setContactlessKernelAppData

Loads application-specific configuration data into the contactless EMV kernel.

This method configures the contactless EMV kernel with application-specific parameters and settings for a specific kernel type (e.g., VISA, MASTERCARD, AMEX). The configuration data includes Application Identifier (AID) information, transaction limits, terminal capabilities, and other EMV parameters required for contactless card transaction processing.

Prerequisites:

• EMV kernel environment must be initialized via initializeKernelEnvironment

• This method is part of the contactless application data loading sequence

Kernel type significance: The tKernelType parameter distinguishes between different contactless payment scheme implementations (VISA payWave, Mastercard PayPass, etc.), each with specific processing requirements and parameter sets.

Usage sequence: This method is part of a multi-step contactless application configuration process:

1. Call this method one or more times to load application configurations for different kernel types

2. Call endContactlessKernelAppDataLoad to finalize and commit all loaded configurations

Thread safety: This method should be called from a single thread during the application data loading sequence to ensure data consistency and prevent configuration corruption.

Exceptions: This function MUST NOT throw any exception. Any error must be indicated through NexusRet Any unexpected error must be mapped as NexusRet.INTERR

Implementation notes:

• Log detailed information about each kernel type and application configuration loaded

• Ensure proper error handling for malformed or invalid configuration data

val visaContactlessConfig = TypeParameterModal(
    aid = "A0000000031010",
    // ... other VISA-specific configuration parameters
)

val mastercardContactlessConfig = TypeParameterModal(
    aid = "A0000000041010",
    // ... other Mastercard-specific configuration parameters
)

// Load VISA contactless configuration
val visaResult = emvPort.setContactlessKernelAppData(KernelType.VISA, visaContactlessConfig)
if (visaResult == NexusRet.OK) {
    println("VISA contactless configuration loaded successfully")
}

// Load Mastercard contactless configuration
val mcResult = emvPort.setContactlessKernelAppData(KernelType.MASTERCARD, mastercardContactlessConfig)
if (mcResult == NexusRet.OK) {
    println("Mastercard contactless configuration loaded successfully")
}

// After loading all configurations, finalize the process
emvPort.endContactlessKernelAppDataLoad()

Parameters