C++ (Cpp) NU_MFP_MSK示例

示例#1

文件： pinmap.c 项目： oscarh/mbed-os

/**
 * Configure pin multi-function
 */
void pin_function(PinName pin, int data)
{
    MBED_ASSERT(pin != (PinName)NC);
    uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
    uint32_t port_index = NU_PINNAME_TO_PORT(pin);
    __IO uint32_t *GPx_MFPx = ((__IO uint32_t *) &SYS->GPA_MFPL) + port_index * 2 + (pin_index / 8);
    uint32_t MFP_Msk = NU_MFP_MSK(pin_index);

    // E.g.: SYS->GPA_MFPL  = (SYS->GPA_MFPL & (~SYS_GPA_MFPL_PA0MFP_Msk) ) | SYS_GPA_MFPL_PA0MFP_SC0_CD  ;
    *GPx_MFPx  = (*GPx_MFPx & (~MFP_Msk)) | data;
}

示例#2

文件： pinmap.c 项目： AlessandroA/mbed

/**
 * Configure pin multi-function
 */
void pin_function(PinName pin, int data)
{
    MBED_ASSERT(pin != (PinName)NC);
    uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
    uint32_t port_index = NU_PINNAME_TO_PORT(pin);
    __IO uint32_t *GPx_MFPx = ((__IO uint32_t *) &SYS->GPA_MFPL) + port_index * 2 + (pin_index / 8);
    //uint32_t MFP_Pos = NU_MFP_POS(pin_index);
    uint32_t MFP_Msk = NU_MFP_MSK(pin_index);
    
    // E.g.: SYS->GPA_MFPL  = (SYS->GPA_MFPL & (~SYS_GPA_MFPL_PA0MFP_Msk) ) | SYS_GPA_MFPL_PA0MFP_SC0_CD  ;
    *GPx_MFPx  = (*GPx_MFPx & (~MFP_Msk)) | data;
    
    // [TODO] Disconnect JTAG-DP + SW-DP signals.
    // Warning: Need to reconnect under reset
    //if ((pin == PA_13) || (pin == PA_14)) {
    //
    //}
    //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
    //
    //}
}