Mini board PCU9669 evaluation kit library
Dependents: mini_board_PCU9669
Diff: PCA9665_access.h
- Revision:
- 0:0737f5596e3d
- Child:
- 1:d7f7e0790f60
diff -r 000000000000 -r 0737f5596e3d PCA9665_access.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PCA9665_access.h Thu Mar 15 04:01:44 2012 +0000 @@ -0,0 +1,78 @@ +/** A sample code for "mini board PCU9669/PCA9665" + * + * @author Tedd OKANO, NXP Semiconductors + * @version 0.9 + * @date 14-Feb-2011 + * + * Released under the MIT License: http://mbed.org/license/mit + * + * An operation sample of PCU9669/PCA9665 I2C bus controller. + * The mbed accesses the bus controller's parallel port (8/2 bit address and 8 bit data) by bit-banging. + * The bit-banging is poerformed by PortInOut function of mbed library. + * + * To make the code porting easier, all codes are partitioned into layers to abstract other parts. + * The mbed specific parts are concentrated in lowest layer: "hardware_abs.*". + * This module may need to be modified for the porting. + * + * All other upper layers are writen in standard-C. + * + * base code is written from 05-Sep-2011 to 09-Sep-2011. + * And demo code has been build on 11-Sep-2011. + * Debug and code adjustment has been done on 08-Sep-2011. + * Small sanitization for main.cpp. All mbed related codes are moved in to "hardware_abs.*". 13-Oct-2011 + * hardware_abs are moved into parallel_bus library folder, 3 LED driver operation sample 13-Feb.-2012 + * PCU9669 and PCA9665 codes are packed in a project 14-Feb-2012. + * + * Before builidng the code, please edit the file mini_board_PCU9669/config.h + * Uncomment the target name what you want to target. + */ + +#ifndef MINIBOARD_PCA9665_ACCESS__ +#define MINIBOARD_PCA9665_ACCESS__ + + +#define OP_MODE_BOTH 0 +#define OP_MODE_MASTER_ONLY 1 +#define OP_MODE_SLAVE_ONLY 2 + +#define RESTART_DISABLE 0 +#define STOP RESTART_DISABLE +#define RESTART_ENABLE 1 +#define NEXT_RESTART RESTART_ENABLE + +#define PCA9665_BURST_DATA_ACCESS + + +typedef enum { + SPEED_STD_MODE = 0, + SPEED_FAST_MODE = 1, + SPEED_FAST_MODE_PLUS = 2 +} +speed_mode_val; + +typedef enum { + DISABLE = 0, + ENABLE = 1 +} +buffer_mode_flag; + +void set_speed_mode( int mode ); +void set_buffer_mode( int mode ); + +int i2c_write( char addr, char *dp, char length, char restart_flag ); +int i2c_read( char addr, char *dp, char length, char restart_flag ); + +int i2c_write_buffer_mode( char addr, char *dp, char length, char restart_flag ); +int i2c_read_buffer_mode( char addr, char *dp, char length, char restart_flag ); + +int i2c_write_byte_mode( char addr, char *dp, char length, char restart_flag ); +int i2c_read_byte_mode( char addr, char *dp, char length, char restart_flag ); + + +void PCA9665_init( void ); + +void indirect_write( char idaddr, char data ); +char indirect_read( char idaddr ); + +#endif // MINIBOARD_PCA9665_ACCESS__ +