void test()
{
unsigned char button;
clear();
delay(200);
print("Orangutn"); // print to the top line of the LCD
delay_ms(400); // delay 200 ms
lcd_goto_xy(0, 1); // go to the start of the second LCD line
#if defined __AVR_ATmega328P__
print(" SV-328"); // print to the bottom line of the LCD
#elif defined __AVR_ATmega168__
print(" SV-168"); // print to the bottom line of the LCD
#else
#error "Unrecognized device type"
#endif
delay_ms(1000); // delay 700 ms
clear(); // clear the LCD, move cursor to start of top line
print(" VBAT");
do
{
// Perform 10-bit analog-to-digital conversions on ADC channel 6.
// Average ten readings and return the result, which will be one
// third of the battery voltage when the "ADC6 = VBAT/3" solder
// bridge is in place on the bottom of the Orangutan PCB
int vbat = analog_read_average(6, 10); // 10-sample avg of ADC6
vbat = to_millivolts(vbat) * 3; // convert reading to bat. voltage (mV)
lcd_goto_xy(0, 1); // go to the start of the second LCD line
print_long(vbat); // display battery voltage in millivolts
print(" mV "); // display the units
delay_ms(50); // delay for 50 ms
button = button_is_pressed(ANY_BUTTON); // check for button press
}
while (button == 0); // loop if no buttons are being pressed
// *** MAIN LOOP ***
while (1) // loop forever
{
if (button & TOP_BUTTON) // if the top button is pressed
button = melodyTest(); // this func. loops until next button press
else if (button & MIDDLE_BUTTON) // if the middle button is pressed
button = IOTest(); // this func. loops until next button press
else if (button & BOTTOM_BUTTON) // if the bottom button is pressed
button = motorTest(); // this func. loops until next button press
}
}
int main()
{
lcd_init_printf(); // required if we want to use printf()
clear(); // clear the LCD
delay_ms(200); // wait for 200 ms
printf("hello"); // print "hello" on the first line of the LCD
delay_ms(200); // wait for 200 ms
printf("\nworld"); // print "world" on the second line (because of '\n')
delay_ms(2000); // wait for 2 seconds
clear(); // clear the LCD
unsigned char ch;
for (ch = 'A'; ch <= 'z'; ch++) // demonstrate LCD wrapping
{
printf("%c", ch); // print a string of characters that wraps when
delay_ms(50); // it reaches the end of the LCD
}
delay_ms(2000); // wait for 2 seconds
clear(); // clear the LCD
int i;
printf("Hex Dec");
for(i = 0; i <= 500; i += 50) // demonstrate LCD scrolling
{
delay_ms(800 - i); // the delay gets shorter as i gets bigger
printf("\n%03X %3d", i, i); // print i as 3-digit, zero-padded hex
// and a space-padded 3-digit decimal
}
delay_ms(2000); // wait for 2 seconds
clear(); // clear the LCD
printf("Trimpot:");
while (1) // continuously display the trimpot voltage in mV
{
lcd_goto_xy(0, 1); // go to start of second LCD row
printf("%4u mV", to_millivolts(read_trimpot())); // print trimpot voltage
delay_ms(50); // wait for 50 ms to reduce LCD flicker
}
}
int main()
{
set_analog_mode(MODE_10_BIT); // 10-bit analog-to-digital conversions
while(1) // run over and over again
{
lcd_goto_xy(0,0); // LCD cursor to home position (upper-left)
print_long(to_millivolts(read_trimpot())); // trimpot output in mV
print(" mV "); // added spaces are to overwrite left over chars
lcd_goto_xy(0, 1); // LCD cursor to start of the second line
