diff options
Diffstat (limited to 'demos/AVR/RT-PRO-MICRO/usbcfg.c')
| -rw-r--r-- | demos/AVR/RT-PRO-MICRO/usbcfg.c | 802 |
1 files changed, 401 insertions, 401 deletions
diff --git a/demos/AVR/RT-PRO-MICRO/usbcfg.c b/demos/AVR/RT-PRO-MICRO/usbcfg.c index 851c576c4..fce1b00c6 100644 --- a/demos/AVR/RT-PRO-MICRO/usbcfg.c +++ b/demos/AVR/RT-PRO-MICRO/usbcfg.c @@ -1,401 +1,401 @@ -/* - 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 "ch.h" -#include "hal.h" -#include "usbcfg.h" - -/* - * Endpoints to be used for USBD1. - */ -#define USBD1_DATA_REQUEST_EP 1 -#define USBD1_DATA_AVAILABLE_EP 3 -#define USBD1_INTERRUPT_REQUEST_EP 2 - -#if (AVR_USB_USE_NAMED_ADDRESS_SPACES == TRUE) && defined(__FLASH) -# undef ROMCONST -# define ROMCONST const __flash -#endif - -/* Virtual serial port over USB.*/ -SerialUSBDriver SDU1; - -/* - * USB Device Descriptor. - */ -static ROMCONST uint8_t vcom_device_descriptor_data[18] = { - USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */ - 0x02, /* bDeviceClass (CDC). */ - 0x00, /* bDeviceSubClass. */ - 0x00, /* bDeviceProtocol. */ - 0x40, /* bMaxPacketSize. */ - 0x1b4f, /* idVendor (Sparkfun). */ - 0x9206, /* idProduct. */ - 0x0200, /* bcdDevice. */ - 1, /* iManufacturer. */ - 2, /* iProduct. */ - 3, /* iSerialNumber. */ - 1) /* bNumConfigurations. */ -}; - -/* - * Device Descriptor wrapper. - */ -static ROMCONST USBDescriptor vcom_device_descriptor = { - sizeof vcom_device_descriptor_data, - vcom_device_descriptor_data -}; - -/* Configuration Descriptor tree for a CDC.*/ -static ROMCONST uint8_t vcom_configuration_descriptor_data[67] = { - /* Configuration Descriptor.*/ - USB_DESC_CONFIGURATION(67, /* wTotalLength. */ - 0x02, /* bNumInterfaces. */ - 0x01, /* bConfigurationValue. */ - 0, /* iConfiguration. */ - 0xC0, /* bmAttributes (self powered). */ - 50), /* bMaxPower (100mA). */ - /* Interface Descriptor.*/ - USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */ - 0x00, /* bAlternateSetting. */ - 0x01, /* bNumEndpoints. */ - 0x02, /* bInterfaceClass (Communications - Interface Class, CDC section - 4.2). */ - 0x02, /* bInterfaceSubClass (Abstract - Control Model, CDC section 4.3). */ - 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 (0x24), /* bDescriptorType (CS_INTERFACE). */ - USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header - Functional Descriptor. */ - USB_DESC_BCD (0x0110), /* bcdCDC. */ - /* Call Management Functional Descriptor. */ - USB_DESC_BYTE (5), /* bFunctionLength. */ - USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */ - USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management - Functional Descriptor). */ - USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */ - USB_DESC_BYTE (0x01), /* bDataInterface. */ - /* ACM Functional Descriptor.*/ - USB_DESC_BYTE (4), /* bFunctionLength. */ - USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */ - USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract - Control Management Descriptor). */ - USB_DESC_BYTE (0x02), /* bmCapabilities. */ - /* Union Functional Descriptor.*/ - USB_DESC_BYTE (5), /* bFunctionLength. */ - USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */ - USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union - Functional Descriptor). */ - USB_DESC_BYTE (0x00), /* bMasterInterface (Communication - Class Interface). */ - USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class - Interface). */ - /* Endpoint 2 Descriptor.