Attachment 621162 Details for Bug 862915 – Send command to IguanaWorks USB device to reset/reboot itself

Send command to IguanaWorks USB device to reset/reboot itself

igreset.c (text/x-csrc), 2.62 KB, created by Sean Young on 2012-10-03 21:11:06 UTC

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Filename:

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Creator: Sean Young

Created: 2012-10-03 21:11:06 UTC

Size: 2.62 KB

patch

obsolete

>
>#include <stdio.h>
>#include <stdlib.h>
>#include <stdint.h>
>#include <limits.h>
>#include <libusb-1.0/libusb.h>
>
>
>struct iguanair {
>	uint16_t version;
>	uint8_t features;
>	uint8_t cycles;
>	libusb_device_handle *device;
>	const struct libusb_endpoint_descriptor *ep_in, *ep_out;
>};
>
>static int get_version(struct iguanair *ir)
>{
>	static uint8_t get_version[4] = { 0, 0, 0xcd, 0x01 };
>	int transferred, rc;
>
>	rc = libusb_interrupt_transfer(ir->device, ir->ep_out->bEndpointAddress,
>					 get_version, 4, &transferred, 1000);
>	if (rc) return rc;
>
>	uint8_t answer[8];
>
>	rc = libusb_interrupt_transfer(ir->device, ir->ep_in->bEndpointAddress, 
>				answer, 8, &transferred, 1000);
>
>	if (rc) return rc;
>	if (transferred != 6) return LIBUSB_ERROR_IO;
>
>	ir->version = answer[5] << 8 | answer[4];
>
>	printf("version: %x\n", ir->version);
>
>	if (!(ir->version & 0xff) || !(ir->version & 0xff00)) {
>		ir->features = 0xff;
>		return 0;
>	}
>
>	static uint8_t get_features[4] = { 0, 0, 0xcd, 0x10 };
>
>	rc = libusb_interrupt_transfer(ir->device, ir->ep_out->bEndpointAddress,
>					 get_features, 4, &transferred, 1000);
>	if (rc) return rc;
>
>	rc = libusb_interrupt_transfer(ir->device, ir->ep_in->bEndpointAddress, 
>				answer, 8, &transferred, 1000);
>
>	if (rc) return rc;
>	if (transferred < 5) return LIBUSB_ERROR_IO;
>
>	ir->features = answer[4];
>	ir->cycles = transferred > 5 ? answer[5] : 0;
>
>	return 0;
>}
>
>static int do_resetsend(struct iguanair *ir)
>{
>	int rc, transferred;
>	uint8_t reset[4] = { 0, 0, 0xcd, 0xff };
>
>	rc = libusb_interrupt_transfer(ir->device, 
>			ir->ep_out->bEndpointAddress, reset, sizeof(reset),
>							&transferred, 1000);
>	return rc;
>}
>
>int main(int argc, char *argv[])
>{
>	struct iguanair ir;
>	int rc;
>	libusb_device_handle *device;
>	libusb_context *libusb;
>	libusb_device *dev;
>	struct libusb_config_descriptor *config;
>	const struct libusb_interface_descriptor *interface;
>	
>	libusb_init(&libusb);
>
>	device = libusb_open_device_with_vid_pid(libusb, 0x1781, 0x0938);
>	if (!device) {
>		printf("usb: device not found\n");
>		exit(EXIT_FAILURE);
>	}
>
>	rc = libusb_set_configuration(device, 1);
>	//if (rc) printf("usb_set_configuration: %s\n", libusb_error_name(rc));
>	rc = libusb_claim_interface(device, 0);
>	//if (rc) printf("usb_claim_interface: %s\n", libusb_error_name(rc));
>
>	dev = libusb_get_device(device);
>	libusb_get_config_descriptor(dev, 0, &config);
>
>	interface = &config->interface[0].altsetting[0];
>
>	if (interface->bNumEndpoints < 2) {
>		printf("usb: device not found\n");
>		exit(EXIT_FAILURE);
>	}
>
>	ir.device = device;
>	ir.ep_in = &interface->endpoint[0];
>	ir.ep_out = &interface->endpoint[1];
>
>	get_version(&ir);
>	do_resetsend(&ir);
>
>	libusb_exit(libusb);
>
>	return 0;
>}

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Attachments on bug 862915: 621162 | 781757