Initial commit
This commit is contained in:
365
FW/Core/my_src/w25qxx_qspi.c
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365
FW/Core/my_src/w25qxx_qspi.c
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#include "quadspi.h"
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#include "w25qxx_qspi.h"
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/**
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* @brief This function send a Write Enable and wait it is effective.
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* @param hqspi: QSPI handle
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* @retval None
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*/
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static void QSPI_WriteEnable(void)
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{
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QSPI_CommandTypeDef sCommand;
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QSPI_AutoPollingTypeDef sConfig;
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/* Enable write operations ------------------------------------------ */
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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sCommand.Instruction = WRITE_ENABLE_CMD;
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sCommand.AddressMode = QSPI_ADDRESS_NONE;
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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sCommand.DataMode = QSPI_DATA_NONE;
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sCommand.DummyCycles = 0;
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sCommand.DdrMode = QSPI_DDR_MODE_DISABLE;
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sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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if (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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Error_Handler();
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}
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/* Configure automatic polling mode to wait for write enabling ---- */
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sConfig.Match = 0x02;
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sConfig.Mask = 0x02;
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sConfig.MatchMode = QSPI_MATCH_MODE_AND;
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sConfig.StatusBytesSize = 1;
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sConfig.Interval = 0x10;
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sConfig.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
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sCommand.Instruction = READ_STATUS_REG1_CMD;
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sCommand.DataMode = QSPI_DATA_1_LINE;
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if (HAL_QSPI_AutoPolling(&hqspi, &sCommand, &sConfig, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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Error_Handler();
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}
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}
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static void QSPI_WriteDisable(void)
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{
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QSPI_CommandTypeDef sCommand;
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QSPI_AutoPollingTypeDef sConfig;
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/* Enable write operations ------------------------------------------ */
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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sCommand.Instruction = WRITE_DISABLE_CMD;
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sCommand.AddressMode = QSPI_ADDRESS_NONE;
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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sCommand.DataMode = QSPI_DATA_NONE;
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sCommand.DummyCycles = 0;
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sCommand.DdrMode = QSPI_DDR_MODE_DISABLE;
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sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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if (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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Error_Handler();
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}
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/* Configure automatic polling mode to wait for write enabling ---- */
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sConfig.Match = 0x00;
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sConfig.Mask = 0x02;
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sConfig.MatchMode = QSPI_MATCH_MODE_AND;
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sConfig.StatusBytesSize = 1;
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sConfig.Interval = 0x10;
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sConfig.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
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sCommand.Instruction = READ_STATUS_REG1_CMD;
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sCommand.DataMode = QSPI_DATA_1_LINE;
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if (HAL_QSPI_AutoPolling(&hqspi, &sCommand, &sConfig, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void QSPI_AutoPollingMemReady(void)//SR1 ready
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{
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QSPI_CommandTypeDef sCommand;
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QSPI_AutoPollingTypeDef sConfig;
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/* Configure automatic polling mode to wait for memory ready ------ */
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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sCommand.Instruction = READ_STATUS_REG1_CMD;
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sCommand.AddressMode = QSPI_ADDRESS_NONE;
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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sCommand.DataMode = QSPI_DATA_1_LINE;
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sCommand.DummyCycles = 0;
