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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2014 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* This is the header file for a usb_cdcacm implmentation, usb_cdcacm.c is the
* platform independent portion, and usb_cdcacm-arch.c should be re-implemented
* for other platforms.
*/
#ifndef USB_CDCACM_H
#define USB_CDCACM_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/cdc.h>
enum cdcacm_pin {
CDCACM_PIN_NONE,
CDCACM_PIN_LED_TX,
CDCACM_PIN_LED_RX,
CDCACM_PIN_RS485DE,
};
usbd_device * usb_cdcacm_init(const usbd_driver *driver, const char *userserial);
void usb_cdcacm_setup_pre_arch(void);
void usb_cdcacm_setup_post_arch(usbd_device *dev);
void usb_cdcacm_poll(usbd_device *usbd_dev);
void cdcacm_line_state_changed_cb(uint8_t linemask);
/**
* Called by the cdcacm core to toggle pins as need be
* @param port which serial port, 0 normally
* @param pin logical pin
* @param set set or clear
*/
void cdcacm_arch_pin(int port, enum cdcacm_pin pin, bool set);
/**
* enable the tx emmpty irq for the logical port
* @param port
* @param set
*/
void cdcacm_arch_txirq(int port, bool set);
void cdcacm_arch_set_line_state(int port, uint8_t dtr, uint8_t rts);
int glue_set_line_coding_cb(uint32_t baud, uint8_t databits,
enum usb_cdc_line_coding_bParityType cdc_parity,
enum usb_cdc_line_coding_bCharFormat cdc_stopbits);
#ifdef __cplusplus
}
#endif
#endif /* USB_CDCACM_H */
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