diff options
Diffstat (limited to 'commandline/i2c-util.c')
| -rw-r--r-- | commandline/i2c-util.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/commandline/i2c-util.c b/commandline/i2c-util.c index 772aae7..426d7d8 100644 --- a/commandline/i2c-util.c +++ b/commandline/i2c-util.c @@ -23,6 +23,7 @@ obtained from http://libusb.sourceforge.net/. #include <usb.h> /* this is libusb, see http://libusb.sourceforge.net/ */ #include "i2c-util.h" +#include "../global_config.h" #define USBDEV_SHARED_VENDOR 0x16C0 /* VOTI */ #define USBDEV_SHARED_PRODUCT 0x05DC /* Obdev's free shared PID */ @@ -81,12 +82,14 @@ static int usbGetStringAscii(usb_dev_handle * dev, int index, int langid, char #define USB_ERROR_IO 3 static int usbOpenDevice(usb_dev_handle ** device, int vendor, char *vendorName, - int product, char *productName) + int product, char *productName, int upperversion, + int lowerversion) { struct usb_bus *bus; struct usb_device *dev; usb_dev_handle *handle = NULL; int errorCode = USB_ERROR_NOTFOUND; + int major, minor; static int didUsbInit = 0; if (!didUsbInit) { @@ -154,6 +157,25 @@ static int usbOpenDevice(usb_dev_handle ** device, int vendor, char *vendorName, if (handle != NULL) { errorCode = 0; *device = handle; + + minor = dev->descriptor.bcdDevice & 0xff; + major = dev->descriptor.bcdDevice >> 8; + + if (major != USBDEV_VERSION_MAJOR) { + fprintf(stderr, + "Error: Firmware and host software version are not compatible\n" + "Firmware: %2d.%02d\n Host: %2d.%02d\n" + "Please upgrade the firmware or downgrade the CLI\n", + major, minor, USBDEV_VERSION_MAJOR, USBDEV_VERSION_MINOR); + errorCode = -1; + } + else if (minor != USBDEV_VERSION_MINOR) { + fprintf(stderr, + "Note: Firmware and host software version may be incompatible\n" + "Firmware: %2d.%02d\n Host: %2d.%02d\n" + "Please upgrade the firmware or downgrade the CLI\n", + major, minor, USBDEV_VERSION_MAJOR, USBDEV_VERSION_MINOR); + } } return errorCode; } @@ -340,10 +362,12 @@ void i2c_init() usb_init(); if (usbOpenDevice (&handle, USBDEV_SHARED_VENDOR, "finalrewind.org", - USBDEV_SHARED_PRODUCT, "VUSB-I2C") != 0) { + USBDEV_SHARED_PRODUCT, "VUSB-I2C", 0, 1) != 0) { fprintf(stderr, - "Could not find USB device \"VUSB-I2C\" with vid=0x%x pid=0x%x\n", - USBDEV_SHARED_VENDOR, USBDEV_SHARED_PRODUCT); + "Could not find USB device \"VUSB-I2C\" with vid=0x%x pid=0x%x" + " version~%d.%02d\n", + USBDEV_SHARED_VENDOR, USBDEV_SHARED_PRODUCT, + USBDEV_VERSION_MAJOR, USBDEV_VERSION_MINOR); exit(1); } } |