From 64689ec9b44217acd92443e88793a6e8387dd709 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Tue, 1 Sep 2015 13:32:09 +0000 Subject: Improved STM32F4 USB_CDC demo, now it supports both the ST and Olimex boards. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8267 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32/STM32F4xx/USB_CDC/Makefile | 3 +- testhal/STM32/STM32F4xx/USB_CDC/main.c | 322 ++--------------------------- testhal/STM32/STM32F4xx/USB_CDC/mcuconf.h | 4 + testhal/STM32/STM32F4xx/USB_CDC/readme.txt | 3 +- testhal/STM32/STM32F4xx/USB_CDC/usbcfg.c | 314 ++++++++++++++++++++++++++++ testhal/STM32/STM32F4xx/USB_CDC/usbcfg.h | 25 +++ 6 files changed, 362 insertions(+), 309 deletions(-) create mode 100644 testhal/STM32/STM32F4xx/USB_CDC/usbcfg.c create mode 100644 testhal/STM32/STM32F4xx/USB_CDC/usbcfg.h (limited to 'testhal/STM32/STM32F4xx') diff --git a/testhal/STM32/STM32F4xx/USB_CDC/Makefile b/testhal/STM32/STM32F4xx/USB_CDC/Makefile index 5b0aae485..a8a9dd05c 100644 --- a/testhal/STM32/STM32F4xx/USB_CDC/Makefile +++ b/testhal/STM32/STM32F4xx/USB_CDC/Makefile @@ -93,6 +93,7 @@ include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_stm32f4xx.mk include $(CHIBIOS)/os/hal/hal.mk include $(CHIBIOS)/os/hal/ports/STM32/STM32F4xx/platform.mk include $(CHIBIOS)/os/hal/boards/OLIMEX_STM32_E407/board.mk +#include $(CHIBIOS)/os/hal/boards/ST_STM32F4_DISCOVERY/board.mk include $(CHIBIOS)/os/hal/osal/rt/osal.mk # RTOS files (optional). include $(CHIBIOS)/os/rt/rt.mk @@ -116,7 +117,7 @@ CSRC = $(STARTUPSRC) \ $(CHIBIOS)/os/various/shell.c \ $(CHIBIOS)/os/hal/lib/streams/memstreams.c \ $(CHIBIOS)/os/hal/lib/streams/chprintf.c \ - main.c + usbcfg.c main.c # C++ sources that can be compiled in ARM or THUMB mode depending on the global # setting. diff --git a/testhal/STM32/STM32F4xx/USB_CDC/main.c b/testhal/STM32/STM32F4xx/USB_CDC/main.c index a7b70c23e..67cfec3da 100644 --- a/testhal/STM32/STM32F4xx/USB_CDC/main.c +++ b/testhal/STM32/STM32F4xx/USB_CDC/main.c @@ -24,309 +24,10 @@ #include "shell.h" #include "chprintf.h" -/*===========================================================================*/ -/* USB related stuff. */ -/*===========================================================================*/ - -/* - * Endpoints to be used for USBD2. - */ -#define USBD2_DATA_REQUEST_EP 1 -#define USBD2_DATA_AVAILABLE_EP 1 -#define USBD2_INTERRUPT_REQUEST_EP 2 - -/* - * Serial over USB Driver structure. - */ -static SerialUSBDriver SDU2; - -/* - * USB Device Descriptor. - */ -static const uint8_t vcom_device_descriptor_data[18] = { - USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */ - 0x02, /* bDeviceClass (CDC). */ - 0x00, /* bDeviceSubClass. */ - 0x00, /* bDeviceProtocol. */ - 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 -}; - -/* Configuration Descriptor tree for a CDC.*/ -static const 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 (USBD2_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 (USBD2_DATA_AVAILABLE_EP, /* bEndpointAddress.*/ - 0x02, /* bmAttributes (Bulk). */ - 0x0040, /* wMaxPacketSize. */ - 0x00), /* bInterval. */ - /* Endpoint 1 Descriptor.