mirror of
https://github.com/apache/nuttx.git
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Restructuring AVR serial drivers
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3693 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -93,27 +93,6 @@ extern "C" {
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EXTERN void up_clkinitialize(void);
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/****************************************************************************
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* Name: usart_reset
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*
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* Description:
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* Reset a USART.
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*
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****************************************************************************/
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EXTERN void usart_reset(uintptr_t usart_base);
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/****************************************************************************
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* Name: usart_configure
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*
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* Description:
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* Configure a USART as a RS-232 UART.
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*
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****************************************************************************/
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void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
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unsigned int nbits, bool stop2);
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/****************************************************************************
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* Name: up_consoleinit
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*
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@@ -1,7 +1,7 @@
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/******************************************************************************
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* arch/avr/src/at90usb/at90usb_lowconsole.c
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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@@ -67,6 +67,59 @@
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# error "No CONFIG_USARTn_SERIAL_CONSOLE Setting"
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#endif
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/* Baud rate settings for normal and double speed settings */
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#define AVR_NORMAL_UBRR1 \
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(((BOARD_CPU_CLOCK / 16) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
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#define AVR_DBLSPEED_UBRR1 \
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(((BOARD_CPU_CLOCK / 8) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
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/* Select normal or double speed baud settings. This is a trade-off between the
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* sampling rate and the accuracy of the divisor for high baud rates.
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*
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* As examples, consider:
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*
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* BOARD_CPU_CLOCK=8MHz and BAUD=115200:
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* AVR_NORMAL_UBRR1 = 4 (rounded), actual baud = 125,000
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* AVR_DBLSPEED_UBRR1 = 9 (rounded), actual baud = 111,111
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*
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* BOARD_CPU_CLOCK=8MHz and BAUD=9600:
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* AVR_NORMAL_UBRR1 = 52 (rounded), actual baud = 9615
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* AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
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*/
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#undef HAVE_DOUBLE_SPEED
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#if BOARD_CPU_CLOCK <= 4000000
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# if CONFIG_USART1_BAUD <= 9600
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define HAVE_DOUBLE_SPEED 1
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# endif
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#elif BOARD_CPU_CLOCK <= 8000000
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# if CONFIG_USART1_BAUD <= 19200
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define HAVE_DOUBLE_SPEED 1
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# endif
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#elif BOARD_CPU_CLOCK <= 12000000
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# if CONFIG_USART1_BAUD <= 28800
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define HAVE_DOUBLE_SPEED 1
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# endif
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#else
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# if CONFIG_USART1_BAUD <= 38400
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define HAVE_DOUBLE_SPEED 1
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# endif
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#endif
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/******************************************************************************
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* Private Types
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******************************************************************************/
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@@ -87,27 +140,12 @@
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* Private Functions
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******************************************************************************/
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/******************************************************************************
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* Name: usart_setbaudrate
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*
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* Description:
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* Configure the USART baud rate.
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*
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******************************************************************************/
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#ifdef HAVE_USART_DEVICE
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static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
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{
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# warning "Missing logic"
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}
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#endif
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/******************************************************************************
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* Public Functions
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******************************************************************************/
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/******************************************************************************
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* Name: usart_reset
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* Name: usart1_reset
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*
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* Description:
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* Reset a USART.
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@@ -115,23 +153,22 @@ static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
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******************************************************************************/
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#ifdef HAVE_USART_DEVICE
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void usart_reset(uintptr_t usart_base)
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void usart1_reset(void)
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{
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# warning "Missing Logic"
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}
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#endif
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/******************************************************************************
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* Name: usart_configure
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* Name: usart1_configure
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*
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* Description:
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* Configure a USART as a RS-232 USART.
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* Configure USART1.
