diff --git a/examples/usbserial/usbserial_main.c b/examples/usbserial/usbserial_main.c index 17c051a49..a06b2bdbf 100644 --- a/examples/usbserial/usbserial_main.c +++ b/examples/usbserial/usbserial_main.c @@ -120,29 +120,30 @@ static const char g_shortmsg[] = "Hello, World!!\n"; static const char g_longmsg[] = "The Spanish Armada a Speech by Queen Elizabeth I of England\n" "Addressed to the English army at Tilbury Fort - 1588\n" - "My loving people, we have been persuaded by some, that are careful of our " - "safety, to take heed how we commit ourselves to armed multitudes, for fear " - "of treachery; but I assure you, I do not desire to live to distrust my " - "faithful and loving people.\n" - "Let tyrants fear; I have always so behaved myself that, under God, I have " - "placed my chiefest strength and safeguard in the loyal hearts and good will " - "of my subjects. And therefore I am come amongst you at this time, not as for " - "my recreation or sport, but being resolved, in the midst and heat of the " - "battle, to live or die amongst you all; to lay down, for my God, and for " - "my kingdom, and for my people, my honour and my blood, even the dust.\n" - "I know I have but the body of a weak and feeble woman; but I have the heart " - "of a king, and of a king of England, too; and think foul scorn that Parma " - "or Spain, or any prince of Europe, should dare to invade the borders of my " - "realms: to which, rather than any dishonour should grow by me, I myself will " - "take up arms; I myself will be your general, judge, and rewarder of every " - "one of your virtues in the field.\n" + "My loving people, we have been persuaded by some, that are careful of " + "our safety, to take heed how we commit ourselves to armed multitudes, " + "or fear of treachery; but I assure you, I do not desire to live to " + "distrust my faithful and loving people.\n" + "Let tyrants fear; I have always so behaved myself that, under God, I " + "have placed my chiefest strength and safeguard in the loyal hearts and " + "good will of my subjects. And therefore I am come amongst you at this " + "time, not as for my recreation or sport, but being resolved, in the " + "midst and heat of the battle, to live or die amongst you all; to lay " + "down, for my God, and for my kingdom, and for my people, my honour and " + "my blood, even the dust.\n" + "I know I have but the body of a weak and feeble woman; but I have the " + "heart of a king, and of a king of England, too; and think foul scorn " + "hat Parma or Spain, or any prince of Europe, should dare to invade the " + "borders of my realms: to which, rather than any dishonour should grow " + "by me, I myself will take up arms; I myself will be your general, " + "judge, and rewarder of every one of your virtues in the field.\n" "I know already, by your forwardness, that you have deserved rewards and " - "crowns; and we do assure you, on the word of a prince, they shall be duly " - "paid you. In the mean my lieutenant general shall be in my stead, than whom " - "never prince commanded a more noble and worthy subject; not doubting by " - "your obedience to my general, by your concord in the camp, and by your " - "valour in the field, we shall shortly have a famous victory over the enemies " - "of my God, of my kingdom, and of my people.\n"; + "crowns; and we do assure you, on the word of a prince, they shall be " + "duly paid you. In the mean my lieutenant general shall be in my stead, " + "than whom never prince commanded a more noble and worthy subject; not " + "doubting by your obedience to my general, by your concord in the camp, " + "and by your valour in the field, we shall shortly have a famous victory " + "over the enemies of my God, of my kingdom, and of my people.