STM32767的FMC接口采集AD7606的4个通道数据出现了问题，麻烦各位帮忙纠正，没有C币，定有酬谢

Question

问题：我用STM32CUBE配置的FMC接口，用的NE1，配置好后，但发现NE信号和NOE信号始终为高电平，convst信号接TIM3的PWM模式，频率先给2K，BUSY下降沿进入外部中断通过*(__IO uint16_t *)0x60000000地址读取AD采样值，用ST-LINK在线调试发现每次复位后运行程序四个通道只能读回一组数据，并且数据都相同，只有复位再运行才能再读出一组相同数据，求解。

代码如下：

#include "stm32f7xx_hal.h"

#define AD7606_RESULT() *(__IO uint16_t *)0x60000000

TIM_HandleTypeDef htim3;

SRAM_HandleTypeDef hsram1;
void SystemClock_Config(void);
void Error_Handler(void);
static void MX_GPIO_Init(void);
static void MX_FMC_Init(void);
static void MX_TIM3_Init(void);

void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);

int16_t RawData[4];

int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_FMC_Init();
MX_TIM3_Init();
HAL_TIM_PWM_Start(&htim3,TIM_CHANNEL_1);

while (1)
{

}

}
void SystemClock_Config(void)
{

RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;

__HAL_RCC_PWR_CLK_ENABLE();

__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 432;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}

if (HAL_PWREx_EnableOverDrive() != HAL_OK)
{
Error_Handler();
}

RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7) != HAL_OK)
{
Error_Handler();
}

HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

/* TIM3 init function */
static void MX_TIM3_Init(void)
{
__HAL_RCC_FMC_CLK_ENABLE();
TIM_MasterConfigTypeDef sMasterConfig;
TIM_OC_InitTypeDef sConfigOC;

htim3.Instance = TIM3;
htim3.Init.Prescaler = 999;
htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
htim3.Init.Period = 539;
htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
{
Error_Handler();
}

sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
{
Error_Handler();
}

sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = 269;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}

HAL_TIM_MspPostInit(&htim3);

}
/* FMC initialization function */
static void MX_FMC_Init(void)
{
FMC_NORSRAM_TimingTypeDef Timing;

/** Perform the SRAM1 memory initialization sequence
/
hsram1.Instance = FMC_NORSRAM_DEVICE;
hsram1.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
/ hsram1.Init /
hsram1.Init.NSBank = FMC_NORSRAM_BANK1;
hsram1.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
hsram1.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
hsram1.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
hsram1.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
hsram1.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
hsram1.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
hsram1.Init.WriteOperation = FMC_WRITE_OPERATION_DISABLE;
hsram1.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
hsram1.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
hsram1.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
hsram1.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
hsram1.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
hsram1.Init.WriteFifo = FMC_WRITE_FIFO_ENABLE;
hsram1.Init.PageSize = FMC_PAGE_SIZE_NONE;
/ Timing /
Timing.AddressSetupTime = 50;
Timing.AddressHoldTime = 0;
Timing.DataSetupTime = 60;
Timing.BusTurnAroundDuration = 0;
Timing.CLKDivision = 0;
Timing.DataLatency = 0;
Timing.AccessMode = FMC_ACCESS_MODE_A;
/ ExtTiming */

if (HAL_SRAM_Init(&hsram1, &Timing, NULL) != HAL_OK)
{
Error_Handler();
}
}

/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
static void MX_GPIO_Init(void)
{

GPIO_InitTypeDef GPIO_InitStruct;

/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOK_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();

/*Configure GPIO pin : PG12 */
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

/*Configure GPIO pin : PG9 */
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_7;

GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
HAL_GPIO_WritePin(GPIOG, GPIO_PIN_7, GPIO_PIN_SET);

/*Configure GPIO pins : PK2 PK0 */
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOK, &GPIO_InitStruct);

 /*Configure GPIO pins : PK2 PK0 */
 /*

GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);*/

//HAL_GPIO_WritePin(GPIOD, GPIO_PIN_7, GPIO_PIN_SET);

/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOG, GPIO_PIN_9, GPIO_PIN_RESET);

/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOK, GPIO_PIN_2|GPIO_PIN_0, GPIO_PIN_RESET);

/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI15_10_IRQn, 2, 2);
HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);

}

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{

RawData[0]=AD7606_RESULT();
RawData[1]=AD7606_RESULT();
RawData[2]=AD7606_RESULT();
RawData[3]=AD7606_RESULT();

void Error_Handler(void)
{
while(1)
{
}
}

#ifdef USE_FULL_ASSERT

void assert_failed(uint8_t* file, uint32_t line)
{

}

#endif

Answer 1

https://download.csdn.net/download/thehappysheep/9812366