Paparazzi UAS
v5.8.2_stable-0-g6260b7c
Paparazzi is a free software Unmanned Aircraft System.
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CDC USB device driver for STM32 architecture (STM32F1, STM32F4) More...
#include <stdlib.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/cm3/systick.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/cdc.h>
#include <libopencm3/cm3/scb.h>
#include <libopencm3/stm32/desig.h>
#include "mcu_periph/usb_serial.h"
Go to the source code of this file.
Data Structures | |
struct | fifo_t |
Macros | |
#define | MAX_PACKET_SIZE 64 |
#define | VCOM_FIFO_SIZE 128 |
Functions | |
void | fifo_init (fifo_t *fifo, uint8_t *buf) |
bool_t | fifo_put (fifo_t *fifo, uint8_t c) |
bool_t | fifo_get (fifo_t *fifo, uint8_t *pc) |
int | fifo_avail (fifo_t *fifo) |
int | fifo_free (fifo_t *fifo) |
static int | cdcacm_control_request (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len, void(**complete)(usbd_device *usbd_dev, struct usb_setup_data *req)) |
CDC device control request (from libopencm3 examples) More... | |
static void | cdcacm_data_rx_cb (usbd_device *usbd_dev, uint8_t ep) |
RX callback for CDC device (from libopencm3 examples) More... | |
static void | suspend_cb (void) |
static void | cdcacm_set_config (usbd_device *usbd_dev, uint16_t wValue) |
Set configuration and control callbacks for CDC device (from libopencm3 examples) More... | |
int | VCOM_putchar (int c) |
Writes one character to VCOM port fifo. More... | |
int | VCOM_getchar (void) |
Reads one character from VCOM port. More... | |
bool_t | VCOM_check_free_space (uint8_t len) |
Checks if buffer free in VCOM buffer. More... | |
int | VCOM_check_available (void) |
Checks if data available in VCOM buffer. More... | |
void | VCOM_event (void) |
Poll usb (required by libopencm3). More... | |
void | VCOM_send_message (void) |
Send data from fifo right now. More... | |
static int | usb_serial_check_free_space (struct usb_serial_periph *p, uint8_t len) |
static void | usb_serial_transmit (struct usb_serial_periph *p, uint8_t byte) |
static void | usb_serial_send (struct usb_serial_periph *p) |
static int | usb_serial_char_available (struct usb_serial_periph *p) |
static uint8_t | usb_serial_getch (struct usb_serial_periph *p) |
void | VCOM_init (void) |
Variables | |
static uint8_t | txdata [VCOM_FIFO_SIZE] |
static uint8_t | rxdata [VCOM_FIFO_SIZE] |
static fifo_t | txfifo |
static fifo_t | rxfifo |
usbd_device * | my_usbd_dev |
static const struct usb_device_descriptor | dev |
static const struct usb_endpoint_descriptor | comm_endp [] |
static const struct usb_endpoint_descriptor | data_endp [] |
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 |
} | cdcacm_functional_descriptors |
static const struct usb_interface_descriptor | comm_iface [] |
static const struct usb_interface_descriptor | data_iface [] |
static const struct usb_interface | ifaces [] |
static const struct usb_config_descriptor | config |
static char | serial_no [25] |
static const char * | usb_strings [] |
uint8_t | usbd_control_buffer [128] |
static bool_t | usb_connected |
struct usb_serial_periph | usb_serial |
CDC USB device driver for STM32 architecture (STM32F1, STM32F4)
Definition in file usb_ser_hw.c.
struct fifo_t |
Definition at line 90 of file usb_ser_hw.c.
Data Fields | ||
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uint8_t * | buf | |
int | head | |
int | tail |
#define MAX_PACKET_SIZE 64 |
Definition at line 44 of file usb_ser_hw.c.
Referenced by cdcacm_data_rx_cb(), cdcacm_set_config(), and VCOM_send_message().
#define VCOM_FIFO_SIZE 128 |
Definition at line 46 of file usb_ser_hw.c.
Referenced by fifo_avail(), fifo_free(), fifo_get(), and fifo_put().
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CDC device control request (from libopencm3 examples)
Definition at line 228 of file usb_ser_hw.c.
Referenced by cdcacm_set_config().
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RX callback for CDC device (from libopencm3 examples)
Definition at line 271 of file usb_ser_hw.c.
References fifo_put(), and MAX_PACKET_SIZE.
Referenced by cdcacm_set_config().
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Set configuration and control callbacks for CDC device (from libopencm3 examples)
Definition at line 298 of file usb_ser_hw.c.
References cdcacm_control_request(), cdcacm_data_rx_cb(), MAX_PACKET_SIZE, suspend_cb(), and TRUE.
Referenced by VCOM_init().
int fifo_avail | ( | fifo_t * | fifo | ) |
Definition at line 362 of file usb_ser_hw.c.
References fifo_t::head, fifo_t::tail, and VCOM_FIFO_SIZE.
int fifo_free | ( | fifo_t * | fifo | ) |
Definition at line 368 of file usb_ser_hw.c.
References fifo_avail(), and VCOM_FIFO_SIZE.
Definition at line 344 of file usb_ser_hw.c.
