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 <libopencm3/usb/dwc/otg_fs.h>
#include "mcu_periph/usb_serial.h"
#include "mcu_periph/sys_time_arch.h"

Include dependency graph for usb_ser_hw.c:

Go to the source code of this file.

Data Structures
struct	fifo_t

Macros
#define	MAX_PACKET_SIZE 64

#define	VCOM_FIFO_SIZE 256

#define	TX_TIMEOUT_CNT 20

Functions
void	fifo_init (fifo_t fifo, uint8_t buf)

bool	fifo_put (fifo_t *fifo, uint8_t c)

bool	fifo_get (fifo_t fifo, uint8_t pc)

bool	fifo_peek (fifo_t fifo, uint8_t pc, uint8_t ofs)

int	fifo_avail (fifo_t *fifo)

int	fifo_free (fifo_t *fifo)

static enum usbd_request_return_codes	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...

int	VCOM_peekchar (int ofs)
	Reads one character from VCOM port without removing it from the queue. More...

bool	VCOM_check_free_space (uint16_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, long fd, uint16_t len)

static void	usb_serial_transmit (struct usb_serial_periph *p, long fd, uint8_t byte)

static void	usb_serial_transmit_buffer (struct usb_serial_periph p, long fd, uint8_t data, uint16_t len)

static void	usb_serial_send (struct usb_serial_periph *p, long fd)

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

int	tx_timeout

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	usb_connected

struct usb_serial_periph	usb_serial

Detailed Description

CDC USB device driver for STM32 architecture (STM32F1, STM32F4)

Definition in file usb_ser_hw.c.

Data Structure Documentation

◆ fifo_t

struct fifo_t

Definition at line 52 of file usb_ser_hw.c.

Data Fields
uint8_t *	buf
int	head
size_t	size
int	tail

Macro Definition Documentation

◆ MAX_PACKET_SIZE

#define MAX_PACKET_SIZE 64

Definition at line 46 of file usb_ser_hw.c.

◆ TX_TIMEOUT_CNT

#define TX_TIMEOUT_CNT 20

Definition at line 50 of file usb_ser_hw.c.

◆ VCOM_FIFO_SIZE

#define VCOM_FIFO_SIZE 256

Definition at line 48 of file usb_ser_hw.c.

Function Documentation

◆ cdcacm_control_request()

static enum usbd_request_return_codes cdcacm_control_request	(	usbd_device *	usbd_dev,
		struct usb_setup_data *	req,
		uint8_t **	buf,
		uint16_t *	len,
		void(*)(usbd_device usbd_dev, struct usb_setup_data *req)	complete
	)

static

CDC device control request (from libopencm3 examples)

Definition at line 227 of file usb_ser_hw.c.

Referenced by cdcacm_set_config().

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◆ cdcacm_data_rx_cb()

static void cdcacm_data_rx_cb	(	usbd_device *	usbd_dev,
		uint8_t	ep
	)

static

RX callback for CDC device (from libopencm3 examples)

Definition at line 276 of file usb_ser_hw.c.

References fifo_put(), MAX_PACKET_SIZE, and rxfifo.

Referenced by cdcacm_set_config().

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◆ cdcacm_set_config()

static void cdcacm_set_config	(	usbd_device *	usbd_dev,
		uint16_t	wValue
	)

static

Set configuration and control callbacks for CDC device (from libopencm3 examples)

Definition at line 303 of file usb_ser_hw.c.

References cdcacm_control_request(), cdcacm_data_rx_cb(), MAX_PACKET_SIZE, suspend_cb(), and usb_connected.

Referenced by VCOM_init().

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◆ fifo_avail()

static int fifo_avail ( fifo_t * fifo )

Definition at line 367 of file usb_ser_hw.c.

References fifo_t::head, fifo_t::tail, and VCOM_FIFO_SIZE.

Referenced by fifo_free(), fifo_peek(), VCOM_check_available(), and VCOM_event().

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◆ fifo_free()

static int fifo_free ( fifo_t * fifo )

Definition at line 373 of file usb_ser_hw.c.

References fifo_avail(), and VCOM_FIFO_SIZE.

Referenced by VCOM_check_free_space().

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◆ fifo_get()

static bool fifo_get	(	fifo_t *	fifo,
		uint8_t *	pc
	)

Definition at line 349 of file usb_ser_hw.c.

References fifo_t::buf, fifo_t::head, fifo_t::tail, and VCOM_FIFO_SIZE.

Referenced by VCOM_getchar().

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◆ fifo_init()

void fifo_init	(	fifo_t *	fifo,
		uint8_t *	buf
	)

Definition at line 322 of file usb_ser_hw.c.

References fifo_t::buf, fifo_t::head, and fifo_t::tail.

Referenced by VCOM_init().

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◆ fifo_peek()

bool fifo_peek	(	fifo_t *	fifo,
		uint8_t *	pc,
		uint8_t	ofs
	)

Definition at line 378 of file usb_ser_hw.c.

References fifo_t::buf, fifo_avail(), fifo_t::tail, and VCOM_FIFO_SIZE.

Referenced by VCOM_peekchar().

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◆ fifo_put()

static bool fifo_put	(	fifo_t *	fifo,
		uint8_t	c
	)

Definition at line 331 of file usb_ser_hw.c.

References fifo_t::buf, fifo_t::head, fifo_t::tail, and VCOM_FIFO_SIZE.

Referenced by cdcacm_data_rx_cb(), and VCOM_putchar().

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◆ suspend_cb()

static void suspend_cb ( void )

static

Definition at line 294 of file usb_ser_hw.c.

References usb_connected.

Referenced by cdcacm_set_config().

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◆ usb_serial_char_available()

static int usb_serial_char_available ( struct usb_serial_periph * p )

static

Definition at line 555 of file usb_ser_hw.c.

References VCOM_check_available().

Referenced by VCOM_init().

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◆ usb_serial_check_free_space()

static int usb_serial_check_free_space	(	struct usb_serial_periph *	p,
		long *	fd,
		uint16_t	len
	)

static

Definition at line 526 of file usb_ser_hw.c.

References VCOM_check_free_space().

Referenced by VCOM_init().

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◆ usb_serial_getch()

static uint8_t usb_serial_getch ( struct usb_serial_periph * p )

static

Definition at line 560 of file usb_ser_hw.c.

References VCOM_getchar().

Referenced by VCOM_init().

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◆ usb_serial_send()

static void usb_serial_send	(	struct usb_serial_periph *	p,
		long	fd
	)

static

Definition at line 550 of file usb_ser_hw.c.

References VCOM_send_message().

Referenced by VCOM_init().

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◆ usb_serial_transmit()

static void usb_serial_transmit	(	struct usb_serial_periph *	p,
		long	fd,
		uint8_t	byte
	)

static

Definition at line 533 of file usb_ser_hw.c.

References VCOM_putchar().

Referenced by main_periodic_task(), and VCOM_init().

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◆ usb_serial_transmit_buffer()

static void usb_serial_transmit_buffer	(	struct usb_serial_periph *	p,
		long	fd,
		uint8_t *	data,
		uint16_t	len
	)

static

Definition at line 540 of file usb_ser_hw.c.

References VCOM_putchar().

Referenced by VCOM_init().

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◆ VCOM_check_available()

int VCOM_check_available ( void )

Checks if data available in VCOM buffer.

Returns: nonzero if char is available in the queue, zero otherwise

Definition at line 459 of file usb_ser_hw.c.

References fifo_avail(), and rxfifo.

Referenced by dfu_command_event(), event_usb_serial(), ReadUsbBuffer(), tunnel_event(), and usb_serial_char_available().

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◆ VCOM_check_free_space()

bool VCOM_check_free_space ( uint16_t len )

Checks if buffer free in VCOM buffer.

Returns: TRUE if len bytes are free

Definition at line 450 of file usb_ser_hw.c.

References FALSE, fifo_free(), TRUE, and txfifo.

Referenced by dfu_command_event(), tunnel_event(), usb_serial_check_free_space(), and VCOM_putchar().

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◆ VCOM_event()

void VCOM_event ( void )

Poll usb (required by libopencm3).

VCOM_event() should be called from main/module event function

Definition at line 468 of file usb_ser_hw.c.

References fifo_avail(), my_usbd_dev, tx_timeout, txfifo, and VCOM_send_message().

Referenced by event_usb_serial(), main(), and mcu_event().

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◆ VCOM_getchar()

int VCOM_getchar ( void )

Reads one character from VCOM port.

Returns: character read, or -1 if character could not be read

Definition at line 425 of file usb_ser_hw.c.

References fifo_get(), and rxfifo.

Referenced by dfu_command_event(), event_usb_serial(), ReadUsbBuffer(), tunnel_event(), and usb_serial_getch().

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◆ VCOM_init()

void VCOM_init ( void )

Definition at line 565 of file usb_ser_hw.c.

References cdcacm_set_config(), config, dev, usb_serial_periph::device, fifo_init(), GPIO11, GPIO12, GPIO_AF10, GPIOA, my_usbd_dev, rxdata, rxfifo, serial_no, tx_timeout, txdata, txfifo, usb_connected, usb_serial, usb_serial_char_available(), usb_serial_check_free_space(), usb_serial_getch(), usb_serial_send(), usb_serial_transmit(), usb_serial_transmit_buffer(), usb_strings, and usbd_control_buffer.

Referenced by init_usb_serial(), main(), and mcu_init().

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◆ VCOM_peekchar()

int VCOM_peekchar ( int ofs )

Reads one character from VCOM port without removing it from the queue.

Parameters

ofs	position to read

Returns: character read, or -1 if character could not be read

Definition at line 438 of file usb_ser_hw.c.

References fifo_peek(), and rxfifo.

Referenced by dfu_command_event().

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◆ VCOM_putchar()

int VCOM_putchar ( int c )

Writes one character to VCOM port fifo.

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.

Parameters

[in] c character to write

Returns: character to be written, -1 if not usb is not connected

Definition at line 397 of file usb_ser_hw.c.

References fifo_put(), sys_time_usleep(), tx_timeout, TX_TIMEOUT_CNT, txfifo, usb_connected, VCOM_check_free_space(), and VCOM_send_message().

Referenced by cmd_execute(), periodic_usb_serial(), tunnel_event(), usb_serial_parse_packet(), usb_serial_transmit(), and usb_serial_transmit_buffer().

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◆ VCOM_send_message()

void VCOM_send_message ( void )

Send data from fifo right now.

Only if usb is connected.

Definition at line 487 of file usb_ser_hw.c.

Referenced by cmd_execute(), usb_serial_parse_packet(), usb_serial_send(), VCOM_event(), and VCOM_putchar().

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Variable Documentation

◆

const { ... } cdcacm_functional_descriptors

Initial value:

= {
  .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 = 0,
  },
  .cdc_union = {
    .bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
    .bDescriptorType = CS_INTERFACE,
    .bDescriptorSubtype = USB_CDC_TYPE_UNION,
    .bControlInterface = 0,
    .bSubordinateInterface0 = 1,
  }
}

◆ comm_endp

const struct usb_endpoint_descriptor comm_endp[]

static

Initial value:

= {{
    .bLength = USB_DT_ENDPOINT_SIZE,
    .bDescriptorType = USB_DT_ENDPOINT,
    .bEndpointAddress = 0x83,
    .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
    .wMaxPacketSize = 16,
    .bInterval = 255,
  }
}

Definition at line 72 of file usb_ser_hw.c.

◆ comm_iface

const struct usb_interface_descriptor comm_iface[]

static

Initial value:

= {{
    .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 = 0,
 
    .endpoint = comm_endp,
 
    .extra = &cdcacm_functional_descriptors,
    .extralen = sizeof(cdcacm_functional_descriptors)
  }
}

Definition at line 72 of file usb_ser_hw.c.

◆ config

const struct usb_config_descriptor config

static

Initial value:

= {
  .bLength = USB_DT_CONFIGURATION_SIZE,
  .bDescriptorType = USB_DT_CONFIGURATION,
  .wTotalLength = 0,
  .bNumInterfaces = 2,
  .bConfigurationValue = 1,
  .iConfiguration = 0,
  .bmAttributes = 0x80,
  .bMaxPower = 0x32,
 
  .interface = ifaces,
}

Definition at line 72 of file usb_ser_hw.c.

Referenced by bmi088_send_config(), dshotStart(), gpio_init(), mpu60x0_send_config(), mpu9250_send_config(), msdStart(), py_check_status(), python_init(), and VCOM_init().

◆ data_endp

const struct usb_endpoint_descriptor data_endp[]

static

Initial value:

= {{
    .bLength = USB_DT_ENDPOINT_SIZE,
    .bDescriptorType = USB_DT_ENDPOINT,
    .bEndpointAddress = 0x01,
    .bmAttributes = USB_ENDPOINT_ATTR_BULK,
    .wMaxPacketSize = MAX_PACKET_SIZE,
    .bInterval = 1,
  }, {
    .bLength = USB_DT_ENDPOINT_SIZE,
    .bDescriptorType = USB_DT_ENDPOINT,
    .bEndpointAddress = 0x82,
    .bmAttributes = USB_ENDPOINT_ATTR_BULK,
    .wMaxPacketSize = MAX_PACKET_SIZE,
    .bInterval = 1,
  }
}

Definition at line 72 of file usb_ser_hw.c.

