uart.c File Reference

this file contains the code implementation of UART interface initialization function and medium capacity transmission protocol transceiver function. More...

#include "uart.h"
#include "config.h"
#include "gd32f1x0.h"
#include "system.h"

Go to the source code of this file.

Functions
void	mdtp_receive_handler (unsigned char data)
	medium capacity data transmission protocol unpacking handler More...
void	mdtp_data_transmit (unsigned char pid, const unsigned char *buffer)
	medium capacity data transmission protocol packing function More...
void	uart_config (void)
	configure uart0 periph and its gpios More...

Variables
static volatile unsigned char	mdtp_receive_status = 0
	medium capacity transport protocol receive state variable 0 idle state and waiting for start of package 1 receive status trying to receive a complete packet. 2 end status processing the received data More...
static volatile unsigned char	mdtp_receive_number_counter = 0
	medium capacity transport protocol receive character counter More...
static unsigned char	mdtp_receive_data_buffer [10] = {0}
	medium capacity transport protocol receive buffer array More...

Detailed Description

this file contains the code implementation of UART interface initialization function and medium capacity transmission protocol transceiver function.

Author

Lao·Zhu

Version

V1.0.2

Date

29. October 2021

Definition in file uart.c.

Function Documentation

mdtp_data_transmit()

void mdtp_data_transmit	(	unsigned char	pid,
		const unsigned char *	buffer
	)

medium capacity data transmission protocol packing function

Parameters

[in]	pid	medium capacity transport protocol package id
[in]	buffer	transmit data array of size 8 bytes

Definition at line 113 of file uart.c.

References uart_sendbyte.

Referenced by report_angle_speed(), and report_local_variable().

mdtp_receive_handler()

void mdtp_receive_handler

(

unsigned char

data

)

medium capacity data transmission protocol unpacking handler

Parameters

[in]

data

data received from UART peripheral

Definition at line 36 of file uart.c.

References mdtp_callback_handler(), mdtp_receive_data_buffer, mdtp_receive_number_counter, mdtp_receive_status, and user_memset().

Referenced by USART0_IRQHandler().

uart_config()

void uart_config

(

void

)

configure uart0 periph and its gpios

Definition at line 143 of file uart.c.

References UART_BAUDRATE, and UART_PRIORITY.

Referenced by main().

Variable Documentation

mdtp_receive_data_buffer

unsigned char mdtp_receive_data_buffer[10] = {0}

static

medium capacity transport protocol receive buffer array

Definition at line 30 of file uart.c.

Referenced by mdtp_receive_handler().

mdtp_receive_number_counter

volatile unsigned char mdtp_receive_number_counter = 0

static

medium capacity transport protocol receive character counter

Definition at line 26 of file uart.c.

Referenced by mdtp_receive_handler().

mdtp_receive_status

volatile unsigned char mdtp_receive_status = 0

static

medium capacity transport protocol receive state variable 0 idle state and waiting for start of package
1 receive status trying to receive a complete packet.
2 end status processing the received data

Definition at line 22 of file uart.c.

Referenced by mdtp_receive_handler().