stm32f0l0g0:serial_v2 fix coding standard violation
This commit is contained in:
David Sidrane
Xiang Xiao
parent
ed51cbee18
commit
7ef4f53dff
@ -1,4 +1,4 @@
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/****************************************************************************
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/**************************************************************************************************
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* arch/arm/src/stm32f0l0g0/stm32_serial.c
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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@ -32,11 +32,11 @@
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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**************************************************************************************************/
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/****************************************************************************
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/**************************************************************************************************
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* Included Files
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****************************************************************************/
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**************************************************************************************************/
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#include <nuttx/config.h>
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@ -76,10 +76,12 @@
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# error not supported yet
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#endif
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/****************************************************************************
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/**************************************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Some sanity checks *******************************************************/
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**************************************************************************************************/
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/* Some sanity checks *****************************************************************************/
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/* Total number of possible serial devices */
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#define STM32_NSERIAL (STM32_NUSART)
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@ -121,9 +123,9 @@
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CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS to be enabled."
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#endif
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/****************************************************************************
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/**************************************************************************************************
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* Private Types
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****************************************************************************/
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**************************************************************************************************/
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struct up_dev_s
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{
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@ -177,14 +179,14 @@ struct up_dev_s
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#endif
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#ifdef HAVE_RS485
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const uint32_t rs485_dir_gpio; /* U[S]ART RS-485 DIR GPIO pin configuration */
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const uint32_t rs485_dir_gpio; /* U[S]ART RS-485 DIR GPIO pin configuration */
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const bool rs485_dir_polarity; /* U[S]ART RS-485 DIR pin state for TX enabled */
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#endif
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};
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/****************************************************************************
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/**************************************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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**************************************************************************************************/
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static void up_set_format(struct uart_dev_s *dev);
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static int up_setup(struct uart_dev_s *dev);
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@ -211,9 +213,9 @@ static int up_pm_prepare(struct pm_callback_s *cb, int domain,
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enum pm_state_e pmstate);
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#endif
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/****************************************************************************
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/**************************************************************************************************
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* Private Data
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****************************************************************************/
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**************************************************************************************************/
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static const struct uart_ops_s g_uart_ops =
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{
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@ -394,31 +396,31 @@ static struct pm_callback_s g_serialcb =
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};
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#endif
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/****************************************************************************
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/**************************************************************************************************
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* Private Functions
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****************************************************************************/
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**************************************************************************************************/
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_serialin
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****************************************************************************/
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**************************************************************************************************/
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static inline uint32_t up_serialin(struct up_dev_s *priv, int offset)
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{
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return getreg32(priv->usartbase + offset);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_serialout
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****************************************************************************/
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**************************************************************************************************/
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static inline void up_serialout(struct up_dev_s *priv, int offset, uint32_t value)
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{
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putreg32(value, priv->usartbase + offset);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_serialmod
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****************************************************************************/
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**************************************************************************************************/
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static inline void up_serialmod(struct up_dev_s *priv, int offset,
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uint32_t clrbits, uint32_t setbits)
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@ -428,9 +430,9 @@ static inline void up_serialmod(struct up_dev_s *priv, int offset,
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putreg32(regval, addr);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_setusartint
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****************************************************************************/
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**************************************************************************************************/
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static inline void up_setusartint(struct up_dev_s *priv, uint16_t ie)
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{
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@ -453,9 +455,9 @@ static inline void up_setusartint(struct up_dev_s *priv, uint16_t ie)
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up_serialout(priv, STM32_USART_CR3_OFFSET, cr);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_restoreusartint
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****************************************************************************/
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**************************************************************************************************/
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static void up_restoreusartint(struct up_dev_s *priv, uint16_t ie)
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{
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@ -468,9 +470,9 @@ static void up_restoreusartint(struct up_dev_s *priv, uint16_t ie)
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leave_critical_section(flags);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_disableusartint
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****************************************************************************/
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**************************************************************************************************/
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static void up_disableusartint(struct up_dev_s *priv, uint16_t *ie)
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{
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@ -519,13 +521,13 @@ static void up_disableusartint(struct up_dev_s *priv, uint16_t *ie)
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leave_critical_section(flags);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_set_format
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*
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* Description:
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* Set the serial line format and speed.
