diff options
Diffstat (limited to 'src/c/hardware/rasberrypi/libraries/wiringPi/mcp23016reg.h')
| -rw-r--r-- | src/c/hardware/rasberrypi/libraries/wiringPi/mcp23016reg.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/c/hardware/rasberrypi/libraries/wiringPi/mcp23016reg.h b/src/c/hardware/rasberrypi/libraries/wiringPi/mcp23016reg.h new file mode 100644 index 00000000..9aea92d5 --- /dev/null +++ b/src/c/hardware/rasberrypi/libraries/wiringPi/mcp23016reg.h @@ -0,0 +1,48 @@ +/* + * mcp23016: + * Copyright (c) 2012-2013 Gordon Henderson + * + * Header file for code using the MCP23016 GPIO expander + * chip. + *********************************************************************** + * This file is part of wiringPi: + * https://projects.drogon.net/raspberry-pi/wiringpi/ + * + * wiringPi is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * wiringPi is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with wiringPi. + * If not, see <http://www.gnu.org/licenses/>. + *********************************************************************** + */ + +// MCP23016 Registers + +#define MCP23016_GP0 0x00 +#define MCP23016_GP1 0x01 +#define MCP23016_OLAT0 0x02 +#define MCP23016_OLAT1 0x03 +#define MCP23016_IPOL0 0x04 +#define MCP23016_IPOL1 0x05 +#define MCP23016_IODIR0 0x06 +#define MCP23016_IODIR1 0x07 +#define MCP23016_INTCAP0 0x08 +#define MCP23016_INTCAP1 0x09 +#define MCP23016_IOCON0 0x0A +#define MCP23016_IOCON1 0x0B + +// Bits in the IOCON register + +#define IOCON_IARES 0x01 + +// Default initialisation mode + +#define IOCON_INIT 0 |