Diff: HeaderFiles/RSEDP_BB_PCA9675_Serial_Input_Latch.h

Revision:

0:5b7639d1f2c4

--- /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 */