diff options
author | Daniel Friesel <derf@finalrewind.org> | 2013-05-14 09:17:59 +0200 |
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committer | Daniel Friesel <derf@finalrewind.org> | 2013-05-14 09:17:59 +0200 |
commit | bead72f65b5f0fcdb5839fd6bfe24c60adb0f480 (patch) | |
tree | 991f31be81e4ca8082091cfff8ee58a8b5ade193 /commandline |
initial commit
Diffstat (limited to 'commandline')
-rw-r--r-- | commandline/Makefile | 45 | ||||
-rw-r--r-- | commandline/powerSwitch.c | 217 |
2 files changed, 262 insertions, 0 deletions
diff --git a/commandline/Makefile b/commandline/Makefile new file mode 100644 index 0000000..4587b5e --- /dev/null +++ b/commandline/Makefile @@ -0,0 +1,45 @@ +# Name: Makefile +# Project: PowerSwitch +# Author: Christian Starkjohann +# Creation Date: 2005-01-16 +# Tabsize: 4 +# Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH +# License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt) +# This Revision: $Id$ + + +# Concigure the following definitions according to your system. The powerSwitch +# tool has been successfully compiled on Mac OS X, Linux and Windows. + +# Use the following 3 lines on Unix (uncomment the framework on Mac OS X): +USBFLAGS = `libusb-config --cflags` +USBLIBS = `libusb-config --libs` #-framework CoreFoundation +EXE_SUFFIX = + +# Use the following 3 lines on Windows and comment out the 3 above. You may +# have to change the include paths to where you installed libusb-win32 +#USBFLAGS = -I/usr/local/include +#USBLIBS = -L/usr/local/lib -lusb +#EXE_SUFFIX = .exe + + +CC = gcc +CFLAGS = $(USBFLAGS) -O -Wall +LIBS = $(USBLIBS) + +PROGRAM = powerSwitch$(EXE_SUFFIX) + + +all: $(PROGRAM) + +.c.o: + $(CC) $(CFLAGS) -c $< + +$(PROGRAM): powerSwitch.o + $(CC) -o $(PROGRAM) powerSwitch.o $(LIBS) + +strip: $(PROGRAM) + strip $(PROGRAM) + +clean: + rm -f *.o $(PROGRAM) diff --git a/commandline/powerSwitch.c b/commandline/powerSwitch.c new file mode 100644 index 0000000..ce29dde --- /dev/null +++ b/commandline/powerSwitch.c @@ -0,0 +1,217 @@ +/* Name: powerSwitch.c + * Project: PowerSwitch based on AVR USB driver + * Author: Christian Starkjohann + * Creation Date: 2005-01-16 + * Tabsize: 4 + * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH + * License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt) + * This Revision: $Id$ + */ + +/* +General Description: +This program controls the PowerSwitch USB device from the command line. +It must be linked with libusb, a library for accessing the USB bus from +Linux, FreeBSD, Mac OS X and other Unix operating systems. Libusb can be +obtained from http://libusb.sourceforge.net/. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <usb.h> /* this is libusb, see http://libusb.sourceforge.net/ */ + +#define USBDEV_SHARED_VENDOR 0x16C0 /* VOTI */ +#define USBDEV_SHARED_PRODUCT 0x05DC /* Obdev's free shared PID */ +/* Use obdev's generic shared VID/PID pair and follow the rules outlined + * in firmware/usbdrv/USBID-License.txt. + */ + +#define PSCMD_ECHO 0 +#define PSCMD_GET 1 +#define PSCMD_ON 2 +#define PSCMD_OFF 3 +/* These are the vendor specific SETUP commands implemented by our USB device */ + +static int usbGetStringAscii(usb_dev_handle *dev, int index, int langid, char *buf, int buflen) +{ +char buffer[256]; +int rval, i; + + if((rval = usb_control_msg(dev, USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING << 8) + index, langid, buffer, sizeof(buffer), 1000)) < 0) + return rval; + if(buffer[1] != USB_DT_STRING) + return 0; + if((unsigned char)buffer[0] < rval) + rval = (unsigned char)buffer[0]; + rval /= 2; + /* lossy conversion to ISO Latin1 */ + for(i=1;i<rval;i++){ + if(i > buflen) /* destination buffer overflow */ + break; + buf[i-1] = buffer[2 * i]; + if(buffer[2 * i + 1] != 0) /* outside of ISO Latin1 range */ + buf[i-1] = '?'; + } + buf[i-1] = 0; + return i-1; +} + + +/* PowerSwitch uses the free shared default VID/PID. If you want