UART HAL

Hardware abstraction layer of the UART peripheral. This is compatible with both nrf51 and nRF52 SoCs. More...

Macros
#define	UART_USED   HAL_UART_PERIPH_USED
#define	LINE_END   '\n'

Enumerations
enum	hal_uart_baud_t {   HAL_UART_BAUD_1200 = (0x0004F000UL), HAL_UART_BAUD_2400 = (0x0009D000UL), HAL_UART_BAUD_4800 = (0x0013B000UL), HAL_UART_BAUD_9600 = (0x00275000UL),   HAL_UART_BAUD_14400 = (0x003AF000UL), HAL_UART_BAUD_19200 = (0x004EA000UL), HAL_UART_BAUD_28800 = (0x0075C000UL), HAL_UART_BAUD_38400 = (0x009D0000UL),   HAL_UART_BAUD_57600 = (0x00EB0000UL), HAL_UART_BAUD_76800 = (0x013A9000UL), HAL_UART_BAUD_115200 = (0x01D60000UL), HAL_UART_BAUD_230400 = (0x03B00000UL),   HAL_UART_BAUD_250000 = (0x04000000UL), HAL_UART_BAUD_460800 = (0x07400000UL), HAL_UART_BAUD_921600 = (0x0F000000UL), HAL_UART_BAUD_1M = (0x10000000UL) }

Functions
void	hal_uart_init (hal_uart_baud_t baud, void(*handler)(uint8_t *ptr))
void	hal_uart_putchar (uint8_t cr)
	Send a single character through UART This function is used by printf_callback so that printf can be used. More...

Detailed Description

Macro Definition Documentation

LINE_END

#define LINE_END   '\n'

The character that is checked by rx_collect to determine if a line of characters is received

Definition at line 47 of file hal_uart.h.

UART_USED

#define UART_USED   HAL_UART_PERIPH_USED

Specify which TWIM peripheral is used for this HAL module

Definition at line 44 of file hal_uart.h.

Enumeration Type Documentation

hal_uart_baud_t

enum hal_uart_baud_t

Defines to specify the baudrate options for the uart data transfer

Enumerator
HAL_UART_BAUD_1200	Uart baud rate of 1200.
HAL_UART_BAUD_2400	Uart baud rate of 2400.
HAL_UART_BAUD_4800	Uart baud rate of 4800.
HAL_UART_BAUD_9600	Uart baud rate of 9600.
HAL_UART_BAUD_14400	Uart baud rate of 14400.
HAL_UART_BAUD_19200	Uart baud rate of 19200.
HAL_UART_BAUD_28800	Uart baud rate of 28800.
HAL_UART_BAUD_38400	Uart baud rate of 38400.
HAL_UART_BAUD_57600	Uart baud rate of 57600.
HAL_UART_BAUD_76800	Uart baud rate of 76800.
HAL_UART_BAUD_115200	Uart baud rate of 115200.
HAL_UART_BAUD_230400	Uart baud rate of 230400.
HAL_UART_BAUD_250000	Uart baud rate of 250000.
HAL_UART_BAUD_460800	Uart baud rate of 460800.
HAL_UART_BAUD_921600	Uart baud rate of 921600.
HAL_UART_BAUD_1M	Uart baud rate of 1M.

Definition at line 52 of file hal_uart.h.

Function Documentation

hal_uart_init()

void hal_uart_init	(	hal_uart_baud_t	baud,
		void(*)(uint8_t *ptr)	handler
	)

Function to initialize the parameters of UART based on the configurations in boards.h

Parameters

baud	The baud rate of operation for the UART module
handler	The handler which is called with a pointer to the data received on UART reception. If NULL, the UART reception is disabled

(UARTE_CONFIG_HWFC_Disabled << UARTE_CONFIG_HWFC_Pos) | (UARTE_CONFIG_PARITY_Excluded << UARTE_CONFIG_PARITY_Pos)

Definition at line 145 of file hal_uart.c.

Referenced by main().

hal_uart_putchar()

void hal_uart_putchar

(

uint8_t

cr

)

Parameters

cr	The character to be sent

Definition at line 115 of file hal_uart.c.