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Add mbed initialization

pull/11051/head
Marcus Chang 2017-10-14 20:03:30 -07:00
parent 45afbf6bf3
commit 15e566faad
2 changed files with 40 additions and 13 deletions
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51
features/minimal-printf/mbed_printf.c
View File

@ -21,9 +21,45 @@
#include <limits.h>
#include <stdbool.h>
/* module variable for keeping track of initialization */
static bool not_initialized = true;
/***************************/
/* MBED */
/***************************/
#if TARGET_LIKE_MBED
#include "hal/serial_api.h"
#if DEVICE_SERIAL
static int stdio_uart_inited = 0;
static serial_t stdio_uart = { 0 };
#if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES
static char stdio_in_prev = 0;
static char stdio_out_prev = 0;
#endif
#endif
static void init_serial()
{
if (not_initialized)
{
not_initialized = false;
#if DEVICE_SERIAL
serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
#if MBED_CONF_PLATFORM_STDIO_BAUD_RATE
serial_baud(&stdio_uart, MBED_CONF_PLATFORM_STDIO_BAUD_RATE);
#endif
#endif
}
}
#define MBED_INITIALIZE_PRINT(x) { init_serial(); }
#define MBED_PRINT_CHARACTER(x) { serial_putc(&stdio_uart, x); }
/***************************/
/* Linux */
/***************************/
#else
#define MBED_INITIALIZE_PRINT(x) { ; }
#define MBED_PRINT_CHARACTER(x) { printf("%c", x); }
@ -36,9 +72,6 @@ static void mbed_minimal_formatted_string_void_pointer(char* buffer, size_t leng
static void mbed_minimal_formatted_string_character(char* buffer, size_t length, int* result, int character);
static void mbed_minimal_formatted_string_string(char* buffer, size_t length, int* result, char* string);
/* module variable for keeping track of initialization */
static bool not_initialized = true;
static void mbed_minimal_formatted_string_long_int(char* buffer, size_t length, int* result, long int value)
{
/* only continue if buffer can fit at least 1 characters */
@ -321,11 +354,7 @@ static int mbed_minimal_formatted_string(char* buffer, size_t length, const char
int mbed_printf(const char *format, ...)
{
if (not_initialized)
{
not_initialized = false;
MBED_INITIALIZE_PRINT();
}
MBED_INITIALIZE_PRINT();
va_list arguments;
va_start(arguments, format);
@ -337,11 +366,7 @@ int mbed_printf(const char *format, ...)
int mbed_snprintf(char* buffer, size_t length, const char* format, ...)
{
if (not_initialized)
{
not_initialized = false;
MBED_INITIALIZE_PRINT();
}
MBED_INITIALIZE_PRINT();
va_list arguments;
va_start(arguments, format);

2
features/minimal-printf/mbed_printf.h
View File

@ -17,6 +17,8 @@
#ifndef MBED_PRINTF_H
#define MBED_PRINTF_H
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif