parameters.h

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/***************************************************************************/
#ifndef __PARAMETERS_H__
#define __PARAMETERS_H__
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include "stm32_hal.h"
#include "stm32_irq.h"
#include "stm32_gpio_irq.h"
#include "stm32_spi.h"
#include "stm32_gpio.h"
#include "stm32_uart.h"
#include "stm32_uart_stdio.h"
#include "no_os_units.h"
 
/******************************************************************************/
/********************** Macros and Constants Definitions **********************/
/******************************************************************************/
extern UART_HandleTypeDef huart5;
#define SAMPLES_PER_CHANNEL_PLATFORM 2000
#define MAX_SIZE_BASE_ADDR     (SAMPLES_PER_CHANNEL_PLATFORM * 2 * sizeof(uint32_t))
 
#ifdef IIO_SUPPORT
#define INTC_DEVICE_ID 0
#endif
 
#define UART_IRQ_ID     UART5_IRQn
 
#define UART_DEVICE_ID      5
#define UART_BAUDRATE       115200
#define UART_EXTRA      &ad463x_uart_extra_ip
#define UART_OPS        &stm32_uart_ops
 
#define SPI_DEVICE_ID       1
#define SPI_BAUDRATE        20000000
#define SPI_CS          15
#define SPI_CS_PORT     GPIO_PORT_A
#define SPI_OPS         &stm32_spi_ops
#define SPI_EXTRA       &ad463x_spi_extra_ip
 
#define GPIO_OPS        &stm32_gpio_ops
#define GPIO_EXTRA      NULL
 
#define GPIO_RESETN_1       11
#define GPIO_RESETN_PORT    GPIO_PORT_A
 
#define GPIO_PORT_G     6
#define GPIO_CNV        10
#define GPIO_CNV_PORT       GPIO_PORT_A
 
#define DCACHE_INVALIDATE   NULL
#define GPIO_PORT_A     0
 
extern struct stm32_uart_init_param ad463x_uart_extra_ip;
extern struct stm32_spi_init_param ad463x_spi_extra_ip;
 
extern struct stm32_pwm_init_param cnv_pwm_extra_init_params;
extern struct stm32_gpio_init_param cnv_pwm_gpio_extra_init_params;
 
/* ad4630 in interleave mode */
#define BYTES_PER_SAMPLE    6
 
/* time to xfer 1 byte */
#define TX_PWM_PERIOD_NS    (((( 8 * KILO) / (SPI_BAUDRATE / MEGA ))) + 50)
#define TX_PWM_DUTY_NS      1 /* dont care */
#define TX_PWM_REPS     (BYTES_PER_SAMPLE - 1)  /* 6 bytes of data 1 cycle + 5 reps */
 
/* time to transfer 6 bytes + cnv period */
#define CS_PWM_PERIOD_NS    ((TX_PWM_PERIOD_NS * BYTES_PER_SAMPLE) + CS_PWM_DUTY_NS)
#define CS_PWM_DUTY_NS      300  /* cnv time, from datasheet */
 
/* sample rate
 * limited by spi baudrate, might need to limit to chip datasheet for higher spi rate
 */
#define MAX_SAMPLE_RATE_PERIOD_NS       (CS_PWM_PERIOD_NS + TRIGGER_DUTY_NS)
#define TRIGGER_PERIOD_NS               MAX_SAMPLE_RATE_PERIOD_NS
#define TRIGGER_DUTY_NS                 100 /* cnv min high time from datasheet */
 
#define PWM_OPS         &stm32_pwm_ops
#define PWM_EXTRA       &cnv_pwm_extra_init_params
#define PWM_GPIO_EXTRA      &cnv_pwm_gpio_extra_init_params
#define NO_OS_PWM_ID        1
#endif /* __PARAMETERS_H__ */