*/ - USB_DESC_ENDPOINT (USBD1_INTERRUPT_REQUEST_EP|0x80, - 0x03, /* bmAttributes (Interrupt). */ - 0x0008, /* wMaxPacketSize. */ - 0xFF), /* bInterval. */ - /* Interface Descriptor.*/ - USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */ - 0x00, /* bAlternateSetting. */ - 0x02, /* bNumEndpoints. */ - 0x0A, /* bInterfaceClass (Data Class - Interface, CDC section 4.5). */ - 0x00, /* bInterfaceSubClass (CDC section - 4.6). */ - 0x00, /* bInterfaceProtocol (CDC section - 4.7). */ - 0x00), /* iInterface. */ - /* Endpoint 3 Descriptor.*/ - USB_DESC_ENDPOINT (USBD1_DATA_AVAILABLE_EP, /* bEndpointAddress.*/ - 0x02, /* bmAttributes (Bulk). */ - 0x0040, /* wMaxPacketSize. */ - 0x00), /* bInterval. */ - /* Endpoint 1 Descriptor.*/ - USB_DESC_ENDPOINT (USBD1_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/ - 0x02, /* bmAttributes (Bulk). */ - 0x0040, /* wMaxPacketSize. */ - 0x00) /* bInterval. */ -}; - -/* - * Configuration Descriptor wrapper. - */ -static ROMCONST USBDescriptor vcom_configuration_descriptor = { - sizeof vcom_configuration_descriptor_data, - vcom_configuration_descriptor_data -}; - -/* - * U.S. English language identifier. - */ -static ROMCONST 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 ROMCONST uint8_t vcom_string1[] = { - USB_DESC_BYTE(18), /* bLength. */ - USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */ - 'S', 0, 'p', 0, 'a', 0, 'r', 0, 'k', 0, 'f', 0, 'u', 0, 'n', 0, -}; - -/* - * Device Description string. - */ -static ROMCONST 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 ROMCONST 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 ROMCONST 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 ep1state; - -/** - * @brief EP1 initialization structure (IN). - */ -static const USBEndpointConfig ep1config = { - USB_EP_MODE_TYPE_BULK, - NULL, - sduDataTransmitted, - NULL, - 0x0040, - 0x0000, - &ep1state, - NULL, -}; - -/** - * @brief INTR EP2 state. - */ -static USBInEndpointState ep2state; - -/** - * @brief EP2 initialization structure. - */ -static const USBEndpointConfig ep2config = { - USB_EP_MODE_TYPE_INTR, - NULL, - sduInterruptTransmitted, - NULL, - 0x0010, - 0x0000, - &ep2state, - NULL -}; - -/** - * @brief OUT EP3 state. - */ -static USBOutEndpointState ep3state; - -/** - * @brief EP3 initialization structure (OUT). - */ -static const USBEndpointConfig ep3config = { - USB_EP_MODE_TYPE_BULK, - NULL, - NULL, - sduDataReceived, - 0x0000, - 0x0040, - NULL, - &ep3state, -}; - -/* - * Handles the USB driver global events. - */ -static void usb_event(USBDriver *usbp, usbevent_t event) { - extern SerialUSBDriver SDU1; - - switch (event) { - case USB_EVENT_ADDRESS: - return; - case USB_EVENT_CONFIGURED: - chSysLockFromISR(); - - /* Enables the endpoints specified into the configuration. - Note, this callback is invoked from an ISR so I-Class functions - must be used.*/ - usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config); - usbInitEndpointI(usbp, USBD1_DATA_AVAILABLE_EP, &ep2config); - usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep3config); - - /* Resetting the state of the CDC subsystem.