Segger_RTT/Examples/Main_RTT_MenuApp.c

71 lines
2.6 KiB
C

/*********************************************************************
* SEGGER Microcontroller GmbH *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1995 - 2018 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
--------- END-OF-HEADER --------------------------------------------
File : Main_RTT_MenuApp.c
Purpose : Sample application to demonstrate RTT bi-directional functionality
*/
#define MAIN_C
#include <stdio.h>
#include "SEGGER_RTT.h"
volatile int _Cnt;
volatile int _Delay;
/*********************************************************************
*
* main
*/
void main(void) {
int r;
int CancelOp;
do {
_Cnt = 0;
SEGGER_RTT_WriteString(0, "SEGGER Real-Time-Terminal Sample\r\n");
SEGGER_RTT_WriteString(0, "Press <1> to continue in blocking mode (Application waits if necessary, no data lost)\r\n");
SEGGER_RTT_WriteString(0, "Press <2> to continue in non-blocking mode (Application does not wait, data lost if fifo full)\r\n");
do {
r = SEGGER_RTT_WaitKey();
} while ((r != '1') && (r != '2'));
if (r == '1') {
SEGGER_RTT_WriteString(0, "\r\nSelected <1>. Configuring RTT and starting...\r\n");
SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL);
} else {
SEGGER_RTT_WriteString(0, "\r\nSelected <2>. Configuring RTT and starting...\r\n");
SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_NO_BLOCK_SKIP);
}
CancelOp = 0;
do {
//for (_Delay = 0; _Delay < 10000; _Delay++);
SEGGER_RTT_printf(0, "Count: %d. Press <Space> to get back to menu.\r\n", _Cnt++);
r = SEGGER_RTT_HasKey();
if (r) {
CancelOp = (SEGGER_RTT_GetKey() == ' ') ? 1 : 0;
}
//
// Check if user selected to cancel the current operation
//
if (CancelOp) {
SEGGER_RTT_WriteString(0, "Operation cancelled, going back to menu...\r\n");
break;
}
} while (1);
SEGGER_RTT_GetKey();
SEGGER_RTT_WriteString(0, "\r\n");
} while (1);
}
/*************************** End of file ****************************/