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sCommand.DdrMode = QSPI_DDR_MODE_DISABLE;
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sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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sConfig.Match = 0x00;
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sConfig.Mask = 0x01;
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sConfig.MatchMode = QSPI_MATCH_MODE_AND;
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sConfig.StatusBytesSize = 1;
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sConfig.Interval = 0x10;
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sConfig.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
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if (HAL_QSPI_AutoPolling_IT(&hqspi, &sCommand, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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}
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static unsigned char QSPI_Read_SR(unsigned char sr)
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{
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unsigned char cmd;
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unsigned char byte = 0xF1;
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if(2 == sr)cmd = READ_STATUS_REG2_CMD;
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else if(3 == sr)cmd = READ_STATUS_REG3_CMD;
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else cmd = READ_STATUS_REG1_CMD;
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QSPI_Send_CMD(cmd,0,0,QSPI_INSTRUCTION_1_LINE,QSPI_ADDRESS_NONE,QSPI_ADDRESS_8_BITS,QSPI_DATA_NONE);
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QSPI_Transmit(&byte,1);
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return byte;
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}
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static void QSPI_Write_SR(unsigned char sr, unsigned char val)
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{
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unsigned char cmd;
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if(2 == sr)cmd = WRITE_STATUS_REG2_CMD;
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else if(3 == sr)cmd = WRITE_STATUS_REG3_CMD;
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else cmd = WRITE_STATUS_REG1_CMD;
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QSPI_Send_CMD(cmd,0,0,QSPI_INSTRUCTION_1_LINE,QSPI_ADDRESS_NONE,QSPI_ADDRESS_8_BITS,QSPI_DATA_NONE);
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QSPI_Transmit(&val,1);
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}
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void w25qxx_write_enable(void)
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{
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QSPI_WriteEnable();
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}
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void w25qxx_write_disable(void)
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{
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QSPI_WriteDisable();
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}
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void w25qxx_reset(void)
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{
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QSPI_Send_CMD(RESET_ENABLE_CMD,0,0,QSPI_INSTRUCTION_1_LINE,QSPI_ADDRESS_NONE,QSPI_ADDRESS_8_BITS,QSPI_DATA_NONE);
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QSPI_Send_CMD(RESET_MEMORY_CMD,0,0,QSPI_INSTRUCTION_1_LINE,QSPI_ADDRESS_NONE,QSPI_ADDRESS_8_BITS,QSPI_DATA_NONE);
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}
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void w25qxx_wait_ready(void)
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{
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QSPI_AutoPollingMemReady();
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}
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void w25qxx_qspi_enable(void)
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{
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unsigned char reg;
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reg = QSPI_Read_SR(2);
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if(!(reg & 0x02)){
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QSPI_Write_SR(2, (reg | 0x02));
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}
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}
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void w25qxx_qspi_disable(void)
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{
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unsigned char reg;
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reg = QSPI_Read_SR(2);
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if(reg & 0x02){
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QSPI_Write_SR(2, (reg & (~0x02)));
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}
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}
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void w25qxx_qspi_setup(void)
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{
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unsigned char temp;
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w25qxx_write_enable();
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w25qxx_reset();
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HAL_Delay(5);
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w25qxx_write_enable();
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w25qxx_wait_ready();
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while(!(QSPI_Read_SR(2) & 0x02))
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{
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w25qxx_qspi_enable();
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HAL_Delay(5);
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}
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}
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unsigned short w25qxx_qspi_read_id(void)
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{
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unsigned char temp[2];
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unsigned short deviceid;
