riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

boards/cpu/drivers/sys: use generic stdio_ if

Browse Source
This commit is contained in:
Hauke Petersen 2018-07-05 14:09:08 +02:00
parent 9bd2363643
commit c2184f3454
38 changed files with 99 additions and 99 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
boards/bluepill/include/board.h
View File

@ -54,7 +54,7 @@ void board_init(void);
/**
* @brief Use the 2nd UART for STDIO on this board
*/
#define UART_STDIO_DEV UART_DEV(1)
#define STDIO_UART_DEV UART_DEV(1)
/**
* @name xtimer configuration

2
boards/common/arduino-atmega/include/board_common.h
View File

@ -37,7 +37,7 @@ extern "C" {
* baudrate to 9600 for this board
* @{
*/
#define UART_STDIO_BAUDRATE (9600U)
#define STDIO_UART_BAUDRATE (9600U)
/** @} */
/**

4
boards/common/iotlab/include/board_common.h
View File

@ -38,8 +38,8 @@ extern "C" {
* @name Set the default baudrate to 500K for this board
* @{
*/
#ifndef UART_STDIO_BAUDRATE
# define UART_STDIO_BAUDRATE (500000U)
#ifndef STDIO_UART_BAUDRATE
# define STDIO_UART_BAUDRATE (500000U)
#endif
/** @} */

6
boards/common/msb-430/board_init.c
View File

@ -21,7 +21,7 @@
#include "cpu.h"
#include "irq.h"
#include "board.h"
#include "uart_stdio.h"
#include "stdio_base.h"
#include "periph_conf.h"
#include "msp430.h"
#include "debug.h"
@ -199,6 +199,6 @@ void board_init(void)
msp430_set_cpu_speed(CLOCK_CORECLOCK);
/* finally initialize STDIO over UART */
uart_stdio_init();
/* finally initialize STDIO */
stdio_init();
}

6
boards/common/silabs/drivers/bc/bc.c
View File

@ -20,7 +20,7 @@
#include "bc.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
#include "periph/gpio.h"
#include "periph/uart.h"
@ -35,14 +35,14 @@
/**
* @brief Ensure that the correct UART is used.
*/
#if ((UART_STDIO_DEV) != (UART_DEV(0)))
#if ((STDIO_UART_DEV) != (UART_DEV(0)))
#error "The BC requires UART_DEV(0)."
#endif
/**
* @brief Ensure that the correct baud rate is used.
*/
#if ((UART_STDIO_BAUDRATE) != 115200)
#if ((STDIO_UART_BAUDRATE) != 115200)
#error "The BC requires a baud rate of 115200."
#endif

4
boards/common/wsn430/board_init.c
View File

@ -23,7 +23,7 @@
#include "cpu.h"
#include "irq.h"
#include "assert.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
#include "periph_conf.h"
enum {
@ -98,5 +98,5 @@ void board_init(void)
irq_restore(state);
/* initialize STDIO over UART */
uart_stdio_init();
stdio_init();
}

2
boards/hifive1/Makefile.include
View File

@ -3,7 +3,7 @@ export CPU = fe310
export CPU_MODEL = fe310
# Uses UART0 for stdio input/output (comment out to disable)
USEMODULE += uart_stdio
USEMODULE += stdio_uart
# set default port depending on operating system
PORT_LINUX ?= /dev/ttyUSB1

4
boards/jiminy-mega256rfr2/include/board.h
View File

@ -40,8 +40,8 @@ extern "C" {
*
* @{
*/
#ifndef UART_STDIO_BAUDRATE
#define UART_STDIO_BAUDRATE (38400U) /**< Sets Baudrate for e.g. Shell */
#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (38400U) /**< Sets Baudrate for e.g. Shell */
#endif
/** @} */

2
boards/maple-mini/include/board.h
View File

@ -57,7 +57,7 @@ extern "C" {
/**
* @brief Use the USART1 for STDIO on this board
*/
#define UART_STDIO_DEV UART_DEV(1)
#define STDIO_UART_DEV UART_DEV(1)
/**
* @brief Initialize board specific hardware, including clock, LEDs and std-IO

