/**************************************************************************** * system/usbmsc/usbmsc_main.c * * Copyright (C) 2008-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include #include #include "usbmsc.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #ifdef CONFIG_SYSTEM_USBMSC_TRACEINIT # define TRACE_INIT_BITS (TRACE_INIT_BIT) #else # define TRACE_INIT_BITS (0) #endif #define TRACE_ERROR_BITS (TRACE_DEVERROR_BIT|TRACE_CLSERROR_BIT) #ifdef CONFIG_SYSTEM_USBMSC_TRACECLASS # define TRACE_CLASS_BITS (TRACE_CLASS_BIT|TRACE_CLASSAPI_BIT|TRACE_CLASSSTATE_BIT) #else # define TRACE_CLASS_BITS (0) #endif #ifdef CONFIG_SYSTEM_USBMSC_TRACETRANSFERS # define TRACE_TRANSFER_BITS (TRACE_OUTREQQUEUED_BIT|TRACE_INREQQUEUED_BIT|TRACE_READ_BIT|\ TRACE_WRITE_BIT|TRACE_COMPLETE_BIT) #else # define TRACE_TRANSFER_BITS (0) #endif #ifdef CONFIG_SYSTEM_USBMSC_TRACECONTROLLER # define TRACE_CONTROLLER_BITS (TRACE_EP_BIT|TRACE_DEV_BIT) #else # define TRACE_CONTROLLER_BITS (0) #endif #ifdef CONFIG_SYSTEM_USBMSC_TRACEINTERRUPTS # define TRACE_INTERRUPT_BITS (TRACE_INTENTRY_BIT|TRACE_INTDECODE_BIT|TRACE_INTEXIT_BIT) #else # define TRACE_INTERRUPT_BITS (0) #endif #define TRACE_BITSET (TRACE_INIT_BITS|TRACE_ERROR_BITS|TRACE_CLASS_BITS|\ TRACE_TRANSFER_BITS|TRACE_CONTROLLER_BITS|TRACE_INTERRUPT_BITS) /**************************************************************************** * Private Data ****************************************************************************/ /* All global variables used by this add-on are packed into a structure in * order to avoid name collisions. */ #if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_SYSTEM_USBMSC_DEBUGMM) struct usbmsc_state_s g_usbmsc; #endif /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: show_memory_usage ****************************************************************************/ #ifdef CONFIG_SYSTEM_USBMSC_DEBUGMM static void show_memory_usage(struct mallinfo *mmbefore, struct mallinfo *mmafter) { int diff; printf(" total used free largest\n"); printf("Before:%11d%11d%11d%11d\n", mmbefore->arena, mmbefore->uordblks, mmbefore->fordblks, mmbefore->mxordblk); printf("After: %11d%11d%11d%11d\n", mmafter->arena, mmafter->uordblks, mmafter->fordblks, mmafter->mxordblk); diff = mmbefore->uordblks - mmafter->uordblks; if (diff < 0) { printf("Change:%11d allocated\n", -diff); } else if (diff > 0) { printf("Change:%11d freed\n", diff); } } #else # define show_memory_usage(mm1, mm2) #endif /**************************************************************************** * Name: check_test_memory_usage ****************************************************************************/ #ifdef CONFIG_SYSTEM_USBMSC_DEBUGMM static void check_test_memory_usage(FAR const char *msg) { /* Get the current memory usage */ #ifdef CONFIG_CAN_PASS_STRUCTS g_usbmsc.mmcurrent = mallinfo(); #else (void)mallinfo(&g_usbmsc.mmcurrent); #endif /* Show the change from the previous time */ printf("\%s:\n", msg); show_memory_usage(&g_usbmsc.mmprevious, &g_usbmsc.mmcurrent); /* Set up for the next test */ #ifdef CONFIG_CAN_PASS_STRUCTS g_usbmsc.mmprevious = g_usbmsc.mmcurrent; #else memcpy(&g_usbmsc.mmprevious, &g_usbmsc.mmcurrent, sizeof(struct mallinfo)); #endif } #else # define check_test_memory_usage(msg) #endif /**************************************************************************** * Name: check_test_memory_usage ****************************************************************************/ #ifdef CONFIG_SYSTEM_USBMSC_DEBUGMM static void final_memory_usage(FAR