void mcu_main()
{
int version = api_version();
debug_print(DBG_INFO, "API version: %d.%d\n", version/100, version%100);
gpio_setup(GPIO_DHT, OUTPUT);
gpio_write(GPIO_DHT, HIGH);
/* do not send instructions within 1S after power on to pass the unstable state */
mcu_sleep(100);
uint8_t data[DHT_DATA_LEN];
while (1) {
int rc;
uint8_t humidity, temperature;
if ((rc = dht11_read(GPIO_DHT, data, sizeof(data))) == DHT_SUCCESS) {
humidity = data[0], temperature = data[2];
debug_print(DBG_INFO, "Humidity: %d%, Temperature: %d C\n", humidity, temperature);
// debug_print(DBG_INFO, "%d %d %d %d %d\n",
// data[0], data[1], data[2], data[3], data[4]);
} else {
debug_print(DBG_ERROR, "dht11_read() error [%d]\n", rc);
}
unsigned char buf[LEN_IPCBUF];
if ((rc = host_receive(buf, sizeof(buf))) > 0 && buf[0] == '?') {
rc = mcu_snprintf((char*)buf, LEN_IPCBUF, "RH=%d,T=%d\n", humidity, temperature);
host_send(buf, rc);
}
mcu_sleep(300);
}
}
void mcu_main()
{
// by default, the edison has ID 0
int edisonID = 0;
// if we pass in an argument, use it for the edisonID
// please pass in an integer
//if (argc == 2) {
//edisonID = atoi(argv[1]);
//}
int temp;
while (1)
{
//int host_receive(unsigned char *buf, int length)
temp = host_receive((unsigned char *)host_message, BUFFER_LENGTH);
if (temp > 0)
{
debug_print(DBG_INFO, "Received a Message!\n");
host_send((unsigned char*)"hello mcu\n", 10);
preamble_length = host_message[0];
}
// Preamble - Signals the Receiver Message Incoming
send_preamble_sequence(preamble_length);
// Sending Edison Board ID # - 2 bits, MSB then LSB
switch (edisonID) {
case 0:
send_low_bit(); // Send lsb bit 0 = LOW
send_low_bit(); // Send msb bit 1 = LOW
break;
case 1:
send_high_bit(); // Send lsb bit 0 = HIGH
send_low_bit(); // Send msb bit 1 = LOW
break;
case 2:
send_low_bit(); // Send lsb bit 0 = LOW
send_high_bit(); // Send msb bit 1 =
break;
case 3:
send_high_bit(); // Send lsb bit 0 = HIGH
send_high_bit(); // Send msb bit 1 = HIGH
break;
default:
send_low_bit(); // Send lsb bit 0 = LOW
send_low_bit(); // Send msb bit 1 = LOW
}
// Sending Edison IR Emitter ID # - 2 bits, MSB then LSB
// pwm1 = 00 = short-long/short-long = 5-20/5-20
// pwm2 = 01 = short-long/long-short = 5-20/20-5
// pwm3 = 10 = long-short/short-long = 20-5/5-20
// pwm4 = 11 = long-short/long-short = 20-5/20-5
// First Bit
pwm_configure(pwm1, MESSAGE_DUTY_LOW, MESSAGE_PERIOD); // 0
pwm_configure(pwm2, MESSAGE_DUTY_LOW, MESSAGE_PERIOD); // 0
pwm_configure(pwm3, MESSAGE_DUTY_HIGH, MESSAGE_PERIOD); // 1
pwm_configure(pwm4, MESSAGE_DUTY_HIGH, MESSAGE_PERIOD); // 1
pwm_enable(pwm1);
pwm_enable(pwm2);
pwm_enable(pwm3);
pwm_enable(pwm4);
mcu_delay(MESSAGE_SLEEP);
// Second Bit
pwm_configure(pwm1, MESSAGE_DUTY_LOW, MESSAGE_PERIOD); // 0
pwm_configure(pwm2, MESSAGE_DUTY_HIGH, MESSAGE_PERIOD); // 1
pwm_configure(pwm3, MESSAGE_DUTY_LOW, MESSAGE_PERIOD); // 0
pwm_configure(pwm4, MESSAGE_DUTY_HIGH, MESSAGE_PERIOD); // 1
pwm_enable(pwm1);
pwm_enable(pwm2);
pwm_enable(pwm3);
pwm_enable(pwm4);
mcu_delay(MESSAGE_SLEEP);
}
}
void mcu_main()
{
gpio_setup(13, 1); // pin 5 = right
gpio_setup(182, 1); // pin 6 = down
gpio_setup(48, 1); // pin 7 = right
gpio_setup(49, 1); // pin 8 = up
char buf[64];
int len;
while (1)
{
do {
len = host_receive((unsigned char *)buf, 64);
//mcu_sleep(10);
} while (len <= 0);
if (strcmp(buf, "") != 0) {
/*
* buf = string of 4 bits ie, "0101"
* big endian, bit 0 = up, bit 1 = left, bit 2 = down, bit 3 = right
* 1 = on, 0 = off
*/
int up = (int)buf[0] - 48;
int left = (int)buf[1] - 48;
int down = (int)buf[2] - 48;
int right = (int)buf[3] - 48;
if(up == 1) {
gpio_write(49, 1);
}
if (up == 0) {
gpio_write(49, 0);
}
if(right == 1) {
gpio_write(13, 1);
}
if(right == 0) {
gpio_write(13, 0);
}
if(down == 1) {
gpio_write(182, 1);
}
if(down == 0) {
gpio_write(182, 0);
}
if(left == 1) {
gpio_write(48, 1);
}
if(left == 0) {
gpio_write(48, 0);
}
//Alternate method, may be faster
/*
int direction;
switch (direction) {
case(1) :
gpio_write(49, 1);
break;
case(2) :
gpio_write(13, 1);
break;
case(3) :
gpio_write(182, 1);
break;
case(4) :
gpio_write(48, 1);
break;
}
*/
}
}
}