6
boards/mega-xplained/include/board.h
View File

@ -39,15 +39,15 @@ extern "C" {
* baudrate to 9600 for this board
* @{
*/
#ifndef UART_STDIO_BAUDRATE
#define UART_STDIO_BAUDRATE (9600U)
#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (9600U)
#endif
/** @} */
/**
* @brief Use the UART 1 for STDIO on this board
*/
#define UART_STDIO_DEV (UART_DEV(1))
#define STDIO_UART_DEV (UART_DEV(1))
/**
* @name xtimer configuration values

2
boards/mulle/include/board.h
View File

@ -35,7 +35,7 @@
/**
* @brief Use the UART1 for STDIO on this board
*/
#define UART_STDIO_DEV UART_DEV(1)
#define STDIO_UART_DEV UART_DEV(1)
/**
* @name xtimer configuration

6
boards/opencm904/include/board.h
View File

@ -66,14 +66,14 @@ extern "C" {
/**
* @brief Use the USART2 for STDIO on this board
*/
#define UART_STDIO_DEV UART_DEV(0)
#define STDIO_UART_DEV UART_DEV(0)
/**
* @name Override with ROBOTIS Bluetooth antenna baudrate for STDIO
* @{
*/
#ifndef UART_STDIO_BAUDRATE
#define UART_STDIO_BAUDRATE (921600UL)
#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (921600UL)
#endif
/** @} */

2
boards/ruuvitag/Makefile.include
View File

@ -2,7 +2,7 @@
CPU_MODEL = nrf52832xxaa
# for this board, we are using Segger's RTT as default terminal interface
USEMODULE += rtt_stdio
USEMODULE += stdio_rtt
TERMPROG = $(RIOTTOOLS)/jlink/jlink.sh
TERMFLAGS = term_rtt

2
boards/stm32mindev/include/board.h
View File

@ -61,7 +61,7 @@ void board_init(void);
/**
* @brief Use the 2nd UART for STDIO on this board
*/
#define UART_STDIO_DEV UART_DEV(1)
#define STDIO_UART_DEV UART_DEV(1)
/**
* @name xtimer configuration

6
boards/telosb/board.c
View File

@ -9,7 +9,7 @@
#include "cpu.h"
#include "board.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
void uart_init(void);
@ -122,8 +122,8 @@ void board_init(void)
telosb_ports_init();
msp430_init_dco();
/* initialize STDIO over UART */
uart_stdio_init();
/* initialize STDIO */
stdio_init();
/* enable interrupts */
__bis_SR_register(GIE);

4
boards/telosb/include/board.h
View File

@ -43,8 +43,8 @@ extern "C" {
* @name Override default baudrate for STDIO
* @{
*/
#ifndef UART_STDIO_BAUDRATE
#define UART_STDIO_BAUDRATE (9600)
#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (9600)
#endif
/** @} */

2
boards/thingy52/Makefile.include
View File

@ -2,7 +2,7 @@
CPU_MODEL = nrf52832xxaa
# for this board, we are using Segger's RTT as default terminal interface
USEMODULE += rtt_stdio
USEMODULE += stdio_rtt
TERMPROG = $(RIOTTOOLS)/jlink/jlink.sh
TERMFLAGS = term_rtt

6
boards/waspmote-pro/include/board.h
View File

@ -31,7 +31,7 @@ extern "C" {
* @brief As the CPU is too slow to handle 115200 baud, we set the default
* baudrate to 9600 for this board
*/
#define UART_STDIO_BAUDRATE (9600U)
#define STDIO_UART_BAUDRATE (9600U)
/**
* @brief Use the UART 0 for STDIO on this board, if the XBee socket is not
@ -39,9 +39,9 @@ extern "C" {
*/
#ifdef XBEE_UART
#if XBEE_UART == 0
#define UART_STDIO_DEV (UART_DEV(1))
#define STDIO_UART_DEV (UART_DEV(1))
#else
#define UART_STDIO_DEV (UART_DEV(0))
#define STDIO_UART_DEV (UART_DEV(0))
#endif
#endif

6
boards/z1/board.c
View File

@ -24,7 +24,7 @@
#include "cpu.h"
#include "board.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
static void z1_ports_init(void)
{
@ -215,8 +215,8 @@ void board_init(void)
/* initializes DCO */
msp430_init_dco();
/* initialize STDIO over UART */
uart_stdio_init();
/* initialize STDIO */
stdio_init();
/* enable interrupts */
__bis_SR_register(GIE);

