UART

宏定义
#define	UART_CLOCK_FRQ   24000000
#define	UART_L_BAUDRATE   115200UL
#define	UART_BUS_MAX_NUM   UART_BUS_MAX_NUMBER
#define	UART_SHADOW   YES
#define	UART_DLF_SIZE   6
#define	UART_FIFO_ENABLED   YES

函数
void	uart_port_register_hal_funcs (uart_bus_t bus)
	Register hal funcs objects into hal_uart module.
uintptr_t	uart_porting_base_addr_get (uart_bus_t bus)
uint32_t	uart_port_get_clock_value (uart_bus_t bus)
	Get the bus clock of specified uart.
void	uart_port_set_clock_value (uart_bus_t bus, uint32_t clock)
	set the bus clock of specified uart.
void	uart_port_config_pinmux (uart_bus_t bus)
	Config the pinmux of the uarts above.
void	uart_port_register_irq (uart_bus_t bus)
	Register the interrupt of uarts.
void	uart_port_unregister_irq (uart_bus_t bus)
	unRegister the interrupt of uarts.
void	irq_uart0_handler (void)
	Handler of UART0 IRQ.
void	irq_uart1_handler (void)
	Handler of UART1 IRQ.
void	irq_uart2_handler (void)
	Handler of UART2 IRQ.
void	irq_uart3_handler (void)
	Handler of UART3 IRQ.
uint8_t	uart_port_get_dma_trans_dest_handshaking (uart_bus_t bus)
	Get the DMA destination handshaking select of uart transfer.
uint8_t	uart_port_get_dma_trans_src_handshaking (uart_bus_t bus)
	Get the DMA source handshaking select of uart transfer.
void	hal_uart_clear_pending (uart_bus_t uart)
void	uart_port_set_pending_irq (uart_bus_t uart)
	Force trigger uart interrupt.
uint32_t	uart_porting_lock (uart_bus_t bus)
	uart lock.
void	uart_porting_unlock (uart_bus_t bus, uint32_t irq_sts)
	uart unlock.
void	log_uart_port_init (void)
	hso uart init
void	at_uart_init (void)
uint32_t	at_uart_get_rcv_cnt (void)
void	log_uart_port_write (const uint8_t *buffer, uint32_t length)
errcode_t	uart_port_save_bus_id (int32_t dbg_uart_bus, int32_t at_uart_bus, int32_t hso_uart_bus)
void	sw_debug_uart_reinit (uint32_t baud_rate)

变量
const uintptr_t	g_uart_base_addrs [UART_BUS_MAX_NUMBER]
	Base address list for all of the IPs.

详细描述

Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2022-2022. All rights reserved.

Description: Provides uart port template
History:
2022-06-06， Create file.

宏定义说明

UART_BUS_MAX_NUM

#define UART_BUS_MAX_NUM   UART_BUS_MAX_NUMBER

UART_CLOCK_FRQ

#define UART_CLOCK_FRQ   24000000

UART_DLF_SIZE

#define UART_DLF_SIZE   6

UART_FIFO_ENABLED

#define UART_FIFO_ENABLED   YES

UART_L_BAUDRATE

#define UART_L_BAUDRATE   115200UL

UART_SHADOW

#define UART_SHADOW   YES

函数说明

at_uart_get_rcv_cnt()

uint32_t at_uart_get_rcv_cnt

(

void

)

at_uart_init()

void at_uart_init

(

void

)

hal_uart_clear_pending()

void hal_uart_clear_pending

(

uart_bus_t

uart

)

irq_uart0_handler()

void irq_uart0_handler

(

void

)

Handler of UART0 IRQ.

irq_uart1_handler()

void irq_uart1_handler

(

void

)

Handler of UART1 IRQ.

irq_uart2_handler()

void irq_uart2_handler

(

void

)

Handler of UART2 IRQ.

irq_uart3_handler()

void irq_uart3_handler

(

void

)

Handler of UART3 IRQ.

log_uart_port_init()

void log_uart_port_init

(

void

)

hso uart init

参数

void

log_uart_port_write()

void log_uart_port_write	(	const uint8_t *	buffer,
		uint32_t	length
	)

sw_debug_uart_reinit()

void sw_debug_uart_reinit

(

uint32_t

baud_rate

)

uart_port_config_pinmux()

void uart_port_config_pinmux

(

uart_bus_t

bus

)

Config the pinmux of the uarts above.

uart_port_get_clock_value()

uint32_t uart_port_get_clock_value

(

uart_bus_t

bus

)

Get the bus clock of specified uart.

参数

[in]

bus

The uart bus. see uart_bus_t

返回

The bus clock of specified uart.

uart_port_get_dma_trans_dest_handshaking()

uint8_t uart_port_get_dma_trans_dest_handshaking

(

uart_bus_t

bus

)

Get the DMA destination handshaking select of uart transfer.

参数

[in]

bus

The uart bus. see uart_bus_t

返回

The DMA destination handshaking select of uart transfer.

uart_port_get_dma_trans_src_handshaking()

uint8_t uart_port_get_dma_trans_src_handshaking

(

uart_bus_t

bus

)

Get the DMA source handshaking select of uart transfer.

参数

[in]

bus

The uart bus. see uart_bus_t

返回

The DMA source handshaking select of uart transfer.

uart_port_register_hal_funcs()

void uart_port_register_hal_funcs

(

uart_bus_t

bus

)

Register hal funcs objects into hal_uart module.

uart_port_register_irq()

void uart_port_register_irq

(

uart_bus_t

bus

)

Register the interrupt of uarts.

uart_port_save_bus_id()

errcode_t uart_port_save_bus_id	(	int32_t	dbg_uart_bus,
		int32_t	at_uart_bus,
		int32_t	hso_uart_bus
	)

uart_port_set_clock_value()

void uart_port_set_clock_value	(	uart_bus_t	bus,
		uint32_t	clock
	)

set the bus clock of specified uart.

参数

[in]	bus	The uart bus. see uart_bus_t
[in]	clock	The bus clock of specified uart.

uart_port_set_pending_irq()

void uart_port_set_pending_irq

(

uart_bus_t

uart

)

Force trigger uart interrupt.

uart_port_unregister_irq()

void uart_port_unregister_irq

(

uart_bus_t

bus

)

unRegister the interrupt of uarts.

uart_porting_base_addr_get()

uintptr_t uart_porting_base_addr_get

(

uart_bus_t

bus

)

uart_porting_lock()

uint32_t uart_porting_lock

(

uart_bus_t

bus

)

uart lock.

参数

bus

uart bus.

uart_porting_unlock()

void uart_porting_unlock	(	uart_bus_t	bus,
		uint32_t	irq_sts
	)

uart unlock.

参数

bus	uart bus.
irq_sts	irq status.

变量说明

g_uart_base_addrs

const uintptr_t g_uart_base_addrs[UART_BUS_MAX_NUMBER]

extern

Base address list for all of the IPs.