S32 SDKのトピックRe: 2018R1 SDK0.8.6 LPUART IRQ Problem

2018R1 SDK0.8.6 LPUART IRQ Problem

建宽高 — Thu, 11 Oct 2018 09:43:31 GMT

hi,when i config lpuart2

```

LPUART_Type *base = g_lpuartBase[INST_LPUART2];

LPUART_DRV_Init(INST_LPUART2, &lpuart2_State, &lpuart2_InitConfig0);
INT_SYS_InstallHandler(g_lpuartRxTxIrqId[INST_LPUART2], DEBUG_DRV_IRQHandler, (isr_t *) 0);
INT_SYS_SetPriority(LPUART2_RxTx_IRQn, 2);

/* Enable the receive data overrun interrupt */
LPUART_SetIntMode(base, LPUART_INT_RX_OVERRUN, true);

/* Enable the receive data overrun interrupt */
LPUART_SetIntMode(base, LPUART_INT_FRAME_ERR_FLAG, false);

/* Enable receive data full interrupt */
LPUART_SetIntMode(base, LPUART_INT_RX_DATA_REG_FULL, true);

```

in this code

```

LPUART_SetIntMode(base, LPUART_INT_RX_DATA_REG_FULL, true);

```

it willl go to this breakpoint,frame error, why ,and use api get receive byte is zero, why ?

```

uint8_t rb;

LPUART_Getchar(base, &rb)

```

rb result is zero

Re: 2018R1 SDK0.8.6 LPUART IRQ Problem

razva_tilimpea — Fri, 12 Oct 2018 08:06:51 GMT

Hi,

Please start from our LPUARt example and update your SDK because you use a version released 2 years ago.

To get latest version please follow the steps from the attachment.

Please don't change the IRQ handlers and disable interrupts, because LPUART driver needs them to read/write data on UART.

If you want to receive data please just initialize the driver and call LPUART_DRV_ReceiveData.

Best regards,

Razvan

Re: 2018R1 SDK0.8.6 LPUART IRQ Problem

建宽高 — Mon, 15 Oct 2018 03:54:58 GMT

3Q，very much