4
cpu/atmega_common/Makefile.include
View File

@ -14,8 +14,8 @@ export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -e r
export USEMODULE += atmega_common_periph
export USEMODULE += periph_common
# the atmel port uses uart_stdio
export USEMODULE += uart_stdio
# the atmel port uses stdio_uart
export USEMODULE += stdio_uart
# include module specific includes
export INCLUDES += -I$(RIOTCPU)/atmega_common/include -isystem$(RIOTCPU)/atmega_common/include/vendor

8
cpu/atmega_common/atmega_stdio.c
View File

@ -19,7 +19,7 @@
#include <stdio.h>
#include <avr/io.h>
#include "uart_stdio.h"
#include "stdio_uart.h"
static int _uart_putchar(char c, FILE *stream);
static int _uart_getchar(FILE *stream);
@ -29,7 +29,7 @@ static FILE _uart_stdin = FDEV_SETUP_STREAM(NULL, _uart_getchar, _FDEV_SETUP_REA
static int _uart_putchar(char c, FILE *stream)
{
(void) stream;
uart_stdio_write(&c, 1);
stdio_write(&c, 1);
return 0;
}
@ -37,13 +37,13 @@ static int _uart_getchar(FILE *stream)
{
(void) stream;
char c;
uart_stdio_read(&c, 1);
stdio_read(&c, 1);
return (int)c;
}
void atmega_stdio_init(void)
{
uart_stdio_init();
stdio_init();
stdout = &_uart_stdout;
stdin = &_uart_stdin;

12
cpu/atmega_common/periph/uart.c
View File

@ -18,8 +18,8 @@
* @author Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
*
*
* Support static BAUD rate calculation using UART_STDIO_BAUDRATE.
* Set UART_STDIO_BAUDRATE to the desired baud rate and pass it as a -D argument
* Support static BAUD rate calculation using STDIO_UART_BAUDRATE.
* Set STDIO_UART_BAUDRATE to the desired baud rate and pass it as a -D argument
* at compliation time (e.g. in the boards Makefile.include file).
* UART_BAUD_TOL can be set to guarantee a BAUD rate tolerance at compile time or
* to switch to double speed transmission (U2X) to achieve a lower tolerance.
@ -48,9 +48,9 @@
#define BAUD_TOL 2
#endif
#if defined(UART_STDIO_BAUDRATE)
#if defined(STDIO_UART_BAUDRATE)
/* BAUD and F_CPU are required by setbaud.h to calculated BRR */
#define BAUD UART_STDIO_BAUDRATE
#define BAUD STDIO_UART_BAUDRATE
#define F_CPU CLOCK_CORECLOCK
#include <util/setbaud.h>
#endif
@ -90,9 +90,9 @@ static void _set_brr(uart_t uart, uint32_t baudrate)
{
uint16_t brr;
#if defined(UART_STDIO_BAUDRATE)
#if defined(STDIO_UART_BAUDRATE)
/* UBRR_VALUE and USE_2X are statically computed from <util/setbaud.h> */
if (baudrate == UART_STDIO_BAUDRATE) {
if (baudrate == STDIO_UART_BAUDRATE) {
_update_brr(uart, UBRR_VALUE, USE_2X);
return;
}

12
cpu/atmega_common/posix_unistd.c
View File

@ -22,8 +22,8 @@
#ifdef MODULE_VFS
#include <fcntl.h>
#include "vfs.h"
#elif defined(MODULE_UART_STDIO)
#include "uart_stdio.h"
#elif defined(MODULE_STDIO_UART)
#include "stdio_uart.h"
#endif
int open(const char *name, int flags, ...)
@ -136,9 +136,9 @@ ssize_t read(int fd, void *dest, size_t count)
return -1;
}
return res;
#elif defined(MODULE_UART_STDIO)
#elif defined(MODULE_STDIO_UART)
if (fd == 0) {
return uart_stdio_read(dest, count);
return stdio_read(dest, count);
}
errno = EBADF;
return -1;
@ -160,9 +160,9 @@ ssize_t write(int fd, const void *src, size_t count)
return -1;
}
return res;
#elif defined(MODULE_UART_STDIO)
#elif defined(MODULE_STDIO_UART)
if (fd == 0) {
return uart_stdio_write(src, count);
return stdio_write(src, count);
}
errno = EBADF;
return -1;