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*
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******************************************************************************/
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#ifdef HAVE_USART_DEVICE
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void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
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unsigned int nbits, bool stop2)
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void usart1_configure(void)
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{
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# warning "Missing Logic"
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}
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@@ -149,7 +186,9 @@ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
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void up_consoleinit(void)
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{
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# warning "Missing Logic"
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#ifdef HAVE_SERIAL_CONSOLE
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usart1_configure();
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#endif
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}
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/******************************************************************************
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@@ -78,85 +78,60 @@
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#ifdef CONFIG_USE_SERIALDRIVER
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/* Which USART with be tty0/console and which tty1? */
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#if defined(CONFIG_USART1_SERIAL_CONSOLE)
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# define CONSOLE_DEV g_usart1port /* USART1 is console */
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# define TTYS0_DEV g_usart1port /* USART1 is ttyS0 */
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#endif
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#define TTYS0_DEV g_usart1port /* USART1 is ttyS0 */
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct up_dev_s
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{
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uintptr_t usartbase; /* Base address of USART registers */
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uint32_t baud; /* Configured baud */
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uint32_t csr; /* Saved channel status register contents */
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uint8_t irq; /* IRQ associated with this USART */
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uint8_t parity; /* 0=none, 1=odd, 2=even */
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uint8_t bits; /* Number of bits (5, 6, 7 or 8) */
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bool stopbits2; /* true: Configure with 2 stop bits instead of 1 */
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int up_setup(struct uart_dev_s *dev);
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static void up_shutdown(struct uart_dev_s *dev);
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static int up_attach(struct uart_dev_s *dev);
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static void up_detach(struct uart_dev_s *dev);
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static int up_interrupt(int irq, void *context);
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static int up_ioctl(struct file *filep, int cmd, unsigned long arg);
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static int up_receive(struct uart_dev_s *dev, uint32_t *status);
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static void up_rxint(struct uart_dev_s *dev, bool enable);
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static bool up_rxavailable(struct uart_dev_s *dev);
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static void up_send(struct uart_dev_s *dev, int ch);
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static void up_txint(struct uart_dev_s *dev, bool enable);
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static bool up_txready(struct uart_dev_s *dev);
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static int usart1_setup(struct uart_dev_s *dev);
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static void usart1_shutdown(struct uart_dev_s *dev);
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static int usart1_attach(struct uart_dev_s *dev);
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static void usart1_detach(struct uart_dev_s *dev);
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static int usart1_interrupt(int irq, void *context);
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static int usart1_ioctl(struct file *filep, int cmd, unsigned long arg);
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static int usart1_receive(struct uart_dev_s *dev, uint32_t *status);
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static void usart1_rxint(struct uart_dev_s *dev, bool enable);
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static bool usart1_rxavailable(struct uart_dev_s *dev);
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static void usart1_send(struct uart_dev_s *dev, int ch);
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static void usart1_txint(struct uart_dev_s *dev, bool enable);
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static bool usart1_txready(struct uart_dev_s *dev);
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/****************************************************************************
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* Private Variables
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****************************************************************************/
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struct uart_ops_s g_uart_ops =
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struct uart_ops_s g_uart1_ops =
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{
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.setup = up_setup,
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.shutdown = up_shutdown,
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.attach = up_attach,
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.detach = up_detach,
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.ioctl = up_ioctl,
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.receive = up_receive,
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.rxint = up_rxint,
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.rxavailable = up_rxavailable,
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.send = up_send,
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.txint = up_txint,
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.txready = up_txready,
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.txempty = up_txready,
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.setup = usart1_setup,
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.shutdown = usart1_shutdown,
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.attach = usart1_attach,
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.detach = usart1_detach,
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.ioctl = usart1_ioctl,
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.receive = usart1_receive,
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.rxint = usart1_rxint,
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.rxavailable = usart1_rxavailable,
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.send = usart1_send,
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.txint = usart1_txint,
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.txready = usart1_txready,
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.txempty = usart1_txready,
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};
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/* I/O buffers */
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#ifdef CONFIG_AVR_USART1_RS232
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static char g_usart1rxbuffer[CONFIG_USART1_RXBUFSIZE];
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static char g_usart1txbuffer[CONFIG_USART1_TXBUFSIZE];
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#endif
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/* This describes the state of the AVR32 USART1 port. */
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/* This describes the state of the AT90USB USART1 port. */
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#ifdef CONFIG_AVR_USART1_RS232
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static struct up_dev_s g_usart1priv =
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{
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.usartbase = AVR_USART1_BASE,
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.baud = CONFIG_USART1_BAUD,
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.irq = AVR_IRQ_USART1,
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.parity = CONFIG_USART1_PARITY,
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.bits = CONFIG_USART1_BITS,
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.stopbits2 = CONFIG_USART1_2STOP,
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};
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static uart_dev_t g_usart1port =
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{
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.recv =
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@@ -169,8 +144,7 @@ static uart_dev_t g_usart1port =
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.size = CONFIG_USART1_TXBUFSIZE,
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.buffer = g_usart1txbuffer,
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},
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.ops = &g_uart_ops,
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.priv = &g_usart1priv,
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.ops = &g_uart1_ops,
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};
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#endif
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@@ -179,43 +153,25 @@ static uart_dev_t g_usart1port =
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****************************************************************************/
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/****************************************************************************
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* Name: up_serialin
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* Name: usart1_restoreusartint
