diff options
Diffstat (limited to 'pc-client.c')
| -rw-r--r-- | pc-client.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/pc-client.c b/pc-client.c deleted file mode 100644 index 1b6cb21..0000000 --- a/pc-client.c +++ /dev/null @@ -1,159 +0,0 @@ -#include <string.h> -#include <usb.h> -#include <stdio.h> -#include <stdlib.h> - - -#define USB_LED_OFF 0 -#define USB_LED_ON 1 - - -/* Used to get descriptor strings for device identification */ -static int usbGetDescriptorString(usb_dev_handle *dev, int index, int langid, - char *buf, int buflen) { - char buffer[256]; - int rval, i; - - // make standard request GET_DESCRIPTOR, type string and given index - // (e.g. dev->iProduct) - rval = usb_control_msg(dev, - USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_ENDPOINT_IN, - USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING << 8) + index, langid, - buffer, sizeof(buffer), 1000); - - if(rval < 0) // error - return rval; - - // rval should be bytes read, but buffer[0] contains the actual response size - if((unsigned char)buffer[0] < rval) - rval = (unsigned char)buffer[0]; // string is shorter than bytes read - - if(buffer[1] != USB_DT_STRING) // second byte is the data type - return 0; // invalid return type - - // we're dealing with UTF-16LE here so actual chars is half of rval, - // and index 0 doesn't count - rval /= 2; - - /* lossy conversion to ISO Latin1 */ - for(i = 1; i < rval && i < buflen; i++) { - if(buffer[2 * i + 1] == 0) - buf[i-1] = buffer[2 * i]; - else - buf[i-1] = '?'; /* outside of ISO Latin1 range */ - } - buf[i-1] = 0; - - return i-1; -} - -static usb_dev_handle * usbOpenDevice(int vendor, char *vendorName, - int product, char *productName) { - struct usb_bus *bus; - struct usb_device *dev; - char devVendor[256], devProduct[256]; - - usb_dev_handle * handle = NULL; - - 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) - continue; - - /* we need to open the device in order to query strings */ - if(!(handle = usb_open(dev))) { - fprintf(stderr, "Warning: cannot open USB device: %s\n", - usb_strerror()); - continue; - } - - /* get vendor name */ - if(usbGetDescriptorString(handle, dev->descriptor.iManufacturer, - 0x0409, devVendor, sizeof(devVendor)) < 0) { - fprintf(stderr, - "Warning: cannot query manufacturer for device: %s\n", - usb_strerror()); - usb_close(handle); - continue; - } - - /* get product name */ - if(usbGetDescriptorString(handle, dev->descriptor.iProduct, - 0x0409, devProduct, sizeof(devVendor)) < 0) { - fprintf(stderr, - "Warning: cannot query product for device: %s\n", - usb_strerror()); - usb_close(handle); - continue; - } - - if(strcmp(devVendor, vendorName) == 0 && - strcmp(devProduct, productName) == 0) - return handle; - else - usb_close(handle); - } - } - - return NULL; -} - -int main(int argc, char **argv) { - usb_dev_handle *handle = NULL; - int nBytes = 0; - char buffer[256]; - - if(argc < 2) { - printf("Usage:\n"); - printf("usbtext.exe on\n"); - printf("usbtext.exe off\n"); - exit(1); - } - - handle = usbOpenDevice(0x16C0, "windfisch.org", 0x05DC, "Flo Test"); - - if(handle == NULL) { - fprintf(stderr, "Could not find USB device!\n"); - exit(1); - } - - if(strcmp(argv[1], "on") == 0) { - nBytes = usb_control_msg(handle, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, - USB_LED_ON, 0, 0, (char *)buffer, sizeof(buffer), 5000); - } else if(strcmp(argv[1], "off") == 0) { - nBytes = usb_control_msg(handle, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, - USB_LED_OFF, 0, 0, (char *)buffer, sizeof(buffer), 5000); - } else if (strcmp(argv[1], "read") == 0) { - char buffer[1024]; - nBytes = usb_control_msg(handle, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, - 2, 0, 0, buffer, sizeof(buffer), 5000); - printf("received %i bytes: %s\n", nBytes, buffer); - } else if (strcmp(argv[1], "change") == 0) { - nBytes = usb_control_msg(handle, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, - 3, 32, 4, buffer, sizeof(buffer), 5000); - buffer[nBytes]=0; - printf("received %i bytes: %s\n", nBytes, buffer); - } else if (strcmp(argv[1], "write") == 0) { - nBytes = usb_control_msg(handle, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, - 4, 0, 0, argv[2], strlen(argv[2])+1, 5000); - buffer[nBytes]=0; - printf("received %i bytes: %s\n", nBytes, buffer); - } - - if(nBytes < 0) - fprintf(stderr, "USB error: %s\n", usb_strerror()); - - usb_close(handle); - - return 0; -} |