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void rt_hw_led_init(void)
{
return;
}
#include <stdint.h>
#include "platform.h"
void rt_hw_led_on(int led)
{
uint16_t r=0xFF;
uint16_t g=0;
uint16_t b=0;
char c = 0;
// Set up RGB PWM
/*
PWM1_REG(PWM_CFG) = 0;
// To balance the power consumption, make one left, one right, and one center aligned.
PWM1_REG(PWM_CFG) = (PWM_CFG_ENALWAYS) | (PWM_CFG_CMP2CENTER);
PWM1_REG(PWM_COUNT) = 0;
// Period is approximately 244 Hz
// the LEDs are intentionally left somewhat dim,
// as the full brightness can be painful to look at.
PWM1_REG(PWM_CMP0) = 0;
*/
if(r > 0 && b == 0){
r--;
g++;
}
if(g > 0 && r == 0){
g--;
b++;
}
if(b > 0 && g == 0){
r++;
b--;
}
uint32_t G = g;
uint32_t R = r;
uint32_t B = b;
PWM1_REG(PWM_CMP1) = G << 4; // PWM is low on the left, GPIO is low on the left side, LED is ON on the left.
PWM1_REG(PWM_CMP2) = (B << 1) << 4; // PWM is high on the middle, GPIO is low in the middle, LED is ON in the middle.
PWM1_REG(PWM_CMP3) = 0xFFFF - (R << 4); // PWM is low on the left, GPIO is low on the right, LED is on on the right.
return;
}
void rt_hw_led_off(int led)
{
return;
}
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