14
cpu/fe310/nano/nanostubs.c
View File

@ -27,7 +27,7 @@
#include "thread.h"
#include "irq.h"
#include "cpu.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
extern char _heap_start; /* Heap markers from fe310.ld file */
extern char _heap_end;
@ -38,9 +38,9 @@ char *heap_top = &_heap_start + 4;
*/
void nanostubs_init(void)
{
#if defined(MODULE_UART_STDIO)
#if defined(MODULE_STDIO_UART)
/* STDIO redirected to UART, no line buffering */
uart_stdio_init();
stdio_init();
setvbuf(stdout, NULL, _IONBF, 0);
#endif
}
@ -82,9 +82,9 @@ int _open(const char *name, int flags, int mode)
_ssize_t _read(int fd, void *buffer, size_t count)
{
#if defined(MODULE_UART_STDIO)
#if defined(MODULE_STDIO_UART)
if (fd == STDIN_FILENO) {
return uart_stdio_read(buffer, count);
return stdio_read(buffer, count);
}
errno = EBADF;
return -1;
@ -99,9 +99,9 @@ _ssize_t _read(int fd, void *buffer, size_t count)
_ssize_t _write(int fd, const void *data, size_t count)
{
#if defined(MODULE_UART_STDIO)
#if defined(MODULE_STDIO_UART)
if (fd == STDOUT_FILENO || fd == STDERR_FILENO) {
return uart_stdio_write(data, count);
return stdio_write(data, count);
}
errno = EBADF;
return -1;

2
cpu/msp430fxyz/Makefile.include
View File

@ -1,3 +1,3 @@
include $(RIOTCPU)/msp430_common/Makefile.include
export USEMODULE += periph periph_common uart_stdio
export USEMODULE += periph periph_common stdio_uart

8
cpu/msp430fxyz/msp430_stdio.c
View File

@ -21,7 +21,7 @@
#include <sys/types.h>
#include <unistd.h>
#include "uart_stdio.h"
#include "stdio_uart.h"
/**
* @brief Get one character from STDIO - used by the libc
@ -29,7 +29,7 @@
int getchar(void)
{
char c;
uart_stdio_read(&c, 1);
stdio_read(&c, 1);
return c;
}
@ -40,7 +40,7 @@ int getchar(void)
int putchar(int c)
{
char _c = c;
return uart_stdio_write(&_c, 1);
return stdio_write(&_c, 1);
}
/**
@ -49,7 +49,7 @@ int putchar(int c)
ssize_t write(int fildes, const void *buf, size_t nbyte)
{
if (fildes == STDOUT_FILENO) {
return uart_stdio_write(buf, nbyte);
return stdio_write(buf, nbyte);
}
else {
return -1;

6
drivers/ethos/ethos.c
View File

@ -34,9 +34,9 @@
#include "net/ethernet.h"
#ifdef USE_ETHOS_FOR_STDIO
#include "uart_stdio.h"
#include "stdio_uart.h"
#include "isrpipe.h"
extern isrpipe_t uart_stdio_isrpipe;
extern isrpipe_t stdio_uart_isrpipe;
#endif
#define ENABLE_DEBUG (0)
@ -102,7 +102,7 @@ static void _handle_char(ethos_t *dev, char c)
#ifdef USE_ETHOS_FOR_STDIO
case ETHOS_FRAME_TYPE_TEXT:
dev->framesize++;
isrpipe_write_one(&uart_stdio_isrpipe, c);
isrpipe_write_one(&stdio_uart_isrpipe, c);
#endif
}
}

8
drivers/include/ethos.h
View File

@ -31,14 +31,14 @@
extern "C" {
#endif
/* if using ethos + stdio, use UART_STDIO values unless overridden */
/* if using ethos + stdio, use STDIO_UART values unless overridden */
#ifdef USE_ETHOS_FOR_STDIO
#include "uart_stdio.h"
#include "stdio_uart.h"
#ifndef ETHOS_UART
#define ETHOS_UART UART_STDIO_DEV
#define ETHOS_UART STDIO_UART_DEV
#endif
#ifndef ETHOS_BAUDRATE
#define ETHOS_BAUDRATE UART_STDIO_BAUDRATE
#define ETHOS_BAUDRATE STDIO_UART_BAUDRATE
#endif
#endif

