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Diffstat (limited to 'tmk_core/protocol/arm_atsam/usb/udi_cdc.h')
| -rw-r--r-- | tmk_core/protocol/arm_atsam/usb/udi_cdc.h | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/tmk_core/protocol/arm_atsam/usb/udi_cdc.h b/tmk_core/protocol/arm_atsam/usb/udi_cdc.h new file mode 100644 index 000000000..86077ce53 --- /dev/null +++ b/tmk_core/protocol/arm_atsam/usb/udi_cdc.h @@ -0,0 +1,376 @@ +/** + * \file + * + * \brief USB Device Communication Device Class (CDC) interface definitions. + * + * Copyright (c) 2009-2016 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ +/* + * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> + */ + +#ifndef _UDI_CDC_H_ +#define _UDI_CDC_H_ + +#ifdef CDC + +#include "conf_usb.h" +#include "usb_protocol.h" +#include "usb_protocol_cdc.h" +#include "udd.h" +#include "udc_desc.h" +#include "udi.h" + +// Check the number of port +#ifndef UDI_CDC_PORT_NB +# define UDI_CDC_PORT_NB 1 +#endif +#if (UDI_CDC_PORT_NB > 1) +# error UDI_CDC_PORT_NB must be at most 1 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \addtogroup udi_cdc_group_udc + * @{ + */ + +//! Global structure which contains standard UDI API for UDC +extern UDC_DESC_STORAGE udi_api_t udi_api_cdc_comm; +extern UDC_DESC_STORAGE udi_api_t udi_api_cdc_data; +//@} + +//#define CDC_ACM_SIZE 64 see usb_protocol_cdc.h +//#define CDC_RX_SIZE 64 + +//! CDC communication endpoints size for all speeds +#define UDI_CDC_COMM_EP_SIZE CDC_ACM_SIZE +//! CDC data endpoints size for FS speed (8B, 16B, 32B, 64B) +#define UDI_CDC_DATA_EPS_FS_SIZE CDC_RX_SIZE + +//@} + +/** + * \ingroup udi_group + * \defgroup udi_cdc_group USB Device Interface (UDI) for Communication Class Device (CDC) + * + * Common APIs used by high level application to use this USB class. + * + * These routines are used to transfer and control data + * to/from USB CDC endpoint. + * + * See \ref udi_cdc_quickstart. + * @{ + */ + +/** + * \name Interface for application with single CDC interface support + */ +//@{ + +/** + * \brief Notify a state change of DCD signal + * + * \param b_set DCD is enabled if true, else disabled + */ +void udi_cdc_ctrl_signal_dcd(bool b_set); + +/** + * \brief Notify a state change of DSR signal + * + * \param b_set DSR is enabled if true, else disabled + */ +void udi_cdc_ctrl_signal_dsr(bool b_set); + +/** + * \brief Notify a framing error + */ +void udi_cdc_signal_framing_error(void); + +/** + * \brief Notify a parity error + */ +void udi_cdc_signal_parity_error(void); + +/** + * \brief Notify a overrun + */ +void udi_cdc_signal_overrun(void); + +/** + * \brief Gets the number of byte received + * + * \return the number of data available + */ +iram_size_t udi_cdc_get_nb_received_data(void); + +/** + * \brief This function checks if a character has been received on the CDC line + * + * \return \c 1 if a byte is ready to be read. + */ +bool udi_cdc_is_rx_ready(void); + +/** + * \brief Waits and gets a value on CDC line + * + * \return value read on CDC line + */ +int udi_cdc_getc(void); + +/** + * \brief Reads a RAM buffer on CDC line + * + * \param buf Values read + * \param size Number of value read + * + * \return the number of data remaining + */ +iram_size_t udi_cdc_read_buf(void* buf, iram_size_t size); + +/** + * \brief Non polling reads of a up to 'size' data from CDC line + * + * \param port Communication port number to manage + * \param buf Buffer where to store read data + * \param size Maximum number of data to read (size of buffer) + * + * \return the number of data effectively read + */ +iram_size_t udi_cdc_read_no_polling(void* buf, iram_size_t size); + +/** + * \brief Gets the number of free byte in TX buffer + * + * \return the number of free byte in TX buffer + */ +iram_size_t udi_cdc_get_free_tx_buffer(void); + +/** + * \brief This function checks if a new character sent is possible + * The type int is used to support scanf redirection from compiler LIB. + * + * \return \c 1 if a new character can be sent + */ +bool udi_cdc_is_tx_ready(void); + +/** + * \brief Puts a byte on CDC line + * The type int is used to support printf redirection from compiler LIB. + * + * \param value Value to put + * + * \return \c 1 if function was successfully done, otherwise \c 0. + */ +int udi_cdc_putc(int value); + +/** + * \brief Writes a RAM buffer on CDC line + * + * \param buf Values to write + * \param size Number of value to write + * + * \return the number of data remaining + */ +iram_size_t udi_cdc_write_buf(const void* buf, iram_size_t size); +//@} + +/** + * \name Interface for application with multi CDC interfaces support + */ +//@{ + +/** + * \brief Notify a state change of DCD signal + * + * \param port Communication port number to manage + * \param b_set DCD is enabled if true, else disabled + */ +void udi_cdc_multi_ctrl_signal_dcd(uint8_t port, bool b_set); + +/** + * \brief Notify a state change of DSR signal + * + * \param port Communication port number to manage + * \param b_set DSR is enabled if true, else disabled + */ +void udi_cdc_multi_ctrl_signal_dsr(uint8_t port, bool b_set); + +/** + * \brief Notify a framing error + * + * \param port Communication port number to manage + */ +void udi_cdc_multi_signal_framing_error(uint8_t port); + +/** + * \brief Notify a parity error + * + * \param port Communication port number to manage + */ +void udi_cdc_multi_signal_parity_error(uint8_t port); + +/** + * \brief Notify a overrun + * + * \param port Communication port number to manage + */ +void udi_cdc_multi_signal_overrun(uint8_t port); + +/** + * \brief Gets the number of byte received + * + * \param port Communication port number to manage + * + * \return the number of data available + */ +iram_size_t udi_cdc_multi_get_nb_received_data(uint8_t port); + +/** + * \brief This function checks if a character has been received on the CDC line + * + * \param port Communication port number to manage + * + * \return \c 1 if a byte is ready to be read. + */ +bool udi_cdc_multi_is_rx_ready(uint8_t port); + +/** + * \brief Waits and gets a value on CDC line + * + * \param port Communication port number to manage + * + * \return value read on CDC line + */ +int udi_cdc_multi_getc(uint8_t port); + +/** + * \brief Reads a RAM buffer on CDC line + * + * \param port Communication port number to manage + * \param buf Values read + * \param size Number of values read + * + * \return the number of data remaining + */ +iram_size_t udi_cdc_multi_read_buf(uint8_t port, void* buf, iram_size_t size); + +/** + * \brief Gets the number of free byte in TX buffer + * + * \param port Communication port number to manage + * + * \return the number of free byte in TX buffer + */ +iram_size_t udi_cdc_multi_get_free_tx_buffer(uint8_t port); + +/** + * \brief This function checks if a new character sent is possible + * The type int is used to support scanf redirection from compiler LIB. + * + * \param port Communication port number to manage + * + * \return \c 1 if a new character can be sent + */ +bool udi_cdc_multi_is_tx_ready(uint8_t port); + +/** + * \brief Puts a byte on CDC line + * The type int is used to support printf redirection from compiler LIB. + * + * \param port Communication port number to manage + * \param value Value to put + * + * \return \c 1 if function was successfully done, otherwise \c 0. + */ +int udi_cdc_multi_putc(uint8_t port, int value); + +/** + * \brief Writes a RAM buffer on CDC line + * + * \param port Communication port number to manage + * \param buf Values to write + * \param size Number of value to write + * + * \return the number of data remaining + */ +iram_size_t udi_cdc_multi_write_buf(uint8_t port, const void* buf, iram_size_t size); +//@} + +#define CDC_PRINTBUF_SIZE 256 +extern char printbuf[CDC_PRINTBUF_SIZE]; + +#define CDC_INBUF_SIZE 256 + +typedef struct { + uint32_t count; + uint32_t lastcount; + char buf[CDC_INBUF_SIZE]; +} inbuf_t; + +#else //CDC + +// keep these to accommodate calls if remaining +#define CDC_PRINTBUF_SIZE 1 +extern char printbuf[CDC_PRINTBUF_SIZE]; + +#define CDC_INBUF_SIZE 1 + +typedef struct { + uint32_t count; + uint32_t lastcount; + char buf[CDC_INBUF_SIZE]; +} inbuf_t; + +extern inbuf_t inbuf; + +#endif //CDC + +uint32_t CDC_print(char *printbuf); +int CDC_printf(const char *_Format, ...); +uint32_t CDC_input(void); +void CDC_init(void); + +#ifdef __cplusplus +} +#endif + +#endif // _UDI_CDC_H_ |