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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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static void usart1_restoreusartint(uint8_t imr)
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{
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# warning "Missing logic"
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}
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/****************************************************************************
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* Name: up_serialout
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* Name: usart1_disableusartint
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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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static inline void usart1_disableusartint(uint8_t *imr)
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{
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# warning "Missing logic"
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}
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/****************************************************************************
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* Name: up_restoreusartint
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****************************************************************************/
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static void up_restoreusartint(struct up_dev_s *priv, uint32_t imr)
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{
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# warning "Missing logic"
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}
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/****************************************************************************
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* Name: up_disableusartint
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****************************************************************************/
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static inline void up_disableusartint(struct up_dev_s *priv, uint32_t *imr)
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{
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# warning "Missing logic"
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}
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/****************************************************************************
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* Name: up_setup
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* Name: usart1_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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@@ -223,22 +179,20 @@ static inline void up_disableusartint(struct up_dev_s *priv, uint32_t *imr)
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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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static int usart1_setup(struct uart_dev_s *dev)
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{
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#ifndef CONFIG_SUPPRESS_UART_CONFIG
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struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
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/* Configure the USART as an RS-232 UART */
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/* Configure the USART1 */
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usart_configure(priv->usartbase, priv->baud, priv->parity,
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priv->bits, priv->stopbits2);
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usart1_configure();
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#endif
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return OK;
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}
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/****************************************************************************
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* Name: up_shutdown
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* Name: usart1_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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@@ -246,17 +200,15 @@ static int up_setup(struct uart_dev_s *dev)
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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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static void usart1_shutdown(struct uart_dev_s *dev)
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{
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struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
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/* Reset, disable interrupts, and disable Rx and Tx */
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usart_reset(priv->usartbase);
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usart1_reset();
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}
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/****************************************************************************
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* Name: up_attach
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* Name: usart1_attach
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*
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* Description:
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* Configure the USART to operation in interrupt driven mode. This method is
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@@ -270,17 +222,17 @@ static void up_shutdown(struct uart_dev_s *dev)
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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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static int usart1_attach(struct uart_dev_s *dev)
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{
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struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
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/* Attach the USART1 IRQs */
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/* Attach the IRQ */
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return irq_attach(priv->irq, up_interrupt);
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return irq_attach(AT90USB_IRQ_U1RX, usart1_interrupt);
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return irq_attach(AT90USB_IRQ_U1DRE, usart1_interrupt);
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return irq_attach(AT90USB_IRQ_U1TX, usart1_interrupt);
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}
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/****************************************************************************
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* Name: up_detach
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* Name: usart1_detach
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*
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* Description:
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* Detach USART interrupts. This method is called when the serial port is
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@@ -289,15 +241,21 @@ static int up_attach(struct uart_dev_s *dev)
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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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static void usart1_detach(struct uart_dev_s *dev)
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{
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struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
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/* Disable USART1 interrupts */
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# warning "Missing logic"
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irq_detach(priv->irq);
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/* Detach USART1 interrupts */
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return irq_deattach(AT90USB_IRQ_U1RX);
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return irq_deattach(AT90USB_IRQ_U1DRE);
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return irq_deattach(AT90USB_IRQ_U1TX);
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}
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/****************************************************************************
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* Name: up_interrupt
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* Name: usart1_interrupt
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*
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* Description:
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* This is the USART interrupt handler. It will be invoked when an
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@@ -308,27 +266,12 @@ static void up_detach(struct uart_dev_s *dev)
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*
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****************************************************************************/
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static int up_interrupt(int irq, void *context)
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static int usart1_interrupt(int irq, void *context)
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{
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struct uart_dev_s *dev = NULL;
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struct up_dev_s *priv;
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uint32_t csr;
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uint8_t csr;
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int passes;
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bool handled;
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#ifdef CONFIG_AVR_USART1_RS232
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if (g_usart1priv.irq == irq)
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{
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dev = &g_usart1port;
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}
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else
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#endif
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{
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PANIC(OSERR_INTERNAL);
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}
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priv = (struct up_dev_s*)dev->priv;
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DEBUGASSERT(priv);
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/* Loop until there are no characters to be transferred or,
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* until we have been looping for a long time.
