443 lines
16 KiB
C
443 lines
16 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
#include "hal.h"
|
|
|
|
/*
|
|
* Endpoints.
|
|
*/
|
|
#define USB_INTERRUPT_REQUEST_EP_A 1
|
|
#define USB_DATA_AVAILABLE_EP_A 2
|
|
#define USB_DATA_REQUEST_EP_A 2
|
|
#define USB_INTERRUPT_REQUEST_EP_B 3
|
|
#define USB_DATA_AVAILABLE_EP_B 4
|
|
#define USB_DATA_REQUEST_EP_B 4
|
|
|
|
/*
|
|
* Interfaces
|
|
*/
|
|
#define USB_NUM_INTERFACES 4
|
|
#define USB_CDC_CIF_NUM0 0
|
|
#define USB_CDC_DIF_NUM0 1
|
|
#define USB_CDC_CIF_NUM1 2
|
|
#define USB_CDC_DIF_NUM1 3
|
|
|
|
/*
|
|
* USB Device Descriptor.
|
|
*/
|
|
static const uint8_t vcom_device_descriptor_data[] = {
|
|
USB_DESC_DEVICE(
|
|
0x0110, /* bcdUSB (1.1). */
|
|
0xEF, /* bDeviceClass (misc). */
|
|
0x02, /* bDeviceSubClass (common). */
|
|
0x01, /* bDeviceProtocol (IAD). */
|
|
0x40, /* bMaxPacketSize. */
|
|
0x0483, /* idVendor (ST). */
|
|
0x5740, /* idProduct. */
|
|
0x0200, /* bcdDevice. */
|
|
1, /* iManufacturer. */
|
|
2, /* iProduct. */
|
|
3, /* iSerialNumber. */
|
|
1) /* bNumConfigurations. */
|
|
};
|
|
|
|
/*
|
|
* Device Descriptor wrapper.
|
|
*/
|
|
static const USBDescriptor vcom_device_descriptor = {
|
|
sizeof vcom_device_descriptor_data,
|
|
vcom_device_descriptor_data
|
|
};
|
|
|
|
#define CDC_IF_DESC_SET_SIZE \
|
|
(USB_DESC_INTERFACE_SIZE + 5 + 5 + 4 + 5 + USB_DESC_ENDPOINT_SIZE + \
|
|
USB_DESC_INTERFACE_SIZE + (USB_DESC_ENDPOINT_SIZE * 2))
|
|
|
|
#define CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp) \
|
|
/* Interface Descriptor.*/ \
|
|
USB_DESC_INTERFACE( \
|
|
0x00, /* bInterfaceNumber. */ \
|
|
0x00, /* bAlternateSetting. */ \
|
|
0x01, /* bNumEndpoints. */ \
|
|
CDC_COMMUNICATION_INTERFACE_CLASS, /* bInterfaceClass. */ \
|
|
CDC_ABSTRACT_CONTROL_MODEL, /* bInterfaceSubClass. */ \
|
|
0x01, /* bInterfaceProtocol (AT
|
|
commands, CDC section
|
|
4.4). */ \
|
|
0), /* iInterface. */ \
|
|
/* Header Functional Descriptor (CDC section 5.2.3).*/ \
|
|
USB_DESC_BYTE (5), /* bLength. */ \
|
|
USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
|
|
USB_DESC_BYTE (CDC_HEADER), /* bDescriptorSubtype. */ \
|
|
USB_DESC_BCD (0x0110), /* bcdCDC. */ \
|
|
/* Call Management Functional Descriptor.*/ \
|
|
USB_DESC_BYTE (5), /* bFunctionLength. */ \
|
|
USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
|
|
USB_DESC_BYTE (CDC_CALL_MANAGEMENT), /* bDescriptorSubtype. */ \
|
|
USB_DESC_BYTE (0x03), /*******/ /* bmCapabilities. */ \
|
|
USB_DESC_BYTE (datIfNum), /* bDataInterface. */ \
|
|
/* Abstract Control Management Functional Descriptor.*/ \
|
|
USB_DESC_BYTE (4), /* bFunctionLength. */ \
|
|
USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
|
|
USB_DESC_BYTE (CDC_ABSTRACT_CONTROL_MANAGEMENT), \
|
|
USB_DESC_BYTE (0x02), /* bmCapabilities. */ \
|
|
/* Union Functional Descriptor.*/ \
|
|
