#include "SST25VF016B.h"
#include "spi.h"
//¶Áȡ״̬¼Ä´æÆ÷
uint8_t SST25VF016B_RDSR(void)
{
uint8_t Read_RDSR[1];
uint8_t cmd[1];
cmd[0]=0x05;
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,1,1000);
HAL_SPI_Receive(&hspi1,&Read_RDSR[0],1,1000);
SPI_CS_H;
return Read_RDSR[0];
}
//æ¼ì²â
void SST25VF016B_BUSY(void)
{
uint8_t state=1;
do
{
state=SST25VF016B_RDSR();
}
while((state&0x01)==0x01); //״̬¼Ä´æÆ÷×îµÍλΪæ¼ì²âλ
}
//дʹÄÜ
void SST25VF016B_WREN(void)
{
uint8_t cmd[1];
cmd[0]=0x06;
SST25VF016B_BUSY();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,1,1000);
SPI_CS_H;
}
//д½ûÖ¹
void SST25VF016B_WRDI(void)
{
uint8_t cmd[1];
cmd[0]=0x04;
SST25VF016B_BUSY();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,1,1000);
SPI_CS_H;
}
//ʹÄÜд״̬¼Ä´æÆ÷£¨EWSR£©;д״̬¼Ä´æÆ÷£¨WRSR£©
void SST25VF016B_EWSR_WRSR(void)
{
uint8_t cmd[2];
cmd[0]=0x50;
cmd[1]=0x01;
SST25VF016B_BUSY();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,&cmd[0],1,1000);
SPI_CS_H;
HAL_Delay(2);
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,&cmd[1],1,1000);
HAL_SPI_Transmit(&hspi1,0,1,1000); //״̬¼Ä´æÆ÷ÇåÁã
SPI_CS_H;
SST25VF016B_BUSY();
}
//¶ÁÈ¡ID
void SST25VF016B_READ_ID(uint8_t *ID)
{
uint8_t cmd[4]={0x90,0x00,0x00,0x00};
// uint8_t data[2]={0x00,0x00};
//¼ì²âæ״̬
SST25VF016B_BUSY();
SST25VF016B_EWSR_WRSR();
SST25VF016B_WREN();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,4,1000);//·¢ËͶÁÈ¡IDÃüÁî¡£ÁíÍâ·¢ËÍ3¸ö×Ö½ÚµØַλ
// HAL_SPI_TransmitReceive(&hspi1,data,ID,2,1000);
HAL_SPI_Receive(&hspi1,ID,2,1000); //¶ÁÈ¡ID
SPI_CS_H;
SST25VF016B_BUSY();
}
//4K²Á³ý
void SST25VF016B_4K_Sector(uint32_t addr)
{
uint8_t cmd[4];
cmd[0]=0x20;
cmd[1]=(addr&0xFFFFFF)>>16;
cmd[2]=(addr&0xFFFF)>>8;
cmd[3]=addr&0xFF;
SST25VF016B_BUSY();
SST25VF016B_EWSR_WRSR();
SST25VF016B_WREN();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,4,1000);
SPI_CS_H;
SST25VF016B_BUSY();
}
//ȫƬ²Á³ý
void SST25VF016B_All_Sector(void)
{
uint8_t cmd[1];
cmd[0]=0xc7;
SST25VF016B_BUSY();
SST25VF016B_EWSR_WRSR();
SST25VF016B_WREN();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,1,1000);
SPI_CS_H;
HAL_Delay(25);
SST25VF016B_BUSY();
}
//дÉÈÇø
//ʹÓÃÈí¼þд²Ù×÷½áÊø¼ì²éʱµÄ×Ô¶¯µÝÔö(AAI)×Ö±à³ÌÐòÁÐ
void SST25VF016B_Write_Sector(uint32_t addr,uint8_t *buffer,uint16_t length)
{
SPI_CS_L;
uint8_t cmd[4];
uint16_t i=2;
uint8_t x;
cmd[0]=0xAD;
cmd[1]=(addr&0xFFFFFF)>>16;
cmd[2]=(addr&0xFFFF)>>8;
cmd[3]=addr&0xFF;
SST25VF016B_BUSY();
SST25VF016B_4K_Sector(addr);
SST25VF016B_EWSR_WRSR();
SST25VF016B_WREN();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,4,1000);
HAL_SPI_Transmit(&hspi1,buffer,2,1000); //дÁ½Î»Êý¾Ý
SPI_CS_H;
for(i=2;i<length;i++)
{
SST25VF016B_BUSY();
SST25VF016B_EWSR_WRSR();
SST25VF016B_WREN();
HAL_Delay(1);
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,&cmd[0],1,1000);
HAL_SPI_Transmit(&hspi1,&buffer[i++],1,1000);
HAL_SPI_Transmit(&hspi1,&buffer,1,1000);
SPI_CS_H;
}
HAL_Delay(1);
x=SST25VF016B_RDSR();
printf(" ´«ËÍÍêÊý¾ÝÒÔºó״̬¼Ä´æÆ÷״̬Æ÷µÄֵΪ:0x%02x \r\n",x);
SST25VF016B_WRDI(); //д½ûÖ¹
SST25VF016B_BUSY();
}
//¶ÁÉÈÇø
void SST25VF016B_Read_Sector(uint32_t addr,uint8_t *buffer,uint16_t length)
{
uint8_t cmd[5];
uint16_t i;
cmd[0]=0x0B; //¸ßËÙ¶ÁÖ¸Áî
cmd[1]=(addr&0xFFFFFF)>>16;
cmd[2]=(addr&0xFFFF)>>8;
cmd[3]=addr&0xFF;
cmd[4]=0; //·¢ËÍÒ»¸ö¿Õ×Ö½Ú
SST25VF016B_BUSY();
SST25VF016B_WREN();
SPI_CS_L;
HAL_SPI_Transmit(&hspi1,cmd,5,1000);
