WebSVN – heizung – Diff – /trunk/usb_comm.c



/*
 * (C) Copyright 2011, 2024 by Andreas Theofilu <andreas@theosys.at>
 * All rights reserved!
 */
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

	if (serialDev.method && serialDev.fd != -1)
	{
	   close(serialDev.fd);
	   serialDev.fd = -1;
	   serialDev.switch_fd = -1;
	   syslog(LOG_DAEMON | LOG_INFO,"Successful closed device %s", USBdevice);
	   USBdevice = NULL;
	   flag = 1;
	}
	else if (serialDev.handle != NULL )
	{
	   usb_release_interface(serialDev.handle,0);
	   usb_close(serialDev.handle);
	   serialDev.handle = NULL;
	   serialDev.switch_fd = -1;
	   syslog(LOG_DAEMON | LOG_INFO,"Successful closed device %u:%u", serialDev.USB_VID, serialDev.USB_PID);
	   flag = 1;
	}
 
	if (!flag)
	   syslog(LOG_DAEMON | LOG_ERR,"Error closing serial device for controlling heating!");
 
	return 0;
}
 
/*
   Open the USB connection with the first Garmin device we find.  Eventually,
   I'd like to add the ability to select a particular device.
*/
 
int serial_open()

 
	if (serialDev.method && serialDev.fd == -1)
	{
	   if ((serialDev.fd = open(USBdevice, O_RDWR | O_NDELAY)) == -1)
	   {
	      syslog(LOG_DAEMON | LOG_ERR, "Error opening device %s: %s", USBdevice, strerror(errno));
	      return 0;
	   }
 
	   serialDev.switch_fd = serialDev.fd;
	   syslog(LOG_DAEMON | LOG_INFO, "Successful opened device %s", USBdevice);
	   return 1;
	}
	else if (!serialDev.method && serialDev.handle == NULL)
	{
	   usb_init();

	      for (di = bi->devices; di != NULL; di = di->next )
	      {
	         if (di->descriptor.idVendor  == serialDev.USB_VID &&
			di->descriptor.idProduct == serialDev.USB_PID)
		 {
		       syslog(LOG_DAEMON | LOG_INFO, "Found VID %04x, PID %04x on %s/%s!",
			di->descriptor.idVendor,
			di->descriptor.idProduct,
			bi->dirname,
			di->filename);
		 }

		 serialDev.handle = usb_open(di);
		 serialDev.read_bulk = 0;
 
		 if (serialDev.handle == NULL)
		 {
		    syslog(LOG_DAEMON | LOG_ERR, "usb_open failed: %s!",usb_strerror());
		    return 0;
		 }
 
		 if (usb_set_configuration(serialDev.handle, 1) < 0)
		 {
		    syslog(LOG_DAEMON | LOG_ERR, "usb_set_configuration failed: %s!",usb_strerror());
		    return 0;
		 }
 
		 if (usb_claim_interface(serialDev.handle,0) < 0)
		 {
		    syslog(LOG_DAEMON | LOG_ERR, "usb_claim_interface failed: %s!",usb_strerror());
		    return 0;
		 }
 
		 for (i = 0; i < di->config->interface->altsetting->bNumEndpoints; i++)
		 {

	      if (serialDev.handle != NULL )
		 break;
	   }
 
	   if (serialDev.handle == NULL)
	      syslog(LOG_DAEMON | LOG_ERR, "Couldn't detect any serial device!");
	}
 
