yuhang zhu
/
ADAM_menu
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
main.cpp
- Committer:
- yuhangzhu
- Date:
- 2013-07-14
- Revision:
- 11:0e42dd431fb5
- Parent:
- 10:ff8c2470f019
- Child:
- 12:5e4cba1182ab
File content as of revision 11:0e42dd431fb5:
#include "mbed.h"
#include "menu.h"
#include "parameters.h"
#include "handlers.h"
//#define DEBUG
Serial pc(USBTX, USBRX);
char recv;
char temp;
int state;
char cha1_pha, cha2_pha;
char cha1_amp, cha2_amp;
int ret;
unsigned short spi_stream;
char line_buf[4]; //line_buf[3] is used to indicate if it's empty 0 empty 1 not
int line_pt; //line buffer pointer points to next buffer location it's going to write
int line_length; //store the current line length
int i;
int main() {
pc.baud(19200); //config buad rate
state = MODE_IDLE;
line_buf[3] = 0;
line_buf[2] = 255;
line_buf[1] = 255;
line_buf[0] = 255;
cha1_pha = 0;
cha2_pha = 0;
cha1_amp = 0;
cha2_amp = 0;
while(1)
{
switch(state)
{
case MODE_IDLE:
pc.printf("%s", main_menu);
recv = pc.getc();
mode_idle_handler(&state, recv);
//pc.printf("%d", state);
break;
case MODE_CHA1PHA:
case MODE_CHA1AMP:
case MODE_CHA2PHA:
case MODE_CHA2AMP:
if(state == MODE_CHA1PHA)
pc.printf("%s", cmd1);
else if(state == MODE_CHA1AMP)
pc.printf("%s", cmd2);
else if(state == MODE_CHA2PHA)
pc.printf("%s", cmd3);
else
pc.printf("%s", cmd4);
line_buf[3] = 0;
line_buf[2] = 255;
line_buf[1] = 255;
line_buf[0] = 255;
line_pt = 0;
line_length = 0;
while(1) //input into line buffer, terminated by enter key
{
recv = pc.getc();
if(recv == 13) //enter is pressed, break
{
if(line_length == 0)
line_buf[3] = LINEBUF_EMPTY;
else if(line_length > 3)
line_buf[3] = LINEBUF_TOOLONG;
else
line_buf[3] = LINEBUF_OK;
#ifdef DEBUG
pc.printf("decimal output : %d %d %d %d", line_buf[3], line_buf[2], line_buf[1], line_buf[0]);
pc.printf("char output: %c %c %c %c", line_buf[3], line_buf[2], line_buf[1], line_buf[0]);
#endif
break;
}
else if(recv == 8) //backspace is pressed, delete one character both on screen and line buffer
{
pc.putc(8);
pc.putc(32);
pc.putc(8);
if(line_length <= 3 && line_length>=1)
{
line_pt --;
line_buf[line_pt] = 255;
}
if(line_length > 0)
line_length --;
}
else //other character is pressed, record that in line buffer
{
pc.putc(recv);
line_length ++;
if(line_length <= 3)
{
line_buf[line_pt] = recv;
line_pt ++;
}
}
}
//input over, now checking
//check phase input
if(state == MODE_CHA1PHA || state == MODE_CHA2PHA)
{
if(state == MODE_CHA1PHA)
ret = parse_phase(line_buf, &cha1_pha);
else
ret = parse_phase(line_buf, &cha2_pha);
if(ret == PARSE_LONG) //Input string too long
{
pc.printf("%s", msg_strlong);
pc.getc();
}
else if(ret == PARSE_EMPTY)
{
pc.printf("%s", msg_empty);
pc.printf("%s", msg_ret);
pc.getc();
}
else if(ret == PARSE_ERR) //Input string has error