// HAL_SPI_Receive(&hspi1,buffer,length,1000);
for(i=0;i<length;i++)
{
HAL_SPI_Receive(&hspi1,&buffer,1,1000);
}
SPI_CS_H;
}
/**
******************************************************************************
* File Name : main.c
* Description : Main program body
******************************************************************************
*
* COPYRIGHT(c) 2016 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f2xx_hal.h"
#include "i2c.h"
#include "spi.h"
#include "usart.h"
#include "gpio.h"
/* USER CODE BEGIN Includes */
#include "stdio.h"
#include "string.h"
#include "SST25VF016B.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void Error_Handler(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
//SPI¹¦ÄܵIJÎÊý
uint8_t ID_Data[2];
#define Sector_Size 100
uint8_t Tx_Buffer[]="123456789";
uint8_t Rx_Buffer[Sector_Size];
uint16_t Tx_size;
/* USER CODE END 0 */
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_I2C1_Init();
MX_SPI1_Init();
MX_USART1_UART_Init();
MX_USART3_UART_Init();
/* USER CODE BEGIN 2 */
#if 1
printf("\r\n /***SPI Falsh ID Test***/ \r\n");
i=SST25VF016B_RDSR();
printf(" ״̬¼Ä´æÆ÷״̬: 0x%02x \r\n",i);
i=HAL_SPI_GetState(&hspi1);
printf(" SPI state is: %d \r\n",i);
SST25VF016B_READ_ID(ID_Data);
printf(" READ_ID is : 0x%02X 0x%02X \r\n\r\n",ID_Data[0],ID_Data[1]);
printf(" /***SPI R/W Data TEST***/ \r\n");
i=SST25VF016B_RDSR();
printf(" ״̬¼Ä´æÆ÷״̬: 0x%02x \r\n",i);
Tx_size=(uint16_t)(sizeof(Tx_Buffer)/sizeof(Tx_Buffer[0]));
printf(" ´ýдÈëµÄÊý¾Ý1: %s\r\n",Tx_Buffer);
printf(" ´ýдÈëµÄÊý¾ÝµÄ³¤¶È: %d\r\n",Tx_size);
for(i=0;i<Tx_size;i++)
{
Rx_Buffer=Tx_Buffer;
}
printf(" ´«µÝµÄÊý¾Ý: %s \r\n",Rx_Buffer);
//ÏòÉÈÇøдÈëÊý¾Ý
SST25VF016B_Write_Sector(0,Tx_Buffer,Sector_Size);
//¶Áȡ״̬¼Ä´æÆ÷µÄ״ֵ̬
i=SST25VF016B_RDSR();
printf(" дÍêÊý¾ÝÒÔºó½ûֹд,״̬¼Ä´æÆ÷״̬Æ÷µÄֵΪ:0x%02x \r\n",i);
//ÇåÁã½ÓÊÕBuffer
memset(Rx_Buffer,0,Sector_Size);
printf(" ½ÓÊÕBufferÇåÁãºóRx_BufferµÄÖµ:%s\r\n",Rx_Buffer);
HAL_Delay(100);
//´ÓÉÈÇø¶ÁÈ¡Êý¾Ý
SST25VF016B_Read_Sector(0,Rx_Buffer,Sector_Size);
printf(" ½ÓÊÕµ½µÄÊý¾Ý: %s \r\n",Rx_Buffer);
// memset(Rx_Buffer,0,Sector_Size);
// printf(" ½ÓÊÕBufferÇåÁãºóRx_BufferµÄÖµ: %s\r\n",Rx_Buffer);
//// SST25VF016B_4K_Sector(0); //²Á³ý4K¿Õ¼äÊý¾Ý
//// SST25VF016B_All_Sector(); //²Á³ýÈ«²¿¿Õ¼äÊý¾Ý
// SST25VF016B_Read_Sector(0,Rx_Buffer,Sector_Size);
// printf(" ²Á³ýÍê³Éºó£¬½ÓÊÕµ½µÄÊý¾Ý: %s \r\n",Rx_Buffer);
#endif
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
// printf("\r\nchenyu");
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_10,GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_11,GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOE,GPIO_PIN_1,GPIO_PIN_RESET);
HAL_Delay(500);
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_10,GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_11,GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOE,GPIO_PIN_1,GPIO_PIN_SET);
HAL_Delay(500);
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
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 = 8;
RCC_OscInitStruct.PLL.PLLN = 240;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != 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_3) != 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);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler */
}
#endif |
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