\n"; #endif #ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY @@ -191,43 +192,48 @@ int main(int argc, FAR char *argv[]) #endif ssize_t nbytes; #ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - int i, j, k; + int i; + int j; + int k; #endif int ret; - /* Initialize the USB serial driver */ + if (access(USBSER_DEVNAME, F_OK) < 0) + { + /* Initialize the USB serial driver */ - printf("usbserial_main: Registering USB serial driver\n"); + printf("usbserial_main: Registering USB serial driver\n"); #ifdef CONFIG_CDCACM - ctrl.usbdev = BOARDIOC_USBDEV_CDCACM; - ctrl.action = BOARDIOC_USBDEV_CONNECT; - ctrl.instance = 0; - ctrl.handle = &handle; + ctrl.usbdev = BOARDIOC_USBDEV_CDCACM; + ctrl.action = BOARDIOC_USBDEV_CONNECT; + ctrl.instance = 0; + ctrl.handle = &handle; #else - ctrl.usbdev = BOARDIOC_USBDEV_PL2303; - ctrl.action = BOARDIOC_USBDEV_CONNECT; - ctrl.instance = 0; - ctrl.handle = &handle; + ctrl.usbdev = BOARDIOC_USBDEV_PL2303; + ctrl.action = BOARDIOC_USBDEV_CONNECT; + ctrl.instance = 0; + ctrl.handle = &handle; #endif - ret = boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl); - if (ret < 0) - { - printf("usbserial_main: ERROR: Failed to create the USB serial device: %d\n", - -ret); - return 1; + ret = boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl); + if (ret < 0) + { + printf("usbserial_main: ERROR: Failed to create the USB serial " + "device: %d\n", -ret); + return 1; + } + + printf("usbserial_main: Successfully registered the serial driver\n"); } - printf("usbserial_main: Successfully registered the serial driver\n"); - #if defined(CONFIG_USBDEV_TRACE) && CONFIG_USBDEV_TRACE_INITIALIDSET != 0 - /* If USB tracing is enabled and tracing of initial USB events is specified, - * then dump all collected trace data to stdout + /* If USB tracing is enabled and tracing of initial USB events is + * specified, then dump all collected trace data to stdout */ sleep(5); @@ -255,7 +261,7 @@ int main(int argc, FAR char *argv[]) if (errcode == ENOTCONN) { - printf("usbserial_main: Not connected. Wait and try again.\n"); + printf("usbserial_main: Not connected. Wait and try again.\n"); sleep(5); } else @@ -267,7 +273,9 @@ int main(int argc, FAR char *argv[]) } } - /* If USB tracing is enabled, then dump all collected trace data to stdout */ + /* If USB tracing is enabled, then dump all collected trace data + * to stdout + */ dumptrace(); } @@ -278,7 +286,7 @@ int main(int argc, FAR char *argv[]) #ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY #ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - infd = open(USBSER_DEVNAME, O_RDONLY|O_NONBLOCK); + infd = open(USBSER_DEVNAME, O_RDONLY | O_NONBLOCK); if (infd < 0) { printf("usbserial_main: ERROR: Failed to open " USBSER_DEVNAME @@ -289,7 +297,7 @@ int main(int argc, FAR char *argv[]) #else do { - infd = open(USBSER_DEVNAME, O_RDONLY|O_NONBLOCK); + infd = open(USBSER_DEVNAME, O_RDONLY | O_NONBLOCK); if (infd < 0) { int errcode = errno; @@ -300,7 +308,7 @@ int main(int argc, FAR char *argv[]) if (errcode == ENOTCONN) { - printf("usbserial_main: Not connected. Wait and try again.\n"); + printf("usbserial_main: Not connected. Wait and try again.\n"); sleep(5); } else @@ -312,7 +320,9 @@ int main(int argc, FAR char *argv[]) } } - /* If USB tracing is enabled, then dump all collected trace data to stdout */ + /* If USB tracing is enabled, then dump all collected trace data + * to stdout + */ dumptrace(); } @@ -324,9 +334,9 @@ int main(int argc, FAR char *argv[]) /* Send messages and get responses -- forever */ - for (;;) + for (; ; ) { - /* Test IN (device-to-host) messages */ + /* Test IN (device-to-host) messages */ #ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY #if !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) && !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) @@ -405,9 +415,9 @@ int main(int argc, FAR char *argv[]) printf(" "); } - if (j+k < nbytes) + if (j + k < nbytes) { - printf("%02x", g_iobuffer[j+k]); + printf("%02x", g_iobuffer[j + k]); } else { @@ -423,11 +433,12 @@ int main(int argc, FAR char *argv[]) printf(" "); } - if (j+k < nbytes) + if (j + k < nbytes) { - if (g_iobuffer[j+k] >= 0x20 && g_iobuffer[j+k] < 0x7f) + if (g_iobuffer[j + k] >= 0x20 && + g_iobuffer[j + k] < 0x7f) { - printf("%c", g_iobuffer[j+k]); + printf("%c", g_iobuffer[j + k]); } else { @@ -453,7 +464,9 @@ int main(int argc, FAR char *argv[]) sleep(5); #endif /* CONFIG_EXAMPLES_USBSERIAL_INONLY */ - /* If USB tracing is enabled, then dump all collected trace data to stdout */ + /* If USB tracing is enabled, then dump all collected trace data + * to stdout + */ dumptrace(); }