USB_DESC_BYTE (5), /* bFunctionLength. */ \
|
|
USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
|
|
USB_DESC_BYTE (CDC_UNION), /* bDescriptorSubtype. */ \
|
|
USB_DESC_BYTE (comIfNum), /* bMasterInterface. */ \
|
|
USB_DESC_BYTE (datIfNum), /* bSlaveInterface. */ \
|
|
/* Endpoint, Interrupt IN.*/ \
|
|
USB_DESC_ENDPOINT ( \
|
|
comInEp, \
|
|
USB_EP_MODE_TYPE_INTR, /* bmAttributes. */ \
|
|
0x0010, /* wMaxPacketSize. */ \
|
|
0x01), /*******/ /* bInterval. */ \
|
|
\
|
|
/* CDC Data Interface Descriptor.*/ \
|
|
USB_DESC_INTERFACE( \
|
|
datIfNum, /* bInterfaceNumber. */ \
|
|
0x00, /* bAlternateSetting. */ \
|
|
0x02, /* bNumEndpoints. */ \
|
|
CDC_DATA_INTERFACE_CLASS, /* bInterfaceClass. */ \
|
|
0x00, /* bInterfaceSubClass (CDC
|
|
section 4.6). */ \
|
|
0x00, /* bInterfaceProtocol (CDC
|
|
section 4.7). */ \
|
|
0x00), /* iInterface. */ \
|
|
/* Endpoint, Bulk OUT.*/ \
|
|
USB_DESC_ENDPOINT( \
|
|
datOutEp, /* bEndpointAddress. */ \
|
|
USB_EP_MODE_TYPE_BULK, /* bmAttributes. */ \
|
|
0x0040, /* wMaxPacketSize. */ \
|
|
0x00), /* bInterval. */ \
|
|
/* Endpoint, Bulk IN.*/ \
|
|
USB_DESC_ENDPOINT( \
|
|
datInEp, /* bEndpointAddress. */ \
|
|
USB_EP_MODE_TYPE_BULK, /* bmAttributes. */ \
|
|
0x0040, /* wMaxPacketSize. */ \
|
|
0x00) /* bInterval. */
|
|
|
|
#define IAD_CDC_IF_DESC_SET_SIZE \
|
|
(USB_DESC_INTERFACE_ASSOCIATION_SIZE + CDC_IF_DESC_SET_SIZE)
|
|
|
|
#define IAD_CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp) \
|
|
/* Interface Association Descriptor.*/ \
|
|
USB_DESC_INTERFACE_ASSOCIATION( \
|
|
comIfNum, /* bFirstInterface. */ \
|
|
2, /* bInterfaceCount. */ \
|
|
CDC_COMMUNICATION_INTERFACE_CLASS, /* bFunctionClass. */ \
|
|
CDC_ABSTRACT_CONTROL_MODEL, /* bFunctionSubClass. */ \
|
|
1, /* bFunctionProcotol. */ \
|
|
0 /* iInterface. */ \
|
|
), \
|
|
/* CDC Interface descriptor set */ \
|
|
CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp)
|
|
|
|
/* Configuration Descriptor tree for a CDC.*/
|
|
static const uint8_t vcom_configuration_descriptor_data[] = {
|
|
/* Configuration Descriptor.*/
|
|
USB_DESC_CONFIGURATION(
|
|
USB_DESC_CONFIGURATION_SIZE +
|
|
(IAD_CDC_IF_DESC_SET_SIZE * 2), /* wTotalLength. */
|
|
USB_NUM_INTERFACES, /* bNumInterfaces. */
|
|
0x01, /* bConfigurationValue. */
|
|
0, /* iConfiguration. */
|
|
0xC0, /* bmAttributes (self powered). */
|
|
50 /* bMaxPower (100mA). */
|
|
),
|
|
IAD_CDC_IF_DESC_SET(
|
|
USB_CDC_CIF_NUM0,
|
|
USB_CDC_DIF_NUM0,
|
|
USB_ENDPOINT_IN(USB_INTERRUPT_REQUEST_EP_A),
|
|
USB_ENDPOINT_OUT(USB_DATA_AVAILABLE_EP_A),
|
|
USB_ENDPOINT_IN(USB_DATA_REQUEST_EP_A)
|
|
),
|
|
IAD_CDC_IF_DESC_SET(
|
|
USB_CDC_CIF_NUM1,
|
|
USB_CDC_DIF_NUM1,
|
|
USB_ENDPOINT_IN(USB_INTERRUPT_REQUEST_EP_B),
|
|
USB_ENDPOINT_OUT(USB_DATA_AVAILABLE_EP_B),
|
|
USB_ENDPOINT_IN(USB_DATA_REQUEST_EP_B)
|
|
),
|
|
};
|
|
|
|
/*
|
|
* Configuration Descriptor wrapper.
