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Update Control LEDs based on speed logic

This commit is contained in:
Uttam Bhavimani Bhavimani 2024-11-29 14:54:00 +05:30
parent 2b539ed0b9
commit 13be37ba82
1 changed files with 26 additions and 0 deletions
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26
main.c
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@ -34,6 +34,32 @@ void GPIO_PORT_B_init(void)
UART1_IM_R |= 0x10; UART1_IM_R |= 0x10;
NVIC_EN0_R |= (1 << 6); NVIC_EN0_R |= (1 << 6);
} }
// Control LEDs based on speed
void control_leds_based_on_speed(float speed_kmh) {
// Clear all LED bits (assuming LEDs are connected to bits 1, 2, and 3)
GPIO_PORTF_DATA_R &= 0x00;
// Determine which 5 km/h range the speed falls into
if (speed_kmh >= 0.0 && speed_kmh < 10.0) {
// Range 0-10 km/h
GPIO_PORTF_DATA_R |= 0x08; // Red LED
} else if (speed_kmh >= 10.0 && speed_kmh < 20.0) {
// Range 10-20 km/h
GPIO_PORTF_DATA_R |= 0x0C; // Blue LED
} else if (speed_kmh >= 20.0 && speed_kmh < 30.0) {
// Range 20-30 km/h
GPIO_PORTF_DATA_R |= 0x04; // Green LED
} else if (speed_kmh >= 30.0 && speed_kmh < 40.0) {
// Range 30-40 km/h
GPIO_PORTF_DATA_R |= 0x06; // Yellow LED (Red + Green)
} else if (speed_kmh >= 40.0 && speed_kmh < 50.0) {
// Range 40-50 km/h
GPIO_PORTF_DATA_R |= 0x02; // Blue LED
} else {
// Above 50 km/h
GPIO_PORTF_DATA_R |= 0x0E; // Maximum LED (Red + Blue + Green)
}
}