examples/usbserial: Check if usbserial device exist before register
This commit is contained in:
Kevin Zhou
Petro Karashchenko
parent
5a04b9a7c9
commit
ab67cb1911
@ -120,29 +120,30 @@ static const char g_shortmsg[] = "Hello, World!!\n";
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static const char g_longmsg[] =
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"The Spanish Armada a Speech by Queen Elizabeth I of England\n"
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"Addressed to the English army at Tilbury Fort - 1588\n"
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"My loving people, we have been persuaded by some, that are careful of our "
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"safety, to take heed how we commit ourselves to armed multitudes, for fear "
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"of treachery; but I assure you, I do not desire to live to distrust my "
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"faithful and loving people.\n"
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"Let tyrants fear; I have always so behaved myself that, under God, I have "
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"placed my chiefest strength and safeguard in the loyal hearts and good will "
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"of my subjects. And therefore I am come amongst you at this time, not as for "
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"my recreation or sport, but being resolved, in the midst and heat of the "
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"battle, to live or die amongst you all; to lay down, for my God, and for "
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"my kingdom, and for my people, my honour and my blood, even the dust.\n"
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"I know I have but the body of a weak and feeble woman; but I have the heart "
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"of a king, and of a king of England, too; and think foul scorn that Parma "
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"or Spain, or any prince of Europe, should dare to invade the borders of my "
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"realms: to which, rather than any dishonour should grow by me, I myself will "
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"take up arms; I myself will be your general, judge, and rewarder of every "
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"one of your virtues in the field.\n"
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"My loving people, we have been persuaded by some, that are careful of "
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"our safety, to take heed how we commit ourselves to armed multitudes, "
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"or fear of treachery; but I assure you, I do not desire to live to "
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"distrust my faithful and loving people.\n"
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"Let tyrants fear; I have always so behaved myself that, under God, I "
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"have placed my chiefest strength and safeguard in the loyal hearts and "
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"good will of my subjects. And therefore I am come amongst you at this "
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"time, not as for my recreation or sport, but being resolved, in the "
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"midst and heat of the battle, to live or die amongst you all; to lay "
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"down, for my God, and for my kingdom, and for my people, my honour and "
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"my blood, even the dust.\n"
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"I know I have but the body of a weak and feeble woman; but I have the "
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"heart of a king, and of a king of England, too; and think foul scorn "
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"hat Parma or Spain, or any prince of Europe, should dare to invade the "
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"borders of my realms: to which, rather than any dishonour should grow "
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"by me, I myself will take up arms; I myself will be your general, "
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"judge, and rewarder of every one of your virtues in the field.\n"
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"I know already, by your forwardness, that you have deserved rewards and "
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"crowns; and we do assure you, on the word of a prince, they shall be duly "
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"paid you. In the mean my lieutenant general shall be in my stead, than whom "
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"never prince commanded a more noble and worthy subject; not doubting by "
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"your obedience to my general, by your concord in the camp, and by your "
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"valour in the field, we shall shortly have a famous victory over the enemies "
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"of my God, of my kingdom, and of my people.\n";
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"crowns; and we do assure you, on the word of a prince, they shall be "
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"duly paid you. In the mean my lieutenant general shall be in my stead, "
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"than whom never prince commanded a more noble and worthy subject; not "
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"doubting by your obedience to my general, by your concord in the camp, "
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"and by your valour in the field, we shall shortly have a famous victory "
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"over the enemies of my God, of my kingdom, and of my people.\n";
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#endif
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#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
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@ -191,43 +192,48 @@ int main(int argc, FAR char *argv[])
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#endif
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ssize_t nbytes;
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#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
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int i, j, k;
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int i;
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int j;
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int k;
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#endif
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int ret;
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/* Initialize the USB serial driver */
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if (access(USBSER_DEVNAME, F_OK) < 0)
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{
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/* Initialize the USB serial driver */
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printf("usbserial_main: Registering USB serial driver\n");
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printf("usbserial_main: Registering USB serial driver\n");
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#ifdef CONFIG_CDCACM
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ctrl.usbdev = BOARDIOC_USBDEV_CDCACM;
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ctrl.action = BOARDIOC_USBDEV_CONNECT;
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ctrl.instance = 0;
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ctrl.handle = &handle;
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ctrl.usbdev = BOARDIOC_USBDEV_CDCACM;
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ctrl.action = BOARDIOC_USBDEV_CONNECT;
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ctrl.instance = 0;
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ctrl.handle = &handle;
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#else
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ctrl.usbdev = BOARDIOC_USBDEV_PL2303;
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ctrl.action = BOARDIOC_USBDEV_CONNECT;
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ctrl.instance = 0;
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ctrl.handle = &handle;
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ctrl.usbdev = BOARDIOC_USBDEV_PL2303;
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ctrl.action = BOARDIOC_USBDEV_CONNECT;
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ctrl.instance = 0;
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ctrl.handle = &handle;
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#endif
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ret = boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl);
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if (ret < 0)
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{
