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feat add ch438 register clear when receiving interrrupts

This commit is contained in:
Liu_Weichao 2022-05-10 13:43:24 +08:00
parent 909f3cc635
commit 3c9347b856
1 changed files with 29 additions and 20 deletions
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43
Ubiquitous/XiZi/board/xidatong/third_party_driver/ch438/connect_ch438.c
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@ -1027,15 +1027,15 @@ static uint32 ImxrtCh438ReadData(void *dev, struct BusBlockReadParam *read_param
if (EOK == result) {
gInterruptStatus = ReadCH438Data(REG_SSR_ADDR);
if (!gInterruptStatus) {
// dat = ReadCH438Data(REG_LCR0_ADDR);
// dat = ReadCH438Data(REG_IER0_ADDR);
// dat = ReadCH438Data(REG_MCR0_ADDR);
// dat = ReadCH438Data(REG_LSR0_ADDR);
// dat = ReadCH438Data(REG_MSR0_ADDR);
// dat = ReadCH438Data(REG_RBR0_ADDR);
// dat = ReadCH438Data(REG_THR0_ADDR);
// dat = ReadCH438Data(REG_IIR0_ADDR);
// dat = dat;
dat = ReadCH438Data(REG_LCR0_ADDR);
dat = ReadCH438Data(REG_IER0_ADDR);
dat = ReadCH438Data(REG_MCR0_ADDR);
dat = ReadCH438Data(REG_LSR0_ADDR);
dat = ReadCH438Data(REG_MSR0_ADDR);
dat = ReadCH438Data(REG_RBR0_ADDR);
dat = ReadCH438Data(REG_THR0_ADDR);
dat = ReadCH438Data(REG_IIR0_ADDR);
dat = dat;
interrupt_done = 0;
} else {
if (gInterruptStatus & interrupt_num[dev_param->ext_uart_no]) { /* check which uart port triggers interrupt*/
@ -1053,17 +1053,26 @@ static uint32 ImxrtCh438ReadData(void *dev, struct BusBlockReadParam *read_param
InterruptStatus = ReadCH438Data( REG_IIR_ADDR ) & 0x0f; /* read the status of the uart port*/
if ((INT_RCV_OVERTIME == InterruptStatus) || (INT_RCV_SUCCESS == InterruptStatus)) {
switch( InterruptStatus )
{
case INT_NOINT: /* NO INTERRUPT */
break;
case INT_THR_EMPTY: /* THR EMPTY INTERRUPT */
break;
case INT_RCV_OVERTIME: /* RECV OVERTIME INTERRUPT */
case INT_RCV_SUCCESS: /* RECV INTERRUPT SUCCESSFULLY */
rcv_num = Ch438UartRcv(dev_param->ext_uart_no, (uint8 *)read_param->buffer, read_param->size);
read_param->read_length = rcv_num;
interrupt_done = 1;
// int i;
// uint8 *buffer = (uint8 *)read_param->buffer;
// for (i = 0; i < rcv_num; i ++) {
// KPrintf("Ch438UartRcv i %u data 0x%x\n", i, buffer[i]);
// }
break;
case INT_RCV_LINES: /* RECV LINES INTERRUPT */
ReadCH438Data( REG_LSR_ADDR );
break;
case INT_MODEM_CHANGE: /* MODEM CHANGE INTERRUPT */
ReadCH438Data( REG_MSR_ADDR );
break;
default:
break;
}
}
}