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QSPI_Send_CMD(READ_ID_CMD,0,0,QSPI_INSTRUCTION_1_LINE,QSPI_ADDRESS_1_LINE,QSPI_ADDRESS_24_BITS,QSPI_DATA_1_LINE);//QPI,读id,地址为0,4线传输数据_24位地址_4线传输地址_4线传输指令,无空周期,2个字节数据
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QSPI_Receive(temp,2);
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deviceid=(temp[0]<<8)|temp[1];
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return deviceid;
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}
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/*
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//返回值如下:
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//0XEF13,表示芯片型号为W25Q80
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//0XEF14,表示芯片型号为W25Q16
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//0XEF15,表示芯片型号为W25Q32
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//0XEF16,表示芯片型号为W25Q64
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//0XEF17,表示芯片型号为W25Q128
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//0XEF18,表示芯片型号为W25Q256
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unsigned short W25QXX_ReadID(void)
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{
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unsigned char temp[2];
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unsigned short deviceid;
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QSPI_Send_CMD(W25X_ManufactDeviceID,0,0,QSPI_INSTRUCTION_4_LINES,QSPI_ADDRESS_4_LINES,QSPI_ADDRESS_24_BITS,QSPI_DATA_4_LINES);//QPI,读id,地址为0,4线传输数据_24位地址_4线传输地址_4线传输指令,无空周期,2个字节数据
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QSPI_Receive(temp,2);
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deviceid=(temp[0]<<8)|temp[1];
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return deviceid;
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}
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//读取SPI FLASH,仅支持QPI模式
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//在指定地址开始读取指定长度的数据
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//pBuffer:数据存储区
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//ReadAddr:开始读取的地址(最大32bit)
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//NumByteToRead:要读取的字节数(最大65535)
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void W25QXX_Read(unsigned char* pBuffer,unsigned int ReadAddr,unsigned short NumByteToRead)
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{
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QSPI_Send_CMD(W25X_FastReadData,ReadAddr,8,QSPI_INSTRUCTION_4_LINES,QSPI_ADDRESS_4_LINES,QSPI_ADDRESS_32_BITS,QSPI_DATA_4_LINES); //QPI,快速读数据,地址为ReadAddr,4线传输数据_32位地址_4线传输地址_4线传输指令,8空周期,NumByteToRead个数据
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QSPI_Receive(pBuffer,NumByteToRead);
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}
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//SPI在一页(0~65535)内写入少于256个字节的数据
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//在指定地址开始写入最大256字节的数据
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//pBuffer:数据存储区
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//WriteAddr:开始写入的地址(最大32bit)
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//NumByteToWrite:要写入的字节数(最大256),该数不应该超过该页的剩余字节数!!!
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void W25QXX_Write_Page(unsigned char* pBuffer,unsigned int WriteAddr,unsigned short NumByteToWrite)
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{
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W25QXX_Write_Enable(); //写使能
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QSPI_Send_CMD(W25X_PageProgram,WriteAddr,0,QSPI_INSTRUCTION_4_LINES,QSPI_ADDRESS_4_LINES,QSPI_ADDRESS_32_BITS,QSPI_DATA_4_LINES); //QPI,页写指令,地址为WriteAddr,4线传输数据_32位地址_4线传输地址_4线传输指令,无空周期,NumByteToWrite个数据
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QSPI_Transmit(pBuffer,NumByteToWrite);
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W25QXX_Wait_Busy(); //等待写入结束
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}
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//无检验写SPI FLASH
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//必须确保所写的地址范围内的数据全部为0XFF,否则在非0XFF处写入的数据将失败!
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//具有自动换页功能
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//在指定地址开始写入指定长度的数据,但是要确保地址不越界!
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//pBuffer:数据存储区
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//WriteAddr:开始写入的地址(最大32bit)
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//NumByteToWrite:要写入的字节数(最大65535)
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//CHECK OK
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void W25QXX_Write_NoCheck(unsigned char* pBuffer,unsigned int WriteAddr,unsigned short NumByteToWrite)
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{
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unsigned short pageremain;
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pageremain=256-WriteAddr%256; //单页剩余的字节数
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if(NumByteToWrite<=pageremain)pageremain=NumByteToWrite;//不大于256个字节
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while(1)
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{
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W25QXX_Write_Page(pBuffer,WriteAddr,pageremain);
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if(NumByteToWrite==pageremain)break;//写入结束了
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else //NumByteToWrite>pageremain
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{
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pBuffer+=pageremain;
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WriteAddr+=pageremain;
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NumByteToWrite-=pageremain; //减去已经写入了的字节数
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if(NumByteToWrite>256)pageremain=256; //一次可以写入256个字节
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else pageremain=NumByteToWrite; //不够256个字节了
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}
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}
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}
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//写SPI FLASH
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//在指定地址开始写入指定长度的数据
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//该函数带擦除操作!