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printf("usbserial_main: ERROR: Failed to create the USB serial device: %d\n",
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-ret);
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return 1;
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ret = boardctl(BOARDIOC_USBDEV_CONTROL, (uintptr_t)&ctrl);
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if (ret < 0)
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{
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printf("usbserial_main: ERROR: Failed to create the USB serial "
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"device: %d\n", -ret);
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return 1;
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}
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printf("usbserial_main: Successfully registered the serial driver\n");
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}
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printf("usbserial_main: Successfully registered the serial driver\n");
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#if defined(CONFIG_USBDEV_TRACE) && CONFIG_USBDEV_TRACE_INITIALIDSET != 0
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/* If USB tracing is enabled and tracing of initial USB events is specified,
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* then dump all collected trace data to stdout
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/* If USB tracing is enabled and tracing of initial USB events is
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* specified, then dump all collected trace data to stdout
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*/
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sleep(5);
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@ -255,7 +261,7 @@ int main(int argc, FAR char *argv[])
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if (errcode == ENOTCONN)
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{
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printf("usbserial_main: Not connected. Wait and try again.\n");
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printf("usbserial_main: Not connected. Wait and try again.\n");
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sleep(5);
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}
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else
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@ -267,7 +273,9 @@ int main(int argc, FAR char *argv[])
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}
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}
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/* If USB tracing is enabled, then dump all collected trace data to stdout */
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/* If USB tracing is enabled, then dump all collected trace data
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* to stdout
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*/
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dumptrace();
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}
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@ -278,7 +286,7 @@ int main(int argc, FAR char *argv[])
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#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
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#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY
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infd = open(USBSER_DEVNAME, O_RDONLY|O_NONBLOCK);
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infd = open(USBSER_DEVNAME, O_RDONLY | O_NONBLOCK);
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if (infd < 0)
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{
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printf("usbserial_main: ERROR: Failed to open " USBSER_DEVNAME
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@ -289,7 +297,7 @@ int main(int argc, FAR char *argv[])
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#else
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do
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{
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infd = open(USBSER_DEVNAME, O_RDONLY|O_NONBLOCK);
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infd = open(USBSER_DEVNAME, O_RDONLY | O_NONBLOCK);
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if (infd < 0)
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{
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int errcode = errno;
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@ -300,7 +308,7 @@ int main(int argc, FAR char *argv[])
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if (errcode == ENOTCONN)
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{
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printf("usbserial_main: Not connected. Wait and try again.\n");
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printf("usbserial_main: Not connected. Wait and try again.\n");
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sleep(5);
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}
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else
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@ -312,7 +320,9 @@ int main(int argc, FAR char *argv[])
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}
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}
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/* If USB tracing is enabled, then dump all collected trace data to stdout */
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/* If USB tracing is enabled, then dump all collected trace data
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* to stdout
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*/
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dumptrace();
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}
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@ -324,9 +334,9 @@ int main(int argc, FAR char *argv[])
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/* Send messages and get responses -- forever */
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for (;;)
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for (; ; )
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{
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/* Test IN (device-to-host) messages */
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/* Test IN (device-to-host) messages */
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#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY
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#if !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) && !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL)
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@ -405,9 +415,9 @@ int main(int argc, FAR char *argv[])
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printf(" ");
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}
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if (j+k < nbytes)
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if (j + k < nbytes)
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{
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printf("%02x", g_iobuffer[j+k]);
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printf("%02x", g_iobuffer[j + k]);
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}
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else
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{
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@ -423,11 +433,12 @@ int main(int argc, FAR char *argv[])
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printf(" ");
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}
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if (j+k < nbytes)
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if (j + k < nbytes)
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{
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if (g_iobuffer[j+k] >= 0x20 && g_iobuffer[j+k] < 0x7f)
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if (g_iobuffer[j + k] >= 0x20 &&
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g_iobuffer[j + k] < 0x7f)
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{
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printf("%c", g_iobuffer[j+k]);
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printf("%c", g_iobuffer[j + k]);
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}
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else
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{
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@ -453,7 +464,9 @@ int main(int argc, FAR char *argv[])
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sleep(5);
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#endif /* CONFIG_EXAMPLES_USBSERIAL_INONLY */
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/* If USB tracing is enabled, then dump all collected trace data to stdout */
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/* If USB tracing is enabled, then dump all collected trace data
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* to stdout
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*/
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dumptrace();
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}
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