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*/
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@@ -363,27 +306,17 @@ static int up_interrupt(int irq, void *context)
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}
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/****************************************************************************
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* Name: up_ioctl
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* Name: usart1_ioctl
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||||
*
|
||||
* Description:
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||||
* All ioctl calls will be routed through this method
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||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
|
||||
static int usart1_ioctl(struct file *filep, int cmd, unsigned long arg)
|
||||
{
|
||||
#if 0 /* Reserved for future growth */
|
||||
struct inode *inode;
|
||||
struct uart_dev_s *dev;
|
||||
struct up_dev_s *priv;
|
||||
int ret = OK;
|
||||
|
||||
DEBUGASSERT(filep, filep->f_inode);
|
||||
inode = filep->f_inode;
|
||||
dev = inode->i_private;
|
||||
|
||||
DEBUGASSERT(dev, dev->priv)
|
||||
priv = (struct up_dev_s*)dev->priv;
|
||||
int ret = OK;
|
||||
|
||||
switch (cmd)
|
||||
{
|
||||
@@ -402,7 +335,7 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_receive
|
||||
* Name: usart1_receive
|
||||
*
|
||||
* Description:
|
||||
* Called (usually) from the interrupt level to receive one
|
||||
@@ -411,10 +344,8 @@ 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 int usart1_receive(struct uart_dev_s *dev, uint32_t *status)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
|
||||
/* Get the Rx byte. The USART Rx interrupt flag is cleared by side effect
|
||||
* when reading the received character.
|
||||
*/
|
||||
@@ -435,17 +366,15 @@ static int up_receive(struct uart_dev_s *dev, uint32_t *status)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_rxint
|
||||
* Name: usart1_rxint
|
||||
*
|
||||
* Description:
|
||||
* Call to enable or disable RX interrupts
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void up_rxint(struct uart_dev_s *dev, bool enable)
|
||||
static void usart1_rxint(struct uart_dev_s *dev, bool enable)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
|
||||
if (enable)
|
||||
{
|
||||
/* Receive an interrupt when their is anything in the Rx data register (or an Rx
|
||||
@@ -463,46 +392,43 @@ static void up_rxint(struct uart_dev_s *dev, bool enable)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_rxavailable
|
||||
* Name: usart1_rxavailable
|
||||
*
|
||||
* Description:
|
||||
* Return true if the receive register is not empty
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static bool up_rxavailable(struct uart_dev_s *dev)
|
||||
static bool usart1_rxavailable(struct uart_dev_s *dev)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
# warning "Missing logic"
|
||||
return 0;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_send
|
||||
* Name: usart1_send
|
||||
*
|
||||
* Description:
|
||||
* This method will send one byte on the USART.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void up_send(struct uart_dev_s *dev, int ch)
|
||||
static void usart1_send(struct uart_dev_s *dev, int ch)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
# warning "Missing logic"
|
||||
return 0;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_txint
|
||||
* Name: usart1_txint
|
||||
*
|
||||
* Description:
|
||||
* Call to enable or disable TX interrupts
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void up_txint(struct uart_dev_s *dev, bool enable)
|
||||
static void usart1_txint(struct uart_dev_s *dev, bool enable)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
irqstate_t flags;
|
||||
|
||||
flags = irqsave();
|
||||
@@ -530,16 +456,15 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_txready
|
||||
* Name: usart1_txready
|
||||
*
|
||||
* Description:
|
||||
* Return true if the tranmsit data register is empty
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static bool up_txready(struct uart_dev_s *dev)
|
||||
static bool usart1_txready(struct uart_dev_s *dev)
|
||||
{
|
||||
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||
# warning "Missing logic"
|
||||
return 0;
|
||||
}
|
||||
@@ -554,9 +479,7 @@ static bool up_txready(struct uart_dev_s *dev)
|
||||
* Description:
|
||||
* Performs the low level USART initialization early in debug so that the
|
||||
* serial console will be available during bootup. This must be called
|
||||
* before up_serialinit. NOTE: This function depends on GPIO pin
|
||||
* configuration performed in up_consoleinit() and main clock iniialization
|
||||
* performed in up_clkinitialize().
