diff options
Diffstat (limited to 'usb-serial-rs485/usb_cdcacm.h')
| -rw-r--r-- | usb-serial-rs485/usb_cdcacm.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/usb-serial-rs485/usb_cdcacm.h b/usb-serial-rs485/usb_cdcacm.h new file mode 100644 index 0000000..d4e47e0 --- /dev/null +++ b/usb-serial-rs485/usb_cdcacm.h @@ -0,0 +1,74 @@ +/* + * 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 */ + |