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Use base staion LED to show found obstacles

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Transmit 'true' from robot to base station if robot sonar distance is
below a set threshold and then turn on ('true' received) or off ('false' received)
base station's signal LED.
This commit is contained in:
Rihards Skuja 2018-01-20 18:47:50 +02:00
parent 92c3842ca9
commit 4ea41527f1
No known key found for this signature in database
GPG Key ID: 53FA13A3F7F8571B
4 changed files with 36 additions and 5 deletions
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3
base_station/include/main.h
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@ -3,4 +3,7 @@
#include <stdint.h>
uint8_t tx_address[5] = {0xD7, 0xD7, 0xD7, 0xD7, 0xD7};
uint8_t rx_address[5] = {0xE7, 0xE7, 0xE7, 0xE7, 0xE7};
#endif

18
base_station/src/main.c
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@ -13,11 +13,27 @@
int main(void)
{
init_leds();
nrf24_init();
nrf24_config(2, 1); // Channel #2, payload: 1
nrf24_tx_address(tx_address);
nrf24_rx_address(rx_address);
// Use green LED as power LED
SET(LED_PORT, LED_GREEN_BIT);
while (1) { }
uint8_t data_array[1];
while (1) {
if (nrf24_dataReady()) {
nrf24_getData(data_array);
if (data_array[0] == 1)
SET(LED_PORT, LED_BLUE_BIT);
else if (data_array[0] == 0)
CLR(LED_PORT, LED_BLUE_BIT);
}
}
return 0;
}

3
robot/include/main.h
View File

@ -3,6 +3,9 @@
#include <stdint.h>
uint8_t tx_address[5] = {0xE7, 0xE7, 0xE7, 0xE7, 0xE7};
uint8_t rx_address[5] = {0xD7, 0xD7, 0xD7, 0xD7, 0xD7};
void read_temp(void);
#endif

17
robot/src/main.c
View File

@ -31,21 +31,30 @@ void read_temp(void)
int main(void)
{
init_leds();
init_servos();
/* init_servos(); */
init_sonar();
nrf24_init();
nrf24_config(2, 1); // Channel #2, payload: 1
nrf24_tx_address(tx_address);
nrf24_rx_address(rx_address);
// Use green LED as power LED
SET(LED_PORT, LED_GREEN_BIT);
run_servos();
/* run_servos(); */
/* read_temp(); */
uint8_t data_array[1];
while (1) {
uint16_t distance_int_cm = read_sonar();
if (distance_int_cm <= 10 && distance_int_cm != SONAR_ERROR)
SET(LED_PORT, LED_BLUE_BIT);
data_array[0] = 1;
else
CLR(LED_PORT, LED_BLUE_BIT);
data_array[0] = 0;
nrf24_send(data_array);
while (nrf24_isSending());
_delay_ms(SONAR_DELAY);
}