Difference between revisions of "Serial Flash - W25Qxxx QuadSPI"

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{{#ev:youtube|ElFH5JdtvYg}}
 
{{#ev:youtube|ElFH5JdtvYg}}
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== Source Example ==
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 +
Working:
 +
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<pre>
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QSPI_CommandTypeDef sCommand;
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static uint8_t id[17] = { 0 };
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static uint8_t tx_buf[0x10] = "Ext Flash";
 +
static uint8_t rx_buf[0x10] = { 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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/***** Read ID operation*****/
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sCommand.Instruction = 0x9F; //READ ID command code
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
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sCommand.DataMode = QSPI_DATA_1_LINE; //Data line width
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sCommand.NbData = 17; //Read the data length. ID length is 17 bytes
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 0; //No Dummy phase
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//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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//Execute QSPI reception
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if (HAL_QSPI_Receive(&hqspi, id, 5000) != HAL_OK) {
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Error_Handler();
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}
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/***** Write enable operation (need to make the external memory in the write enable state before block erasing) *****/
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sCommand.Instruction = 0x06; //Write enable command code
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
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sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 0; //No Dummy phase
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//Configure sending command
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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/***** Block erase operation*****/
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sCommand.Instruction = 0xD8; //Sector erase command code
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width. No address phase
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sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
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sCommand.Address = 0; //Any address in the sector to be erased.
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sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 0; //No Dummy phase
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//Configure sending command
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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HAL_Delay(3000); //Delay 3s. The unit is SysTick timer interrupt period
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/***** Write enable operation (need to make the external memory in the write enable state before block erasing) *****/
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sCommand.Instruction = 0x06; //Write enable command code
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
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sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 0; //No Dummy phase
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//Configure sending command
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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/***** Four-wire fast write operation*****/
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sCommand.Instruction = 0x32; //Quick write command code with four lines
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width
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sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
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sCommand.Address = 0; //Write the starting address
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sCommand.DataMode = QSPI_DATA_4_LINES; //Data line width
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sCommand.NbData = 10; //write data length
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 0; //No Dummy phase
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//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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//Execute QSPI reception
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if (HAL_QSPI_Transmit(&hqspi, tx_buf, 5000) != HAL_OK) {
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Error_Handler();
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}
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HAL_Delay(5); //Delay 5ms. The unit is SysTick timer interrupt period
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/***** Four-wire fast read operation*****/
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sCommand.Instruction = 0x6B; //Quick read command code with four lines
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
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sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width
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sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
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sCommand.Address = 0; //Start address
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sCommand.DataMode = QSPI_DATA_4_LINES; //Data line width
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sCommand.NbData = 10; //Read data length
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
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sCommand.DummyCycles = 8; //Dummy phase. N25Q128A13EF840F
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//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
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if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
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Error_Handler();
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}
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//Execute QSPI reception
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if (HAL_QSPI_Receive(&hqspi, rx_buf, 5000) != HAL_OK) {
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Error_Handler();
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}
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</pre>
  
 
== Miscellaneous Links ==  
 
== Miscellaneous Links ==  

Revision as of 11:19, 25 June 2021


STM32L4 training - Hands-on QSPI

Source Example

Working: 

	QSPI_CommandTypeDef sCommand;
	static uint8_t id[17] = { 0 };
	static uint8_t tx_buf[0x10] = "Ext Flash";
	static uint8_t rx_buf[0x10] = { 0 };

	sCommand.DdrMode = QSPI_DDR_MODE_DISABLE;
	sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
	sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;

	/***** Read ID operation*****/
	sCommand.Instruction = 0x9F; //READ ID command code
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
	sCommand.DataMode = QSPI_DATA_1_LINE; //Data line width
	sCommand.NbData = 17; //Read the data length. ID length is 17 bytes
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 0; //No Dummy phase
	//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}
	//Execute QSPI reception
	if (HAL_QSPI_Receive(&hqspi, id, 5000) != HAL_OK) {
		Error_Handler();
	}

	/***** Write enable operation (need to make the external memory in the write enable state before block erasing) *****/
	sCommand.Instruction = 0x06; //Write enable command code
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
	sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 0; //No Dummy phase
	//Configure sending command
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}

	/***** Block erase operation*****/
	sCommand.Instruction = 0xD8; //Sector erase command code
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width. No address phase
	sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
	sCommand.Address = 0; //Any address in the sector to be erased.
	sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 0; //No Dummy phase
	//Configure sending command
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}
	HAL_Delay(3000); //Delay 3s. The unit is SysTick timer interrupt period

	/***** Write enable operation (need to make the external memory in the write enable state before block erasing) *****/
	sCommand.Instruction = 0x06; //Write enable command code
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_NONE; //Address line width. No address phase
	sCommand.DataMode = QSPI_DATA_NONE; //Data line width. No data stage
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 0; //No Dummy phase
	//Configure sending command
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}

	/***** Four-wire fast write operation*****/
	sCommand.Instruction = 0x32; //Quick write command code with four lines
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width
	sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
	sCommand.Address = 0; //Write the starting address
	sCommand.DataMode = QSPI_DATA_4_LINES; //Data line width
	sCommand.NbData = 10; //write data length
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 0; //No Dummy phase
	//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}
	//Execute QSPI reception
	if (HAL_QSPI_Transmit(&hqspi, tx_buf, 5000) != HAL_OK) {
		Error_Handler();
	}
	HAL_Delay(5); //Delay 5ms. The unit is SysTick timer interrupt period

	/***** Four-wire fast read operation*****/
	sCommand.Instruction = 0x6B; //Quick read command code with four lines
	sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; //Command line width
	sCommand.AddressMode = QSPI_ADDRESS_1_LINE; //Address line width
	sCommand.AddressSize = QSPI_ADDRESS_24_BITS; //Address length
	sCommand.Address = 0; //Start address
	sCommand.DataMode = QSPI_DATA_4_LINES; //Data line width
	sCommand.NbData = 10; //Read data length
	sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; //No multiplexing byte stage
	sCommand.DummyCycles = 8; //Dummy phase. N25Q128A13EF840F

	//Configuration command (when there is data stage, the command will be sent in the subsequent sending/receiving API call)
	if (HAL_QSPI_Command(&hqspi, &sCommand, 5000) != HAL_OK) {
		Error_Handler();
	}
	//Execute QSPI reception
	if (HAL_QSPI_Receive(&hqspi, rx_buf, 5000) != HAL_OK) {
		Error_Handler();
	}

Miscellaneous Links

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