to see an + * example device lookup where an individually reserved PID is used, see our + * RemoteSensor reference implementation. + */ + +#define USB_ERROR_NOTFOUND 1 +#define USB_ERROR_ACCESS 2 +#define USB_ERROR_IO 3 + +static int usbOpenDevice(usb_dev_handle **device, int vendor, char *vendorName, int product, char *productName) +{ +struct usb_bus *bus; +struct usb_device *dev; +usb_dev_handle *handle = NULL; +int errorCode = USB_ERROR_NOTFOUND; +static int didUsbInit = 0; + + if(!didUsbInit){ + didUsbInit = 1; + usb_init(); + } + usb_find_busses(); + usb_find_devices(); + for(bus=usb_get_busses(); bus; bus=bus->next){ + for(dev=bus->devices; dev; dev=dev->next){ + if(dev->descriptor.idVendor == vendor && dev->descriptor.idProduct == product){ + char string[256]; + int len; + handle = usb_open(dev); /* we need to open the device in order to query strings */ + if(!handle){ + errorCode = USB_ERROR_ACCESS; + fprintf(stderr, "Warning: cannot open USB device: %s\n", usb_strerror()); + continue; + } + if(vendorName == NULL && productName == NULL){ /* name does not matter */ + break; + } + /* now check whether the names match: */ + len = usbGetStringAscii(handle, dev->descriptor.iManufacturer, 0x0409, string, sizeof(string)); + if(len < 0){ + errorCode = USB_ERROR_IO; + fprintf(stderr, "Warning: cannot query manufacturer for device: %s\n", usb_strerror()); + }else{ + errorCode = USB_ERROR_NOTFOUND; + /* fprintf(stderr, "seen device from vendor ->%s<-\n", string); */ + if(strcmp(string, vendorName) == 0){ + len = usbGetStringAscii(handle, dev->descriptor.iProduct, 0x0409, string, sizeof(string)); + if(len < 0){ + errorCode = USB_ERROR_IO; + fprintf(stderr, "Warning: cannot query product for device: %s\n", usb_strerror()); + }else{ + errorCode = USB_ERROR_NOTFOUND; + /* fprintf(stderr, "seen product ->%s<-\n", string); */ + if(strcmp(string, productName) == 0) + break; + } + } + } + usb_close(handle); + handle = NULL; + } + } + if(handle) + break; + } + if(handle != NULL){ + errorCode = 0; + *device = handle; + } + return errorCode; +} + + + +#define SDA_1 usb_control_msg(handle, USB_TYPE_VENDOR \ + | USB_RECIP_DEVICE | USB_ENDPOINT_IN, \ + PSCMD_ON, 0, 6, (char *)buffer, sizeof(buffer), \ + 5000); + +#define SDA_0 usb_control_msg(handle, USB_TYPE_VENDOR \ + | USB_RECIP_DEVICE | USB_ENDPOINT_IN, \ + PSCMD_OFF, 0, 6, (char *)buffer, sizeof(buffer), \ + 5000); + +#define SCL_1 usb_control_msg(handle, USB_TYPE_VENDOR \ + | USB_RECIP_DEVICE | USB_ENDPOINT_IN, \ + PSCMD_ON, 0, 7, (char *)buffer, sizeof(buffer), \ + 5000); + +#define SCL_0 usb_control_msg(handle, USB_TYPE_VENDOR \ + | USB_RECIP_DEVICE | USB_ENDPOINT_IN, \ + PSCMD_OFF, 0, 7, (char *)buffer, sizeof(buffer), \ + 5000); + +int main(int argc, char **argv) +{ +usb_dev_handle *handle = NULL; +unsigned char buffer[8]; + + usb_init(); + if(usbOpenDevice(&handle, USBDEV_SHARED_VENDOR, "www.obdev.at", USBDEV_SHARED_PRODUCT, "PowerSwitch") != 0){ + fprintf(stderr, "Could not find USB device \"PowerSwitch\" with vid=0x%x pid=0x%x\n", USBDEV_SHARED_VENDOR, USBDEV_SHARED_PRODUCT); + exit(1); + } +/* We have searched all devices on all busses for our USB device above. Now + * try to open it and perform the vendor specific control operations for the + * function requested by the user. + */ + + char line[8]; + signed char i; + short int number; + + SCL_1; + SDA_1; + usleep(1000); + SDA_0; + usleep(10); + SCL_0; + + while (fgets(line, 8, stdin) != NULL) { + if (sscanf(line, "%hi\n", &number) == 1) { + if ((number >= 0) && (number <= 255)) { + for (i = 7; i >= 0; i--) { + usleep(3); + if (number & (1 << i)) { + SDA_1; + } else { + SDA_0; + } + usleep(3); + SCL_1; + usleep(3); + SCL_0; + } + usleep(50); + } + } + if (strcmp(line, "push\n") == 0) { + SCL_1; + usleep(3); + SDA_1; + usleep(10); + SDA_0; + usleep(10); + SCL_0; + } + } + + SCL_1; + usleep(3); + SDA_1; + usleep(10); + + usb_close(handle); + return 0; +} |