static ssize_t
writeUsbData (GioHandle *handle, const void *data, size_t size, int timeout) {
UsbChannel *channel = handle->usb.channel;
if (channel->definition.outputEndpoint) {
return usbWriteEndpoint(channel->device,
channel->definition.outputEndpoint,
data, size, timeout);
}
{
const UsbSerialOperations *serial = usbGetSerialOperations(channel->device);
if (serial) {
if (serial->writeData) {
return serial->writeData(channel->device, data, size);
}
}
}
errno = ENOSYS;
return -1;
}
static ssize_t
usbWriteData_CP2110 (UsbDevice *device, const void *data, size_t size) {
const unsigned char *first = data;
const unsigned char *next = first;
while (size) {
unsigned char report[0X40];
size_t count = sizeof(report) - 1;
if (count > size) count = size;
report[0] = count;
memcpy(&report[1], next, count);
{
ssize_t result = usbWriteEndpoint(device, 2, report, count+1, 1000);
if (result == -1) return result;
}
next += count;
size -= count;
}
return next - first;
}
static int
writeUsbBytes1 (const unsigned char *buffer, int length) {
return usbWriteEndpoint(usb->device, usb->definition.outputEndpoint,
buffer, length, 1000);
}
