| /**************************************************************************** |
| * apps/system/cdcacm/cdcacm_main.c |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <sys/types.h> |
| #include <sys/boardctl.h> |
| |
| #include <stdio.h> |
| #include <debug.h> |
| |
| #include <nuttx/usb/usbdev.h> |
| #include <nuttx/usb/cdcacm.h> |
| |
| #include "cdcacm.h" |
| |
| /**************************************************************************** |
| * Private Data |
| ****************************************************************************/ |
| |
| /* All global variables used by this add-on are packed into a structure in |
| * order to avoid name collisions. |
| */ |
| |
| static struct cdcacm_state_s g_cdcacm; |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * sercon_main |
| * |
| * Description: |
| * This is the main program that configures the CDC/ACM serial device. |
| * |
| ****************************************************************************/ |
| |
| int main(int argc, FAR char *argv[]) |
| { |
| struct boardioc_usbdev_ctrl_s ctrl; |
| int ret; |
| |
| /* Check if there is a non-NULL USB mass storage device handle |
| * (meaning that the USB mass storage device is already configured). |
| */ |
| |
| if (g_cdcacm.handle) |
| { |
| printf("sercon:: ERROR: Already connected\n"); |
| return EXIT_FAILURE; |
| } |
| |
| /* Then, in any event, enable trace data collection as configured BEFORE |
| * enabling the CDC/ACM device. |
| */ |
| |
| usbtrace_enable(TRACE_BITSET); |
| |
| /* Initialize the USB CDC/ACM serial driver */ |
| |
| printf("sercon: Registering CDC/ACM serial driver\n"); |
| |
| ctrl.usbdev = BOARDIOC_USBDEV_CDCACM; |
| ctrl.action = BOARDIOC_USBDEV_CONNECT; |
| ctrl.instance = CONFIG_SYSTEM_CDCACM_DEVMINOR; |
| ctrl.handle = &g_cdcacm.handle; |
| |
| ret = boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl); |
| if (ret < 0) |
| { |
| printf("sercon: ERROR: " |
| "Failed to create the CDC/ACM serial device: %d\n", -ret); |
| return EXIT_FAILURE; |
| } |
| |
| printf("sercon: Successfully registered the CDC/ACM serial driver\n"); |
| return EXIT_SUCCESS; |
| } |
| |
| /**************************************************************************** |
| * serdis_main |
| * |
| * Description: |
| * This is a program entry point that will disconnect the CDC/ACM serial |
| * device. |
| ****************************************************************************/ |
| |
| int serdis_main(int argc, char *argv[]) |
| { |
| struct boardioc_usbdev_ctrl_s ctrl; |
| |
| /* First check if the USB mass storage device is already connected */ |
| |
| if (!g_cdcacm.handle) |
| { |
| printf("serdis: ERROR: Not connected\n"); |
| return EXIT_FAILURE; |
| } |
| |
| /* Then, in any event, disable trace data collection as configured BEFORE |
| * enabling the CDC/ACM device. |
| */ |
| |
| usbtrace_enable(0); |
| |
| /* Then disconnect the device and uninitialize the USB mass storage |
| * driver |
| */ |
| |
| ctrl.usbdev = BOARDIOC_USBDEV_CDCACM; |
| ctrl.action = BOARDIOC_USBDEV_DISCONNECT; |
| ctrl.instance = CONFIG_SYSTEM_CDCACM_DEVMINOR; |
| ctrl.handle = &g_cdcacm.handle; |
| |
| boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl); |
| g_cdcacm.handle = NULL; |
| printf("serdis: Disconnected\n"); |
| return EXIT_SUCCESS; |
| } |