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*
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****************************************************************************/
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**************************************************************************************************/
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#ifndef CONFIG_SUPPRESS_UART_CONFIG
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static void up_set_format(struct uart_dev_s *dev)
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@ -547,7 +549,8 @@ static void up_set_format(struct uart_dev_s *dev)
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cr1 &= ~USART_CR1_UE;
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/* Disable UE as the format bits and baud rate registers can not be
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* updated while UE = 1 */
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* updated while UE = 1
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*/
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up_serialout(priv, STM32_USART_CR1_OFFSET, cr1);
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@ -674,7 +677,7 @@ static void up_set_format(struct uart_dev_s *dev)
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}
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#endif /* CONFIG_SUPPRESS_UART_CONFIG */
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_set_apb_clock
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*
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* Description:
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@ -684,7 +687,7 @@ static void up_set_format(struct uart_dev_s *dev)
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* dev - A reference to the UART driver state structure
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* on - Enable clock if 'on' is 'true' and disable if 'false'
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_set_apb_clock(struct uart_dev_s *dev, bool on)
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{
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@ -736,14 +739,14 @@ static void up_set_apb_clock(struct uart_dev_s *dev, bool on)
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}
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_setup
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*
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* Description:
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* Configure the USART baud, bits, parity, etc. This method is called the
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* first time that the serial port is opened.
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*
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****************************************************************************/
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**************************************************************************************************/
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static int up_setup(struct uart_dev_s *dev)
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{
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@ -798,8 +801,10 @@ static int up_setup(struct uart_dev_s *dev)
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}
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#endif
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/* Configure CR2 */
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/* Clear STOP, CLKEN, CPOL, CPHA, LBCL, and interrupt enable bits */
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/* Configure CR2
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*
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* Clear STOP, CLKEN, CPOL, CPHA, LBCL, and interrupt enable bits
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*/
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regval = up_serialin(priv, STM32_USART_CR2_OFFSET);
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regval &= ~(USART_CR2_STOP_MASK | USART_CR2_CLKEN | USART_CR2_CPOL |
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@ -814,16 +819,20 @@ static int up_setup(struct uart_dev_s *dev)
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up_serialout(priv, STM32_USART_CR2_OFFSET, regval);
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/* Configure CR1 */
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/* Clear TE, REm and all interrupt enable bits */
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/* Configure CR1
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*
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* Clear TE, REm and all interrupt enable bits
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*/
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regval = up_serialin(priv, STM32_USART_CR1_OFFSET);
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regval &= ~(USART_CR1_TE | USART_CR1_RE | USART_CR1_ALLINTS);
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up_serialout(priv, STM32_USART_CR1_OFFSET, regval);
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/* Configure CR3 */
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/* Clear CTSE, RTSE, and all interrupt enable bits */
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/* Configure CR3
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*
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* Clear CTSE, RTSE, and all interrupt enable bits
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*/
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regval = up_serialin(priv, STM32_USART_CR3_OFFSET);
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regval &= ~(USART_CR3_CTSIE | USART_CR3_CTSE | USART_CR3_RTSE | USART_CR3_EIE);
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@ -839,6 +848,7 @@ static int up_setup(struct uart_dev_s *dev)
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up_set_format(dev);
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/* Enable Rx, Tx, and the USART */
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/* Enable FIFO */
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regval = up_serialin(priv, STM32_USART_CR1_OFFSET);
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@ -860,15 +870,14 @@ static int up_setup(struct uart_dev_s *dev)
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return OK;
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_shutdown
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*
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* Description:
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* Disable the USART. This method is called when the serial
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* port is closed
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_shutdown(struct uart_dev_s *dev)
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{
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@ -926,8 +935,7 @@ static void up_shutdown(struct uart_dev_s *dev)
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#endif
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_attach
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*
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* Description:
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@ -940,7 +948,7 @@ static void up_shutdown(struct uart_dev_s *dev)
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* hardware supports multiple levels of interrupt enabling). The RX and TX
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* interrupts are not enabled until the txint() and rxint() methods are called.
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*
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****************************************************************************/
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**************************************************************************************************/
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static int up_attach(struct uart_dev_s *dev)
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{
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@ -958,10 +966,11 @@ static int up_attach(struct uart_dev_s *dev)
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up_enable_irq(priv->irq);
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}
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return ret;
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_detach
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*
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* Description:
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@ -969,7 +978,7 @@ static int up_attach(struct uart_dev_s *dev)
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* closed normally just before the shutdown method is called. The exception
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* is the serial console which is never shutdown.