|
|
*/
|
|
static const USBDescriptor vcom_configuration_descriptor = {
|
|
sizeof vcom_configuration_descriptor_data,
|
|
vcom_configuration_descriptor_data
|
|
};
|
|
|
|
/*
|
|
* U.S. English language identifier.
|
|
*/
|
|
static const uint8_t vcom_string0[] = {
|
|
USB_DESC_BYTE(4), /* bLength. */
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
|
|
USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
|
|
};
|
|
|
|
/*
|
|
* Vendor string.
|
|
*/
|
|
static const uint8_t vcom_string1[] = {
|
|
USB_DESC_BYTE(38), /* bLength. */
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
|
|
'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
|
|
'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
|
|
'c', 0, 's', 0
|
|
};
|
|
|
|
/*
|
|
* Device Description string.
|
|
*/
|
|
static const uint8_t vcom_string2[] = {
|
|
USB_DESC_BYTE(56), /* bLength. */
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
|
|
'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
|
|
'R', 0, 'T', 0, ' ', 0, 'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0,
|
|
'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0,
|
|
'o', 0, 'r', 0, 't', 0
|
|
};
|
|
|
|
/*
|
|
* Serial Number string.
|
|
*/
|
|
static const uint8_t vcom_string3[] = {
|
|
USB_DESC_BYTE(8), /* bLength. */
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
|
|
'0' + CH_KERNEL_MAJOR, 0,
|
|
'0' + CH_KERNEL_MINOR, 0,
|
|
'0' + CH_KERNEL_PATCH, 0
|
|
};
|
|
|
|
/*
|
|
* Strings wrappers array.
|
|
*/
|
|
static const USBDescriptor vcom_strings[] = {
|
|
{sizeof vcom_string0, vcom_string0},
|
|
{sizeof vcom_string1, vcom_string1},
|
|
{sizeof vcom_string2, vcom_string2},
|
|
{sizeof vcom_string3, vcom_string3}
|
|
};
|
|
|
|
/*
|
|
* Handles the GET_DESCRIPTOR callback. All required descriptors must be
|
|
* handled here.
|
|
*/
|
|
static const USBDescriptor *get_descriptor(USBDriver *usbp,
|
|
uint8_t dtype,
|
|
uint8_t dindex,
|
|
uint16_t lang) {
|
|
|
|
(void)usbp;
|
|
(void)lang;
|
|
switch (dtype) {
|
|
case USB_DESCRIPTOR_DEVICE:
|
|
return &vcom_device_descriptor;
|
|
case USB_DESCRIPTOR_CONFIGURATION:
|
|
return &vcom_configuration_descriptor;
|
|
case USB_DESCRIPTOR_STRING:
|
|
if (dindex < 4)
|
|
return &vcom_strings[dindex];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief IN EP1 state.
|
|
*/
|
|
static USBInEndpointState ep1instate;
|
|
|
|
/**
|
|
* @brief EP1 initialization structure (IN only).
|
|
*/
|
|
static const USBEndpointConfig ep1config = {
|
|
USB_EP_MODE_TYPE_INTR,
|
|
NULL,
|
|
sduInterruptTransmitted,
|
|
NULL,
|
|
0x0010,
|
|
0x0000,
|
|
&ep1instate,
|
|
NULL,
|
|
1,
|
|
NULL
|
|
};
|
|
|
|
/**
|
|
* @brief IN EP2 state.
|
|
*/
|
|
static USBInEndpointState ep2instate;
|
|
|
|
/**
|
|
* @brief OUT EP2 state.
|
|
*/
|
|
static USBOutEndpointState ep2outstate;
|
|
|
|
/**
|
|
* @brief EP2 initialization structure (both IN and OUT).
|
|
*/
|
|
static const USBEndpointConfig ep2config = {
|
|
USB_EP_MODE_TYPE_BULK,
|
|
NULL,
|
|
sduDataTransmitted,
|
|
sduDataReceived,
|
|
0x0040,
|
|
0x0040,
|
|
&ep2instate,
|
|
&ep2outstate,
|
|
1,
|
|
NULL
|
|
};
|
|
|
|
/**
|
|
* @brief IN EP3 state.