4
examples/arduino_hello-world/hello-world.sketch
View File

@ -16,8 +16,8 @@
// For some boards RIOT defines a macro assigning the required baudrate of the
// serial link. If this macro is not set, the default baudrate is set to
// 115200.
#ifdef UART_STDIO_BAUDRATE
#define SERIAL_BAUDRATE UART_STDIO_BAUDRATE
#ifdef STDIO_UART_BAUDRATE
#define SERIAL_BAUDRATE STDIO_UART_BAUDRATE
#else
#define SERIAL_BAUDRATE 115200
#endif

2
sys/auto_init/netif/auto_init_ethos.c
View File

@ -26,7 +26,7 @@
#include "net/gnrc/netif/ethernet.h"
/**
* @brief global ethos object, used by uart_stdio
* @brief global ethos object, used by stdio_uart
*/
ethos_t ethos;

12
sys/newlib_syscalls_default/syscalls.c
View File

@ -45,7 +45,7 @@
#include "vfs.h"
#endif
#include "uart_stdio.h"
#include "stdio_base.h"
#include <sys/times.h>
@ -69,7 +69,7 @@ char *heap_top = &_sheap + 4;
*/
void _init(void)
{
uart_stdio_init();
stdio_init();
}
/**
@ -389,7 +389,7 @@ int _unlink_r(struct _reent *r, const char *path)
/*
* Fallback read function
*
* All input is read from uart_stdio regardless of fd number. The function will
* All input is read from stdio_uart regardless of fd number. The function will
* block until a byte is actually read.
*
* Note: the read function does not buffer - data will be lost if the function is not
@ -399,20 +399,20 @@ _ssize_t _read_r(struct _reent *r, int fd, void *buffer, size_t count)
{
(void)r;
(void)fd;
return uart_stdio_read(buffer, count);
return stdio_read(buffer, count);
}
/*
* Fallback write function
*
* All output is directed to uart_stdio, independent of the given file descriptor.
* All output is directed to stdio_uart, independent of the given file descriptor.
* The write call will further block until the byte is actually written to the UART.
*/
_ssize_t _write_r(struct _reent *r, int fd, const void *data, size_t count)
{
(void) r;
(void) fd;
return uart_stdio_write(data, count);
return stdio_write(data, count);
}
/* Stubs to avoid linking errors, these functions do not have any effect */

4
sys/stdio_uart/stdio_uart.c
View File

@ -72,7 +72,7 @@ static ssize_t stdio_uart_vfs_read(vfs_file_t *filp, void *dest, size_t nbytes)
if (fd != STDIN_FILENO) {
return -EBADF;
}
return stdio_uart_read(dest, nbytes);
return stdio_read(dest, nbytes);
}
static ssize_t stdio_uart_vfs_write(vfs_file_t *filp, const void *src, size_t nbytes)
@ -81,7 +81,7 @@ static ssize_t stdio_uart_vfs_write(vfs_file_t *filp, const void *src, size_t nb
if (fd == STDIN_FILENO) {
return -EBADF;
}
return stdio_uart_write(src, nbytes);
return stdio_write(src, nbytes);
}
#endif

2
sys/vfs/vfs.c
View File

@ -871,7 +871,7 @@ static inline int _allocate_fd(int fd)
if ((fd == STDIN_FILENO) || (fd == STDOUT_FILENO) || (fd == STDERR_FILENO)) {
/* Do not auto-allocate the stdio file descriptor numbers to
* avoid conflicts between normal file system users and stdio
* drivers such as uart_stdio, rtt_stdio which need to be able
* drivers such as stdio_uart, stdio_rtt which need to be able
* to bind to these specific file descriptor numbers. */
continue;
}