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_detach(struct uart_dev_s *dev)
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{
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@ -978,7 +987,7 @@ static void up_detach(struct uart_dev_s *dev)
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irq_detach(priv->irq);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_interrupt
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*
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* Description:
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@ -988,7 +997,7 @@ static void up_detach(struct uart_dev_s *dev)
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* interrupt handling logic must be able to map the 'irq' number into the
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* appropriate uart_dev_s structure in order to call these functions.
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*
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****************************************************************************/
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**************************************************************************************************/
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static int up_interrupt(int irq, void *context, FAR void *arg)
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{
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@ -1094,13 +1103,13 @@ static int up_interrupt(int irq, void *context, FAR void *arg)
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return OK;
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_ioctl
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*
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* Description:
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* All ioctl calls will be routed through this method
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*
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****************************************************************************/
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**************************************************************************************************/
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static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
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{
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@ -1165,8 +1174,10 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
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uint32_t gpio_val = (arg & SER_SINGLEWIRE_PUSHPULL) ==
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SER_SINGLEWIRE_PUSHPULL ?
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GPIO_PUSHPULL : GPIO_OPENDRAIN;
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gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) == SER_SINGLEWIRE_PULLUP ? GPIO_PULLUP : GPIO_FLOAT;
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gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) == SER_SINGLEWIRE_PULLDOWN ? GPIO_PULLDOWN : GPIO_FLOAT;
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gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) == SER_SINGLEWIRE_PULLUP ?
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GPIO_PULLUP : GPIO_FLOAT;
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gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) == SER_SINGLEWIRE_PULLDOWN ?
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GPIO_PULLDOWN : GPIO_FLOAT;
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stm32_configgpio((priv->tx_gpio & ~(GPIO_PUPD_MASK | GPIO_OPENDRAIN)) | gpio_val);
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cr |= USART_CR3_HDSEL;
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}
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@ -1296,9 +1307,9 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
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up_txint(dev, false);
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/* Configure TX as a GPIO output pin and Send a break signal*/
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/* Configure TX as a GPIO output pin and Send a break signal */
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tx_break = GPIO_OUTPUT | (~(GPIO_MODE_MASK|GPIO_OUTPUT_SET) & priv->tx_gpio);
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tx_break = GPIO_OUTPUT | (~(GPIO_MODE_MASK | GPIO_OUTPUT_SET) & priv->tx_gpio);
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stm32_configgpio(tx_break);
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leave_critical_section(flags);
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@ -1350,7 +1361,7 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
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return ret;
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_receive
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*
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* Description:
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@ -1358,7 +1369,7 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
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* character from the USART. Error bits associated with the
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* receipt are provided in the return 'status'.
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*
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****************************************************************************/
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**************************************************************************************************/
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static int up_receive(struct uart_dev_s *dev, unsigned int *status)
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{
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@ -1379,13 +1390,13 @@ static int up_receive(struct uart_dev_s *dev, unsigned int *status)
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return rdr & 0xff;
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_rxint
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*
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* Description:
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* Call to enable or disable RX interrupts
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_rxint(struct uart_dev_s *dev, bool enable)
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{
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@ -1435,13 +1446,13 @@ static void up_rxint(struct uart_dev_s *dev, bool enable)
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leave_critical_section(flags);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_rxavailable
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*
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* Description:
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* Return true if the receive register is not empty
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*
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****************************************************************************/
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**************************************************************************************************/
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static bool up_rxavailable(struct uart_dev_s *dev)
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{
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@ -1449,7 +1460,7 @@ static bool up_rxavailable(struct uart_dev_s *dev)
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return ((up_serialin(priv, STM32_USART_ISR_OFFSET) & USART_ISR_RXNE) != 0);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_rxflowcontrol
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*
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* Description:
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@ -1470,7 +1481,7 @@ static bool up_rxavailable(struct uart_dev_s *dev)
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* Returned Value:
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* true if RX flow control activated.