unsigned int temp = read_temperature_f(); // get temp in tenths of a degree F
print_long(temp/10); // get the whole number of degrees
print_character('.'); // print the decimal point
print_long(temp - (temp/10)*10); // print the tenths digit
print_character(223); // print a degree symbol
print("F "); // added spaces are to overwrite left over chars
delay_ms(100); // wait for 100 ms (otherwise LCD flickers too much)
}
}
void test_analog()
{
// test that set/get mode works
set_analog_mode(MODE_8_BIT);
printf("\nGet8BIT");
assert(MODE_8_BIT == get_analog_mode());
set_analog_mode(MODE_10_BIT);
printf("\nGet10BIT");
assert(MODE_10_BIT == get_analog_mode());
// read the trimpot in 10 bit mode and compare it to 8 bit mode
int x1 = analog_read(7);
set_analog_mode(MODE_8_BIT);
delay_ms(1); // required for readings to stabilize
int x2 = analog_read(7);
printf("\n8BIT10BIT %d %d",x1,x2);
assert( abs((x1>>2) - x2) < 10 );
// make sure that the average reading is more stable than individual readings
set_analog_mode(MODE_10_BIT);
unsigned char i;
int min = 1023, max = 0, avg_min = 1023, avg_max = 0;
for(i=0;i<10;i++)
{
int x1 = analog_read(7);
int x2 = analog_read_average(7,256);
if(x1 > max) max = x1;
if(x1 < min) min = x1;
if(x2 > avg_max) avg_max = x2;
if(x2 < avg_min) avg_min = x2;
printf("\nAvgComp %03x %03x", x1, x2);
assert( abs(x1-x2) < 10);
}
printf("\nAB%03x%03x%03x%03x",max,min,avg_max,avg_min);
assert( max - min >= avg_max - avg_min);
// check that temp C and F return appropriate values in 10bit mode
set_analog_mode(MODE_10_BIT);
x1 = analog_read_average(6,100);
int expect_temp_f = (((int)(analog_read_average_millivolts(TEMP_SENSOR, 20)) * 12) - 634) / 13;
int expect_temp_c = (((int)(analog_read_average_millivolts(TEMP_SENSOR, 20) * 20)) - 7982) / 39;
int temp_f = read_temperature_f();
int temp_c = read_temperature_c();
printf("\nTF10 %d %d", expect_temp_f, temp_f);
assert( expect_temp_f/5 == temp_f/5 );
printf("\nTC10 %d %d", expect_temp_c, temp_c);
assert( expect_temp_c/5 == temp_c/5 );
// try temp in 8bit mode
set_analog_mode(MODE_8_BIT);
delay_ms(1); // required for readings to stabilize?
temp_f = read_temperature_f();
temp_c = read_temperature_c();
printf("\nTF8 %d %d", expect_temp_f, temp_f);
assert( (expect_temp_f - temp_f) <= 20 );
printf("\nTC8 %d %d", expect_temp_c, temp_c);
assert( abs(expect_temp_c - temp_c) <= 20 );
// test background conversion
set_analog_mode(MODE_10_BIT);
delay_ms(1); // required for readings to stabilize
x1 = analog_read_average(6,100);
start_analog_conversion(6);
while(analog_is_converting())
printf("\nConvert");
x2 = analog_conversion_result();
printf("%d %d", x1, x2);
assert( abs(x1 - x2) < 10 );
// make sure to_millivolts works in 8 and 10 bit mode
set_analog_mode(MODE_10_BIT);
x1 = 5000;
x2 = to_millivolts(1023);
printf("\nmV1 %d %d",x1,x2);
assert( x1 == x2 );
x1 = 2498;
x2 = to_millivolts(511);
printf("\nmV2 %d %d",x1,x2);
assert( x1 == x2 );
x1 = 0;
x2 = to_millivolts(0);
printf("\nmV3 %d %d",x1,x2);
assert( x1 == x2 );
set_analog_mode(MODE_8_BIT);
x1 = 5000;
x2 = to_millivolts(255);
printf("\nmV4 %d %d",x1,x2);
assert( x1 == x2 );
x1 = 2490;
x2 = to_millivolts(127);
printf("\nmV5 %d %d",x1,x2);
assert( x1 == x2 );
x1 = 0;
x2 = to_millivolts(0);
printf("\nmV6 %d %d",x1,x2);
assert( x1 == x2 );
}
