uart_arch.c File Reference

Handling of UART hardware for lpc21xx. More...

#include "mcu_periph/uart.h"
#include "armVIC.h"

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Functions
static void	uart_disable_interrupts (struct uart_periph *p)
static void	uart_enable_interrupts (struct uart_periph *p)
static void	uart_set_baudrate (struct uart_periph *p, uint32_t baud)
void	uart_periph_set_baudrate (struct uart_periph *p, uint32_t baud)
	Set baudrate. More...
void	uart_periph_set_bits_stop_parity (struct uart_periph *p, uint8_t bits, uint8_t stop, uint8_t parity)
	Set parity and stop bits. More...
void	uart_put_byte (struct uart_periph *p, long fd, uint8_t data)
	Uart transmit implementation. More...
static void	uart_ISR (struct uart_periph *p)

Detailed Description

Handling of UART hardware for lpc21xx.

Definition in file uart_arch.c.

Function Documentation

static void uart_disable_interrupts ( struct uart_periph *  p )

inlinestatic

Definition at line 34 of file uart_arch.c.

References uart_periph::reg_addr.

Referenced by uart_periph_set_baudrate().

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static void uart_enable_interrupts ( struct uart_periph *  p )

inlinestatic

Definition at line 43 of file uart_arch.c.

References uart_periph::reg_addr, and UIER_ERBFI.

Referenced by uart_periph_set_baudrate().

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static void uart_ISR ( struct uart_periph *  p )

inlinestatic

Definition at line 114 of file uart_arch.c.

References uart_periph::reg_addr, uart_periph::rx_buf, uart_periph::rx_extract_idx, uart_periph::rx_insert_idx, uart_periph::tx_buf, uart_periph::tx_extract_idx, uart_periph::tx_insert_idx, uart_periph::tx_running, UART_RX_BUFFER_SIZE, UART_TX_BUFFER_SIZE, UIIR_CTI_INT, UIIR_ID_MASK, UIIR_NO_INT, UIIR_RDA_INT, UIIR_RLS_INT, UIIR_THRE_INT, ULSR_RDR, and ULSR_THRE.

void uart_periph_set_baudrate	(	struct uart_periph *	p,
		uint32_t	baud
	)

Set baudrate.

Definition at line 70 of file uart_arch.c.

References uart_disable_interrupts(), uart_enable_interrupts(), and uart_set_baudrate().

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void uart_periph_set_bits_stop_parity	(	struct uart_periph *	p,
		uint8_t	bits,
		uint8_t	stop,
		uint8_t	parity
	)

Set parity and stop bits.

Definition at line 77 of file uart_arch.c.

void uart_put_byte	(	struct uart_periph *	p,
		long	fd,
		uint8_t	data
	)

Uart transmit implementation.

Definition at line 83 of file uart_arch.c.

References disableIRQ(), uart_periph::reg_addr, restoreIRQ(), uart_periph::tx_buf, uart_periph::tx_extract_idx, uart_periph::tx_insert_idx, uart_periph::tx_running, UART_TX_BUFFER_SIZE, and UIER_ETBEI.

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static void uart_set_baudrate ( struct uart_periph *  p, uint32_t  baud  )

inlinestatic

Definition at line 49 of file uart_arch.c.

References uart_periph::baudrate, PCLK, uart_periph::reg_addr, UART_8N1, UART_FIFO_8, and ULCR_DLAB_ENABLE.

Referenced by uart_periph_set_baudrate().

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