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Diffstat (limited to 'nuttx/arch/arm/src/lpc214x/lpc214x_serial.c')
-rw-r--r--nuttx/arch/arm/src/lpc214x/lpc214x_serial.c97
1 files changed, 50 insertions, 47 deletions
diff --git a/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c b/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
index 74f853830..f18af4fe0 100644
--- a/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
+++ b/nuttx/arch/arm/src/lpc214x/lpc214x_serial.c
@@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/lpc214x/lpc214x_serial.c
*
- * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,10 @@
****************************************************************************/
#include <nuttx/config.h>
+
#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
#include <unistd.h>
#include <semaphore.h>
#include <string.h>
@@ -68,32 +71,32 @@
struct up_dev_s
{
- uint32 uartbase; /* Base address of UART registers */
- uint32 baud; /* Configured baud */
- ubyte ier; /* Saved IER value */
- ubyte irq; /* IRQ associated with this UART */
- ubyte parity; /* 0=none, 1=odd, 2=even */
- ubyte bits; /* Number of bits (7 or 8) */
- boolean stopbits2; /* TRUE: Configure with 2 stop bits instead of 1 */
+ uint32_t uartbase; /* Base address of UART registers */
+ uint32_t baud; /* Configured baud */
+ uint8_t ier; /* Saved IER value */
+ uint8_t irq; /* IRQ associated with this UART */
+ uint8_t parity; /* 0=none, 1=odd, 2=even */
+ uint8_t bits; /* Number of bits (7 or 8) */
+ bool stopbits2; /* true: Configure with 2 stop bits instead of 1 */
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
-static int up_setup(struct uart_dev_s *dev);
-static void up_shutdown(struct uart_dev_s *dev);
-static int up_attach(struct uart_dev_s *dev);
-static void up_detach(struct uart_dev_s *dev);
-static int up_interrupt(int irq, void *context);
-static int up_ioctl(struct file *filep, int cmd, unsigned long arg);
-static int up_receive(struct uart_dev_s *dev, uint32 *status);
-static void up_rxint(struct uart_dev_s *dev, boolean enable);
-static boolean up_rxavailable(struct uart_dev_s *dev);
-static void up_send(struct uart_dev_s *dev, int ch);
-static void up_txint(struct uart_dev_s *dev, boolean enable);
-static boolean up_txready(struct uart_dev_s *dev);
-static boolean up_txempty(struct uart_dev_s *dev);
+static int up_setup(struct uart_dev_s *dev);
+static void up_shutdown(struct uart_dev_s *dev);
+static int up_attach(struct uart_dev_s *dev);
+static void up_detach(struct uart_dev_s *dev);
+static int up_interrupt(int irq, void *context);
+static int up_ioctl(struct file *filep, int cmd, unsigned long arg);
+static int up_receive(struct uart_dev_s *dev, uint32_t *status);
+static void up_rxint(struct uart_dev_s *dev, bool enable);
+static bool up_rxavailable(struct uart_dev_s *dev);
+static void up_send(struct uart_dev_s *dev, int ch);
+static void up_txint(struct uart_dev_s *dev, bool enable);
+static bool up_txready(struct uart_dev_s *dev);
+static bool up_txempty(struct uart_dev_s *dev);
/****************************************************************************
* Private Variables
@@ -200,7 +203,7 @@ static uart_dev_t g_uart1port =
* Name: up_serialin
****************************************************************************/
-static inline ubyte up_serialin(struct up_dev_s *priv, int offset)
+static inline uint8_t up_serialin(struct up_dev_s *priv, int offset)
{
return getreg8(priv->uartbase + offset);
}
@@ -209,7 +212,7 @@ static inline ubyte up_serialin(struct up_dev_s *priv, int offset)
* Name: up_serialout
****************************************************************************/
-static inline void up_serialout(struct up_dev_s *priv, int offset, ubyte value)
+static inline void up_serialout(struct up_dev_s *priv, int offset, uint8_t value)
{
putreg8(value, priv->uartbase + offset);
}
@@ -218,7 +221,7 @@ static inline void up_serialout(struct up_dev_s *priv, int offset, ubyte value)
* Name: up_disableuartint
****************************************************************************/
-static inline void up_disableuartint(struct up_dev_s *priv, ubyte *ier)
+static inline void up_disableuartint(struct up_dev_s *priv, uint8_t *ier)
{
if (ier)
{
@@ -233,7 +236,7 @@ static inline void up_disableuartint(struct up_dev_s *priv, ubyte *ier)
* Name: up_restoreuartint
****************************************************************************/
-static inline void up_restoreuartint(struct up_dev_s *priv, ubyte ier)
+static inline void up_restoreuartint(struct up_dev_s *priv, uint8_t ier)
{
priv->ier |= ier & LPC214X_IER_ALLIE;
up_serialout(priv, LPC214X_UART_IER_OFFSET, priv->ier);
@@ -263,9 +266,9 @@ static inline void up_waittxready(struct up_dev_s *priv)
* Name: up_enablebreaks
****************************************************************************/
-static inline void up_enablebreaks(struct up_dev_s *priv, boolean enable)
+static inline void up_enablebreaks(struct up_dev_s *priv, bool enable)
{
- ubyte lcr = up_serialin(priv, LPC214X_UART_LCR_OFFSET);
