app_config.h

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/*************************************************************************/
#ifndef APP_CONFIG_H
#define APP_CONFIG_H
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include "common_macros.h"
 
/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/
 
/* Macros for stringification */
#define XSTR(s)     #s
#define STR(s)      XSTR(s)
 
/* Enable the UART/VirtualCOM port connection (default VCOM) */
//#define USE_PHY_COM_PORT      // Uncomment to select UART
 
#if !defined(USE_PHY_COM_PORT)
#define USE_VIRTUAL_COM_PORT
#endif
 
/* Select the active platform */
#if !defined(ACTIVE_PLATFORM)
#define ACTIVE_PLATFORM     STM32_PLATFORM
#endif
 
#if (ACTIVE_PLATFORM == STM32_PLATFORM)
#include "app_config_stm32.h"
#else
#error "No/Invalid active platform selected"
#endif
 
// **** Note for User: ACTIVE_DEVICE selection **** //
/* Define the device type here from the list of below device type defines
 * (one at a time. Defining more than one device can result into compile error).
 * e.g. #define DEV_AD4692 -> This will make AD4692 as an ACTIVE_DEVICE.
 * The ACTIVE_DEVICE is default set to AD4692 if device type is not defined.
 * */
 
#define DEV_AD4692
 
#if defined(DEV_AD4692)
#define ACTIVE_DEVICE_NAME      "ad4692"
#define NO_OF_CHANNELS          16
#define HW_MEZZANINE_NAME       "EVAL-AD4692-ARDZ"
#else
#warning No/Unsupported ADxxxxy symbol defined. AD4692 defined
#define DEV_AD4692
#define ACTIVE_DEVICE_NAME      "ad4692"
#define NO_OF_CHANNELS          16
#define HW_MEZZANINE_NAME       "EVAL-AD4692-ARDZ"
#endif
 
#define AD4692_AS_SLOT_REG(n)   (0x100 + (n))
#define ADC_RESOLUTION          16
 
/****** Macros used to form a VCOM serial number ******/
#if !defined(DEVICE_NAME)
#define DEVICE_NAME     "DEV_AD4692"
#endif
 
/* Used to form a VCOM serial number */
#define FIRMWARE_NAME   "ad4692_iio"
 
#if !defined(PLATFORM_NAME)
#define PLATFORM_NAME   HW_CARRIER_NAME
#endif
 
/* Baud rate for IIO application UART interface */
#define IIO_UART_BAUD_RATE  (230400)
 
/* PHY com port will/should act as a console stdio port */
#if defined(USE_VIRTUAL_COM_PORT)
#define CONSOLE_STDIO_PORT_AVAILABLE
#endif
 
/* Enable/Disable the use of SDRAM for ADC data capture buffer */
#define USE_SDRAM   // Uncomment to use SDRAM as data buffer
 
/* Bytes per sample
 * Note: This is applicable to 16 bit data read in manual mode */
#define BYTES_PER_SAMPLE    sizeof(uint16_t)
 
/* Number of data storage bits (needed for IIO client to plot ADC data) */
#define CHN_STORAGE_BITS    (BYTES_PER_SAMPLE * 8)
 
#define CONV_TRIGGER_PERIOD_NSEC(x)     (((float)(1.0 / x) * 1000000) * 1000)
#define CONV_TRIGGER_DUTY_CYCLE_NSEC(x) (CONV_TRIGGER_PERIOD_NSEC(x) / 10)
 
/* Reference voltage in uV */
#define AD4692_VREF             4096000
 
/* Number of shifts to be performed to generate the 5 bit command */
#define AD4692_SHIFT_N  3
 
/* CNV on time in nanoseconds */
#define CNV_ON_TIME     50
 
/* Number of cycles of offset in case of Manual Mode */
#define N_CYCLE_OFFSET  2
 
/* Number of IIO devices */
#define NUM_OF_IIO_DEVICES           2
 
/******************************************************************************/
/********************** Variables and User Defined Data Types *****************/
/******************************************************************************/
 
/******************************************************************************/
/************************ Public Declarations *********************************/
/******************************************************************************/
 
extern struct no_os_uart_desc *uart_iio_com_desc;
extern struct no_os_uart_desc *uart_console_stdio_desc;
extern struct no_os_irq_ctrl_desc *trigger_irq_desc;
extern struct no_os_gpio_desc *cnv_gpio_desc;
extern struct no_os_eeprom_desc* eeprom_desc;
extern struct no_os_pwm_desc *tx_trigger_desc;
extern struct no_os_pwm_desc *spi_burst_pwm_desc;
extern struct no_os_pwm_init_param pwm_spi_burst_init;
extern struct no_os_irq_init_param trigger_gpio_irq_params;
 
int32_t init_system(void);
int init_gpio(void);
int init_pwm(void);
void ad4692_data_capture_callback(void *ctx);
int32_t init_interrupt(void);
 
#endif // APP_CONFIG_H