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fix bluetrum uart1 and uart2 cannot recv data

This commit is contained in:
yaoyufan 2021-04-23 10:21:10 +08:00
parent e3c19a8463
commit e2d4a912be
1 changed files with 31 additions and 10 deletions
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21
bsp/bluetrum/libraries/hal_drivers/drv_usart.c
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@ -221,6 +221,8 @@ void uart_irq_process(struct rt_serial_device *serial)
rt_hw_interrupt_enable(level);
}
if(serial == &uart_obj[0].serial)
{
rt_size_t rx_length;
/* get rx length */
@ -233,6 +235,25 @@ void uart_irq_process(struct rt_serial_device *serial)
{
shell_rx_ind();
}
}else {
/* invoke callback */
if (serial->parent.rx_indicate != RT_NULL)
{
rt_size_t rx_length;
/* get rx length */
level = rt_hw_interrupt_disable();
rx_length = (rx_fifo->put_index >= rx_fifo->get_index)? (rx_fifo->put_index - rx_fifo->get_index):
(serial->config.bufsz - (rx_fifo->get_index - rx_fifo->put_index));
rt_hw_interrupt_enable(level);
if (rx_length)
{
serial->parent.rx_indicate(&serial->parent, rx_length);
}
}
}
}
RT_SECTION(".irq.usart")