Test that ASC can communicate with GPIOs. More...

#include <stdbool.h>
#include <neorv32.h>
#include "asc_exception.h"
#include "ascii_serial_com.h"
#include "ascii_serial_com_device.h"
#include "ascii_serial_com_register_pointers.h"
#include "circular_buffer.h"
#include "millisec_timer.h"

Include dependency graph for neorv32_asc_pulse_counter.c:

Go to the source code of this file.

Macros
#define	BAUD_RATE 19200

#define	UART1_TX_BUFFER_FULL ((NEORV32_UART1.CTRL & (1 << UART_CTRL_TX_FULL)) != 0)

#define	nRegs 6

Functions
	DECLARE_ASC_DEVICE_W_REGISTER_POINTERS () uint8_t tmp_byte

int	main ()

Variables
CEXCEPTION_T	e

uint16_t	nExceptions

volatile REGTYPE *	register_map [nRegs]
	Register Map.

REGTYPE	register_write_masks [nRegs]
	Write masks for register_map.

int	rx_status

Detailed Description

Test that ASC can communicate with GPIOs.

Register map is documented at register_map

Definition in file neorv32_asc_pulse_counter.c.

Macro Definition Documentation

◆ BAUD_RATE

#define BAUD_RATE 19200

Definition at line 27 of file neorv32_asc_pulse_counter.c.

◆ nRegs

#define nRegs 6

Definition at line 34 of file neorv32_asc_pulse_counter.c.

◆ UART1_TX_BUFFER_FULL

#define UART1_TX_BUFFER_FULL ((NEORV32_UART1.CTRL & (1 << UART_CTRL_TX_FULL)) != 0)

Definition at line 28 of file neorv32_asc_pulse_counter.c.

Function Documentation

◆ DECLARE_ASC_DEVICE_W_REGISTER_POINTERS()

DECLARE_ASC_DEVICE_W_REGISTER_POINTERS ( )

Definition at line 155 of file stm32f091nucleo64_adc_streaming.c.

◆ main()

int main ( void )

Definition at line 80 of file neorv32_asc_pulse_counter.c.

Variable Documentation

◆ e

CEXCEPTION_T e

Definition at line 31 of file neorv32_asc_pulse_counter.c.

◆ nExceptions

uint16_t nExceptions

Definition at line 32 of file neorv32_asc_pulse_counter.c.

◆ register_map

volatile REGTYPE* register_map[nRegs]

Initial value:

= {
    &NEORV32_GPIO.OUTPUT_LO,
    &NEORV32_GPIO.OUTPUT_HI,
    &NEORV32_GPIO.INPUT_LO,
    &NEORV32_GPIO.INPUT_HI,
    0x71000000,
    0x71000004,
}

Register Map.

Register Map

Register Number	Description	r/w
0	GPIO output (lower 32 bits)	r/w
1	GPIO output (upper 32 bits)	r/w
2	GPIO input (lower 32 bits)	r
3	GPIO input (upper 32 bits)	r
4	Pulse counter count	r
5	Pulse counter CSR*	r/w

Pulse counter CSR:

Bit 0: enable Bit 1: reset

See also: register_write_masks

Definition at line 57 of file neorv32_asc_pulse_counter.c.

◆ register_write_masks

REGTYPE register_write_masks[nRegs]

Initial value:

= {
    0xFFFFFFFF, 0xFFFFFFFF, 0, 0, 0, 0x3,
}

Write masks for register_map.

These define whether the given register in register_map is writable or not

Definition at line 71 of file neorv32_asc_pulse_counter.c.

◆ rx_status

int rx_status

Definition at line 78 of file neorv32_asc_pulse_counter.c.

Macros

Functions

Variables