|
||||
* before up_serialinit.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
@@ -564,16 +487,13 @@ void up_earlyserialinit(void)
|
||||
{
|
||||
/* Disable all USARTS */
|
||||
|
||||
up_disableusartint(TTYS0_DEV.priv, NULL);
|
||||
#ifdef TTYS1_DEV
|
||||
up_disableusartint(TTYS1_DEV.priv, NULL);
|
||||
#endif
|
||||
up_disableusartint(NULL);
|
||||
|
||||
/* Configuration whichever one is the console */
|
||||
|
||||
#ifdef HAVE_SERIAL_CONSOLE
|
||||
CONSOLE_DEV.isconsole = true;
|
||||
up_setup(&CONSOLE_DEV);
|
||||
usart1_setup(&CONSOLE_DEV);
|
||||
#endif
|
||||
}
|
||||
|
||||
@@ -613,8 +533,7 @@ void up_serialinit(void)
|
||||
int up_putc(int ch)
|
||||
{
|
||||
#ifdef HAVE_SERIAL_CONSOLE
|
||||
struct up_dev_s *priv = (struct up_dev_s*)CONSOLE_DEV.priv;
|
||||
uint32_t imr;
|
||||
uint8_t imr;
|
||||
|
||||
up_disableusartint(priv, &imr);
|
||||
|
||||
|
||||
@@ -94,25 +94,26 @@ extern "C" {
|
||||
EXTERN void up_clkinitialize(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usart_reset
|
||||
* Name: usart0_reset and usart1_reset
|
||||
*
|
||||
* Description:
|
||||
* Reset a USART.
|
||||
* Reset USART0 or USART1.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void usart_reset(uintptr_t usart_base);
|
||||
EXTERN void usart0_reset(void);
|
||||
EXTERN void usart1_reset(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usart_configure
|
||||
* Name: usart0_configure and usart1_configure
|
||||
*
|
||||
* Description:
|
||||
* Configure a USART as a RS-232 UART.
|
||||
* Configure USART0 or USART1.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
|
||||
unsigned int nbits, bool stop2);
|
||||
EXTERN void usart0_configure(void);
|
||||
EXTERN void usart1_configure(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_consoleinit
|
||||
|
||||
@@ -92,51 +92,49 @@
|
||||
* Private Functions
|
||||
******************************************************************************/
|
||||
|
||||
/******************************************************************************
|
||||
* Name: usart_setbaudrate
|
||||
*
|
||||
* Description:
|
||||
* Configure the USART baud rate.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
#ifdef HAVE_USART_DEVICE
|
||||
static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
}
|
||||
#endif
|
||||
|
||||
/******************************************************************************
|
||||
* Public Functions
|
||||
******************************************************************************/
|
||||
|
||||
/******************************************************************************
|
||||
* Name: usart_reset
|
||||
/****************************************************************************
|
||||
* Name: usart0_reset and usart1_reset
|
||||
*
|
||||
* Description:
|
||||
* Reset a USART.
|
||||
* Reset USART0 or USART1.
|
||||
*
|
||||
******************************************************************************/
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef HAVE_USART_DEVICE
|
||||
void usart_reset(uintptr_t usart_base)
|
||||
#ifdef CONFIG_ATMEGA_USART0
|
||||
void usart0_reset(void)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
}
|
||||
#endif
|
||||
|
||||
/******************************************************************************
|
||||
* Name: usart_configure
|
||||
#ifdef CONFIG_ATMEGA_USART1
|
||||
void usart1_reset(void)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usart0_configure and usart1_configure
|
||||
*
|
||||
* Description:
|
||||
* Configure a USART as a RS-232 USART.
|
||||
* Configure USART0 or USART1.
|
||||
*
|
||||
******************************************************************************/
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef HAVE_USART_DEVICE
|
||||
void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
|
||||
unsigned int nbits, bool stop2)
|
||||
#ifdef CONFIG_AVR_USART0
|
||||
void usart0_configure(void)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_AVR_USART1
|
||||
void usart1_configure(void)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
}
|
||||
@@ -154,7 +152,13 @@ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
|
||||
|
||||
void up_consoleinit(void)
|
||||
{
|
||||
# warning "Missing logic"
|
||||
#ifdef HAVE_SERIAL_CONSOLE
|
||||
# if defined(CONFIG_USART0_SERIAL_CONSOLE)
|
||||
usart0_configure();
|
||||
# elif defined(CONFIG_USART1_SERIAL_CONSOLE)
|
||||
usart1_configure();
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/******************************************************************************
|
||||
@@ -168,7 +172,11 @@ void up_consoleinit(void)
|
||||
void up_lowputc(char ch)
|
||||
{
|
||||
#ifdef HAVE_SERIAL_CONSOLE
|
||||
# warning "Missing logic"
|
||||
# if defined(CONFIG_USART0_SERIAL_CONSOLE)
|
||||
# warning "Missing logic"
|
||||
# elif defined(CONFIG_USART1_SERIAL_CONSOLE)
|
||||
# warning "Missing logic"
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
+371
-175
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user