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*
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****************************************************************************/
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**************************************************************************************************/
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#ifdef CONFIG_SERIAL_IFLOWCONTROL
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static bool up_rxflowcontrol(struct uart_dev_s *dev,
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@ -1545,13 +1556,13 @@ static bool up_rxflowcontrol(struct uart_dev_s *dev,
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}
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#endif
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_send
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*
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* Description:
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* This method will send one byte on the USART
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_send(struct uart_dev_s *dev, int ch)
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{
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@ -1567,13 +1578,13 @@ static void up_send(struct uart_dev_s *dev, int ch)
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up_serialout(priv, STM32_USART_TDR_OFFSET, (uint32_t)ch);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_txint
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*
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* Description:
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* Call to enable or disable TX interrupts
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*
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****************************************************************************/
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**************************************************************************************************/
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static void up_txint(struct uart_dev_s *dev, bool enable)
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{
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@ -1634,13 +1645,13 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
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leave_critical_section(flags);
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}
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/****************************************************************************
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/**************************************************************************************************
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* Name: up_txready
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*
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* Description:
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* Return true if the transmit data register is empty
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*
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****************************************************************************/
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**************************************************************************************************/
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static bool up_txready(struct uart_dev_s *dev)
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{
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@ -1648,7 +1659,7 @@ static bool up_txready(struct uart_dev_s *dev)
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return ((up_serialin(priv, STM32_USART_ISR_OFFSET) & USART_ISR_TXE) != 0);
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}
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/****************************************************************************
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/**************************************************************************************************
|
||||
* Name: up_pm_notify
|
||||
*
|
||||
* Description:
|
||||
@ -1668,7 +1679,7 @@ static bool up_txready(struct uart_dev_s *dev)
|
||||
* consumption state when when it returned OK to the prepare() call.
|
||||
*
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static void up_pm_notify(struct pm_callback_s *cb, int domain,
|
||||
@ -1679,39 +1690,37 @@ static void up_pm_notify(struct pm_callback_s *cb, int domain,
|
||||
case(PM_NORMAL):
|
||||
{
|
||||
/* Logic for PM_NORMAL goes here */
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
case(PM_IDLE):
|
||||
{
|
||||
/* Logic for PM_IDLE goes here */
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
case(PM_STANDBY):
|
||||
{
|
||||
/* Logic for PM_STANDBY goes here */
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
case(PM_SLEEP):
|
||||
{
|
||||
/* Logic for PM_SLEEP goes here */
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
|
||||
/* Should not get here */
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: up_pm_prepare
|
||||
*
|
||||
* Description:
|
||||
@ -1742,7 +1751,7 @@ static void up_pm_notify(struct pm_callback_s *cb, int domain,
|
||||
* return non-zero values when reverting back to higher power
|
||||
* consumption modes!
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int up_pm_prepare(struct pm_callback_s *cb, int domain,
|
||||
@ -1756,19 +1765,19 @@ static int up_pm_prepare(struct pm_callback_s *cb, int domain,
|
||||
#endif /* HAVE_UART */
|
||||
#endif /* USE_SERIALDRIVER */
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
#ifdef USE_SERIALDRIVER
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: stm32_serial_get_uart
|
||||
*
|
||||
* Description:
|
||||
* Get serial driver structure for STM32 USART
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
FAR uart_dev_t *stm32_serial_get_uart(int uart_num)
|
||||
{
|
||||
@ -1787,7 +1796,7 @@ FAR uart_dev_t *stm32_serial_get_uart(int uart_num)
|
||||
return &g_uart_devs[uart_idx]->dev;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: arm_earlyserialinit
|
||||
*
|
||||
* Description:
|
||||
@ -1795,7 +1804,7 @@ FAR uart_dev_t *stm32_serial_get_uart(int uart_num)
|
||||
* serial console will be available during bootup. This must be called
|
||||
* before arm_serialinit.
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
#ifdef USE_EARLYSERIALINIT
|
||||
void arm_earlyserialinit(void)
|
||||
@ -1822,14 +1831,14 @@ void arm_earlyserialinit(void)
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: arm_serialinit
|
||||
*
|
||||
* Description:
|
||||
* Register serial console and serial ports. This assumes
|
||||
* that arm_earlyserialinit was called previously.
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
void arm_serialinit(void)
|
||||
{
|
||||
@ -1895,13 +1904,13 @@ void arm_serialinit(void)
|
||||
#endif /* HAVE UART */
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: up_putc
|
||||
*
|
||||
* Description:
|
||||
* Provide priority, low-level access to support OS debug writes
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
int up_putc(int ch)
|
||||
{
|
||||
@ -1929,13 +1938,13 @@ int up_putc(int ch)
|
||||
|
||||
#else /* USE_SERIALDRIVER */
|
||||
|
||||
/****************************************************************************
|
||||
/**************************************************************************************************
|
||||
* Name: up_putc
|
||||
*
|
||||
* Description:
|
||||
* Provide priority, low-level access to support OS debug writes
|
||||
*
|
||||
****************************************************************************/
|
||||
**************************************************************************************************/
|
||||
|
||||
int up_putc(int ch)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user