[问答]

为什么无法写入外部闪存w25q128jv？

195 闪存

问答对人有帮助，内容完整，我也想知道答案 0 我正在尝试在我的项目中初始化我的 W25Q128jv 外部闪存，但我无法在上面写入，我认为这可能是因为内存映射模式，但我真的不知道。对于这个项目，当我添加 TouchGFX 以保存一些项目时，我将需要我的 QUADSPI，但现在我只是尝试执行一个 for 循环来验证它是否有效及其性能。如果我禁用 MemoryMappingMode 写入，它将进入 HardFault。 uint32_t flashbuffer = (uint32_t)0x90000000; const uint32_t size = 1000; int begin = HAL_Gettick(); for(i = 0; i < size; i++) { flashbuffer=i; } int end = HAL_GetTick(); 这是 MX_QUADSPI_Init static void MX_QUADSPI_Init(void) { /* USER CODE BEGIN QUADSPI_Init 0 / / USER CODE END QUADSPI_Init 0 / / USER CODE BEGIN QUADSPI_Init 1 / / USER CODE END QUADSPI_Init 1 / / QUADSPI parameter configuration/ hqspi.Instance = QUADSPI; hqspi.Init.ClockPrescaler = 1; hqspi.Init.FifoThreshold = 4; hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE; hqspi.Init.FlashSize = 23; hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_6_CYCLE; hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0; hqspi.Init.FlashID = QSPI_FLASH_ID_1; hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE; if (HAL_QSPI_Init(&hqspi) != HAL_OK) { Error_Handler(); } / USER CODE BEGIN QUADSPI_Init 2 / BSP_QSPI_Init(); / USER CODE END QUADSPI_Init 2 / } 这是我的初始化 uint8_t BSP_QSPI_Init(void) { QSPI_CommandTypeDef s_command; uint8_t value = W25Q128JV_FSR_QE; / QSPI memory reset / if (QSPI_ResetMemory() != QSPI_OK) { return QSPI_NOT_SUPPORTED; } / Enable write operations / if (QSPI_WriteEnable() != QSPI_OK) { return QSPI_ERROR; } / Set status register for Quad Enable,the Quad IO2 and IO3 pins are enable / s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE; s_command.Instruction = WRITE_STATUS_REG2_CMD; s_command.AddressMode = QSPI_ADDRESS_NONE; s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; s_command.DataMode = QSPI_DATA_1_LINE; s_command.DummyCycles = 0; s_command.NbData = 1; s_command.DdrMode = QSPI_DDR_MODE_DISABLE; s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; / Configure the command / if (HAL_QSPI_Command(&hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return QSPI_ERROR; } / Transmit the data / if (HAL_QSPI_Transmit(&hqspi, &value, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return QSPI_ERROR; } / automatic polling mode to wait for memory ready / if (QSPI_AutoPollingMemReady(W25Q128JV_WRITE_STATUS_REG_TIME_MS) != QSPI_OK) { return QSPI_ERROR; } BSP_QSPI_MemoryMappedMode(); return QSPI_OK; } /BSP_QSPI_Init/ 这是我的司机 static uint8_t QSPI_WriteEnable(void) { QSPI_CommandTypeDef sCommand; QSPI_AutoPollingTypeDef sConfig; / Enable write operations ------------------------------------------ / sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; sCommand.Instruction = WRITE_ENABLE_CMD; sCommand.AddressMode = QSPI_ADDRESS_NONE; sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; sCommand.DataMode = QSPI_DATA_NONE; sCommand.DummyCycles = 0; sCommand.DdrMode = QSPI_DDR_MODE_DISABLE; sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; if (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } / Configure automatic polling mode to wait for write enabling ---- / sConfig.Match = W25Q128JV_FSR_WREN; sConfig.Mask = W25Q128JV_FSR_WREN; sConfig.MatchMode = QSPI_MATCH_MODE_AND; sConfig.StatusBytesSize = 1; sConfig.Interval = 0x10; sConfig.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE; sCommand.Instruction = READ_STATUS_REG1_CMD; sCommand.DataMode = QSPI_DATA_1_LINE; sCommand.NbData = 1; if (HAL_QSPI_AutoPolling(&hqspi, &sCommand, &sConfig, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } return (QSPI_OK); } / QSPI_WriteEnable / static uint8_t BSP_QSPI_Write(const uint8_t pData, uint32_t WriteAddr, uint32_t Size) { QSPI_CommandTypeDef s_command; uint32_t end_addr, current_size, current_addr; /* Calculation of the size between the write address and the end of the page / current_addr = 0U; while (current_addr <= WriteAddr) { current_addr += W25Q128JV_PAGE_SIZE; } current_size = current_addr - WriteAddr; / Check if the size of the data is less than the remaining place in the page / if (current_size > Size) { current_size = Size; } / Initialize the address variables / current_addr = WriteAddr; end_addr = WriteAddr + Size; / Initialize the program command / s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE; s_command.Instruction = QUAD_INPUT_PAGE_PROG_CMD; s_command.AddressMode = QSPI_ADDRESS_1_LINE; s_command.AddressSize = QSPI_ADDRESS_24_BITS; s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; s_command.DataMode = QSPI_DATA_4_LINES; s_command.DummyCycles = 0; s_command.DdrMode = QSPI_DDR_MODE_DISABLE; s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; / Perform the write page by page / do { s_command.Address = current_addr; s_command.NbData = current_size; / Enable write operations / QSPI_WriteEnable(); / Configure the command / if (HAL_QSPI_Command(&hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } / Transmission of the data / if (HAL_QSPI_Transmit(&hqspi, (uint8_t )((uint32_t)pData), HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } /* Configure automatic polling mode to wait for end of program / if (QSPI_AutoPollingMemReady(HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != QSPI_OK) { return (QSPI_ERROR); } / Update the address and size variables for next page programming / current_addr += current_size; pData += current_size; current_size = ((current_addr + W25Q128JV_PAGE_SIZE) > end_addr) ? (end_addr - current_addr) : W25Q128JV_PAGE_SIZE; } while (current_addr < end_addr); return (QSPI_OK); } / BSP_QSPI_Write / uint8_t BSP_QSPI_Read(uint8_t pData, uint32_t ReadAddr, uint32_t Size) { QSPI_CommandTypeDef s_command; /* Initialize the read command / s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE; s_command.Instruction = READ_CMD; s_command.AddressMode = QSPI_ADDRESS_1_LINE; s_command.AddressSize = QSPI_ADDRESS_24_BITS; s_command.Address = ReadAddr; s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; s_command.DataMode = QSPI_DATA_1_LINE; s_command.DummyCycles = 0; s_command.NbData = Size; s_command.DdrMode = QSPI_DDR_MODE_DISABLE; s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; / Configure the command / if (HAL_QSPI_Command(&hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } / Reception of the data / if (HAL_QSPI_Receive(&hqspi, pData, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return (QSPI_ERROR); } return (QSPI_OK); } / BSP_QSPI_Read / static void BSP_QSPI_MemoryMappedMode(void) { QSPI_CommandTypeDef s_command; QSPI_MemoryMappedTypeDef s_mem_mapped_cfg; / Configure the command for the read instruction / s_command.Instruction = QUAD_INOUT_FAST_READ_CMD; s_command.Address = 0U; s_command.AlternateBytes = 0xF0; s_command.AddressSize = QSPI_ADDRESS_24_BITS; s_command.AlternateBytesSize = QSPI_ALTERNATE_BYTES_8_BITS; s_command.DummyCycles = W25Q128JV_DUMMY_CYCLES_READ_QUAD; s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE; s_command.AddressMode = QSPI_ADDRESS_4_LINES; s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_4_LINES; s_command.DataMode = QSPI_DATA_4_LINES; s_command.NbData = 0U; s_command.DdrMode = QSPI_DDR_MODE_DISABLE; s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; / Configure the memory mapped mode / s_mem_mapped_cfg.TimeOutPeriod = 0; s_mem_mapped_cfg.TimeOutActivation = QSPI_TIMEOUT_COUNTER_DISABLE; if (HAL_QSPI_MemoryMapped(&hqspi, &s_command, &s_mem_mapped_cfg) != HAL_OK) { Error_Handler(); } } / BSP_QSPI_MemoryMappedMode */ 0
2022-12-12 06:28:59　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × wang21cj 该类别下有 44 个回答。邀请回答新星之火12138 该类别下有 41 个回答。邀请回答 chm5 该类别下有 39 个回答。邀请回答 hgimtk 该类别下有 33 个回答。邀请回答 HengDu 该类别下有 30 个回答。邀请回答 hwp0415229 该类别下有 28 个回答。邀请回答 jghgfdssas 该类别下有 28 个回答。邀请回答可口可甜该类别下有 26 个回答。邀请回答 kingnet6688 该类别下有 26 个回答。邀请回答颜刚YanG 该类别下有 26 个回答。邀请回答 zyh34997 该类别下有 25 个回答。邀请回答柱子图宁该类别下有 25 个回答。邀请回答 jenny042 该类别下有 25 个回答。邀请回答 kingnet9999 该类别下有 25 个回答。邀请回答 andyfly7 该类别下有 25 个回答。邀请回答麻酱该类别下有 25 个回答。邀请回答 gXDhn 该类别下有 24 个回答。邀请回答 jiangwenwen 该类别下有 24 个回答。邀请回答哼小曲该类别下有 24 个回答。邀请回答云汉007 该类别下有 24 个回答。邀请回答举报好名字相关推荐 • 如何实现QSPI通过DMA四线读写W25Q64或128JV？ 3823 • iMXRT1064使用MCUX Sec工具在flexSpi1上编程外部闪存，如何修改ext_memory_setup.bat？ 272 • 如何设法将固件直接下载到连接到flexspi PORT B的闪存？ 419 • 在MCUXPresso中如何识别数据传输路径是XIP还是NON-XIP方式？ 356 • 如何使用硬件的SPI读写W25Q16JV？ 659 • Spartan 6 SPI Flash EOL更换 2734 • flash型号为w25q128jv spi挂载失败是什么原因导致的 1698 • 请给我指出RT1176支持的QSPI闪存设备列表？ 259 • 编程SPI FLASH W28Q128 2822 • W25Q16 spi闪存的自定义外部加载器问题如何解决？ 189 1个回答

答案对人有帮助，有参考价值 0 使用了写入和读取这两个函数，并禁用了它工作的内存映射模式。

2022-12-12 11:41:33 评论举报刘恩彤