diff options
Diffstat (limited to 'nuttx/drivers/sercomm/console.c')
| -rw-r--r-- | nuttx/drivers/sercomm/console.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/nuttx/drivers/sercomm/console.c b/nuttx/drivers/sercomm/console.c deleted file mode 100644 index 3d038af7c..000000000 --- a/nuttx/drivers/sercomm/console.c +++ /dev/null @@ -1,182 +0,0 @@ -/**************************************************************************** - * drivers/sercomm/console.c - * Driver for NuttX Console - * - * (C) 2010 by Harald Welte <laforge@gnumonks.org> - * (C) 2011 Stefan Richter <ichgeh@l--putt.de> - * - * This source code is derivated from Osmocom-BB project and was - * relicensed as BSD with permission from original authors. - * - * 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. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - **************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/arch.h> -#include <nuttx/fs/fs.h> -#include <nuttx/serial/serial.h> - -#include <errno.h> -#include <debug.h> -#include <string.h> - -#include "uart.h" -#include <nuttx/sercomm/sercomm.h> - -/* stubs to make serial driver happy */ -void sercomm_recvchars(void *a) { } -void sercomm_xmitchars(void *a) { } - -/* Stubs to make memory allocator happy */ -void cons_puts(void *foo){} -void delay_ms(int ms){} - -/************************************************************************************ - * Fileops Prototypes and Structures - ************************************************************************************/ - -typedef FAR struct file file_t; - -static ssize_t sc_console_read(file_t *filep, FAR char *buffer, size_t buflen); -static ssize_t sc_console_write(file_t *filep, FAR const char *buffer, size_t buflen); -static int sc_console_ioctl(file_t *filep, int cmd, unsigned long arg); -#ifndef CONFIG_DISABLE_POLL -static int sc_console_poll(file_t *filep, FAR struct pollfd *fds, bool setup); -#endif - -static const struct file_operations g_sercom_console_ops = -{ - 0, /* open, always opened */ - 0, /* close, stays open */ - sc_console_read, /* read */ - sc_console_write, /* write */ - 0, /* seek, not supported */ - sc_console_ioctl, /* ioctl */ -#ifndef CONFIG_DISABLE_POLL - sc_console_poll /* poll */ -#endif -}; - -/**************************************************************************** - * Helper functions - ****************************************************************************/ -static FAR uart_dev_t *readdev = NULL; -static struct msgb *recvmsg = NULL; -static void recv_cb(uint8_t dlci, struct msgb *msg) -{ - sem_post(&readdev->recvsem); - recvmsg = msg; -} - -/**************************************************************************** - * Fileops - ****************************************************************************/ - -/* XXX: recvmsg is overwritten when multiple msg arrive! */ -static ssize_t sc_console_read(file_t *filep, FAR char *buffer, size_t buflen) -{ - size_t len; - struct msgb *tmp; - - /* Wait until data is received */ - while(recvmsg == NULL) { - sem_wait(&readdev->recvsem); - } - - len = recvmsg->len > buflen ? buflen : recvmsg->len; - memcpy(buffer, msgb_get(recvmsg, len), len); - - if(recvmsg->len == 0) { - /* prevent inconsistent msg by first invalidating it, then free it */ - tmp = recvmsg; - recvmsg = NULL; - msgb_free(tmp); - } - - return len; -} - -/* XXX: redirect to old Osmocom-BB comm/sercomm_cons.c -> 2 buffers */ -extern int sercomm_puts(const char *s); -static ssize_t sc_console_write(file_t *filep, FAR const char *buffer, size_t buflen) -{ - int i, cnt; - char dstbuf[32]; - - if (buflen >= 31) - cnt = 31; - else - cnt = buflen; - - memcpy(dstbuf, buffer, cnt); - dstbuf[cnt] = '\0'; - - /* print part of our buffer */ - sercomm_puts(dstbuf); - - /* wait a little bit to get data transfered */ - up_mdelay(1); - - return cnt; -} - -/* Forward ioctl to uart driver */ -static int sc_console_ioctl(struct file *filep, int cmd, unsigned long arg) -{ - FAR struct inode *inode = filep->f_inode; - FAR uart_dev_t *dev = inode->i_private; - - return dev->ops->ioctl(filep, cmd, arg); -} - -/************************************************************************************ - * Public Functions - ************************************************************************************/ - -/* Use sercomm on uart driver, register console driver */ -int sercomm_register(FAR const char *path, FAR uart_dev_t *dev) -{ - /* XXX: initialize MODEMUART to be used for sercomm*/ - uart_init(SERCOMM_UART_NR, 1); - uart_baudrate(SERCOMM_UART_NR, UART_115200); - readdev = dev; - sercomm_register_rx_cb(SC_DLCI_LOADER, &recv_cb); - - sem_init(&dev->xmit.sem, 0, 1); - sem_init(&dev->recv.sem, 0, 1); - sem_init(&dev->closesem, 0, 1); - sem_init(&dev->xmitsem, 0, 0); - sem_init(&dev->recvsem, 0, 0); -#ifndef CONFIG_DISABLE_POLL - sem_init(&dev->pollsem, 0, 1); -#endif - - dbg("Registering %s\n", path); - return register_driver(path, &g_sercom_console_ops, 0666, NULL); -} |