void user_loop(void)
{
unsigned char channel;
/* loop over all HV channels */
for (channel=0 ; channel<N_HV_CHN ; channel++) {
watchdog_refresh(0);
if ((user_data[0].control & CONTROL_IDLE) == 0) {
/* read back HV and current */
read_hv(channel);
read_current(channel);
/* check for current trip */
check_current(channel);
/* do ramping and regulation */
ramp_hv(channel);
regulation(channel);
/* set voltage regularly, in case DAC hot HV spike */
set_hv(channel, user_data[channel].u_dac);
}
}
// read_temperature();
}
extern "C" int main()
{
pinMode(LED_BUILTIN, OUTPUT);
leds.begin();
// Announce firmware version
serial_begin(BAUD2DIV(115200));
serial_print("Fadecandy v" DEVICE_VER_STRING "\r\n");
// Application main loop
while (usb_dfu_state == DFU_appIDLE) {
watchdog_refresh();
buffers.handleUSB();
updateDrawBuffer(calculateInterpCoefficient());
leds.show();
// Optionally disable dithering by clearing our residual buffer every frame.
if (buffers.flags & CFLAG_NO_DITHERING) {
for (unsigned i = 0; i < CHANNELS_TOTAL; ++i)
residual[i] = 0;
}
}
// Reboot into DFU bootloader
dfu_reboot();
}
int watchdog_deinit()
{
uchar* ctrl_addr = ( uchar* )HW_ADDR( WATCHDOG_CTRL, 0 );
watchdog_refresh();
*ctrl_addr = 0x00;
return ERR_NONE;
}
void read_adc24(unsigned char a, unsigned long *d)
{
unsigned char i, m;
/* write to communication register */
ADC_NCS = 0;
delay_us(OPT_DELAY);
watchdog_refresh(1);
/* write zero to !WEN and one to R/!W */
for (i=0 ; i<4 ; i++) {
ADC_SCLK = 0;
delay_us(OPT_DELAY);
ADC_DIN = (i == 1);
delay_us(OPT_DELAY);
ADC_SCLK = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
}
/* register address */
for (i=0,m=8 ; i<4 ; i++) {
ADC_SCLK = 0;
delay_us(OPT_DELAY);
ADC_DIN = (a & m) > 0;
delay_us(OPT_DELAY);
ADC_SCLK = 1;
delay_us(OPT_DELAY);
m >>= 1;
watchdog_refresh(1);
}
ADC_NCS = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
/* read from selected data register */
ADC_NCS = 0;
delay_us(OPT_DELAY);
watchdog_refresh(1);
for (i=0,*d=0 ; i<24 ; i++) {
*d <<= 1;
ADC_SCLK = 0;
delay_us(OPT_DELAY);
delay_us(OPT_DELAY);
*d |= ADC_DOUT;
ADC_SCLK = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
}
ADC_NCS = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
}
void write_adc(unsigned char a, unsigned char d)
{
unsigned char xdata i, m;
/* write to communication register */
ADC_NCS = 0;
delay_us(OPT_DELAY);
watchdog_refresh(1);
/* write zeros to !WEN and R/!W */
for (i=0 ; i<4 ; i++) {
ADC_SCLK = 0;
delay_us(OPT_DELAY);
ADC_DIN = 0;
delay_us(OPT_DELAY);
ADC_SCLK = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
}
/* register address */
for (i=0,m=8 ; i<4 ; i++) {
ADC_SCLK = 0;
delay_us(OPT_DELAY);
ADC_DIN = (a & m) > 0;
delay_us(OPT_DELAY);
ADC_SCLK = 1;
delay_us(OPT_DELAY);
m >>= 1;
watchdog_refresh(1);
}
ADC_NCS = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
/* write to selected data register */
ADC_NCS = 0;
delay_us(OPT_DELAY);
watchdog_refresh(1);
for (i=0,m=0x80 ; i<8 ; i++) {
ADC_SCLK = 0;
delay_us(OPT_DELAY);
ADC_DIN = (d & m) > 0;
delay_us(OPT_DELAY);
ADC_SCLK = 1;
delay_us(OPT_DELAY);
m >>= 1;
watchdog_refresh(1);
}
ADC_NCS = 1;
delay_us(OPT_DELAY);
watchdog_refresh(1);
}
