David Giles
/
CM-MBED_RSEDP_Test_Suite_LPC1768_V3
This is a complete listing of the RS-EDP software for the mbed module to support the RS-EDP platform.
Diff: HeaderFiles/RSEDP_BB_PCA9675_Serial_Input_Latch.h
- Revision:
- 0:5b7639d1f2c4
diff -r 000000000000 -r 5b7639d1f2c4 HeaderFiles/RSEDP_BB_PCA9675_Serial_Input_Latch.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HeaderFiles/RSEDP_BB_PCA9675_Serial_Input_Latch.h Fri Nov 19 09:49:16 2010 +0000 @@ -0,0 +1,29 @@ +/* Header File for the Serial Input Latch PCA9675 Device on the RS-EDP Base Board */ +/* ****************************************************************************** */ + + +extern sint32_t RSEDP_BB_setup_PCA9675(uint8_t Slave_Address); +/* Setup and configure the serial I/O latch for input reading mode */ +/* This function is called to reset the device to configure the I/O to input mode */ +/* The only parameter to be passed is the Slave Address of the device on the board. */ + + +extern sint32_t RSEDP_BB_PCA9675_reset(uint8_t Slave_Address); +/* Reset the device using a general call */ +/* This function uses the general call address feature to reset the device to power on status */ + + + +extern sint32_t RSEDP_BB_PCA9675_write_data(uint8_t Slave_Address, uint8_t port0_payload, uint8_t port1_payload); +/* Write two bytes to the device */ +/* This function writes two bytes, the first to the Port0 and second to Port1 */ + + +extern sint32_t RSEDP_BB_PCA9675_read_data(uint8_t Slave_Address, uint8_t *read_port0, uint8_t *read_port1); +/* Read two bytes from the device */ + +extern sint32_t RS_EDP_BB_Read_DIP_Switch(uint8_t Switch_Number, uint8_t *Switch_Status); +/* Read the switch position - either on or off */ +/* Call this function with a value 1 to 8 for the actual on/off status of the switch */ +/* the retrun status is 'DIP_SWITCH_ON' or 'DIP_SWITCH_OFF' */ +/* you can call this function with 'ALL_DIP_SWITCHES' and the value return is the 8 bit number read by the latch */