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//pBuffer:数据存储区
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//WriteAddr:开始写入的地址(最大32bit)
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//NumByteToWrite:要写入的字节数(最大65535)
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unsigned char W25QXX_BUFFER[4096];
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void W25QXX_Write(unsigned char* pBuffer,unsigned int WriteAddr,unsigned short NumByteToWrite)
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{
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unsigned int secpos;
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unsigned short secoff;
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unsigned short secremain;
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unsigned short i;
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unsigned char * W25QXX_BUF;
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W25QXX_BUF=W25QXX_BUFFER;
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secpos=WriteAddr/4096;//扇区地址
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secoff=WriteAddr%4096;//在扇区内的偏移
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secremain=4096-secoff;//扇区剩余空间大小
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//printf("ad:%X,nb:%X\r\n",WriteAddr,NumByteToWrite);//测试用
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if(NumByteToWrite<=secremain)secremain=NumByteToWrite;//不大于4096个字节
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while(1)
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{
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W25QXX_Read(W25QXX_BUF,secpos*4096,4096);//读出整个扇区的内容
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for(i=0;i<secremain;i++)//校验数据
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{
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if(W25QXX_BUF[secoff+i]!=0XFF)break;//需要擦除
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}
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if(i<secremain)//需要擦除
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{
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W25QXX_Erase_Sector(secpos);//擦除这个扇区
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for(i=0;i<secremain;i++) //复制
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{
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W25QXX_BUF[i+secoff]=pBuffer[i];
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}
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W25QXX_Write_NoCheck(W25QXX_BUF,secpos*4096,4096);//写入整个扇区
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}else W25QXX_Write_NoCheck(pBuffer,WriteAddr,secremain);//写已经擦除了的,直接写入扇区剩余区间.
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if(NumByteToWrite==secremain)break;//写入结束了
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else//写入未结束
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{
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secpos++;//扇区地址增1
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secoff=0;//偏移位置为0
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pBuffer+=secremain; //指针偏移
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WriteAddr+=secremain;//写地址偏移
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NumByteToWrite-=secremain; //字节数递减
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if(NumByteToWrite>4096)secremain=4096; //下一个扇区还是写不完
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else secremain=NumByteToWrite; //下一个扇区可以写完了
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}
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};
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}
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//擦除整个芯片
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//等待时间超长...
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void W25QXX_Erase_Chip(void)
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{
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W25QXX_Write_Enable(); //SET WEL
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W25QXX_Wait_Busy();
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QSPI_Send_CMD(W25X_ChipErase,0,0,QSPI_INSTRUCTION_4_LINES,QSPI_ADDRESS_NONE,QSPI_ADDRESS_8_BITS,QSPI_DATA_NONE);//QPI,写全片擦除指令,地址为0,无数据_8位地址_无地址_4线传输指令,无空周期,0个字节数据
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W25QXX_Wait_Busy(); //等待芯片擦除结束
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}
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//擦除一个扇区
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//Dst_Addr:扇区地址 根据实际容量设置
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//擦除一个扇区的最少时间:150ms
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void W25QXX_Erase_Sector(unsigned int Dst_Addr)
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{
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//printf("fe:%x\r\n",Dst_Addr); //监视falsh擦除情况,测试用
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Dst_Addr*=4096;
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W25QXX_Write_Enable(); //SET WEL
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W25QXX_Wait_Busy();
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QSPI_Send_CMD(W25X_SectorErase,Dst_Addr,0,QSPI_INSTRUCTION_4_LINES,QSPI_ADDRESS_4_LINES,QSPI_ADDRESS_32_BITS,QSPI_DATA_NONE);//QPI,写扇区擦除指令,地址为0,无数据_32位地址_4线传输地址_4线传输指令,无空周期,0个字节数据
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W25QXX_Wait_Busy(); //等待擦除完成
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}
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//等待空闲
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void W25QXX_Wait_Busy(void)
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{
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while((W25QXX_ReadSR(1)&0x01)==0x01); // 等待BUSY位清空
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}
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*/
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