p = (volatile uint32_t *)0x1FFFF7E8;
|
||||
uint32_t unique_id = *unique_id_p +
|
||||
|
|
@ -564,10 +564,9 @@ static char *get_dev_unique_id(char *s)
|
|||
s[7-i] = ((unique_id >> (4*i)) & 0xF) + '0';
|
||||
}
|
||||
for(i = 0; i < 8; i++)
|
||||
if(s[i] > '9')
|
||||
if(s[i] > '9')
|
||||
s[i] += 'A' - '9' - 1;
|
||||
s[8] = 0;
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue