USB host Communication Device Class interface.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
#include "conf_usb_host.h"#include "usb_protocol.h"#include "uhd.h"#include "uhc.h"#include "uhi_cdc.h"#include <string.h>Data Structures | |
| struct | uhi_cdc_buf_t |
| Internal buffer information. More... | |
| struct | uhi_cdc_dev_t |
| USB CDC device information. More... | |
| struct | uhi_cdc_line_t |
| Communication line information. More... | |
| struct | uhi_cdc_port_t |
| Communication port information. More... | |
Macros | |
| #define | UHI_CDC_BUFFER_SIZE (5*64) |
| Define the minimum internal buffer size. More... | |
| #define | UHI_CDC_RX_NOTIFY() |
Functions | |
| void | uhi_cdc_close (uint8_t port) |
| Close a port. More... | |
| iram_size_t | uhi_cdc_get_nb_received (uint8_t port) |
| This function returns the number of character available on the CDC line. More... | |
| int | uhi_cdc_getc (uint8_t port) |
| Waits and gets a value on CDC line. More... | |
| bool | uhi_cdc_is_rx_ready (uint8_t port) |
| This function checks if a character has been received on the CDC line. More... | |
| bool | uhi_cdc_is_tx_ready (uint8_t port) |
| This function checks if a new character sent is possible The type int is used to support scanf redirection from compiler LIB. More... | |
| bool | uhi_cdc_open (uint8_t port, usb_cdc_line_coding_t *configuration) |
| Open a port of UHI CDC interface. More... | |
| int | uhi_cdc_putc (uint8_t port, int value) |
| Puts a byte on CDC line The type int is used to support printf redirection from compiler LIB. More... | |
| iram_size_t | uhi_cdc_read_buf (uint8_t port, void *buf, iram_size_t size) |
| Reads a RAM buffer on CDC line. More... | |
| iram_size_t | uhi_cdc_write_buf (uint8_t port, const void *buf, iram_size_t size) |
| Writes a RAM buffer on CDC line. More... | |
Internal routines | |
| static void | uhi_cdc_free_device (void) |
| Free all CDC device structures. More... | |
| static uhi_cdc_port_t * | uhi_cdc_get_port (uint8_t port_num) |
| Returns a port structure information. More... | |
| static bool | uhi_cdc_set_conf (uint8_t port, usb_cdc_line_coding_t *configuration) |
| Changes the port configuration. More... | |
| static bool | uhi_cdc_set_ctrl_line (uint8_t port, le16_t wValue) |
| Sends a control line command on the port. More... | |
| static bool | uhi_cdc_rx_update (uhi_cdc_line_t *line) |
| Update the transfer endpoint IN (RX) Valid the reception of the previous transfer. More... | |
| static void | uhi_cdc_rx_received (usb_add_t add, usb_ep_t ep, uhd_trans_status_t status, iram_size_t nb_transferred) |
| Manage the end of RX transfer. More... | |
| static bool | uhi_cdc_tx_update (uhi_cdc_line_t *line) |
| Update the transfer endpoint OUT (TX) Start a new transfer on endpoint OUT, if a data must be send and a new USB frame is occurred since last transfer. More... | |
| static void | uhi_cdc_tx_send (usb_add_t add, usb_ep_t ep, uhd_trans_status_t status, iram_size_t nb_transferred) |
| Manage the end of TX transfer. More... | |
Interface used by UHC module | |
| uhc_enum_status_t | uhi_cdc_install (uhc_device_t *dev) |
| Install interface. More... | |
| void | uhi_cdc_enable (uhc_device_t *dev) |
| Enable the interface. More... | |
| void | uhi_cdc_uninstall (uhc_device_t *dev) |
| Uninstall the interface (if installed). More... | |
| void | uhi_cdc_sof (bool b_micro) |
| Signal that a SOF has occurred. More... | |
Variables | |
Internal defines and variables to manage CDC device | |
| static uhi_cdc_dev_t | uhi_cdc_dev |
| Information about the enumerated USB CDC device. More... | |
| #define UHI_CDC_BUFFER_SIZE (5*64) |
Define the minimum internal buffer size.
Referenced by uhi_cdc_install().
| #define UHI_CDC_RX_NOTIFY | ( | ) |
Referenced by uhi_cdc_rx_update().
1.8.5