Simple blinking LED demo program using the lowest 8 bits of the GPIO.output port. More...
#include <neorv32.h>#include <stdbool.h>
Include dependency graph for neorv32_char_loopback.c:
Go to the source code of this file.
Macros | |
| #define | UART1_TX_BUFFER_FULL ((NEORV32_UART1.CTRL & (1 << UART_CTRL_TX_FULL)) != 0) |
User configuration | |
| #define | BAUD_RATE 19200 |
Functions | |
| int | main () |
Variables | |
| char | tmpChar |
| char | loopbackChar |
| bool | charReceived = false |
| int | rx_status |
Detailed Description
Simple blinking LED demo program using the lowest 8 bits of the GPIO.output port.
blink_led/main.c
Definition in file neorv32_char_loopback.c.
Macro Definition Documentation
◆ BAUD_RATE
| #define BAUD_RATE 19200 |
◆ UART1_TX_BUFFER_FULL
| #define UART1_TX_BUFFER_FULL ((NEORV32_UART1.CTRL & (1 << UART_CTRL_TX_FULL)) != 0) |
Definition at line 70 of file neorv32_char_loopback.c.
Function Documentation
◆ main()
| int main | ( | void | ) |
Main function; shows an incrementing 8-bit counter on GPIO.output(7:0).
- Note
- This program requires the GPIO controller to be synthesized (the UART is optional).
- Returns
- 0 if execution was successful
Definition at line 109 of file neorv32_char_loopback.c.
References BAUD_RATE.
Variable Documentation
◆ charReceived
| bool charReceived = false |
Definition at line 75 of file neorv32_char_loopback.c.
◆ loopbackChar
| char loopbackChar |
Definition at line 74 of file neorv32_char_loopback.c.
◆ rx_status
| int rx_status |
Definition at line 76 of file neorv32_char_loopback.c.
◆ tmpChar
| char tmpChar |
Definition at line 73 of file neorv32_char_loopback.c.
