C++ (Cpp) CLOCK_GetDiv示例

示例#1

文件： mbed_overrides.c 项目： toyowata/mbed

uint32_t serial_get_clock(void)
{
    uint32_t clock_freq;

    /* We assume default PLL and divider settings, and the only variable
     * from application is use PLL3 source or OSC source
     */
    if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */ {
        clock_freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
    } else {
        clock_freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
    }

    return clock_freq;
}

示例#2

文件： drv_uart.c 项目： geniusgogo/rt-thread

/* Get debug console frequency. */
uint32_t GetUartSrcFreq(void)
{
    uint32_t freq;

    /* To make it simple, we assume default PLL and divider settings, and the only variable
       from application is use PLL3 source or OSC source */
    if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */
    {
        freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
    }
    else
    {
        freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
    }

    return freq;
}