Reset and clock control (RCC)
ï‚· #define: RCC_FLAG_IWDGRST ((uint8_t)0x5D)
ï‚· #define: RCC_FLAG_WWDGRST ((uint8_t)0x5E)
ï‚· #define: RCC_FLAG_LPWRRST ((uint8_t)0x5F)
RCC_HSE_configuration
ï‚· #define: RCC_HSE_OFF ((uint8_t)0x00)
ï‚· #define: RCC_HSE_ON ((uint8_t)0x01)
ï‚· #define: RCC_HSE_Bypass ((uint8_t)0x05)
RCC_I2C_clock_source
ï‚· #define: RCC_I2C1CLK_HSI ((uint32_t)0x00000000)
ï‚· #define: RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW
ï‚· #define: RCC_I2C2CLK_HSI ((uint32_t)0x10000000)
ï‚· #define: RCC_I2C2CLK_SYSCLK ((uint32_t)0x10000020)
RCC_I2S_Clock_Source
ï‚· #define: RCC_I2S2CLKSource_SYSCLK ((uint8_t)0x00)