ACDC_USART.c File Reference

Implentation of UART/USART Tx/Rx functions. More...

#include "ACDC_USART.h"
#include "ACDC_GPIO.h"

Functions
void	USART_Init (USART_TypeDef *USARTx, SerialSpeed Serial_x, bool useUART)
	Initilizes the USARTx peripheral at the serial speed Serial_x, and the default.
void	USART_ChangeSerialSpeed (USART_TypeDef *USARTx, SerialSpeed Serial_x)
	Changes the Serial speed of the USART.
void	USART_SendChar (USART_TypeDef *USARTx, char chr)
	Sends a single character over UART/USART (BLOCKING)
void	USART_SendString (USART_TypeDef *USARTx, const char *str)
	Sends the string str over UART/USART. (Will automatically append "\r\n" to the transmision (BLOCKING))
char	USART_RecieveChar (const USART_TypeDef *USARTx)
	Recieves a single character from UART/USART (BLOCKING)
void	USART_RecieveString (const USART_TypeDef *USARTx, char *buffer, uint16_t bufferLen)
	Recieves a string from UART/USART and stops when "\n\r" is recieved or the buffer is full. (BLOCKING)
bool	USART_HasDataToRecieve (const USART_TypeDef *USARTx)
	Checks if there is data available in the USART recieve buffer.

Detailed Description

Implentation of UART/USART Tx/Rx functions.

Author

Devin Marx

Version

0.2

Date

2024-01-21

Copyright

Copyright (c) 2023-2024

Function Documentation

USART_ChangeSerialSpeed()

void USART_ChangeSerialSpeed	(	USART_TypeDef *	USARTx,
		SerialSpeed	Serial_x )

Changes the Serial speed of the USART.

Parameters

USARTx	USART Peripheral (Ex. USART1, USART2, ...)
Serial_x	Tx/Rx speed of the USART peripheral (Ex. Serial_115200, Serial_9600, ...)

USART_HasDataToRecieve()

bool USART_HasDataToRecieve

(

const USART_TypeDef *

USARTx

)

Checks if there is data available in the USART recieve buffer.

Parameters

USARTx

USART Peripheral (Ex. USART1, USART2, ...)

Returns

True if there is data available to recieve, false otherwise.

USART_Init()

void USART_Init	(	USART_TypeDef *	USARTx,
		SerialSpeed	Serial_x,
		bool	useUART )

Initilizes the USARTx peripheral at the serial speed Serial_x, and the default.

Parameters

USARTx	USART Peripheral (Ex. USART1, USART2, ...)
Serial_x	Tx/Rx speed of the USART peripheral (Ex. Serial_115200, Serial_9600, ...)
SystemClockSpeed	true if you want UART, false if you want USART

USART_RecieveChar()

char USART_RecieveChar

(

const USART_TypeDef *

USARTx

)

Recieves a single character from UART/USART (BLOCKING)

Parameters

USARTx

USART Peripheral (Ex. USART1, USART2, ...)

Returns

Character recieved over UART/USART

USART_RecieveString()

void USART_RecieveString	(	const USART_TypeDef *	USARTx,
		char *	buffer,
		uint16_t	bufferLen )

Recieves a string from UART/USART and stops when "\n\r" is recieved or the buffer is full. (BLOCKING)

Parameters

USARTx	USART Peripheral (Ex. USART1, USART2, ...)
buffer	Buffer to store the recieved string
bufferLen	Maximum length of the buffer

USART_SendChar()

void USART_SendChar	(	USART_TypeDef *	USARTx,
		char	chr )

Sends a single character over UART/USART (BLOCKING)

Parameters

USARTx	USART Peripheral (Ex. USART1, USART2, ...)
chr	Signular character to send over UART/USART

USART_SendString()

void USART_SendString	(	USART_TypeDef *	USARTx,
		const char *	str )

Sends the string str over UART/USART. (Will automatically append "\r\n" to the transmision (BLOCKING))

Parameters

USARTx	USART Peripheral (Ex. USART1, USART2, ...)
str	String to send over UART/USART