*/ - sduConfigureHookI(&SDU1); - - chSysUnlockFromISR(); - return; - case USB_EVENT_RESET: - /* Falls into.*/ - case USB_EVENT_UNCONFIGURED: - /* Falls into.*/ - case USB_EVENT_SUSPEND: - chSysLockFromISR(); - - /* Disconnection event on suspend.*/ - sduSuspendHookI(&SDU1); - - chSysUnlockFromISR(); - return; - case USB_EVENT_WAKEUP: - chSysLockFromISR(); - - /* Disconnection event on suspend.*/ - sduWakeupHookI(&SDU1); - - chSysUnlockFromISR(); - return; - case USB_EVENT_STALLED: - return; - } - return; -} - -bool usb_setup_hook(USBDriver *usbp) { - /* Override GET_DESCRIPTOR requests to return data from program memory */ - if ((usbp->setup[0] & (USB_RTYPE_RECIPIENT_MASK | USB_RTYPE_TYPE_MASK)) == - (USB_RTYPE_RECIPIENT_DEVICE | USB_RTYPE_TYPE_STD) && - usbp->setup[1] == USB_REQ_GET_DESCRIPTOR) { - const uint8_t dtype = usbp->setup[3]; - const uint8_t dindex = usbp->setup[2]; - const AVR_USB_TX_BUF_ADDRESS_SPACE uint8_t *ddata = NULL; - size_t dsize = 0; - switch (dtype) { - case USB_DESCRIPTOR_DEVICE: - dsize = sizeof(vcom_device_descriptor_data); - ddata = vcom_device_descriptor_data; - break; - case USB_DESCRIPTOR_CONFIGURATION: - dsize = sizeof(vcom_configuration_descriptor_data); - ddata = vcom_configuration_descriptor_data; - break; - case USB_DESCRIPTOR_STRING: - if (dindex == 0) { - dsize = sizeof(vcom_string0); - ddata = vcom_string0; - } else if (dindex == 1) { - dsize = sizeof(vcom_string1); - ddata = vcom_string1; - } else if (dindex == 2) { - dsize = sizeof(vcom_string2); - ddata = vcom_string2; - } else if (dindex == 3) { - dsize = sizeof(vcom_string3); - ddata = vcom_string3; - } - break; - } - if (ddata == NULL) { - return false; - } - - usbSetupTransfer(usbp, ddata, dsize, NULL); - return true; - } - return sduRequestsHook(usbp); -} - -/* - * Handles the USB driver start of frame event. - */ -static void sof_handler(USBDriver *usbp) { - (void)usbp; - - osalSysLockFromISR(); - sduSOFHookI(&SDU1); - osalSysUnlockFromISR(); -} - -/* - * USB driver configuration. - */ -const USBConfig usbcfg = { - usb_event, - get_descriptor, - usb_setup_hook, - sof_handler -}; - -/* - * Serial over USB driver configuration. - */ -const SerialUSBConfig serusbcfg = { - &USBD1, - USBD1_DATA_REQUEST_EP, - USBD1_DATA_AVAILABLE_EP, - USBD1_INTERRUPT_REQUEST_EP -}; +/*
+ ChibiOS - Copyright (C) 2006..2018 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 "ch.h"
+#include "hal.h"
+#include "usbcfg.h"
+
+/*
+ * Endpoints to be used for USBD1.
+ */
+#define USBD1_DATA_REQUEST_EP 1
+#define USBD1_DATA_AVAILABLE_EP 3
+#define USBD1_INTERRUPT_REQUEST_EP 2
+
+#if (AVR_USB_USE_NAMED_ADDRESS_SPACES == TRUE) && defined(__FLASH)
+# undef ROMCONST
+# define ROMCONST const __flash
+#endif
+
+/* Virtual serial port over USB.*/
+SerialUSBDriver SDU1;
+
+/*
+ * USB Device Descriptor.
+ */
+static ROMCONST uint8_t vcom_device_descriptor_data[18] = {
+ USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
+ 0x02, /* bDeviceClass (CDC). */
+ 0x00, /* bDeviceSubClass. */
+ 0x00, /* bDeviceProtocol. */
+ 0x40, /* bMaxPacketSize. */
+ 0x1b4f, /* idVendor (Sparkfun). */
+ 0x9206, /* idProduct. */
+ 0x0200, /* bcdDevice. */
+ 1, /* iManufacturer. */
+ 2, /* iProduct. */
+ 3, /* iSerialNumber. */
+ 1) /* bNumConfigurations. */
+};
+
+/*
+ * Device Descriptor wrapper.
