app_config_mbed.h

Go to the documentation of this file.

/***************************************************************************/
#ifndef APP_CONFIG_MBED_H_
#define APP_CONFIG_MBED_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include <PinNames.h>
 
#include "mbed_uart.h"
#include "mbed_irq.h"
#include "mbed_spi.h"
#include "mbed_i2c.h"
#include "mbed_pwm.h"
#include "mbed_gpio.h"
#include "mbed_gpio_irq.h"
 
/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/
 
/* Pin mapping of SDP-K1 w.r.t Arduino connector */
#define SPI_CSB         ARDUINO_UNO_D10
#define SPI_HOST_SDO    ARDUINO_UNO_D11
#define SPI_HOST_SDI    ARDUINO_UNO_D12
#define SPI_SCK         ARDUINO_UNO_D13
 
#define I2C_SCL         ARDUINO_UNO_D15
#define I2C_SDA         ARDUINO_UNO_D14
 
/* Pins used to trigger and/or read a new (periodic) conversion event */
#define PWM_TRIGGER     ARDUINO_UNO_D3
 
/* Common pin mapping on SDP-K1 */
#define UART_TX         CONSOLE_TX
#define UART_RX         CONSOLE_RX
#define LED_GPO         LED3
 
/* Define the max possible sampling (or output data) rate for a given platform.
 * This is also used to find the time period to trigger a periodic conversion event.
 * Note: Max possible ODR is 32KSPS per channel for continuous data capture on
 * IIO client. This is derived by testing the firmware on SDP-K1 controller board
 * @20Mhz SPI clock. The max possible ODR can vary from board to board and
 * data continuity is not guaranteed above this ODR on IIO oscilloscope */
#define SAMPLING_RATE                   (32000)
#define CONV_TRIGGER_PERIOD_NSEC        (((float)(1.0 / SAMPLING_RATE) * 1000000) * 1000)
#define CONV_TRIGGER_DUTY_CYCLE_NSEC    (CONV_TRIGGER_PERIOD_NSEC / 2)
 
/******************************************************************************/
/********************** Public/Extern Declarations ****************************/
/******************************************************************************/
 
extern struct mbed_uart_init_param mbed_uart_extra_init_params;
extern struct mbed_uart_init_param mbed_vcom_extra_init_params;
extern struct mbed_spi_init_param mbed_spi_extra_init_params;
extern struct mbed_gpio_init_param mbed_trigger_gpio_extra_init_params;
extern struct mbed_gpio_irq_init_param mbed_trigger_gpio_irq_init_params;
extern struct mbed_pwm_init_param mbed_pwm_extra_init_params;
extern struct mbed_i2c_init_param mbed_i2c_extra_init_params;
 
#endif /* APP_CONFIG_MBED_H_ */