Diff: AO19Lib/AO19_lib.h

Revision:

6:51f492ca61a2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AO19Lib/AO19_lib.h	Wed Oct 14 00:19:02 2020 +0000
@@ -0,0 +1,64 @@
+#include "mbed.h"
+
+//AO19 Registers
+#define AO19_DEVICE_ID      0x00    // AO19 Chip ID
+#define AO19_BB_CFG0        0x01    // AO19 Buck Boost Configure
+#define AO19_BB_VSET        0x02    // AO19 Buck Boost Voltage Set
+#define AO19_BB_ISET        0x03    // AO19 Buck Boost Current Set
+#define AO19_BB_CFG1        0x04    // AO19 Buck Boost Configure 1
+#define AO19_STATUS         0x05    // AO19 Status Register
+#define AO19_INT            0x06    // AO19 Interrupt
+#define AO19_MSK            0x07    // AO19 Mask
+#define AO19_LOCK_MSK       0x50    // AO19 Lock Mask
+#define AO19_PASSWD         0x51    // AO19 Password
+
+#define DEVICE_ACK      0
+#define DEVICE_NACK     1
+#define DEVICE_BAD_RESP 2
+
+#define MAX_DEVICES 64      // Maximum number of rom devices allowed
+#define ID_LENGTH   6       // Rom ID length in bytes
+
+struct AO19_struct {
+    char rom_id[ID_LENGTH];     // device ROM ID
+    char I2C_address;           // I2C addess, based on GPIO0 and GPIO1 at power up
+                                // Why char?
+}; 
+
+// *****************************************************************************
+//   AO19_write_register(char, char, char)  writes single byte to AO19
+//                       char   I2C address
+//                       char   AO19 register address
+//                       char   data byte to be writen
+//   returns                    0 on success ACK, 1 on NACK 
+// *****************************************************************************
+int AO19_write_register(I2C *i2c, char I2C_add, char reg_add, char byte);
+
+/// ****************************************************************************
+//   AO19_write_register(char, char, char *, int)  writes multiple bytes to AO19
+//                       char   I2C address
+//                       char   AO19 register address
+//                       char * data vector of bytes to be written
+//                       int    number of bytes to write
+//   returns                    0 on success ACK, 1 on NACK 
+// *****************************************************************************
+int AO19_write_register(I2C *i2c, char I2C_add, char reg_add, char *bytes, int n);
+
+// *****************************************************************************
+//   AO19_read_register(char, char, char *)  reads single byte from AO19
+//                       char   I2C address
+//                       char   AO19 register address
+//                       char * data vector for read bytes to be stored in 
+//   returns                    0 on success, 1 on fail 
+// *****************************************************************************
+int AO19_read_register(I2C *i2c, char I2C_add, char reg_add, char *bytes);
+
+// *****************************************************************************
+//   AO19_read_register(char, char, char *, int)  reads byte(s) from AO19
+//                       char   I2C address
+//                       char   OT07 register address
+//                       char * data vector for read bytes to be stored in 
+//                       int    number of bytes to read
+//   returns                    0 on success, 1 on fail 
+// *****************************************************************************
+int AO19_read_register(I2C *i2c, char I2C_add, char reg_add, char *bytes, int n);