public void ExitProtocol()
{
for (int i = 0; i < j.Count; ++i)
{
j[i].Detach();
}
HIDapi.hid_exit();
}
private static int rw(uint start_page, int bytes, byte[] in_buf, bool read = true, bool eeprom_write = false)
{
if (eeprom_write)
{
read = true;
}
bool connect_success = true;
HIDapi.hid_init();
IntPtr ptr = HIDapi.hid_enumerate(USB_VID, USB_PID);
if (ptr == IntPtr.Zero)
{
HIDapi.hid_free_enumeration(ptr);
HIDapi.hid_exit();
connect_success = false;
return(-4);
}
hid_device_info enumerate = (hid_device_info)Marshal.PtrToStructure(ptr, typeof(hid_device_info));
IntPtr handle = HIDapi.hid_open_path(enumerate.path);
HIDapi.hid_set_nonblocking(handle, 1);
HIDapi.hid_free_enumeration(ptr);
if (!connect_success)
{
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(-4);
}
int numPages = bytes / pagelen;
if (bytes % pagelen != 0)
{
++numPages;
}
int in_buf_ind = 0;
byte[] r = new byte[recvlen];
byte[] s = new byte[sendlen];
uint i = 0;
for (i = start_page; i < start_page + numPages; ++i)
{
s[0] = 0;
// pack address bytes in big endian
s[1] = 0;
s[2] = (byte)((i >> 8) & 0xff);
s[3] = (byte)(i & 0xff);
byte crc = 0;
string formatstr;
if (!read | eeprom_write)
{
for (int j = addrlen + 1; j < sendlen; ++j)
{
if (in_buf_ind < bytes)
{
s[j] = in_buf[in_buf_ind];
++in_buf_ind;
}
crc = crc7_table[crc ^ s[j]];
}
crc >>= 1;
s[1] = (byte)0x80;
s[1] |= crc;
}
if (eeprom_write)
{
s[1] = (byte)0x20;
}
if (debugdump)
{
formatstr = "sent page: {0:S}";
PrintArray(s, format: formatstr);
}
int res = 0;
int err = 0;
res = HIDapi.hid_send_feature_report(handle, s, new UIntPtr(sendlen));
if (res < 1)
{
err = -1;
}
else
{
res = HIDapi.hid_read_timeout(handle, r, new UIntPtr(recvlen), 1000);
if (res < 1)
{
err = -2;
}
if (r[1] != s[1] || r[2] != s[2] || r[3] != s[3])
{
err = -3;
}
}
if (err == 0)
{
if (read)
{
for (int j = addrlen + 1; j < recvlen; ++j)
{
if (in_buf_ind < bytes)
{
in_buf[in_buf_ind] = r[j];
++in_buf_ind;
}
}
}
if (debugdump)
{
formatstr = string.Concat(String.Format("page {0:D}, read: {1:B}, err: {2:D}, data: ", i, read, err), "{0:S}");
PrintArray(r, format: formatstr);
}
}
else
{
if (debugdump)
{
print("error reading");
print(err.ToString());
}
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(err);
}
formatstr = string.Concat(String.Format("page {0:D}, read: {1:B}, data: ", i, read), "{0:S}");
PrintArray(r, format: formatstr);
}
// tell device to copy flash memory out of buffer
if (!read && !eeprom_write)
{
s[1] = 0x40;
s[2] = (byte)((start_page >> 8) & 0xff);
s[3] = (byte)(start_page & 0xff);
s[4] = (byte)((i >> 8) & 0xff);
s[5] = (byte)(i & 0xff);
int res = HIDapi.hid_send_feature_report(handle, s, new UIntPtr(sendlen));
if (res < 1)
{
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(-2);
}
res = HIDapi.hid_read_timeout(handle, r, new UIntPtr(recvlen), 1000);
if (res < 1)
{
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(-2);
}
if (r[1] != s[1] || r[2] != s[2] || r[3] != s[3])
{
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(-3);
}
}
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(0);
}
public static int SetLEDBrightness(float brightness_)
{
if (led_brightness_locked)
{
return(-4);
}
if (brightness_ > 1f)
{
return(-5);
}
HIDapi.hid_init();
byte brightness = (byte)(brightness_ * 255);
IntPtr ptr = HIDapi.hid_enumerate(USB_VID, USB_PID);
if (ptr == IntPtr.Zero)
{
HIDapi.hid_free_enumeration(ptr);
HIDapi.hid_exit();
return(-4);
}
hid_device_info enumerate = (hid_device_info)Marshal.PtrToStructure(ptr, typeof(hid_device_info));
IntPtr handle = HIDapi.hid_open_path(enumerate.path);
HIDapi.hid_set_nonblocking(handle, 1);
HIDapi.hid_free_enumeration(ptr);
byte[] r = new byte[recvlen];
byte[] s = new byte[sendlen];
for (int i = 0; i < sendlen; ++i)
{
s[i] = 0;
}
s[1] = (byte)0x10;
s[2] = brightness;
int res = 0;
int err = 0;
res = HIDapi.hid_send_feature_report(handle, s, new UIntPtr(sendlen));
if (res < 1)
{
err = -1;
}
else
{
res = HIDapi.hid_read_timeout(handle, r, new UIntPtr(recvlen), 1000);
if (res < 1)
{
err = -2;
}
if (r[1] != s[1] || r[2] != s[2] || r[3] != s[3])
{
led_brightness_locked = true;
err = -3;
}
if (r[4] == 0xff)
{
led_brightness_locked = true;
err = -4;
}
}
HIDapi.hid_close(handle);
HIDapi.hid_exit();
return(err);
}