+ */
+static ROMCONST USBDescriptor vcom_device_descriptor = {
+ sizeof vcom_device_descriptor_data,
+ vcom_device_descriptor_data
+};
+
+/* Configuration Descriptor tree for a CDC.*/
+static ROMCONST uint8_t vcom_configuration_descriptor_data[67] = {
+ /* Configuration Descriptor.*/
+ USB_DESC_CONFIGURATION(67, /* wTotalLength. */
+ 0x02, /* bNumInterfaces. */
+ 0x01, /* bConfigurationValue. */
+ 0, /* iConfiguration. */
+ 0xC0, /* bmAttributes (self powered). */
+ 50), /* bMaxPower (100mA). */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x01, /* bNumEndpoints. */
+ 0x02, /* bInterfaceClass (Communications
+ Interface Class, CDC section
+ 4.2). */
+ 0x02, /* bInterfaceSubClass (Abstract
+ Control Model, CDC section 4.3). */
+ 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 (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header
+ Functional Descriptor. */
+ USB_DESC_BCD (0x0110), /* bcdCDC. */
+ /* Call Management Functional Descriptor. */
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */
+ USB_DESC_BYTE (0x01), /* bDataInterface. */
+ /* ACM Functional Descriptor.*/
+ USB_DESC_BYTE (4), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract
+ Control Management Descriptor). */
+ USB_DESC_BYTE (0x02), /* bmCapabilities. */
+ /* Union Functional Descriptor.*/
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bMasterInterface (Communication
+ Class Interface). */
+ USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class
+ Interface). */
+ /* Endpoint 2 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_INTERRUPT_REQUEST_EP|0x80,
+ 0x03, /* bmAttributes (Interrupt). */
+ 0x0008, /* wMaxPacketSize. */
+ 0xFF), /* bInterval. */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x02, /* bNumEndpoints. */
+ 0x0A, /* bInterfaceClass (Data Class
+ Interface, CDC section 4.5). */
+ 0x00, /* bInterfaceSubClass (CDC section
+ 4.6). */
+ 0x00, /* bInterfaceProtocol (CDC section
+ 4.7). */
+ 0x00), /* iInterface. */
+ /* Endpoint 3 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00), /* bInterval. */
+ /* Endpoint 1 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00) /* bInterval. */
+};
+
+/*
+ * Configuration Descriptor wrapper.
+ */
+static ROMCONST USBDescriptor vcom_configuration_descriptor = {
+ sizeof vcom_configuration_descriptor_data,
+ vcom_configuration_descriptor_data
+};
+
+/*
+ * U.S. English language identifier.
+ */
+static ROMCONST 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 ROMCONST uint8_t vcom_string1[] = {
+ USB_DESC_BYTE(18), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ 'S', 0, 'p', 0, 'a', 0, 'r', 0, 'k', 0, 'f', 0, 'u', 0, 'n', 0,
+};
+
+/*
+ * Device Description string.
+ */
+static ROMCONST 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 ROMCONST 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 ROMCONST 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 ep1state;
+
+/**
+ * @brief EP1 initialization structure (IN).
+ */
+static const USBEndpointConfig ep1config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ sduDataTransmitted,
+ NULL,
+ 0x0040,
+ 0x0000,
+ &ep1state,
+ NULL,
+};
+
+/**
+ * @brief INTR EP2 state.
+ */
+static USBInEndpointState ep2state;
+
+/**
+ * @brief EP2 initialization structure.
+ */
+static const USBEndpointConfig ep2config = {
+ USB_EP_MODE_TYPE_INTR,
+ NULL,
+ sduInterruptTransmitted,
+ NULL,
+ 0x0010,
+ 0x0000,
+ &ep2state,
+ NULL
+};
+
+/**
+ * @brief OUT EP3 state.
+ */
+static USBOutEndpointState ep3state;
+
+/**
+ * @brief EP3 initialization structure (OUT).
+ */
+static const USBEndpointConfig ep3config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ NULL,
+ sduDataReceived,
+ 0x0000,
+ 0x0040,
+ NULL,
+ &ep3state,
+};
+
+/*
+ * Handles the USB driver global events.
