C++ (Cpp) PMC_DisableProcessorClock示例

示例#1

文件： pmc.c 项目： naminic/Arm-Alphanumeric-LCD

//------------------------------------------------------------------------------
/// Put the CPU in Idle Mode for lower consumption
//------------------------------------------------------------------------------
void PMC_CPUInIdleMode(void)
{
    PMC_DisableProcessorClock();
#ifdef CP15_PRESENT
    _waitForInterrupt();
#endif
}

示例#2

文件： pmc.c 项目： artisdom/mboot

//------------------------------------------------------------------------------
/// Put the CPU in Idle Mode for lower consumption
//------------------------------------------------------------------------------
void PMC_CPUInIdleMode(void)
{
#ifndef CP15_PRESENT	
    PMC_DisableProcessorClock();
#else
    AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_PCK; 
    CP15_WaitForInterrupt();
#endif
}

示例#3

文件： usb_driver.c 项目： Flyagin/BS-MRZV

//------------------------------------------------------------------------------
/// Put the CPU in 32kHz, disable PLL, main oscillator
//------------------------------------------------------------------------------
void LowPowerMode(void)
{
    // MCK=48MHz to MCK=32kHz
    // MCK = SLCK/2 : change source first from 48 000 000 to 18. / 2 = 9M
    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2;
    while( !( AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY ) );
    // MCK=SLCK : then change prescaler
    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_CSS_SLOW_CLK;
    while( !( AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY ) );
    // disable PLL
    AT91C_BASE_PMC->PMC_PLLR = 0;
    // Disable Main Oscillator
    AT91C_BASE_PMC->PMC_MOR = 0;

    PMC_DisableProcessorClock();
}

示例#4

文件： usb_driver.c 项目： Flyagin/BS-MRZV

//------------------------------------------------------------------------------
/// Put the CPU in 32kHz, disable PLL, main oscillator
/// Put voltage regulator in standby mode
//------------------------------------------------------------------------------
void LowPowerMode(void)
{
    // MCK=48MHz to MCK=32kHz
    // MCK = SLCK/2 : change source first from 48 000 000 to 18. / 2 = 9M
    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2;
    while( !( AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY ) );
    // MCK=SLCK : then change prescaler
    AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_CSS_SLOW_CLK;
    while( !( AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY ) );
    // disable PLL
    AT91C_BASE_PMC->PMC_PLLR = 0;
    // Disable Main Oscillator
    AT91C_BASE_PMC->PMC_MOR = 0;

    // Voltage regulator in standby mode : Enable VREG Low Power Mode
    AT91C_BASE_VREG->VREG_MR |= AT91C_VREG_PSTDBY;

    PMC_DisableProcessorClock();
}