|
|
*/
|
|
static USBInEndpointState ep3instate;
|
|
|
|
/**
|
|
* @brief EP3 initialization structure (IN only).
|
|
*/
|
|
static const USBEndpointConfig ep3config = {
|
|
USB_EP_MODE_TYPE_INTR,
|
|
NULL,
|
|
sduInterruptTransmitted,
|
|
NULL,
|
|
0x0010,
|
|
0x0000,
|
|
&ep3instate,
|
|
NULL,
|
|
1,
|
|
NULL
|
|
};
|
|
|
|
/**
|
|
* @brief IN EP4 state.
|
|
*/
|
|
static USBInEndpointState ep4instate;
|
|
|
|
/**
|
|
* @brief OUT EP4 state.
|
|
*/
|
|
static USBOutEndpointState ep4outstate;
|
|
|
|
/**
|
|
* @brief EP4 initialization structure (both IN and OUT).
|
|
*/
|
|
static const USBEndpointConfig ep4config = {
|
|
USB_EP_MODE_TYPE_BULK,
|
|
NULL,
|
|
sduDataTransmitted,
|
|
sduDataReceived,
|
|
0x0040,
|
|
0x0040,
|
|
&ep4instate,
|
|
&ep4outstate,
|
|
1,
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
* Handles the USB driver global events.
|
|
*/
|
|
static void usb_event(USBDriver *usbp, usbevent_t event) {
|
|
extern SerialUSBDriver SDU1;
|
|
extern SerialUSBDriver SDU2;
|
|
|
|
switch (event) {
|
|
case USB_EVENT_RESET:
|
|
return;
|
|
case USB_EVENT_ADDRESS:
|
|
return;
|
|
case USB_EVENT_CONFIGURED:
|
|
chSysLockFromISR();
|
|
|
|
if (usbp->state == USB_ACTIVE) {
|
|
/* Enables the endpoints specified into the configuration.
|
|
Note, this callback is invoked from an ISR so I-Class functions
|
|
must be used.*/
|
|
usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_A, &ep1config);
|
|
usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_A, &ep2config);
|
|
usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_B, &ep3config);
|
|
usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_B, &ep4config);
|
|
|
|
/* Resetting the state of the CDC subsystem.*/
|
|
sduConfigureHookI(&SDU1);
|
|
sduConfigureHookI(&SDU2);
|
|
}
|
|
else if (usbp->state == USB_SELECTED) {
|
|
// usbDisableEndpointsI(usbp);
|
|
}
|
|
|
|
chSysUnlockFromISR();
|
|
return;
|
|
case USB_EVENT_SUSPEND:
|
|
return;
|
|
case USB_EVENT_WAKEUP:
|
|
return;
|
|
case USB_EVENT_STALLED:
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Handling messages not implemented in the default handler nor in the
|
|
* SerialUSB handler.
|
|
*/
|
|
static bool requests_hook(USBDriver *usbp) {
|
|
|
|
if (((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE) &&
|
|
(usbp->setup[1] == USB_REQ_SET_INTERFACE)) {
|
|
usbSetupTransfer(usbp, NULL, 0, NULL);
|
|
return true;
|
|
}
|
|
return sduRequestsHook(usbp);
|
|
}
|
|
|
|
/*
|
|
* USB driver configuration.
|
|
*/
|
|
const USBConfig usbcfg = {
|
|
usb_event,
|
|
get_descriptor,
|
|
requests_hook,
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
* Serial over USB driver configuration 1.
|
|
*/
|
|
const SerialUSBConfig serusbcfg1 = {
|
|
&USBD1,
|
|
USB_DATA_REQUEST_EP_A,
|
|
USB_DATA_AVAILABLE_EP_A,
|
|
USB_INTERRUPT_REQUEST_EP_A
|
|
};
|
|
|
|
/*
|
|
* Serial over USB driver configuration 2.
|
|
*/
|
|
const SerialUSBConfig serusbcfg2 = {
|
|
&USBD1,
|
|
USB_DATA_REQUEST_EP_B,
|
|
USB_DATA_AVAILABLE_EP_B,
|
|
USB_INTERRUPT_REQUEST_EP_B
|
|
};
|