KEA128 SDK to build UART application on KEA8

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KEA128 SDK to build UART application on KEA8

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Contributor I

I‘m using KEA128 SDK to build UART application on KEA8.however when I use this function void UART_ReceiveWait(UART_MemMapPtr pUART, uint8_t *pReceiveBuff, uint32_t u32Length)
{
    uint8_t u8RxChar;
    uint32_t i;
   
    for (i = 0; i < u32Length; i++)
    {
        while (!UART_IsRxBuffFull(pUART))
        { 
        }   
        u8RxChar = UART_ReadDataReg(pUART);
        pReceiveBuff[i] = u8RxChar;
    }
}

when I debug ,it loops in this fuction and cannot quit this function.

static inline uint8_t UART_IsRxBuffFull(UART_MemMapPtr pUART)
{
    return (pUART->S1 & UART_S1_RDRF_MASK);
}

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1 Reply

7 Views
NXP TechSupport
NXP TechSupport

Hi aida,

that means UART doesn't receive data. KEA128 has 3 UART peripherals. The KEA128 uart demo use UART2. KEA8 has only one UART0. Please check the UART config and pin config. There is another TRK-KEA demo package which contain KEA8 uart example. You can refer to it.

 https://community.nxp.com/docs/DOC-100915  

Regards,

Jing

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