	return (serialDev.handle != NULL);
}
 

Rev 5	Rev 11
Line 1...	Line 1...
1	`/*`	1	`/*`
2	`* (C) Copyright 2011 by Andreas Theofilu <andreas@theosys.at>`	2	`* (C) Copyright 2011, 2024 by Andreas Theofilu <andreas@theosys.at>`
3	`* All rights reserved!`	3	`* All rights reserved!`
4	`*/`	4	`*/`
5	`#include <stdio.h>`	5	`#include <stdio.h>`
6	`#include <stdlib.h>`	6	`#include <stdlib.h>`
7	`#include <errno.h>`	7	`#include <errno.h>`
Line 81...	Line 81...
81	`if (serialDev.method && serialDev.fd != -1)`	81	`if (serialDev.method && serialDev.fd != -1)`
82	`{`	82	`{`
83	`close(serialDev.fd);`	83	`close(serialDev.fd);`
84	`serialDev.fd = -1;`	84	`serialDev.fd = -1;`
85	`serialDev.switch_fd = -1;`	85	`serialDev.switch_fd = -1;`
86	`syslog(LOG_INFO,"Successful closed device %s", USBdevice);`	86	`syslog(LOG_DAEMON \| LOG_INFO,"Successful closed device %s", USBdevice);`
87	`USBdevice = NULL;`	87	`USBdevice = NULL;`
88	`flag = 1;`	88	`flag = 1;`
89	`}`	89	`}`
90	`else if (serialDev.handle != NULL )`	90	`else if (serialDev.handle != NULL )`
91	`{`	91	`{`
92	`usb_release_interface(serialDev.handle,0);`	92	`usb_release_interface(serialDev.handle,0);`
93	`usb_close(serialDev.handle);`	93	`usb_close(serialDev.handle);`
94	`serialDev.handle = NULL;`	94	`serialDev.handle = NULL;`
95	`serialDev.switch_fd = -1;`	95	`serialDev.switch_fd = -1;`
96	`syslog(LOG_INFO,"Successful closed device %u:%u", serialDev.USB_VID, serialDev.USB_PID);`	96	`syslog(LOG_DAEMON \| LOG_INFO,"Successful closed device %u:%u", serialDev.USB_VID, serialDev.USB_PID);`
97	`flag = 1;`	97	`flag = 1;`
98	`}`	98	`}`
99		99
100	`if (!flag)`	100	`if (!flag)`
101	`syslog(LOG_DAEMON,"Error closing serial device for controlling heating!");`	101	`syslog(LOG_DAEMON \| LOG_ERR,"Error closing serial device for controlling heating!");`
102		102
103	`return 0;`	103	`return 0;`
104	`}`	104	`}`
105		105
106	`/*`	106	`/*`
107	`Open the USB connection with the first Garmin device we find. Eventually,`	107	`Open the USB connection with the first Garmin device we find. Eventually,`
108	`I'd like to add the ability to select a particular device.`	108	`I'd like to add the ability to select a particular device.`
109	`*/`	109	`*/`
110		110
111	`int serial_open()`	111	`int serial_open()`
Line 119...	Line 119...
119		119
120	`if (serialDev.method && serialDev.fd == -1)`	120	`if (serialDev.method && serialDev.fd == -1)`
121	`{`	121	`{`
122	`if ((serialDev.fd = open(USBdevice, O_RDWR \| O_NDELAY)) == -1)`	122	`if ((serialDev.fd = open(USBdevice, O_RDWR \| O_NDELAY)) == -1)`
123	`{`	123	`{`
124	`syslog(LOG_DAEMON, "Error opening device %s: %s", USBdevice, strerror(errno));`	124	`syslog(LOG_DAEMON \| LOG_ERR, "Error opening device %s: %s", USBdevice, strerror(errno));`
125	`return 0;`	125	`return 0;`
126	`}`	126	`}`
127		127
128	`serialDev.switch_fd = serialDev.fd;`	128	`serialDev.switch_fd = serialDev.fd;`
129	`syslog(LOG_INFO, "Successful opened device %s", USBdevice);`	129	`syslog(LOG_DAEMON \| LOG_INFO, "Successful opened device %s", USBdevice);`
130	`return 1;`	130	`return 1;`
131	`}`	131	`}`
132	`else if (!serialDev.method && serialDev.handle == NULL)`	132	`else if (!serialDev.method && serialDev.handle == NULL)`
133	`{`	133	`{`
134	`usb_init();`	134	`usb_init();`
Line 140...	Line 140...
140	`for (di = bi->devices; di != NULL; di = di->next )`	140	`for (di = bi->devices; di != NULL; di = di->next )`
141	`{`	141	`{`
142	`if (di->descriptor.idVendor == serialDev.USB_VID &&`	142	`if (di->descriptor.idVendor == serialDev.USB_VID &&`
143	`di->descriptor.idProduct == serialDev.USB_PID)`	143	`di->descriptor.idProduct == serialDev.USB_PID)`
144	`{`	144	`{`
145	`syslog(LOG_INFO, "Found VID %04x, PID %04x on %s/%s!",`	145	`syslog(LOG_DAEMON \| LOG_INFO, "Found VID %04x, PID %04x on %s/%s!",`
146	`di->descriptor.idVendor,`	146	`di->descriptor.idVendor,`
147	`di->descriptor.idProduct,`	147	`di->descriptor.idProduct,`
148	`bi->dirname,`	148	`bi->dirname,`
149	`di->filename);`	149	`di->filename);`
150	`}`	150	`}`
Line 152...	Line 152...
152	`serialDev.handle = usb_open(di);`	152	`serialDev.handle = usb_open(di);`
153	`serialDev.read_bulk = 0;`	153	`serialDev.read_bulk = 0;`
154		154
155	`if (serialDev.handle == NULL)`	155	`if (serialDev.handle == NULL)`
156	`{`	156	`{`
157	`syslog(LOG_DAEMON, "usb_open failed: %s!",usb_strerror());`	157	`syslog(LOG_DAEMON \| LOG_ERR, "usb_open failed: %s!",usb_strerror());`
158	`return 0;`	158	`return 0;`
159	`}`	159	`}`
160		160
161	`if (usb_set_configuration(serialDev.handle, 1) < 0)`	161	`if (usb_set_configuration(serialDev.handle, 1) < 0)`
162	`{`	162	`{`
163	`syslog(LOG_DAEMON, "usb_set_configuration failed: %s!",usb_strerror());`	163	`syslog(LOG_DAEMON \| LOG_ERR, "usb_set_configuration failed: %s!",usb_strerror());`
164	`return 0;`	164	`return 0;`
165	`}`	165	`}`
166		166
167	`if (usb_claim_interface(serialDev.handle,0) < 0)`	167	`if (usb_claim_interface(serialDev.handle,0) < 0)`
168	`{`	168	`{`
169	`syslog(LOG_DAEMON, "usb_claim_interface failed: %s!",usb_strerror());`	169	`syslog(LOG_DAEMON \| LOG_ERR, "usb_claim_interface failed: %s!",usb_strerror());`
170	`return 0;`	170	`return 0;`
171	`}`	171	`}`
172		172
173	`for (i = 0; i < di->config->interface->altsetting->bNumEndpoints; i++)`	173	`for (i = 0; i < di->config->interface->altsetting->bNumEndpoints; i++)`
174	`{`	174	`{`
Line 201...	Line 201...
201	`if (serialDev.handle != NULL )`	201	`if (serialDev.handle != NULL )`
202	`break;`	202	`break;`
203	`}`	203	`}`
204		204
205	`if (serialDev.handle == NULL)`	205	`if (serialDev.handle == NULL)`
206	`syslog(LOG_DAEMON, "Couldn't detect any serial device!");`	206	`syslog(LOG_DAEMON \| LOG_ERR, "Couldn't detect any serial device!");`
207	`}`	207	`}`
208		208
209	`return (serialDev.handle != NULL);`	209	`return (serialDev.handle != NULL);`
210	`}`	210	`}`
211		211

Subversion Repositories heizung

(root)/trunk/usb_comm.c – Rev 5 → 11