+ */
+static void usb_event(USBDriver *usbp, usbevent_t event) {
+ extern SerialUSBDriver SDU1;
+
+ switch (event) {
+ case USB_EVENT_ADDRESS:
+ return;
+ case USB_EVENT_CONFIGURED:
+ chSysLockFromISR();
+
+ /* Enables the endpoints specified into the configuration.
+ Note, this callback is invoked from an ISR so I-Class functions
+ must be used.*/
+ usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config);
+ usbInitEndpointI(usbp, USBD1_DATA_AVAILABLE_EP, &ep2config);
+ usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep3config);
+
+ /* Resetting the state of the CDC subsystem.*/
+ sduConfigureHookI(&SDU1);
+
+ chSysUnlockFromISR();
+ return;
+ case USB_EVENT_RESET:
+ /* Falls into.*/
+ case USB_EVENT_UNCONFIGURED:
+ /* Falls into.*/
+ case USB_EVENT_SUSPEND:
+ chSysLockFromISR();
+
+ /* Disconnection event on suspend.*/
+ sduSuspendHookI(&SDU1);
+
+ chSysUnlockFromISR();
+ return;
+ case USB_EVENT_WAKEUP:
+ chSysLockFromISR();
+
+ /* Disconnection event on suspend.*/
+ sduWakeupHookI(&SDU1);
+
+ chSysUnlockFromISR();
+ return;
+ case USB_EVENT_STALLED:
+ return;
+ }
+ return;
+}
+
+bool usb_setup_hook(USBDriver *usbp) {
+ /* Override GET_DESCRIPTOR requests to return data from program memory */
+ if ((usbp->setup[0] & (USB_RTYPE_RECIPIENT_MASK | USB_RTYPE_TYPE_MASK)) ==
+ (USB_RTYPE_RECIPIENT_DEVICE | USB_RTYPE_TYPE_STD) &&
+ usbp->setup[1] == USB_REQ_GET_DESCRIPTOR) {
+ const uint8_t dtype = usbp->setup[3];
+ const uint8_t dindex = usbp->setup[2];
+ const AVR_USB_TX_BUF_ADDRESS_SPACE uint8_t *ddata = NULL;
+ size_t dsize = 0;
+ switch (dtype) {
+ case USB_DESCRIPTOR_DEVICE:
+ dsize = sizeof(vcom_device_descriptor_data);
+ ddata = vcom_device_descriptor_data;
+ break;
+ case USB_DESCRIPTOR_CONFIGURATION:
+ dsize = sizeof(vcom_configuration_descriptor_data);
+ ddata = vcom_configuration_descriptor_data;
+ break;
+ case USB_DESCRIPTOR_STRING:
+ if (dindex == 0) {
+ dsize = sizeof(vcom_string0);
+ ddata = vcom_string0;
+ } else if (dindex == 1) {
+ dsize = sizeof(vcom_string1);
+ ddata = vcom_string1;
+ } else if (dindex == 2) {
+ dsize = sizeof(vcom_string2);
+ ddata = vcom_string2;
+ } else if (dindex == 3) {
+ dsize = sizeof(vcom_string3);
+ ddata = vcom_string3;
+ }
+ break;
+ }
+ if (ddata == NULL) {
+ return false;
+ }
+
+ usbSetupTransfer(usbp, ddata, dsize, NULL);
+ return true;
+ }
+ return sduRequestsHook(usbp);
+}
+
+/*
+ * Handles the USB driver start of frame event.
+ */
+static void sof_handler(USBDriver *usbp) {
+ (void)usbp;
+
+ osalSysLockFromISR();
+ sduSOFHookI(&SDU1);
+ osalSysUnlockFromISR();
+}
+
+/*
+ * USB driver configuration.
+ */
+const USBConfig usbcfg = {
+ usb_event,
+ get_descriptor,
+ usb_setup_hook,
+ sof_handler
+};
+
+/*
+ * Serial over USB driver configuration.
+ */
+const SerialUSBConfig serusbcfg = {
+ &USBD1,
+ USBD1_DATA_REQUEST_EP,
+ USBD1_DATA_AVAILABLE_EP,
+ USBD1_INTERRUPT_REQUEST_EP
+};
|