191 lines
6.5 KiB
C
191 lines
6.5 KiB
C
/**
|
|
* @file NUCLEOF411Port.c
|
|
* @brief ST NUCLEOF411 board port file.
|
|
* @version V0.2.0
|
|
* @author ADI
|
|
* @date March 2019
|
|
* @par Revision History:
|
|
*
|
|
* Copyright (c) 2017-2019 Analog Devices, Inc. All Rights Reserved.
|
|
*
|
|
* This software is proprietary to Analog Devices, Inc. and its licensors.
|
|
* By using this software you agree to the terms of the associated
|
|
* Analog Devices Software License Agreement.
|
|
**/
|
|
#include "ad5940.h"
|
|
#include "stdio.h"
|
|
#include "stm32f4xx_hal.h"
|
|
|
|
/* Definition for STM32 SPI clock resources */
|
|
#define AD5940SPI SPI1
|
|
#define AD5940_CLK_ENABLE() __HAL_RCC_SPI1_CLK_ENABLE()
|
|
#define AD5940_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
|
#define AD5940_MISO_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
|
#define AD5940_MOSI_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
|
#define AD5940_CS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
|
|
#define AD5940_RST_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
|
|
#define AD5940_GP0INT_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
|
|
|
#define AD5940SPI_FORCE_RESET() __HAL_RCC_SPI1_FORCE_RESET()
|
|
#define AD5940SPI_RELEASE_RESET() __HAL_RCC_SPI1_RELEASE_RESET()
|
|
|
|
/* Definition for AD5940 Pins */
|
|
#define AD5940_SCK_PIN GPIO_PIN_5
|
|
#define AD5940_SCK_GPIO_PORT GPIOA
|
|
#define AD5940_SCK_AF GPIO_AF5_SPI1
|
|
#define AD5940_MISO_PIN GPIO_PIN_6
|
|
#define AD5940_MISO_GPIO_PORT GPIOA
|
|
#define AD5940_MISO_AF GPIO_AF5_SPI1
|
|
#define AD5940_MOSI_PIN GPIO_PIN_7
|
|
#define AD5940_MOSI_GPIO_PORT GPIOA
|
|
#define AD5940_MOSI_AF GPIO_AF5_SPI1
|
|
|
|
#define AD5940_CS_PIN GPIO_PIN_6
|
|
#define AD5940_CS_GPIO_PORT GPIOB
|
|
|
|
#define AD5940_RST_PIN GPIO_PIN_0 //A3
|
|
#define AD5940_RST_GPIO_PORT GPIOB
|
|
|
|
#define AD5940_GP0INT_PIN GPIO_PIN_10 //A3
|
|
#define AD5940_GP0INT_GPIO_PORT GPIOA
|
|
#define AD5940_GP0INT_IRQn EXTI15_10_IRQn
|
|
|
|
SPI_HandleTypeDef SpiHandle;
|
|
|
|
#define SYSTICK_MAXCOUNT ((1L<<24)-1) /* we use Systick to complete function Delay10uS(). This value only applies to NUCLEOF411 board. */
|
|
#define SYSTICK_CLKFREQ 100000000L /* Systick clock frequency in Hz. This only appies to NUCLEOF411 board */
|
|
volatile static uint8_t ucInterrupted = 0; /* Flag to indicate interrupt occurred */
|
|
|
|
/**
|
|
@brief Using SPI to transmit N bytes and return the received bytes. This function targets to
|
|
provide a more efficent way to transmit/receive data.
|
|
@param pSendBuffer :{0 - 0xFFFFFFFF}
|
|
- Pointer to the data to be sent.
|
|
@param pRecvBuff :{0 - 0xFFFFFFFF}
|
|
- Pointer to the buffer used to store received data.
|
|
@param length :{0 - 0xFFFFFFFF}
|
|
- Data length in SendBuffer.
|
|
@return None.
