Use case: Memory initialization using XSPIM configuration

Memory initialization using XSPIM configuration.

Sequence diagram

Memory initialization using XSPIM configuration

@startuml == Initialization == "Application" -> "OSPI" : HAL_OSPIM_Config() "OSPI" --> "Application" : "Application" -> "OSPI" : HAL_OSPI_Init() "OSPI" --> "Application" : "Application" -> "System" : OSPI HW Initialization "System" --> "Application" == Process == note over OSPI, Application: **Continue the process according to the targeted scenario** @enduml

Code snippet

HAL1

HAL2 

OSPI_HandleTypeDef ospi;
OSPIM_CfgTypeDef sOspiManagerCfg = {0};
sOspiManagerCfg.nCSOverride = HAL_OSPI_CSSEL_OVR_NCS1;
sOspiManagerCfg.IOPort = HAL_OSPIM_IOPORT_1;



HAL_OSPIM_Config(&ospi, &sOspiManagerCfg, OSPI_TIMEOUT);

ospi.Instance = OSPI;
ospi.Init.FifoThresholdByte = 4;
ospi.Init.MemoryMode = HAL_OSPI_SINGLE_MEM;
ospi.Init.MemoryType = HAL_OSPI_MEMTYPE_APMEM_16BITS;
ospi.Init.MemorySize = HAL_OSPI_SIZE_256MB;
ospi.Init.ChipSelectHighTimeCycle = 5;
ospi.Init.FreeRunningClock = HAL_OSPI_FREERUNCLK_DISABLE;
ospi.Init.ClockMode = HAL_OSPI_CLOCK_MODE_0;
ospi.Init.WrapSize = HAL_OSPI_WRAP_NOT_SUPPORTED;
ospi.Init.ClockPrescaler = 0;
ospi.Init.SampleShifting = HAL_OSPI_SAMPLE_SHIFT_NONE;
ospi.Init.DelayHoldQuarterCycle = HAL_OSPI_DHQC_DISABLE;
ospi.Init.ChipSelectBoundary = HAL_OSPI_BONDARYOF_8KB;
ospi.Init.MaxTran = 0;
ospi.Init.Refresh = 0;
ospi.Init.MemorySelect = HAL_OSPI_CSSEL_NCS1;
HAL_OSPI_Init(&ospi);

hal_xspi_handle_t xspi;
hal_xspi_xspim_config_t sOspiManagerCfg;
sOspiManagerCfg.port1.clk = HAL_XSPI_XSPIM_XSPI1;
sOspiManagerCfg.port1.dqs = HAL_XSPI_XSPIM_XSPI1;
sOspiManagerCfg.port1.ncs = HAL_XSPI_XSPIM_XSPI1;
sOspiManagerCfg.port1.io_low = HAL_XSPI_XSPIM_XSPI1_IO_LOW;
sOspiManagerCfg.port1.io_high = HAL_XSPI_XSPIM_XSPI1_IO_HIGH;
sOspiManagerCfg.req_ack_cycle = 1U;
HAL_XSPI_XSPIM_SetConfig(&sOspiManagerCfg);

















HAL_XSPI_Init(&xspi, HAL_OCTOSPI1);

hal_xspi_config_t HAL_XSPI_Global_Cfg_Struct;
HAL_XSPI_Global_Cfg_Struct.memory = HAL_XSPI_Mem_Cfg_Struct;
HAL_XSPI_Global_Cfg_Struct.timing = HAL_XSPI_Timing_Cfg_Struct;
HAL_XSPI_SetConfig(&xspi, &HAL_XSPI_Global_Cfg_Struct);

Key changes

  1. In HAL2, OSPIM configuration is performed through XSPI XSPIM configuration (for example, HAL_OSPIM_Config() becomes HAL_XSPI_XSPIM_SetConfig()).

  2. In HAL2, OSPI initialization and configuration are replaced by HAL_XSPI_Init() and HAL_XSPI_SetConfig().