4
tests/driver_dynamixel/main.c
View File

@ -9,7 +9,7 @@
#include "dynamixel.h"
#include "shell.h"
#include "shell_commands.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
#include "board.h"
#include "periph/gpio.h"
@ -101,7 +101,7 @@ static int parse_uart(char *arg)
printf("Error: Invalid UART_DEV device specified (%u).\n", uart);
return -1;
}
else if (UART_DEV(uart) == UART_STDIO_DEV) {
else if (UART_DEV(uart) == STDIO_UART_DEV) {
printf("Error: The selected UART_DEV(%u) is used for the shell!\n", uart);
return -2;
}

4
tests/driver_feetech/main.c
View File

@ -9,7 +9,7 @@
#include "feetech.h"
#include "shell.h"
#include "shell_commands.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
#include <stdio.h>
#include <string.h>
@ -86,7 +86,7 @@ static int parse_uart(char *arg)
printf("Error: Invalid UART_DEV device specified (%u).\n", uart);
return -1;
}
else if (UART_DEV(uart) == UART_STDIO_DEV) {
else if (UART_DEV(uart) == STDIO_UART_DEV) {
printf("Error: The selected UART_DEV(%u) is used for the shell!\n", uart);
return -2;
}

2
tests/driver_rn2xx3/README.md
View File

@ -18,7 +18,7 @@ of the Bee-like module to your board:
NOTE: when you use an Arduino Wireless Proto shield, the RN2483/RN2903 module
can potentially be connected to the same UART as RIOTs standard out. This is the
case for Arduino UNO, and most of the Nucleo 64 boards.
In this case you must redefine `UART_STDIO_DEV` to another UART interface in
In this case you must redefine `STDIO_UART_DEV` to another UART interface in
the `board.h` and connect a UART-to-USB adapter to that UART.
This is not the case with Arduino-zero or some Nucleo144 boards.

2
tests/driver_xbee/README.md
View File

@ -9,7 +9,7 @@ module to your board:
- GND
NOTE: when you use an Arduino Xbee shield, the Xbee module is connected to the
same UART as RIOTs standard out. In this case you must redefine UART_STDIO_DEV to
same UART as RIOTs standard out. In this case you must redefine STDIO_UART_DEV to
another UART interface in the board.h and connect a UART-to-USB adapter to that
UART.

14
tests/periph_uart/main.c
View File

@ -28,7 +28,7 @@
#include "msg.h"
#include "ringbuffer.h"
#include "periph/uart.h"
#include "uart_stdio.h"
#include "stdio_uart.h"
#include "xtimer.h"
#define SHELL_BUFSIZE (128U)
@ -39,8 +39,8 @@
#define POWEROFF_DELAY (250U * US_PER_MS) /* quarter of a second */
#ifndef UART_STDIO_DEV
#define UART_STDIO_DEV (UART_UNDEF)
#ifndef STDIO_UART_DEV
#define STDIO_UART_DEV (UART_UNDEF)
#endif
typedef struct {
@ -60,7 +60,7 @@ static int parse_dev(char *arg)
printf("Error: Invalid UART_DEV device specified (%u).\n", dev);
return -1;
}
else if (UART_DEV(dev) == UART_STDIO_DEV) {
else if (UART_DEV(dev) == STDIO_UART_DEV) {
printf("Error: The selected UART_DEV(%u) is used for the shell!\n", dev);
return -2;
}
@ -196,14 +196,14 @@ int main(void)
"NOTE: all strings need to be '\\n' terminated!\n");
/* do sleep test for UART used as STDIO. There is a possibility that the
* value given in UART_STDIO_DEV is not a numeral (depends on the CPU
* value given in STDIO_UART_DEV is not a numeral (depends on the CPU
* implementation), so we rather break the output by printing a
* non-numerical value instead of breaking the UART device descriptor */
sleep_test(UART_STDIO_DEV, UART_STDIO_DEV);
sleep_test(STDIO_UART_DEV, STDIO_UART_DEV);
puts("\nUART INFO:");
printf("Available devices: %i\n", UART_NUMOF);
printf("UART used for STDIO (the shell): UART_DEV(%i)\n\n", UART_STDIO_DEV);
printf("UART used for STDIO (the shell): UART_DEV(%i)\n\n", STDIO_UART_DEV);
/* initialize ringbuffers */
for (unsigned i = 0; i < UART_NUMOF; i++) {