This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit e75d1111fac5652f28e4aed74c7c715e21fb3263
Author: YAMAMOTO Takashi <yamam...@midokura.com>
AuthorDate: Tue Nov 10 18:17:11 2020 +0900
arch/arm/src/lpc2378/lpc23xx_serial.c: Appease nxstyle
---
arch/arm/src/lpc2378/lpc23xx_serial.c | 59 ++++++++++++++++++++++-------------
1 file changed, 37 insertions(+), 22 deletions(-)
diff --git a/arch/arm/src/lpc2378/lpc23xx_serial.c
b/arch/arm/src/lpc2378/lpc23xx_serial.c
index 49bbe49..b1af72d 100644
--- a/arch/arm/src/lpc2378/lpc23xx_serial.c
+++ b/arch/arm/src/lpc2378/lpc23xx_serial.c
@@ -177,7 +177,6 @@ static struct up_dev_s g_uart2priv =
.parity = CONFIG_UART2_PARITY,
.bits = CONFIG_UART2_BITS,
.stopbits2 = CONFIG_UART2_2STOP,
-
};
static uart_dev_t g_uart2port =
@@ -229,7 +228,8 @@ static inline uint8_t up_serialin(struct up_dev_s *priv,
int offset)
* Name: up_serialout
****************************************************************************/
-static inline void up_serialout(struct up_dev_s *priv, int offset, uint8_t
value)
+static inline void up_serialout(struct up_dev_s *priv, int offset,
+ uint8_t value)
{
putreg8(value, priv->uartbase + offset);
}
@@ -305,9 +305,9 @@ static inline void up_enablebreaks(struct up_dev_s *priv,
bool enable)
/****************************************************************************
* Name: up_configbaud
****************************************************************************/
+
static inline void up_configbaud(struct up_dev_s *priv)
{
-
/* In a buckled-up, embedded system, there is no reason to constantly
* calculate the following. The calculation can be skipped if the MULVAL,
* DIVADDVAL, and DIVISOR values are provided in the configuration file.
@@ -347,12 +347,14 @@ static inline void up_configbaud(struct up_dev_s *priv)
qtrclk = U0_PCLK >> 4; /* TODO: Different Uart port with different
clocking */
- /* Try every valid multiplier, tmulval (or until a perfect match is found).
*/
+ /* Try every valid multiplier, tmulval
+ * (or until a perfect match is found).
+ */
for (tmulval = 1; tmulval <= 15 && errval > 0; tmulval++)
{
- /* Try every valid pre-scale div, tdivaddval (or until a perfect match is
- * found).
+ /* Try every valid pre-scale div, tdivaddval
+ * (or until a perfect match is found).
*/
for (tdivaddval = 0; tdivaddval <= 15 && errval > 0; tdivaddval++)
@@ -408,6 +410,7 @@ static inline void up_configbaud(struct up_dev_s *priv)
#else
/* Configure the MS and LS DLAB registers */
+
up_serialout(priv, UART_DLM_OFFSET, DLMVAL >> 8);
up_serialout(priv, UART_DLL_OFFSET, DLLVAL & 0xff);
@@ -436,7 +439,8 @@ static int up_setup(struct uart_dev_s *dev)
/* Clear fifos */
- up_serialout(priv, UART_FCR_OFFSET, (FCR_RX_FIFO_RESET | FCR_TX_FIFO_RESET));
+ up_serialout(priv, UART_FCR_OFFSET,
+ (FCR_RX_FIFO_RESET | FCR_TX_FIFO_RESET));
/* Set trigger */
@@ -484,10 +488,11 @@ static int up_setup(struct uart_dev_s *dev)
(FCR_FIFO_TRIG8 | FCR_TX_FIFO_RESET |
FCR_RX_FIFO_RESET | FCR_FIFO_ENABLE));
- /* The NuttX serial driver waits for the first THRE interrupt before sending
- * serial data... However, it appears that the LPC2378 hardware too does not
- * generate that interrupt until a transition from not-empty to empty. So,
- * the current kludge here is to send one NULL at startup to kick things off.
+ /* The NuttX serial driver waits for the first THRE interrupt before
+ * sending serial data... However, it appears that the LPC2378 hardware
+ * too does not generate that interrupt until a transition from not-empty
+ * to empty. So, the current kludge here is to send one NULL at startup
+ * to kick things off.
*/
up_serialout(priv, UART_THR_OFFSET, '\0');
@@ -514,14 +519,15 @@ static void up_shutdown(struct uart_dev_s *dev)
* Name: up_attach
*
* Description:
- * Configure the UART to operation in interrupt driven mode. This method is
- * called when the serial port is opened. Normally, this is just after the
+ * Configure the UART to operation in interrupt driven mode. This method
+ * is called when the serial port is opened. Normally, this is just after
* the setup() method is called, however, the serial console may operate in
* a non-interrupt driven mode during the boot phase.
*
- * RX and TX interrupts are not enabled when by the attach method (unless the
- * hardware supports multiple levels of interrupt enabling). The RX and TX
- * interrupts are not enabled until the txint() and rxint() methods are
called.
+ * RX and TX interrupts are not enabled when by the attach method (unless
+ * the hardware supports multiple levels of interrupt enabling). The RX
+ * and TX interrupts are not enabled until the txint() and rxint() methods
+ * are called.
*
****************************************************************************/
@@ -536,7 +542,8 @@ static int up_attach(struct uart_dev_s *dev)
if (ret == OK)
{
/* Enable the interrupt (RX and TX interrupts are still disabled in the
- * UART */
+ * UART
+ */
up_enable_irq(priv->irq);
}
@@ -549,8 +556,8 @@ static int up_attach(struct uart_dev_s *dev)
*
* Description:
* Detach UART interrupts. This method is called when the serial port is
- * closed normally just before the shutdown method is called. The exception
is
- * the serial console which is never shutdown.
+ * closed normally just before the shutdown method is called. The
+ * exception is the serial console which is never shutdown.
*
****************************************************************************/
@@ -585,11 +592,14 @@ static int up_interrupt(int irq, void *context, void *arg)
priv = (struct up_dev_s *)dev->priv;
/* Loop until there are no characters to be transferred or, until we have
- * been looping for a long time. */
+ * been looping for a long time.
+ */
for (passes = 0; passes < 256; passes++)
{
- /* Get the current UART status and check for loop termination conditions
*/
+ /* Get the current UART status and check for loop termination
+ * conditions
+ */
status = up_serialin(priv, UART_IIR_OFFSET);
@@ -597,7 +607,9 @@ static int up_interrupt(int irq, void *context, void *arg)
if ((status & IIR_NO_INT) != 0)
{
- /* Break out of the loop when there is no longer a pending interrupt
*/
+ /* Break out of the loop when there is no longer a pending
+ * interrupt
+ */
break;
}
@@ -654,6 +666,7 @@ static int up_interrupt(int irq, void *context, void *arg)
}
}
}
+
return OK;
}
@@ -758,6 +771,7 @@ static void up_rxint(struct uart_dev_s *dev, bool enable)
{
priv->ier &= ~IER_ERBFI;
}
+
up_serialout(priv, UART_IER_OFFSET, priv->ier);
}
@@ -810,6 +824,7 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
{
priv->ier &= ~IER_ETBEI;
}
+
up_serialout(priv, UART_IER_OFFSET, priv->ier);
}