References fifo_t::buf, FALSE, fifo_t::head, fifo_t::tail, TRUE, and VCOM_FIFO_SIZE.
Definition at line 317 of file usb_ser_hw.c.
References fifo_t::buf, buf, fifo_t::head, and fifo_t::tail.
Definition at line 326 of file usb_ser_hw.c.
References fifo_t::buf, FALSE, fifo_t::head, fifo_t::tail, TRUE, and VCOM_FIFO_SIZE.
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Definition at line 289 of file usb_ser_hw.c.
References FALSE.
Referenced by cdcacm_set_config().
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Definition at line 489 of file usb_ser_hw.c.
References VCOM_check_available().
Referenced by VCOM_init().
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Definition at line 473 of file usb_ser_hw.c.
References VCOM_check_free_space().
Referenced by VCOM_init().
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Definition at line 494 of file usb_ser_hw.c.
References VCOM_getchar().
Referenced by VCOM_init().
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Definition at line 484 of file usb_ser_hw.c.
References VCOM_send_message().
Referenced by VCOM_init().
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Definition at line 479 of file usb_ser_hw.c.
References VCOM_putchar().
Referenced by VCOM_init().
int VCOM_check_available | ( | void | ) |
Checks if data available in VCOM buffer.
Definition at line 425 of file usb_ser_hw.c.
References fifo_avail().
bool_t VCOM_check_free_space | ( | uint8_t | len | ) |
Checks if buffer free in VCOM buffer.
Definition at line 416 of file usb_ser_hw.c.
References FALSE, fifo_free(), and TRUE.
void VCOM_event | ( | void | ) |
Poll usb (required by libopencm3).
VCOM_event() should be called from main/module event function
Definition at line 434 of file usb_ser_hw.c.
References my_usbd_dev.
int VCOM_getchar | ( | void | ) |
Reads one character from VCOM port.
Definition at line 404 of file usb_ser_hw.c.
References BULK_OUT_EP, BulkOut(), BulkOut_is_blocked, disableIRQ(), enableIRQ(), EOF, fifo_free(), fifo_get(), and MAX_PACKET_SIZE.
void VCOM_init | ( | void | ) |
Definition at line 499 of file usb_ser_hw.c.
References _VIC_ADDR, _VIC_CNTL, abClassReqData, BULK_IN_EP, BULK_OUT_EP, BulkIn(), BulkOut(), cdcacm_set_config(), link_device::char_available, link_device::check_free_space, dev, usb_serial_periph::device, FALSE, fifo_init(), link_device::get_byte, GPIO11, GPIO12, GPIOA, HandleClassRequest(), INT_IN_EP, my_usbd_dev, link_device::periph, link_device::put_byte, rxdata, link_device::send_message, TRUE, txdata, usb_serial, usb_serial_char_available(), usb_serial_check_free_space(), usb_serial_getch(), usb_serial_send(), usb_serial_transmit(), USB_VIC_SLOT, USBFrameHandler(), USBIntHandler(), VIC_BIT, VIC_ENABLE, VIC_USB, VICIntEnable, and VICIntSelect.
int VCOM_putchar | ( | int | c | ) |
Writes one character to VCOM port fifo.
Writes one character to VCOM port.
Since we don't really have an instant feeedback from USB driver if the character was written, we always return c if we are connected.
[in] | c | character to write |
Definition at line 383 of file usb_ser_hw.c.
References EOF, fifo_put(), VCOM_check_free_space(), and VCOM_send_message().
void VCOM_send_message | ( | void | ) |
Send data from fifo right now.
Only if usb is connected.
Definition at line 443 of file usb_ser_hw.c.
References fifo_get(), MAX_PACKET_SIZE, and my_usbd_dev.
const { ... } cdcacm_functional_descriptors |
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Definition at line 91 of file usb_ser_hw.c.
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Definition at line 153 of file usb_ser_hw.c.
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Definition at line 195 of file usb_ser_hw.c.
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Definition at line 101 of file usb_ser_hw.c.
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Definition at line 171 of file usb_ser_hw.c.
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Definition at line 69 of file usb_ser_hw.c.
Referenced by GpsEvent(), ins_event_check_and_handle(), parse_ins_msg(), v4l2_capture_thread(), v4l2_init(), and VCOM_init().
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Definition at line 186 of file usb_ser_hw.c.
usbd_device* my_usbd_dev |
Definition at line 67 of file usb_ser_hw.c.
Referenced by VCOM_event(), VCOM_init(), and VCOM_send_message().
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Definition at line 55 of file usb_ser_hw.c.
Referenced by VCOM_init().
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Definition at line 58 of file usb_ser_hw.c.
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Definition at line 208 of file usb_ser_hw.c.
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Definition at line 54 of file usb_ser_hw.c.
Referenced by VCOM_init().
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Definition at line 57 of file usb_ser_hw.c.
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Definition at line 286 of file usb_ser_hw.c.
struct usb_serial_periph usb_serial |
Definition at line 470 of file usb_ser_hw.c.
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Definition at line 211 of file usb_ser_hw.c.
uint8_t usbd_control_buffer[128] |
Definition at line 222 of file usb_ser_hw.c.