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3.6.1.2 在应用程序代码中实现 BSL 配置

FR235x 和 FR215x MCU 的链接器命令文件包含以下部分：

.bslconfigsignature
.bslconfig
.bsli2caddress

在应用程序代码中，定义以下配置值：

#define BSL_CONFIG_SIGNATURE                   (0x695A) // BSL Configuration Signature
#define BSL_CONFIG_PASSWORD                    (0x5A00) // BSL User's Configuration Signature
#define BSL_CONFIG_TINY_RAM_ERASED_BY_INIT     (0x0008) // Tiny RAM is erased during BSL invocation
#define BSL_CONFIG_TINY_RAM_NOT_ERASED_BY_INIT (0x0000) // (Default) Tiny RAM is not erased during BSL invocation
#define BSL_CONFIG_RAM_ERASED_BY_INIT          (0x0000) // RAM is erased during BSL invocation
#define BSL_CONFIG_RAM_NOT_ERASED_BY_INIT      (0x0004) // (Default) RAM is not erased during BSL invocation
#define BSL_CONFIG_INTERFACE_UART_I2C          (0x0000) // Enable UART and I2C
#define BSL_CONFIG_INTERFACE_UART_ONLY         (0x0001) // Enable UART
#define BSL_CONFIG_INTERFACE_I2C_ONLY          (0x0002) // Enable I2C
#define BSL_CONFIG_INTERFACE_DEFAULT           (0x0003) // (Default / Reserved) Enable UART and I2C
#define BSL_I2C_ADDRESS_7BIT                   (0x60)   // Customized I2C Address

将预期的配置值应用到 BSL 配置部分：

#pragma RETAIN(bslConfigurationSignature)
#pragma DATA_SECTION(bslConfigurationSignature, ".bslconfigsignature")
const uint16_t bslConfigurationSignature = BSL_CONFIG_SIGNATURE;
#pragma RETAIN(bslConfig)
#pragma DATA_SECTION(bslConfig, ".bslconfig")
const uint16_t bslConfig = (BSL_CONFIG_PASSWORD | BSL_CONFIG_INTERFACE_UART_ONLY) ;
#pragma RETAIN(bslI2Caddr)
#pragma DATA_SECTION(bslI2Caddr, ".bsli2caddress")
const uint16_t bslI2Caddr = (0xFF00 | BSL_I2C_ADDRESS_7BIT) ;