Malavika S / ADxxxx

template libraru

ADxxxx.cpp@1:9524c69f480d, 2019-07-18 (annotated)

Committer:
MitchAD
Date:
Thu Jul 18 00:12:31 2019 +0000
Revision:
1:9524c69f480d
Parent:
0:ba4696a23d38
Child:
2:1857aa1363ef
To Do: ; 1. Write two print functions for device and registers; 2. Make example of Sub Menu for Power Level; 3. Fix bug that deals with adxxxx_setup(); 4. Go through and make sure it is easy to follow everything is explicit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MitchAD 1:9524c69f480d 1 /******************************/
MitchAD 1:9524c69f480d 2 /* C FILE TEMPLATE */
MitchAD 1:9524c69f480d 3 /******************************/
MitchAD 1:9524c69f480d 4 #include "mbed.h" /*Neccessary Include Files*/
MitchAD 1:9524c69f480d 5 #include "ADxxxx.h"
MitchAD 1:9524c69f480d 6
MitchAD 1:9524c69f480d 7 #define ADXXXX_POWER_FULL 3
MitchAD 1:9524c69f480d 8 #define ADXXXX_POWER_MED 2
MitchAD 1:9524c69f480d 9 #define ADXXXX_POWER_LOW 1
MitchAD 1:9524c69f480d 10
MitchAD 1:9524c69f480d 11 #define ADXXXX_CALIBRATED 1
MitchAD 1:9524c69f480d 12 #define ADXXXX_NOT_CALIBRATED 0
MitchAD 1:9524c69f480d 13 /*Actual Declaration of all registers
MitchAD 1:9524c69f480d 14 based on the four fields declared in
MitchAD 1:9524c69f480d 15 the header file
MitchAD 1:9524c69f480d 16 {Address, Value, Size, Read or Write}*/
MitchAD 1:9524c69f480d 17 struct adxxxx_reg adxxxx_all_regs[ADXXXX_REG_NUMB] = {
MitchAD 1:9524c69f480d 18 {0x00, 0x00, 1, 1}, /* EX_ADXXXX_READ_WRITE_REG */
MitchAD 1:9524c69f480d 19 {0x01, 0x00, 1, 2}, /* EX_ADXXXX_READ_REG */
MitchAD 1:9524c69f480d 20 {0x02, 0x00, 1, 3}, /* EX_ADXXXX_WRITE_REG */
MitchAD 1:9524c69f480d 21 };
MitchAD 1:9524c69f480d 22
MitchAD 1:9524c69f480d 23 /*Function to malloc space for descriptor as well
MitchAD 1:9524c69f480d 24 as start the proper serial communication
MitchAD 1:9524c69f480d 25 **You should only be using either SPI or I2C at once**
MitchAD 1:9524c69f480d 26 Parameters: Pointer to a pointer to the device descriptor
MitchAD 1:9524c69f480d 27 Return Value: SUCCESS, FAILURE (You can make these more appropriate return
MitchAD 1:9524c69f480d 28 values if you would like, making it more
MitchAD 1:9524c69f480d 29 readable)*/
MitchAD 1:9524c69f480d 30 static int adxxxx_setup(struct adxxxx_descriptor **device, struct adxxxx_init_params init_param) {
MitchAD 1:9524c69f480d 31
MitchAD 1:9524c69f480d 32 int8_t return_val = 1;
MitchAD 1:9524c69f480d 33 struct adxxxx_descriptor * desc;
MitchAD 1:9524c69f480d 34 extern struct adxxxx_reg adxxxx_all_regs[ADXXXX_REG_NUMB];
MitchAD 1:9524c69f480d 35
MitchAD 1:9524c69f480d 36 desc = (struct adxxxx_descriptor *)malloc(sizeof(*desc));
MitchAD 1:9524c69f480d 37 if (!desc)
MitchAD 1:9524c69f480d 38 return FAILURE;
MitchAD 1:9524c69f480d 39
MitchAD 1:9524c69f480d 40 desc->all_regs = adxxxx_all_regs;
MitchAD 1:9524c69f480d 41
MitchAD 1:9524c69f480d 42 /*Example of turning the device on and calibrating
MitchAD 1:9524c69f480d 43 it, but clearly this is device specific*/
MitchAD 1:9524c69f480d 44 desc->is_calibrated = 1;
MitchAD 1:9524c69f480d 45 desc->power_level = 1;
MitchAD 1:9524c69f480d 46
MitchAD 1:9524c69f480d 47 //return_val = spi_init(&desc->spi_desc, &init_params.spi_init);
MitchAD 1:9524c69f480d 48 //return_val = i2c_init(&desc->i2c_desc, &init_params.i2c_init);
MitchAD 1:9524c69f480d 49 if (return_val < 1)
MitchAD 1:9524c69f480d 50 return FAILURE;
MitchAD 1:9524c69f480d 51
MitchAD 1:9524c69f480d 52 *device = desc;
MitchAD 1:9524c69f480d 53 return SUCCESS;
MitchAD 1:9524c69f480d 54 }