|
|
**/
|
|
void AD5940_ReadWriteNBytes(unsigned char *pSendBuffer,unsigned char *pRecvBuff,unsigned long length)
|
|
{
|
|
HAL_SPI_TransmitReceive(&SpiHandle, pSendBuffer, pRecvBuff, length, (uint32_t)-1);
|
|
}
|
|
|
|
void AD5940_CsClr(void)
|
|
{
|
|
HAL_GPIO_WritePin(AD5940_CS_GPIO_PORT, AD5940_CS_PIN, GPIO_PIN_RESET);
|
|
}
|
|
|
|
void AD5940_CsSet(void)
|
|
{
|
|
HAL_GPIO_WritePin(AD5940_CS_GPIO_PORT, AD5940_CS_PIN, GPIO_PIN_SET);
|
|
}
|
|
|
|
void AD5940_RstSet(void)
|
|
{
|
|
HAL_GPIO_WritePin(AD5940_RST_GPIO_PORT, AD5940_RST_PIN, GPIO_PIN_SET);
|
|
}
|
|
|
|
void AD5940_RstClr(void)
|
|
{
|
|
HAL_GPIO_WritePin(AD5940_RST_GPIO_PORT, AD5940_RST_PIN, GPIO_PIN_RESET);
|
|
}
|
|
|
|
void AD5940_Delay10us(uint32_t time)
|
|
{
|
|
time/=100;
|
|
if(time == 0) time =1;
|
|
HAL_Delay(time);
|
|
}
|
|
|
|
uint32_t AD5940_GetMCUIntFlag(void)
|
|
{
|
|
return ucInterrupted;
|
|
}
|
|
|
|
uint32_t AD5940_ClrMCUIntFlag(void)
|
|
{
|
|
ucInterrupted = 0;
|
|
return 1;
|
|
}
|
|
|
|
uint32_t AD5940_MCUResourceInit(void *pCfg)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
|
|
/* Step1, initialize SPI peripheral and its GPIOs for CS/RST */
|
|
AD5940_SCK_GPIO_CLK_ENABLE();
|
|
AD5940_MISO_GPIO_CLK_ENABLE();
|
|
AD5940_MOSI_GPIO_CLK_ENABLE();
|
|
AD5940_CS_GPIO_CLK_ENABLE();
|
|
AD5940_RST_GPIO_CLK_ENABLE();
|
|
/* Enable SPI clock */
|
|
AD5940_CLK_ENABLE();
|
|
|
|
GPIO_InitStruct.Pin = AD5940_SCK_PIN;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = AD5940_SCK_AF;
|
|
HAL_GPIO_Init(AD5940_SCK_GPIO_PORT, &GPIO_InitStruct);
|
|
|
|
/* SPI MISO GPIO pin configuration */
|
|
GPIO_InitStruct.Pin = AD5940_MISO_PIN;
|
|
GPIO_InitStruct.Alternate = AD5940_MISO_AF;
|
|
HAL_GPIO_Init(AD5940_MISO_GPIO_PORT, &GPIO_InitStruct);
|
|
|
|
/* SPI MOSI GPIO pin configuration */
|
|
GPIO_InitStruct.Pin = AD5940_MOSI_PIN;
|
|
GPIO_InitStruct.Alternate = AD5940_MOSI_AF;
|
|
HAL_GPIO_Init(AD5940_MOSI_GPIO_PORT, &GPIO_InitStruct);
|
|
/* SPI CS GPIO pin configuration */
|
|
GPIO_InitStruct.Pin = AD5940_CS_PIN;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
HAL_GPIO_Init(AD5940_CS_GPIO_PORT, &GPIO_InitStruct);
|
|
|
|
/* SPI RST GPIO pin configuration */
|
|
GPIO_InitStruct.Pin = AD5940_RST_PIN;
|
|
HAL_GPIO_Init(AD5940_RST_GPIO_PORT, &GPIO_InitStruct);
|
|
|
|
AD5940_CsSet();
|
|
AD5940_RstSet();
|
|
|
|
/* Set the SPI parameters */
|
|
SpiHandle.Instance = AD5940SPI;
|
|
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; //SPI clock should be < AD5940_SystemClock
|
|
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
|
|
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
|
|
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
|
|
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
|
|
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|
SpiHandle.Init.CRCPolynomial = 7;
|
|
SpiHandle.Init.NSS = SPI_NSS_SOFT;
|
|
SpiHandle.Init.Mode = SPI_MODE_MASTER;
|
|
HAL_SPI_Init(&SpiHandle);
|
|
|
|
/* Step 2: Configure external interrupot line */
|
|
AD5940_GP0INT_GPIO_CLK_ENABLE();
|
|
GPIO_InitStruct.Pin = AD5940_GP0INT_PIN;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = 0;
|
|
HAL_GPIO_Init(AD5940_GP0INT_GPIO_PORT, &GPIO_InitStruct);
|
|
|
|
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
|
|
HAL_NVIC_EnableIRQ(AD5940_GP0INT_IRQn);
|
|
// HAL_NVIC_SetPriority(AD5940_GP0INT_IRQn, 0, 0);
|
|
return 0;
|
|
}
|
|
|
|
/* MCU related external line interrupt service routine */
|
|
void EXTI15_10_IRQHandler()
|
|
{
|
|
ucInterrupted = 1;
|
|
__HAL_GPIO_EXTI_CLEAR_IT(AD5940_GP0INT_PIN);
|
|
}
|
|
|