app_config_mbed.h

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/***************************************************************************/
#ifndef APP_CONFIG_MBED_H_
#define APP_CONFIG_MBED_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include <stdint.h>
#include <PinNames.h>
 
#include "mbed_i2c.h"
#include "mbed_spi.h"
#include "mbed_gpio.h"
#include "mbed_gpio_irq.h"
#include "mbed_pwm.h"
#include "mbed_uart.h"
 
/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/
 
/* Pin mapping for AD405X w.r.t Arduino Headers */
#define SPI_CS_PIN_NUM          ARDUINO_UNO_D10
#define SPI_HOST_SDO    ARDUINO_UNO_D11
#define SPI_HOST_SDI    ARDUINO_UNO_D12
#define SPI_SCK         ARDUINO_UNO_D13
 
#define CNV_PIN         ARDUINO_UNO_D6
#define RESET_PIN       ARDUINO_UNO_D1
#define GP0_PIN         ARDUINO_UNO_D9
#define GP1_PIN         ARDUINO_UNO_D8
 
/* Pins used to trigger a new (periodic) conversion event */
#define PWM_TRIGGER     ARDUINO_UNO_D6
 
#define trigger_gpio_handle         0    // Unused macro
#define TRIGGER_GPIO_PORT           0    // Unused macro
#define TRIGGER_GPIO_PIN            PWM_TRIGGER
#define TIMER1_ID                   0    // Unused macro
#define TIMER2_ID                   0    // Unused macro
#define TRIGGER_INT_ID              0    // Unused macro
#define I2C_DEV_ID                  0    // Unused macro
#define UART_MODULE                 0    // Unused macro
#define UART_IRQ                    0    // Unused macro
#define SPI_DEVICE_ID               0    // Unused macro
#define CNV_PIN_NUM                 ARDUINO_UNO_D6    // Unused macro
#define CNV_PORT_NUM                0    // Unused macro
#define GP0_PIN_NUM                 ARDUINO_UNO_D9    // Unused macro
#define GP0_PORT_NUM                0    // Unused macro
#define GP1_PIN_NUM                 ARDUINO_UNO_D8    // Unused macro
#define GP1_PORT_NUM                0    // Unused macro
 
/* Console pin mapping on SDP-K1 */
#define UART_TX         CONSOLE_TX
#define UART_RX         CONSOLE_RX
 
#define I2C_SCL         ARDUINO_UNO_D15
#define I2C_SDA         ARDUINO_UNO_D14
 
/* Redefine the init params structure mapping w.r.t. platform */
#define uart_extra_init_params mbed_uart_extra_init_params
#define vcom_extra_init_params mbed_vcom_extra_init_params
#define spi_extra_init_params       mbed_spi_extra_init_params
#define i2c_extra_init_params       mbed_i2c_extra_init_params
#define pwm_extra_init_params       mbed_pwm_extra_init_params
#define cnv_extra_init_params       mbed_gpio_cnv_extra_init_params
#define gp0_extra_init_params       mbed_gpio_gp0_extra_init_params
#define gp1_extra_init_params       mbed_gpio_gp1_extra_init_params
#define trigger_gpio_irq_extra_params mbed_trigger_gpio_irq_init_params
 
/* Platform ops */
#define gpio_ops                    mbed_gpio_ops
#define spi_ops                     mbed_spi_ops
#define i2c_ops                     mbed_i2c_ops
#define uart_ops                    mbed_uart_ops
#define pwm_ops                     mbed_pwm_ops
#define vcom_ops                    mbed_virtual_com_ops
#define trigger_gpio_irq_ops        mbed_gpio_irq_ops
 
#define MAX_SPI_SCLK                22500000
 
/* 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 62.5KSPS per channel for continuous data capture on
 * IIO client. This is derived by testing the firmware on SDP-K1 controller board
 * @22Mhz 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                   (62500)
#define CONV_TRIGGER_PERIOD_NSEC(x)     (((float)(1.0 / x) * 1000000) * 1000)
#define CONV_TRIGGER_DUTY_CYCLE_NSEC(x) (x / 10)
 
/******************************************************************************/
/********************** Public/Extern Declarations ****************************/
/******************************************************************************/
extern struct mbed_spi_init_param mbed_spi_extra_init_params;
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_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;
extern struct mbed_gpio_init_param mbed_gpio_cnv_extra_init_params;
extern struct mbed_gpio_init_param mbed_gpio_gp0_extra_init_params;
extern struct mbed_gpio_init_param mbed_gpio_gp1_extra_init_params;
 
#endif /* APP_CONFIG_MBED_H_ */