int main()
{
littleWire *myLittleWire = NULL;
myLittleWire = littleWire_connect();
if(myLittleWire == NULL){
printf("Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(myLittleWire);
printf("Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
pinMode(myLittleWire, BUTTON, INPUT);
for(;;){
if ( digitalRead(myLittleWire, BUTTON) == LOW ){
delay(DEBOUNCE);
if( digitalRead(myLittleWire, BUTTON) == LOW ){
printf("Button pressed.\n");
}
}
delay(100);
}
}
int main(void)
{
int step=0;
littleWire *lw = NULL;
lw = littleWire_connect();
if(lw == NULL){
printf("> Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(lw);
printf("> Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
if(version<0x12)
{
printf("> This example requires the new 1.2 version firmware. Please update soon.\n");
return 0;
}
pinMode(lw, LED, OUTPUT);
for(;;){
int i=0;
step++;
for (i=0; i<5; i++)
{
switch((i+step)%5) {
case 0: ws2812_preload(lw, 255,255,255); break;
case 1: ws2812_preload(lw, 255, 0, 0); break;
case 2: ws2812_preload(lw, 255,255, 0); break;
case 3: ws2812_preload(lw, 0,255,255); break;
case 4: ws2812_preload(lw, 0,255, 0); break;
}
}
ws2812_flush(lw, LED);
delay(DELAY);
if(lwStatus<0)
{
printf("> lwStatus: %d\n",lwStatus);
printf("> Connection error!\n");
return 0;
}
}
}
int main()
{
unsigned int chA=0;
unsigned int chB=0;
littleWire *myLittleWire = NULL;
myLittleWire = littleWire_connect();
if(myLittleWire == NULL){
printf("Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(myLittleWire);
printf("Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
spi_init(myLittleWire);
// pin3 will be used as our chip select pin
pinMode(myLittleWire,PIN3,OUTPUT);
digitalWrite(myLittleWire,PIN3,HIGH);
spi_updateDelay(myLittleWire,0); // Change this according to your device. If your device doesn't respond, try to increase the delay
unsigned char sendBuffer[4];
unsigned char receiveBuffer[4];
for(;;){ // Generates triangular ramp signal
if(chA<4096) chA++;
else chA=0;
if(chB<4096) chB++;
else chB=0;
sendBuffer[0]=(chA>>4);
sendBuffer[1]=((chA&0x0F)<<4)+((chB&0xF00)>>8);
sendBuffer[2]=(chB&0xFF);
while(1)
spi_sendMessage_multiple(myLittleWire,sendBuffer,receiveBuffer,3,AUTO_CS); // Send 3 consequent messages with automatic chip select mode
delay(2000);
// Alternative with manual chip select
/*
digitalWrite(myLittleWire,PIN3,LOW); // Chip select low
sendSpiMessage_multiple(myLittleWire,sendBuffer,receiveBuffer,3,MANUAL_CS);
digitalWrite(myLittleWire,PIN3,HIGH); // Chip select high
*/
}
}
int main(void)
{
littleWire *lw = NULL;
lw = littleWire_connect();
if(lw == NULL){
printf("> Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(lw);
printf("> Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
if(version<0x12)
{
printf("> This example requires the new 1.2 version firmware. Please update soon.\n");
return 0;
}
pinMode(lw, LED, OUTPUT);
for(;;){
printf("Red\n");
ws2812_write(lw, LED, 255,0,0);
delay(DELAY);
printf("Green\n");
ws2812_write(lw, LED, 0,255,0);
delay(DELAY);
printf("Blue\n");
ws2812_write(lw, LED, 0,0,255);
delay(DELAY);
printf("Off..\n");
ws2812_write(lw, LED, 0,0,0);
delay(DELAY);
if(lwStatus<0)
{
printf("> lwStatus: %d\n",lwStatus);
printf("> Connection error!\n");
return 0;
}
}
}
int main(int argc, char **argv)
{
littleWire *myLittleWire = NULL;
unsigned int adcValue;
myLittleWire = littleWire_connect();
if(myLittleWire == NULL) {
printf("Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(myLittleWire);
printf("Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
pinMode(myLittleWire,PIN2,INPUT);
while(1) {
adcValue=analogRead(myLittleWire, ADC_PIN2);