{
pc.printf("%s", msg_err);
pc.getc();
}
else if(ret == PARSE_ROUNDED) //Input is rounded,show the rounded value
{
if(state == MODE_CHA1PHA)
pc.printf("%s %d\n", msg_rounded, cha1_pha*-7);
else if(state == MODE_CHA2PHA)
pc.printf("%s %d\n", msg_rounded, cha2_pha*-7);
pc.printf("%s", msg_ret);
pc.getc();
}
else //Input is good
{
pc.printf("%s", msg_ok);
#ifdef DEBUG
pc.printf("%d %d\n", cha1_pha*7, cha2_pha*7);
#endif
pc.printf("%s", msg_ret);
pc.getc();
}
}
//check attenuation input
if(state == MODE_CHA1AMP || state == MODE_CHA2AMP)
{
if(state == MODE_CHA1AMP)
ret = parse_amp(line_buf, &cha1_amp);
else
ret = parse_amp(line_buf, &cha2_amp);
if(ret == PARSE_LONG) //Input string too long
{
pc.printf("%s", msg_strlong);
pc.getc();
}
else if(ret == PARSE_EMPTY)
{
pc.printf("%s", msg_empty);
pc.printf("%s", msg_ret);
pc.getc();
}
else if(ret == PARSE_ERR) //Input string has error
{
pc.printf("%s", msg_err);
pc.getc();
}
else if(ret == PARSE_ROUNDED) //Input is rounded, show the rounded value
{
if(state == MODE_CHA1AMP)
pc.printf("%s %.1f\n", msg_rounded, cha1_amp*5.0/10.0);
else if(state == MODE_CHA2AMP)
pc.printf("%s %.1f\n", msg_rounded, cha2_amp*5.0/10.0);
pc.printf("%s", msg_ret);
pc.getc();
}
else //Input is good
{
pc.printf("%s", msg_ok);
#ifdef DEBUG
pc.printf("%d %d\n", cha1_amp*5, cha2_amp*5);
#endif
pc.printf("%s", msg_ret);
pc.getc();
}
}
state = MODE_IDLE; //back to idle state after input
break;
// in display mode
case MODE_DISPLAY:
pc.printf("Phase shift value for channel 1 is %d degrees\n", cha1_pha*-7);
pc.printf("Phase shift value for channel 2 is %d degrees\n", cha2_pha*-7);
pc.printf("Attentuation for channel 1 is %.1f dB\n", cha1_amp*5.0/10.0);
pc.printf("Attentuation for channel 2 is %.1f dB\n", cha2_amp*5.0/10.0);
pc.printf("%s", msg_ret);
pc.getc();
state = MODE_IDLE;
break;
case MODE_HELP:
pc.printf("%s", msg_help);
pc.printf("%s", msg_ret);
pc.getc();
state = MODE_IDLE;
break;
case MODE_SEND:
pc.printf("Phase shift value for channel 1 is %d degrees\n", cha1_pha*-7);
pc.printf("Phase shift value for channel 2 is %d degrees\n", cha2_pha*-7);
pc.printf("Attentuation for channel 1 is %.1f dB\n", cha1_amp*5.0/10.0);
pc.printf("Attentuation for channel 2 is %.1f dB\n", cha2_amp*5.0/10.0);
pc.printf("\nSPI bit stream:\n");
for(i=15; i>=0; i--)
pc.printf("Bit%d ", i);
pc.printf("\n");
spi_stream = 0;
spi_stream = (cha2_amp << 12) | (cha2_pha << 8) | (cha1_amp << 4) | (cha1_pha);
for(i=0; i<=15; i++)
{
if(spi_stream >= 0x8000)
{
if(i < 6)
pc.printf("%d ", 1);
else
pc.printf("%d ", 1);
}
else
{
if(i < 6)
pc.printf("%d ", 0);
else
pc.printf("%d ", 0);
}
spi_stream = spi_stream << 1;
}
pc.printf("\n");
pc.printf("%s", msg_ret);
pc.getc();
state = MODE_IDLE;
break;
default:
state = MODE_IDLE;
}
}
return 0;
}