diff options
Diffstat (limited to 'modules/temper/temper.c')
| -rw-r--r-- | modules/temper/temper.c | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/modules/temper/temper.c b/modules/temper/temper.c deleted file mode 100644 index 390f9056..00000000 --- a/modules/temper/temper.c +++ /dev/null @@ -1,277 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <usb.h> -#include <errno.h> - -/* - * Temper.c by Robert Kavaler (c) 2009 (relavak.com) - * All rights reserved. - * - * Temper driver for linux. This program can be compiled either as a library - * or as a standalone program (-DUNIT_TEST). The driver will work with some - * TEMPer usb devices from RDing (www.PCsensor.com). - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * THIS SOFTWARE IS PROVIDED BY Robert Kavaler ''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 Robert kavaler 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. - * - */ - -#include "temper.h" - -#define VENDOR_ID 0x1130 -#define PRODUCT_ID 0x660c - -struct Temper { - struct usb_device *device; - usb_dev_handle *handle; - int debug; - int timeout; -}; - - Temper * -TemperCreate(struct usb_device *dev, int timeout, int debug) -{ - Temper *t; - int ret; - - t = calloc(1, sizeof(*t)); - t->device = dev; - t->debug = debug; - t->timeout = timeout; - t->handle = usb_open(t->device); - if(!t->handle) { - free(t); - return NULL; - } - if(t->debug) { - printf("Trying to detach kernel driver\n"); - } - - ret = usb_detach_kernel_driver_np(t->handle, 0); - if(ret) { - if(errno == ENODATA) { - if(t->debug) { - printf("Device already detached\n"); - } - } else { - if(t->debug) { - printf("Detach failed: %s[%d]\n", - strerror(errno), errno); - printf("Continuing anyway\n"); - } - } - } else { - if(t->debug) { - printf("detach successful\n"); - } - } - ret = usb_detach_kernel_driver_np(t->handle, 1); - if(ret) { - if(errno == ENODATA) { - if(t->debug) - printf("Device already detached\n"); - } else { - if(t->debug) { - printf("Detach failed: %s[%d]\n", - strerror(errno), errno); - printf("Continuing anyway\n"); - } - } - } else { - if(t->debug) { - printf("detach successful\n"); - } - } - - if(usb_set_configuration(t->handle, 1) < 0 || - usb_claim_interface(t->handle, 0) < 0 || - usb_claim_interface(t->handle, 1)) { - usb_close(t->handle); - free(t); - return NULL; - } - return t; -} - - Temper * -TemperCreateFromDeviceNumber(int deviceNum, int timeout, int debug) -{ - struct usb_bus *bus; - int n; - - n = 0; - for(bus=usb_get_busses(); bus; bus=bus->next) { - struct usb_device *dev; - - for(dev=bus->devices; dev; dev=dev->next) { - if(debug) { - printf("Found device: %04x:%04x\n", - dev->descriptor.idVendor, - dev->descriptor.idProduct); - } - if(dev->descriptor.idVendor == VENDOR_ID && - dev->descriptor.idProduct == PRODUCT_ID) { - if(debug) { - printf("Found deviceNum %d\n", n); - } - if(n == deviceNum) { - return TemperCreate(dev, timeout, debug); - } - n++; - } - } - } - return NULL; -} - - void -TemperFree(Temper *t) -{ - if(t) { - if(t->handle) { - usb_close(t->handle); - } - free(t); - } -} - - static int -TemperSendCommand(Temper *t, int a, int b, int c, int d, int e, int f, int g, int h) -{ - unsigned char buf[32]; - int ret; - - bzero(buf, 32); - buf[0] = a; - buf[1] = b; - buf[2] = c; - buf[3] = d; - buf[4] = e; - buf[5] = f; - buf[6] = g; - buf[7] = h; - - if(t->debug) { - printf("sending bytes %d, %d, %d, %d, %d, %d, %d, %d\n", - a, b, c, d, e, f, g, h); - } - - ret = usb_control_msg(t->handle, 0x21, 9, 0x200, 0x01, - (char *) buf, 32, t->timeout); - if(ret != 32) { - perror("usb_control_msg failed"); - return -1; - } - return 0; -} - - static int -TemperGetData(Temper *t, char *buf, int len) -{ - int ret; - - return usb_control_msg(t->handle, 0xa1, 1, 0x300, 0x01, - (char *) buf, len, t->timeout); -} - - int -TemperGetTemperatureInC(Temper *t, float *tempC) -{ - char buf[256]; - int ret, temperature, i; - - TemperSendCommand(t, 10, 11, 12, 13, 0, 0, 2, 0); - TemperSendCommand(t, 0x54, 0, 0, 0, 0, 0, 0, 0); - for(i = 0; i < 7; i++) { - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - } - TemperSendCommand(t, 10, 11, 12, 13, 0, 0, 1, 0); - ret = TemperGetData(t, buf, 256); - if(ret < 2) { - return -1; - } - - temperature = (buf[1] & 0xFF) + (buf[0] << 8); - temperature += 1152; // calibration value - *tempC = temperature * (125.0 / 32000.0); - return 0; -} - - int -TemperGetOtherStuff(Temper *t, char *buf, int length) -{ - TemperSendCommand(t, 10, 11, 12, 13, 0, 0, 2, 0); - TemperSendCommand(t, 0x52, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 10, 11, 12, 13, 0, 0, 1, 0); - return TemperGetData(t, buf, length); -} - - -#define USB_TIMEOUT 1000 /* milliseconds */ -#define DEBUG_MODE 0 -#define SLEEP_TIMEOUT 10 - - int -main(int argv,char** args) -{ - - - Temper *t; - char buf[256]; - int i, ret,oneshot=0; - if (argv == 2 && (args[1][1] == 'h' || args[1][0] == 'h')) - { - printf("Temper, does the right thing in C\n"); - printf("recompile with DEBUG_MODE = 1 for all the debug printing\n"); - printf("recompile with SLEEP_TIMEOUT = XX for a different polling interval\n"); - exit(0); - } - - usb_set_debug(DEBUG_MODE); - usb_init(); - usb_find_busses(); - usb_find_devices(); - - t = TemperCreateFromDeviceNumber(0, USB_TIMEOUT, DEBUG_MODE); - if(!t) { - perror("TemperCreate"); - exit(-1); - } - - /* - TemperSendCommand(t, 10, 11, 12, 13, 0, 0, 2, 0); - TemperSendCommand(t, 0x43, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - TemperSendCommand(t, 0, 0, 0, 0, 0, 0, 0, 0); - */ - - bzero(buf, 256); - ret = TemperGetOtherStuff(t, buf, 256); - - float tempc; - - if(TemperGetTemperatureInC(t, &tempc) < 0) { - perror("TemperGetTemperatureInC"); - exit(1); - } - - printf("%.2f\n", tempc); - return 0; -} |