printf("Value: %d\tVoltage: %f volts\n", adcValue,(float)((adcValue*5.0)/1024.0));
delay(100);
}
}
int main()
{
littleWire *lw = NULL;
lw = littleWire_connect();
if(lw == NULL){
printf("> Little Wire could not be found!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(lw);
printf("> Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
if(version==0x10)
{
printf("> This example requires the new 1.1 version firmware. Please update soon.\n");
return 0;
}
i2c_init(lw);
i2c_updateDelay(lw,10);
printf("> Address search ... \n");
for(i=0;i<128;i++)
{
rc = i2c_start(lw,i,WRITE);
if(rc==1)
printf("> Found device at %3d\n",i,rc);
}
delay(2000);
for(;;)
{
/* Fade to a HSV color */
i2c_start(lw,0x09,WRITE);
myBuffer[0] = 'h';
myBuffer[1] = i++;
myBuffer[2] = 255;
myBuffer[3] = 255;
i2c_write(lw,myBuffer,4,END_WITH_STOP);
delay(10);
/* Get the current RGB color values */
i2c_start(lw,0x09,WRITE);
myBuffer[0] = 'g';
i2c_write(lw,myBuffer,1,END_WITH_STOP);
delay(10);
/* Actually read the three bytes */
i2c_start(lw,0x09,READ);
i2c_read(lw,myBuffer,3,END_WITH_STOP);
delay(10);
printf("> Read:\t#R: %2X\t#G: %2X\t#B: %2X\t\n",myBuffer[0],myBuffer[1],myBuffer[2]);
if(lwStatus<0)
{
printf("> lwStatus: %d\n",lwStatus);
printf("> Connection error!\n");
return 0;
}
}
return 0;
}
int main(void)
{
littleWire *lw = NULL;
total_lwCount = littlewire_search();
if(total_lwCount == 1)
{
printf("----------------------------------------------------------\n");
printf("> 1 Little Wire device is found with serialNumber: %d\n",lwResults[0].serialNumber);
printf("----------------------------------------------------------\n");
}
else if(total_lwCount > 1)
{
printf("----------------------------------------------------------\n");
printf("> %d Little Wire devices are found\n",total_lwCount);
printf("----------------------------------------------------------\n");
printf("> #id - serialNumber\n");
for(i=0;i<total_lwCount;i++)
{
printf("> %2d - %3d\n",i,lwResults[i].serialNumber);
}
printf("----------------------------------------------------------\n");
}
else if(total_lwCount == 0)
{
printf("----------------------------------------------------------\n");
printf("> Little Wire could not be found!\n");
printf("----------------------------------------------------------\n");
exit(EXIT_FAILURE);
}
/* Connects to the first littleWire device the computer can find. */
// lw = littleWire_connect();
/* Connects to the spesific littleWire device by array id. */
lw = littlewire_connect_byID(0);
/* Connects to the spesific littleWire with a given serial number. */
/* If multiple devices have the same serial number, it connects to the last one it finds */
// lw = littlewire_connect_bySerialNum(126);
if(lw == NULL){
printf("> Little Wire connection problem!\n");
exit(EXIT_FAILURE);
}
version = readFirmwareVersion(lw);
printf("> Little Wire firmware version: %d.%d\n",((version & 0xF0)>>4),(version&0x0F));
if(version < 0x12)
{
printf("> This example requires the new 1.2 version firmware. Please update soon.\n");
return 0;
}
/* In order to change the serial number of the current connected device, use the following function. */
/* You need to unplug-plug to see the change. */
/* Serial numbers have to be between 100-999 */
// changeSerialNumber(lw,152);
/*------------------------------------------------------------------------------------------------------*/
pinMode(lw, LED, OUTPUT);
printf("Switching relay...\n");
digitalWrite(lw, LED, HIGH);
delay(DELAY);
digitalWrite(lw, LED, LOW);
printf("...done!\n");
if(lwStatus<0)
{
printf("> lwStatus: %d\n",lwStatus);
printf("> Connection error: ");
printf("%s\n",littleWire_errorName());
}
return 0;
}