*/ - USB_DESC_ENDPOINT (USBD2_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/ - 0x02, /* bmAttributes (Bulk). */ - 0x0040, /* wMaxPacketSize. */ - 0x00) /* bInterval. */ -}; - -/* - * Configuration Descriptor wrapper. - */ -static const USBDescriptor vcom_configuration_descriptor = { - sizeof vcom_configuration_descriptor_data, - vcom_configuration_descriptor_data -}; +#include "usbcfg.h" -/* - * 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 OUT EP1 state. - */ -static USBOutEndpointState ep1outstate; - -/** - * @brief EP1 initialization structure (both IN and OUT). - */ -static const USBEndpointConfig ep1config = { - USB_EP_MODE_TYPE_BULK, - NULL, - sduDataTransmitted, - sduDataReceived, - 0x0040, - 0x0040, - &ep1instate, - &ep1outstate, - 2, - NULL -}; - -/** - * @brief IN EP2 state. - */ -static USBInEndpointState ep2instate; - -/** - * @brief EP2 initialization structure (IN only). - */ -static const USBEndpointConfig ep2config = { - USB_EP_MODE_TYPE_INTR, - NULL, - sduInterruptTransmitted, - NULL, - 0x0010, - 0x0000, - &ep2instate, - NULL, - 1, - NULL -}; - -/* - * Handles the USB driver global events. - */ -static void usb_event(USBDriver *usbp, usbevent_t event) { - - switch (event) { - case USB_EVENT_RESET: - return; - 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, USBD2_DATA_REQUEST_EP, &ep1config); - usbInitEndpointI(usbp, USBD2_INTERRUPT_REQUEST_EP, &ep2config); - - /* Resetting the state of the CDC subsystem.*/ - sduConfigureHookI(&SDU2); - - chSysUnlockFromISR(); - return; - case USB_EVENT_SUSPEND: - return; - case USB_EVENT_WAKEUP: - return; - case USB_EVENT_STALLED: - return; - } - return; -} - -/* - * USB driver configuration. - */ -static const USBConfig usbcfg = { - usb_event, - get_descriptor, - sduRequestsHook, - NULL -}; - -/* - * Serial over USB driver configuration. - */ -static const SerialUSBConfig serusbcfg = { - &USBD2, - USBD2_DATA_REQUEST_EP, - USBD2_DATA_AVAILABLE_EP, - USBD2_INTERRUPT_REQUEST_EP -}; +/* Virtual serial port over USB.*/ +SerialUSBDriver SDU1; /*===========================================================================*/ /* Command line related. */ @@ -412,7 +113,7 @@ static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) { } while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) == Q_TIMEOUT) { - chSequentialStreamWrite(&SDU2, buf, sizeof buf - 1); + chSequentialStreamWrite(&SDU1, buf, sizeof buf - 1); } chprintf(chp, "\r\n\nstopped\r\n"); } @@ -426,7 +127,7 @@ static const ShellCommand commands[] = { }; static const ShellConfig shell_cfg1 = { - (BaseSequentialStream *)&SDU2, + (BaseSequentialStream *)&SDU1, commands }; @@ -446,10 +147,17 @@ static THD_FUNCTION(Thread1, arg) { systime_t time; time = serusbcfg.usbp->state == USB_ACTIVE ? 250 : 500; +#if defined(BOARD_ST_STM32F4_DISCOVERY) + palClearPad(GPIOD, GPIOD_LED4); + chThdSleepMilliseconds(time); + palSetPad(GPIOD, GPIOD_LED4); + chThdSleepMilliseconds(time); +#else palClearPad(GPIOC, GPIOC_LED); chThdSleepMilliseconds(time); palSetPad(GPIOC, GPIOC_LED); chThdSleepMilliseconds(time); +#endif } } @@ -472,8 +180,8 @@ int main(void) { /* * Initializes a serial-over-USB CDC driver. */ - sduObjectInit(&SDU2); - sduStart(&SDU2, &serusbcfg); + sduObjectInit(&SDU1); + sduStart(&SDU1, &serusbcfg); /* * Activates the USB driver and then the USB bus pull-up on D+. @@ -500,7 +208,7 @@ int main(void) { * sleeping in a loop and check the button state. */ while (true) { - if (!shelltp && (SDU2.config->usbp->state == USB_ACTIVE)) + if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE)) shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO); else if (chThdTerminatedX(shelltp)) { chThdRelease(shelltp); /* Recovers memory of the previous shell. */ diff --git a/testhal/STM32/STM32F4xx/USB_CDC/mcuconf.h b/testhal/STM32/STM32F4xx/USB_CDC/mcuconf.h index 1ca1d11d1..b2e8796ad 100644 --- a/testhal/STM32/STM32F4xx/USB_CDC/mcuconf.h +++ b/testhal/STM32/STM32F4xx/USB_CDC/mcuconf.h @@ -44,7 +44,11 @@ #define STM32_CLOCK48_REQUIRED TRUE #define STM32_SW STM32_SW_PLL #define STM32_PLLSRC STM32_PLLSRC_HSE +#if defined(BOARD_ST_STM32F4_DISCOVERY) +#define STM32_PLLM_VALUE 8 +#else #define STM32_PLLM_VALUE 12 +#endif #define STM32_PLLN_VALUE 336 #define STM32_PLLP_VALUE 2 #define STM32_PLLQ_VALUE 7 diff --git a/testhal/STM32/STM32F4xx/USB_CDC/readme.txt b/testhal/STM32/STM32F4xx/USB_CDC/readme.txt index 9fd5d6f20..226822f2d 100644 --- a/testhal/STM32/STM32F4xx/USB_CDC/readme.txt +++ b/testhal/STM32/STM32F4xx/USB_CDC/readme.txt @@ -4,7 +4,8 @@ ** TARGET ** -The demo runs on an Olimex STM32-E407 board. +The demo runs on both Olimex STM32-E407 or STM32F4-Discovery boards, just +change the board reference in the Makefile. ** The Demo ** diff --git a/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.c b/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.c new file mode 100644 index 000000000..f825ec239 --- /dev/null +++ b/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.c @@ -0,0 +1,314 @@ +/* + 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" + +/* + * Endpoints to be used for USBD1. + */ +#define USBD1_DATA_REQUEST_EP 1 +#define USBD1_DATA_AVAILABLE_EP 1 +#define USBD1_INTERRUPT_REQUEST_EP 2 + +/* + * USB Device Descriptor. + */ +static const uint8_t vcom_device_descriptor_data[18] = { + USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */ + 0x02, /* bDeviceClass (CDC). */ + 0x00, /* bDeviceSubClass. */ + 0x00, /* bDeviceProtocol. */ + 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 +}; + +/* Configuration Descriptor tree for a CDC.*/ +static const 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 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 OUT EP1 state. + */ +static USBOutEndpointState ep1outstate; + +/** + * @brief EP1 initialization structure (both IN and OUT). + */ +static const USBEndpointConfig ep1config = { + USB_EP_MODE_TYPE_BULK, + NULL, + sduDataTransmitted, + sduDataReceived, + 0x0040, + 0x0040, + &ep1instate, + &ep1outstate, + 2, + NULL +}; + +/** + * @brief IN EP2 state. + */ +static USBInEndpointState ep2instate; + +/** + * @brief EP2 initialization structure (IN only). + */ +static const USBEndpointConfig ep2config = { + USB_EP_MODE_TYPE_INTR, + NULL, + sduInterruptTransmitted, + NULL, + 0x0010, + 0x0000, + &ep2instate, + NULL, + 1, + NULL +}; + +/* + * Handles the USB driver global events. + */ +static void usb_event(USBDriver *usbp, usbevent_t event) { + extern SerialUSBDriver SDU1; + + switch (event) { + case USB_EVENT_RESET: + return; + 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_INTERRUPT_REQUEST_EP, &ep2config); + + /* Resetting the state of the CDC subsystem.*/ + sduConfigureHookI(&SDU1); + + chSysUnlockFromISR(); + return; + case USB_EVENT_SUSPEND: + return; + case USB_EVENT_WAKEUP: + return; + case USB_EVENT_STALLED: + return; + } + return; +} + +/* + * USB driver configuration. + */ +const USBConfig usbcfg = { + usb_event, + get_descriptor, + sduRequestsHook, + NULL +}; + +/* + * Serial over USB driver configuration. + */ +const SerialUSBConfig serusbcfg = { + &USBD1, + USBD1_DATA_REQUEST_EP, + USBD1_DATA_AVAILABLE_EP, + USBD1_INTERRUPT_REQUEST_EP +}; diff --git a/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.h b/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.h new file mode 100644 index 000000000..2ffaa17f9 --- /dev/null +++ b/testhal/STM32/STM32F4xx/USB_CDC/usbcfg.h @@ -0,0 +1,25 @@ +/* + 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. +*/ + +#ifndef _USBCFG_H_ +#define _USBCFG_H_ + +extern const USBConfig usbcfg; +extern SerialUSBConfig serusbcfg; + +#endif /* _USBCFG_H_ */ + +/** @} */ -- cgit v1.2.3