const char *msg) { /* Get the current memory usage */ #ifdef CONFIG_CAN_PASS_STRUCTS g_usbmsc.mmcurrent = mallinfo(); #else (void)mallinfo(&g_usbmsc.mmcurrent); #endif /* Show the change from the previous time */ printf("\n%s:\n", msg); show_memory_usage(&g_usbmsc.mmstart, &g_usbmsc.mmcurrent); } #else # define final_memory_usage(msg) #endif /**************************************************************************** * Name: usbmsc_enumerate ****************************************************************************/ #ifdef CONFIG_SYSTEM_USBMSC_TRACE static int usbmsc_enumerate(struct usbtrace_s *trace, void *arg) { switch (trace->event) { case TRACE_DEVINIT: printf("USB controller initialization: %04x\n", trace->value); break; case TRACE_DEVUNINIT: printf("USB controller un-initialization: %04x\n", trace->value); break; case TRACE_DEVREGISTER: printf("usbdev_register(): %04x\n", trace->value); break; case TRACE_DEVUNREGISTER: printf("usbdev_unregister(): %04x\n", trace->value); break; case TRACE_EPCONFIGURE: printf("Endpoint configure(): %04x\n", trace->value); break; case TRACE_EPDISABLE: printf("Endpoint disable(): %04x\n", trace->value); break; case TRACE_EPALLOCREQ: printf("Endpoint allocreq(): %04x\n", trace->value); break; case TRACE_EPFREEREQ: printf("Endpoint freereq(): %04x\n", trace->value); break; case TRACE_EPALLOCBUFFER: printf("Endpoint allocbuffer(): %04x\n", trace->value); break; case TRACE_EPFREEBUFFER: printf("Endpoint freebuffer(): %04x\n", trace->value); break; case TRACE_EPSUBMIT: printf("Endpoint submit(): %04x\n", trace->value); break; case TRACE_EPCANCEL: printf("Endpoint cancel(): %04x\n", trace->value); break; case TRACE_EPSTALL: printf("Endpoint stall(true): %04x\n", trace->value); break; case TRACE_EPRESUME: printf("Endpoint stall(false): %04x\n", trace->value); break; case TRACE_DEVALLOCEP: printf("Device allocep(): %04x\n", trace->value); break; case TRACE_DEVFREEEP: printf("Device freeep(): %04x\n", trace->value); break; case TRACE_DEVGETFRAME: printf("Device getframe(): %04x\n", trace->value); break; case TRACE_DEVWAKEUP: printf("Device wakeup(): %04x\n", trace->value); break; case TRACE_DEVSELFPOWERED: printf("Device selfpowered(): %04x\n", trace->value); break; case TRACE_DEVPULLUP: printf("Device pullup(): %04x\n", trace->value); break; case TRACE_CLASSBIND: printf("Class bind(): %04x\n", trace->value); break; case TRACE_CLASSUNBIND: printf("Class unbind(): %04x\n", trace->value); break; case TRACE_CLASSDISCONNECT: printf("Class disconnect(): %04x\n", trace->value); break; case TRACE_CLASSSETUP: printf("Class setup(): %04x\n", trace->value); break; case TRACE_CLASSSUSPEND: printf("Class suspend(): %04x\n", trace->value); break; case TRACE_CLASSRESUME: printf("Class resume(): %04x\n", trace->value); break; case TRACE_CLASSRDCOMPLETE: printf("Class RD request complete: %04x\n", trace->value); break; case TRACE_CLASSWRCOMPLETE: printf("Class WR request complete: %04x\n", trace->value); break; default: switch (TRACE_ID(trace->event)) { case TRACE_CLASSAPI_ID: /* Other class driver system API calls */ printf("Class API call %d: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_CLASSSTATE_ID: /* Track class driver state changes */ printf("Class state %d: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_INTENTRY_ID: /* Interrupt handler entry */ printf("Interrupt %d entry: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_INTDECODE_ID: /* Decoded interrupt trace->event */ printf("Interrupt decode %d: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_INTEXIT_ID: /* Interrupt handler exit */ printf("Interrupt %d exit: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_OUTREQQUEUED_ID: /* Request queued for OUT endpoint */ printf("EP%d OUT request queued: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_INREQQUEUED_ID: /* Request queued for IN endpoint */ printf("EP%d IN request queued: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_READ_ID: /* Read (OUT) action */ printf("EP%d OUT read: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_WRITE_ID: /* Write (IN) action */ printf("EP%d IN write: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_COMPLETE_ID: /* Request completed */ printf("EP%d request complete: %04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_DEVERROR_ID: /* USB controller driver error event */ printf("Controller error: %02x:%04x\n", TRACE_DATA(trace->event), trace->value); break; case TRACE_CLSERROR_ID: /* USB class driver error event */ printf("Class error: %02x:%04x\n", TRACE_DATA(trace->event), trace->value); break; default: printf("Unrecognized event: %02x:%02x:%04x\n", TRACE_ID(trace->event) >> 8, TRACE_DATA(trace->event), trace->value); break; } } return OK; } #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * msconn_main * * Description: * This is the main program that configures the USB mass storage device * and exports the LUN(s). If CONFIG_NSH_BUILTIN_APPS is defined * in the NuttX configuration, then this program can be executed by * entering the "msconn" command at the NSH console. * ****************************************************************************/ #ifdef CONFIG_BUILD_KERNEL int main(int argc, FAR char *argv[]) #else int msconn_main(int argc, char *argv[]) #endif { FAR void *handle; int ret; /* If this program is implemented as the NSH 'msconn' command, then we * need to do a little error checking to assure that we are not being * called re-entrantly. */ #ifdef CONFIG_NSH_BUILTIN_APPS /* Check if there is a non-NULL USB mass storage device handle (meaning that the * USB mass storage device is already configured). */ if (g_usbmsc.mshandle) { printf("mcsonn_main: ERROR: Already connected\n"); return EXIT_FAILURE; } #endif #ifdef CONFIG_SYSTEM_USBMSC_DEBUGMM # ifdef CONFIG_CAN_PASS_STRUCTS g_usbmsc.mmstart = mallinfo(); g_usbmsc.mmprevious = g_usbmsc.mmstart; # else (void)mallinfo(&g_usbmsc.mmstart); memcpy(&g_usbmsc.mmprevious, &g_usbmsc.mmstart, sizeof(struct mallinfo)); # endif #endif /* Initialize USB trace output IDs */ #ifdef CONFIG_SYSTEM_USBMSC_TRACE usbtrace_enable(TRACE_BITSET); check_test_memory_usage("After usbtrace_enable()"); #endif /* Register block drivers (architecture-specific) */ printf("mcsonn_main: Creating block drivers\n"); ret = usbmsc_archinitialize(); if (ret < 0) { printf("mcsonn_main: usbmsc_archinitialize failed: %d\n", -ret); return EXIT_FAILURE; } check_test_memory_usage("After usbmsc_archinitialize()"); /* Then exports the LUN(s) */ printf("mcsonn_main: Configuring with NLUNS=%d\n", CONFIG_SYSTEM_USBMSC_NLUNS); ret = usbmsc_configure(CONFIG_SYSTEM_USBMSC_NLUNS, &handle); if (ret < 0) { printf("mcsonn_main: usbmsc_configure failed: %d\n", -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } printf("mcsonn_main: handle=%p\n", handle); check_test_memory_usage("After usbmsc_configure()"); printf("mcsonn_main: Bind LUN=0 to %s\n", CONFIG_SYSTEM_USBMSC_DEVPATH1); ret = usbmsc_bindlun(handle, CONFIG_SYSTEM_USBMSC_DEVPATH1, 0, 0, 0, false); if (ret < 0) { printf("mcsonn_main: usbmsc_bindlun failed for LUN 1 using %s: %d\n", CONFIG_SYSTEM_USBMSC_DEVPATH1, -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } check_test_memory_usage("After usbmsc_bindlun()"); #if CONFIG_SYSTEM_USBMSC_NLUNS > 1 printf("mcsonn_main: Bind LUN=1 to %s\n", CONFIG_SYSTEM_USBMSC_DEVPATH2); ret = usbmsc_bindlun(handle, CONFIG_SYSTEM_USBMSC_DEVPATH2, 1, 0, 0, false); if (ret < 0) { printf("mcsonn_main: usbmsc_bindlun failed for LUN 2 using %s: %d\n", CONFIG_SYSTEM_USBMSC_DEVPATH2, -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } check_test_memory_usage("After usbmsc_bindlun() #2"); #if CONFIG_SYSTEM_USBMSC_NLUNS > 2 printf("mcsonn_main: Bind LUN=2 to %s\n", CONFIG_SYSTEM_USBMSC_DEVPATH3); ret = usbmsc_bindlun(handle, CONFIG_SYSTEM_USBMSC_DEVPATH3, 2, 0, 0, false); if (ret < 0) { printf("mcsonn_main: usbmsc_bindlun failed for LUN 3 using %s: %d\n", CONFIG_SYSTEM_USBMSC_DEVPATH3, -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } check_test_memory_usage("After usbmsc_bindlun() #3"); #endif #endif ret = usbmsc_exportluns(handle); if (ret < 0) { printf("mcsonn_main: usbmsc_exportluns failed: %d\n", -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } check_test_memory_usage("After usbmsc_exportluns()"); /* It this program was configured as an NSH command, then just exit now. * Also, if signals are not enabled (and, hence, sleep() is not supported. * then we have not real option but to exit now. */ #if !defined(CONFIG_NSH_BUILTIN_APPS) && !defined(CONFIG_DISABLE_SIGNALS) /* Otherwise, this thread will hang around and monitor the USB storage activity */ for (;;) { fflush(stdout); sleep(5); # ifdef CONFIG_SYSTEM_USBMSC_TRACE printf("\nmcsonn_main: USB TRACE DATA:\n"); ret = usbtrace_enumerate(usbmsc_enumerate, NULL); if (ret < 0) { printf("mcsonn_main: usbtrace_enumerate failed: %d\n", -ret); usbmsc_uninitialize(handle); return EXIT_FAILURE; } check_test_memory_usage("After usbtrace_enumerate()"); # else printf("mcsonn_main: Still alive\n"); # endif } #elif defined(CONFIG_NSH_BUILTIN_APPS) /* Return the USB mass storage device handle so it can be used by the 'msconn' * command. */ printf("mcsonn_main: Connected\n"); g_usbmsc.mshandle = handle; check_test_memory_usage("After MS connection"); #else /* defined(CONFIG_DISABLE_SIGNALS) */ /* Just exit */ printf("mcsonn_main: Exiting\n"); /* Dump debug memory usage */ final_memory_usage("Final memory usage"); #endif return EXIT_SUCCESS; } /**************************************************************************** * msdis_main * * Description: * This is a program entry point that will disconnect the USB mass storage * device. This program is only available if CONFIG_NSH_BUILTIN_APPS * is defined in the NuttX configuration. In that case, this program can * be executed by entering the "msdis" command at the NSH console. * ****************************************************************************/ #ifdef CONFIG_NSH_BUILTIN_APPS #ifdef CONFIG_BUILD_KERNEL int main(int argc, FAR char **argv) #else int msdis_main(int argc, char *argv[]) #endif { /* First check if the USB mass storage device is already connected */ if (!g_usbmsc.mshandle) { printf("msdis: ERROR: Not connected\n"); return EXIT_FAILURE; } check_test_memory_usage("Since MS connection"); /* Then disconnect the device and uninitialize the USB mass storage driver */ usbmsc_uninitialize(g_usbmsc.mshandle); g_usbmsc.mshandle = NULL; printf("msdis: Disconnected\n"); check_test_memory_usage("After usbmsc_uninitialize()"); /* Dump debug memory usage */ final_memory_usage("Final memory usage"); return EXIT_SUCCESS; } #endif