serial.c File Reference

#include "mos/device/serial.h"
#include <mos/mos_global.h>
#include <mos/syslog/printk.h>

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Enumerations
enum	serial_modem_status_t {   MODEM_DCTS = 1 << 0 , MODEM_DDSR = 1 << 1 , MODEM_TERI = 1 << 2 , MODEM_DDCD = 1 << 3 ,   MODEM_CLEAR_TO_SEND = 1 << 4 , MODEM_DATA_SET_READY = 1 << 5 , MODEM_RING_INDICATOR = 1 << 6 , MODEM_DATA_CARRIER_DETECT = 1 << 7 }
enum	serial_modem_control_t {   MODEM_DTR = 1 << 0 , MODEM_RTS = 1 << 1 , MODEM_UNUSED_PIN1 = 1 << 2 , MODEM_IRQ = 1 << 3 ,   MODEM_LOOP = 1 << 4 }
enum	serial_line_status_t {   LINE_DATA_READY = 1 << 0 , LINE_ERR_OVERRUN = 1 << 1 , LINE_ERR_PARITY = 1 << 2 , LINE_ERR_FRAMING = 1 << 3 ,   LINE_ERR_BREAK = 1 << 4 , LINE_TRANSMITR_BUF_EMPTY = 1 << 5 , LINE_TRANSMITR_EMPTY = 1 << 6 , LINE_ERR_IMPENDING = 1 << 7 }

Functions
static void	set_baudrate_divisor (serial_device_t *dev)
static void	set_data_bits (serial_device_t *dev)
static void	set_stop_bits (serial_device_t *dev)
static void	set_parity (serial_device_t *dev, serial_parity_t parity)
static void	serial_set_interrupts (serial_device_t *dev, int interrupts)
static void	serial_set_modem_options (serial_device_t *dev, serial_modem_control_t control, bool enable)
static char	serial_get_line_status (serial_device_t *dev)
static __maybe_unused char	serial_get_modem_status (serial_device_t *dev)
bool	serial_device_setup (serial_device_t *device)
bool	serial_dev_get_data_ready (serial_device_t *device)
static void	serial_dev_wait_ready_to_read (serial_device_t *device)
static void	serial_dev_wait_ready_to_write (serial_device_t *device)
int	serial_device_write (serial_device_t *device, const char *data, size_t length)
int	serial_device_read (serial_device_t *device, char *data, size_t length)

Enumeration Type Documentation

serial_modem_status_t

enum serial_modem_status_t

Enumerator
MODEM_DCTS
MODEM_DDSR
MODEM_TERI
MODEM_DDCD
MODEM_CLEAR_TO_SEND
MODEM_DATA_SET_READY
MODEM_RING_INDICATOR
MODEM_DATA_CARRIER_DETECT

Definition at line 8 of file serial.c.

serial_modem_control_t

enum serial_modem_control_t

Enumerator
MODEM_DTR
MODEM_RTS
MODEM_UNUSED_PIN1
MODEM_IRQ
MODEM_LOOP

Definition at line 20 of file serial.c.

serial_line_status_t

enum serial_line_status_t

Enumerator
LINE_DATA_READY
LINE_ERR_OVERRUN
LINE_ERR_PARITY
LINE_ERR_FRAMING
LINE_ERR_BREAK
LINE_TRANSMITR_BUF_EMPTY
LINE_TRANSMITR_EMPTY
LINE_ERR_IMPENDING

Definition at line 29 of file serial.c.

Function Documentation

set_baudrate_divisor()

static void set_baudrate_divisor ( serial_device_t * dev )

static

Definition at line 41 of file serial.c.

Referenced by serial_device_setup().

set_data_bits()

static void set_data_bits ( serial_device_t * dev )

static

Definition at line 60 of file serial.c.

Referenced by serial_device_setup().

set_stop_bits()

static void set_stop_bits ( serial_device_t * dev )

static

Definition at line 67 of file serial.c.

Referenced by serial_device_setup().

set_parity()

static void set_parity ( serial_device_t * dev, serial_parity_t parity )

static

Definition at line 74 of file serial.c.

Referenced by serial_device_setup().

serial_set_interrupts()

static void serial_set_interrupts ( serial_device_t * dev, int interrupts )

static

Definition at line 81 of file serial.c.

Referenced by serial_device_setup().

serial_set_modem_options()

static void serial_set_modem_options ( serial_device_t * dev, serial_modem_control_t control, bool enable )

static

Definition at line 88 of file serial.c.

Referenced by serial_device_setup().

serial_get_line_status()

static char serial_get_line_status ( serial_device_t * dev )

static

Definition at line 102 of file serial.c.

Referenced by serial_dev_get_data_ready(), and serial_dev_wait_ready_to_write().

serial_get_modem_status()

static __maybe_unused char serial_get_modem_status ( serial_device_t * dev )

static

Definition at line 107 of file serial.c.

serial_device_setup()

bool serial_device_setup

(

serial_device_t *

device

)

Definition at line 112 of file serial.c.

Referenced by serial_console_setup().

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serial_dev_get_data_ready()

bool serial_dev_get_data_ready

(

serial_device_t *

device

)

Definition at line 141 of file serial.c.

Referenced by serial_console_irq_handler(), and serial_dev_wait_ready_to_read().

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serial_dev_wait_ready_to_read()

static void serial_dev_wait_ready_to_read ( serial_device_t * device )

static

Definition at line 146 of file serial.c.

Referenced by serial_device_read().

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serial_dev_wait_ready_to_write()

static void serial_dev_wait_ready_to_write ( serial_device_t * device )

static

Definition at line 152 of file serial.c.

Referenced by serial_device_write().

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serial_device_write()

int serial_device_write	(	serial_device_t *	device,
		const char *	data,
		size_t	length )

Definition at line 158 of file serial.c.

Referenced by serial_console_clear(), serial_console_irq_handler(), serial_console_set_color(), serial_console_write(), and serial_device_setup().

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serial_device_read()

int serial_device_read	(	serial_device_t *	device,
		char *	data,
		size_t	length )

Definition at line 169 of file serial.c.

Referenced by serial_console_irq_handler(), and serial_device_setup().

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