◆ data_iface

const struct usb_interface_descriptor data_iface[]

static

Initial value:

= {{
    .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 = data_endp,
  }
}

Definition at line 72 of file usb_ser_hw.c.

◆ dev

const struct usb_device_descriptor dev

static

Initial value:

= {
  .bLength = USB_DT_DEVICE_SIZE,
  .bDescriptorType = USB_DT_DEVICE,
  .bcdUSB = 0x0200,
  .bDeviceClass = USB_CLASS_CDC,
  .bDeviceSubClass = 0,
  .bDeviceProtocol = 0,
  .bMaxPacketSize0 = MAX_PACKET_SIZE,
  .idVendor = 0x1d50, 
  .idProduct = 0x603d, 
  .bcdDevice = 0x0200,
  .iManufacturer = 1,
  .iProduct = 2,
  .iSerialNumber = 3,
  .bNumConfigurations = 1,
}

Definition at line 72 of file usb_ser_hw.c.

Referenced by actuators_sbus_send(), actuators_spektrum_send(), actuators_uavcan_send_esc(), adc_msg_send(), air_data_parse_WIND_INFO(), airspeed_ets_downlink(), airspeed_uavcan_downlink(), can_fuelcell_send_telemetry(), configure_isp(), datalink_parse_PING(), debug_vect(), dl_parse_msg(), DlCheckAndParse(), DownlinkSendWp(), esc32_msg_send(), esc_msg_send(), faulhaber_send_command(), gps_mtk_event(), gps_nmea_event(), gps_sirf_event(), gps_skytraq_event(), gps_ublox_write(), gps_ubx_event(), hott_common_decode_event(), hott_common_init(), ins_event_check_and_handle(), intermcu_dl_repack(), mateksys3901l0x_send_optical_flow(), mavlink_check_and_parse(), ms45xx_downlink(), multi_ranger_boot_device(), nav_parse_BLOCK(), opticflow_telem_send(), pca95xx_configure(), pca95xx_get_input(), pca95xx_init(), pca95xx_set_output(), power_uavcan_send_power_device(), print_hex(), print_hex16(), print_hex32(), print_string(), range_sensor_uavcan_send_lidar(), RdByte(), RdMulti(), rpm_sensor_send_motor(), sbus_common_decode_event(), sbus_common_init(), sdp3x_downlink(), send_accel(), send_accel_raw(), send_accel_scaled(), send_actuators(), send_ahrs_bias(), send_ahrs_quat(), send_ahrs_ref_quat(), send_air_data(), send_airspeed(), send_airspeed_wind_ekf(), send_airspeed_wind_ekf_debug(), send_aligner(), send_alive(), send_amsl(), send_aoa(), send_approach_moving_target(), send_att(), send_att_full_indi(), send_att_indi(), send_att_ref(), send_attitude(), send_autopilot_version(), send_baro_bmp_data(), send_baro_raw(), send_batmon(), send_bebop_actuators(), send_bias(), send_bluegiga(), send_body_rates_accel(), send_calibration(), send_cam(), send_cc2500_ppm(), send_chirp(), send_circle(), send_cloud_sensor_data(), send_commands(), send_ctc(), send_ctc_control(), send_ctl_a(), send_desired(), send_detect_gate_visual_position(), send_divergence(), send_dl_value(), send_doublet(), send_downlink(), send_dragspeed(), send_eff_mat_g_indi(), send_eff_mat_g_indi_simple(), send_eff_mat_guid_indi_hybrid(), send_eff_mat_guid_oneloop_andi(), send_eff_mat_stab_oneloop_andi(), send_energy(), send_estimator(), send_euler(), send_euler_int(), send_external_pose_down(), send_fbw_status(), send_filter_status(), send_fp(), send_fp_min(), send_geo_mag(), send_gh(), send_gps(), send_gps_int(), send_gps_lla(), send_gps_relpos(), send_gps_sol(), send_guidance_indi_hybrid(), send_guidance_oneloop_andi(), send_gvf(), send_gvf_parametric(), send_gyro(), send_gyro_raw(), send_gyro_scaled(), send_hff(), send_hff_debug(), send_hott(), send_hover_loop(), send_href(), send_hybrid_guidance(), send_i2c_err(), send_imu_heater(), send_indi_guidance(), send_ins(), send_ins_ekf2(), send_ins_ekf2_ext(), send_ins_flow(), send_ins_ref(), send_ins_z(), send_inv_filter(), send_jevois_mavlink_visual_position(), send_jevois_mavlink_visual_target(), send_mag(), send_mag_heading(), send_mag_raw(), send_mag_scaled(), send_minimal_com(), send_mode(), send_motor_mixing(), send_nav(), send_nav_ref(), send_nav_status(), send_navdata(), send_oneloop_andi(), send_oneloop_debug(), send_optical_flow_hover(), send_parachute(), send_piksi_heartbeat(), send_ppm(), send_quat(), send_rate(), send_rc(), send_relative_localization_data(), send_rotating_wing_state(), send_rotorcraft_rc(), send_sbus(), send_sdlog_status(), send_secure_link_info(), send_segment(), send_status(), send_superbit(), send_survey(), send_svinfo(), send_svinfo_available(), send_svinfo_id(), send_target_pos_info(), send_thumbnails(), send_tune_hover(), send_tune_roll(), send_tune_vert(), send_uart_err(), send_vert_loop(), send_vff(), send_vffe(), send_vn_info(), send_wave(), send_wind(), send_wind_estimator(), send_wind_info(), send_wind_info_ret(), send_windtunnel_meas(), send_wls_u(), send_wls_u_oneloop(), send_wls_u_stab(), send_wls_v(), send_wls_v_oneloop(), send_wls_v_stab(), send_wp_moved(), settings_parse_msg_GET_SETTING(), settings_parse_msg_SETTING(), spektrum_uart_check(), temp_adc_downlink(), tfmini_i2c_send_lidar(), tfmini_send_lidar(), thd_lidar_vl53l5cx(), throttle_curve_send_telem(), ubx_header(), ubx_send_1byte(), ubx_send_bytes(), ubx_send_cfg_rst(), ubx_trailer(), v4l2_capture_thread(), v4l2_close(), v4l2_image_free(), v4l2_image_get(), v4l2_image_get_nonblock(), v4l2_init(), v4l2_start_capture(), v4l2_stop_capture(), VCOM_init(), VL53L1_NonBlocking_ReadMulti(), VL53L1_NonBlocking_WriteMulti(), VL53L1_RdByte(), VL53L1_RdDWord(), VL53L1_RdWord(), VL53L1_ReadMulti(), VL53L1_WrByte(), VL53L1_WrDWord(), VL53L1_WriteMulti(), VL53L1_WrWord(), VL53L1X_BootDevice(), VL53L1X_BootState(), VL53L1X_CheckForDataReady(), VL53L1X_ClearInterrupt(), VL53L1X_GetAmbientPerSpad(), VL53L1X_GetAmbientRate(), VL53L1X_GetDistance(), VL53L1X_GetDistanceMode(), VL53L1X_GetDistanceThresholdHigh(), VL53L1X_GetDistanceThresholdLow(), VL53L1X_GetDistanceThresholdWindow(), VL53L1X_GetInterMeasurementInMs(), VL53L1X_GetInterruptPolarity(), VL53L1X_GetOffset(), VL53L1X_GetRangeStatus(), VL53L1X_GetResult(), VL53L1X_GetROI_XY(), VL53L1X_GetROICenter(), VL53L1X_GetSensorId(), VL53L1X_GetSigmaThreshold(), VL53L1X_GetSignalPerSpad(), VL53L1X_GetSignalRate(), VL53L1X_GetSignalThreshold(), VL53L1X_GetSpadNb(), VL53L1X_GetTimingBudgetInMs(), VL53L1X_GetXtalk(), VL53L1X_NonBlocking_CheckForDataReady(), VL53L1X_NonBlocking_ClearInterrupt(), VL53L1X_NonBlocking_GetDistance(), VL53L1X_NonBlocking_GetRangeStatus(), VL53L1X_NonBlocking_IsIdle(), VL53L1X_NonBlocking_ReadDataEvent(), VL53L1X_NonBlocking_RequestData(), VL53L1X_SensorInit(), VL53L1X_SetDistanceMode(), VL53L1X_SetDistanceThreshold(), VL53L1X_SetI2CAddress(), VL53L1X_SetInterMeasurementInMs(), VL53L1X_SetInterruptPolarity(), VL53L1X_SetOffset(), VL53L1X_SetROI(), VL53L1X_SetROICenter(), VL53L1X_SetSigmaThreshold(), VL53L1X_SetSignalThreshold(), VL53L1X_SetTimingBudgetInMs(), VL53L1X_SetXtalk(), VL53L1X_StartRanging(), VL53L1X_StartTemperatureUpdate(), VL53L1X_StopRanging(), vn200_event(), vn200_read_buffer(), w5100_check_and_parse(), WrByte(), WrMulti(), and xsens_parser_event().

◆ ifaces

const struct usb_interface ifaces[]

static

Initial value:

= {{
    .num_altsetting = 1,
    .altsetting = comm_iface,
  }, {
    .num_altsetting = 1,
    .altsetting = data_iface,
  }
}

Definition at line 72 of file usb_ser_hw.c.

◆ my_usbd_dev

usbd_device* my_usbd_dev

Definition at line 72 of file usb_ser_hw.c.

Referenced by VCOM_event(), and VCOM_init().

◆ rxdata

uint8_t rxdata[VCOM_FIFO_SIZE]

static

Definition at line 59 of file usb_ser_hw.c.

Referenced by VCOM_init().

◆ rxfifo

fifo_t rxfifo

static

Definition at line 62 of file usb_ser_hw.c.

Referenced by cdcacm_data_rx_cb(), VCOM_check_available(), VCOM_getchar(), VCOM_init(), and VCOM_peekchar().

◆ serial_no

char serial_no[25]

static

Definition at line 213 of file usb_ser_hw.c.

Referenced by VCOM_init().

◆ tx_timeout

int tx_timeout

Definition at line 70 of file usb_ser_hw.c.

Referenced by VCOM_event(), VCOM_init(), and VCOM_putchar().

◆ txdata

uint8_t txdata[VCOM_FIFO_SIZE]

static

Definition at line 58 of file usb_ser_hw.c.

Referenced by VCOM_init().

◆ txfifo

fifo_t txfifo

static

Definition at line 61 of file usb_ser_hw.c.

Referenced by VCOM_check_free_space(), VCOM_event(), VCOM_init(), and VCOM_putchar().

◆ usb_connected

bool usb_connected

static

Definition at line 291 of file usb_ser_hw.c.

Referenced by cdcacm_set_config(), suspend_cb(), VCOM_init(), and VCOM_putchar().

◆ usb_serial

struct usb_serial_periph usb_serial

Definition at line 487 of file usb_ser_hw.c.

Referenced by VCOM_init().

◆ usb_strings

const char* usb_strings[]

static

Initial value:

= {
  "Paparazzi UAV",
  "CDC Serial STM32",
  serial_no,
}

Definition at line 216 of file usb_ser_hw.c.

Referenced by VCOM_init().

◆ usbd_control_buffer

uint8_t usbd_control_buffer[128]

Definition at line 227 of file usb_ser_hw.c.

Referenced by VCOM_init().

Data Structures

Macros

Functions

Variables

Detailed Description

Data Structure Documentation

◆ fifo_t

Macro Definition Documentation

◆ MAX_PACKET_SIZE

◆ TX_TIMEOUT_CNT

◆ VCOM_FIFO_SIZE

Function Documentation

◆ cdcacm_control_request()

◆ cdcacm_data_rx_cb()

◆ cdcacm_set_config()

◆ fifo_avail()

◆ fifo_free()

◆ fifo_get()

◆ fifo_init()

◆ fifo_peek()

◆ fifo_put()

◆ suspend_cb()

◆ usb_serial_char_available()

◆ usb_serial_check_free_space()

◆ usb_serial_getch()

◆ usb_serial_send()

◆ usb_serial_transmit()

◆ usb_serial_transmit_buffer()

◆ VCOM_check_available()

◆ VCOM_check_free_space()

◆ VCOM_event()

◆ VCOM_getchar()

◆ VCOM_init()

◆ VCOM_peekchar()

◆ VCOM_putchar()

◆ VCOM_send_message()

Variable Documentation

◆

◆ comm_endp

◆ comm_iface

◆ config

◆ data_endp

◆ data_iface

◆ dev

◆ ifaces

◆ my_usbd_dev

◆ rxdata

◆ rxfifo

◆ serial_no

◆ tx_timeout

◆ txdata

◆ txfifo

◆ usb_connected

◆ usb_serial

◆ usb_strings

◆ usbd_control_buffer