+ uint8_t lcr = up_serialin(priv, LPC214X_UART_LCR_OFFSET);
if (enable)
{
lcr |= LPC214X_LCR_BREAK_ENABLE;
@@ -291,8 +294,8 @@ static int up_setup(struct uart_dev_s *dev)
{
#ifndef CONFIG_SUPPRESS_LPC214X_UART_CONFIG
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
- uint16 baud;
- ubyte lcr;
+ uint16_t baud;
+ uint8_t lcr;
/* Clear fifos */
@@ -451,7 +454,7 @@ static int up_interrupt(int irq, void *context)
{
struct uart_dev_s *dev = NULL;
struct up_dev_s *priv;
- ubyte status;
+ uint8_t status;
int passes;
if (g_uart1priv.irq == irq)
@@ -583,7 +586,7 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
case TIOCSBRK: /* BSD compatibility: Turn break on, unconditionally */
{
irqstate_t flags = irqsave();
- up_enablebreaks(priv, TRUE);
+ up_enablebreaks(priv, true);
irqrestore(flags);
}
break;
@@ -592,7 +595,7 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
{
irqstate_t flags;
flags = irqsave();
- up_enablebreaks(priv, FALSE);
+ up_enablebreaks(priv, false);
irqrestore(flags);
}
break;
@@ -616,10 +619,10 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
*
****************************************************************************/
-static int up_receive(struct uart_dev_s *dev, uint32 *status)
+static int up_receive(struct uart_dev_s *dev, uint32_t *status)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
- ubyte rbr;
+ uint8_t rbr;
*status = up_serialin(priv, LPC214X_UART_LSR_OFFSET);
rbr = up_serialin(priv, LPC214X_UART_RBR_OFFSET);
@@ -634,7 +637,7 @@ static int up_receive(struct uart_dev_s *dev, uint32 *status)
*
****************************************************************************/
-static void up_rxint(struct uart_dev_s *dev, boolean enable)
+static void up_rxint(struct uart_dev_s *dev, bool enable)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
if (enable)
@@ -654,11 +657,11 @@ static void up_rxint(struct uart_dev_s *dev, boolean enable)
* Name: up_rxavailable
*
* Description:
- * Return TRUE if the receive fifo is not empty
+ * Return true if the receive fifo is not empty
*
****************************************************************************/
-static boolean up_rxavailable(struct uart_dev_s *dev)
+static bool up_rxavailable(struct uart_dev_s *dev)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
return ((up_serialin(priv, LPC214X_UART_LSR_OFFSET) & LPC214X_LSR_RDR) != 0);
@@ -675,7 +678,7 @@ static boolean up_rxavailable(struct uart_dev_s *dev)
static void up_send(struct uart_dev_s *dev, int ch)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
- up_serialout(priv, LPC214X_UART_THR_OFFSET, (ubyte)ch);
+ up_serialout(priv, LPC214X_UART_THR_OFFSET, (uint8_t)ch);
}
/****************************************************************************
@@ -686,7 +689,7 @@ static void up_send(struct uart_dev_s *dev, int ch)
*
****************************************************************************/
-static void up_txint(struct uart_dev_s *dev, boolean enable)
+static void up_txint(struct uart_dev_s *dev, bool enable)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
if (enable)
@@ -706,11 +709,11 @@ static void up_txint(struct uart_dev_s *dev, boolean enable)
* Name: up_txready
*
* Description:
- * Return TRUE if the tranmsit fifo is not full
+ * Return true if the tranmsit fifo is not full
*
****************************************************************************/
-static boolean up_txready(struct uart_dev_s *dev)
+static bool up_txready(struct uart_dev_s *dev)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
return ((up_serialin(priv, LPC214X_UART_LSR_OFFSET) & LPC214X_LSR_THRE) != 0);
@@ -720,11 +723,11 @@ static boolean up_txready(struct uart_dev_s *dev)
* Name: up_txempty
*
* Description:
- * Return TRUE if the transmit fifo is empty
+ * Return true if the transmit fifo is empty
*
****************************************************************************/
-static boolean up_txempty(struct uart_dev_s *dev)
+static bool up_txempty(struct uart_dev_s *dev)
{
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
return ((up_serialin(priv, LPC214X_UART_LSR_OFFSET) & LPC214X_LSR_THRE) != 0);
@@ -748,7 +751,7 @@ void up_earlyserialinit(void)
{
/* Enable UART0 and 1 */
- uint32 pinsel = getreg32(LPC214X_PINSEL0);
+ uint32_t pinsel = getreg32(LPC214X_PINSEL0);
pinsel &= ~(LPC214X_UART0_PINMASK|LPC214X_UART1_PINMASK);
pinsel |= (LPC214X_UART0_PINSEL|LPC214X_UART1_PINSEL);
putreg32(pinsel, LPC214X_PINSEL0);
@@ -760,7 +763,7 @@ void up_earlyserialinit(void)
/* Configuration whichever one is the console */
- CONSOLE_DEV.isconsole = TRUE;
+ CONSOLE_DEV.isconsole = true;
up_setup(&CONSOLE_DEV);
}
@@ -791,11 +794,11 @@ void up_serialinit(void)
int up_putc(int ch)
{
struct up_dev_s *priv = (struct up_dev_s*)CONSOLE_DEV.priv;
- ubyte ier;
+ uint8_t ier;
up_disableuartint(priv, &ier);
up_waittxready(priv);
- up_serialout(priv, LPC214X_UART_THR_OFFSET, (ubyte)ch);
+ up_serialout(priv, LPC214X_UART_THR_OFFSET, (uint8_t)ch);
/* Check for LF */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 10:28:46 +0000