void regulation(unsigned char channel)
{
/* if demand value changed, remember time to avoid current
trip sensing for the next few seconds */
if (chn_bits[channel] & DEMAND_CHANGED)
t_ramp[channel] = time();
/* only if HV on and not disabled and not ramping */
if ((user_data[channel].control & CONTROL_HV_ON) &&
!(user_data[channel].status & STATUS_DISABLED) &&
(chn_bits[channel] & (RAMP_UP | RAMP_DOWN)) == 0 &&
!(user_data[channel].status & STATUS_ILIMIT)) {
if (user_data[channel].control & CONTROL_REGULATION) {
u_actual[channel] = user_data[channel].u_demand;
/* correct if difference is at least half a LSB */
if (fabs(user_data[channel].u_demand - user_data[channel].u_meas) / DIVIDER / 2.5 * 65536 > 0.5) {
user_data[channel].u_dac += user_data[channel].u_demand - user_data[channel].u_meas;
/* only allow +-2V fine regulation range */
if (user_data[channel].u_dac < user_data[channel].u_demand - 2)
user_data[channel].u_dac = user_data[channel].u_demand - 2;
if (user_data[channel].u_dac > user_data[channel].u_demand + 2)
user_data[channel].u_dac = user_data[channel].u_demand + 2;
chn_bits[channel] &= ~DEMAND_CHANGED;
}
} else {
/* set voltage directly */
if (chn_bits[channel] & DEMAND_CHANGED) {
u_actual[channel] = user_data[channel].u_demand;
user_data[channel].u_dac = user_data[channel].u_demand;
chn_bits[channel] &= ~DEMAND_CHANGED;
}
}
}
/* if HV switched off, set DAC to zero */
if (!(user_data[channel].control & CONTROL_HV_ON) &&
(chn_bits[channel] & DEMAND_CHANGED)) {
user_data[channel].u_dac = 0;
u_actual[channel] = 0;
set_hv(channel, 0);
chn_bits[channel] &= ~DEMAND_CHANGED;
}
watchdog_refresh(1);
}
int watchdog_init()
{
uchar* ctrl_addr = ( uchar* )HW_ADDR( WATCHDOG_CTRL, 0 );
watchdog_refresh();
/* Timeout 8 seconds */
*ctrl_addr = 0x07;
DEBUG_PRINT( DBG_WATCHDOG, "watchdog initialized to %c\n", ( uchar* )HW_READ( WATCHDOG_CTRL, 0 ) );
return ERR_NONE;
}
void lcd_send(unsigned char *buf, unsigned char len)
{
unsigned char idata status, i;
for (i=0 ; i<10 ; i++) {
lcd_sendbuf(buf, len);
delay_us(6);
status = lcd_io(0xFF);
if (status == ACK)
break;
watchdog_refresh(0);
delay_us(10);
}
}
void lcd_text(unsigned short x, unsigned short y, char align, char *str)
{
unsigned char status, i, j, cs, len;
len = strlen(str);
for (j=0 ; j<10 ; j++) {
lcd_io(DC1);
cs = DC1;
lcd_io(len+8);
cs += len+8;
lcd_io(ESC);
cs += ESC;
lcd_io('Z');
cs += 'Z';
lcd_io(align);
cs += align;
lcd_io(x & 0xFF);
cs += (x & 0xFF);
lcd_io(x >> 8);
cs += (x >> 8);
lcd_io(y & 0xFF);
cs += (y & 0xFF);
lcd_io(y >> 8);
cs += (y >> 8);
for (i=0 ; i<len+1 ; i++) {
lcd_io(str[i]);
cs += str[i];
}
lcd_io(cs);
delay_us(6);
status = lcd_io(0xFF);
if (status == ACK)
break;
watchdog_refresh(0);
delay_us(10);
}
}
static void dfu_reboot()
{
// Reboot to the Fadecandy Bootloader
boot_token = 0x74624346;
// Short delay to allow the host to receive the response to DFU_DETACH.
uint32_t deadline = millis() + 10;
while (millis() < deadline) {
watchdog_refresh();
}
// Detach from USB, and use the watchdog to time out a 10ms USB disconnect.
__disable_irq();
USB0_CONTROL = 0;
while (1);
}
void adc_read(channel, float *d)
{
unsigned long value;
unsigned int i, n;
float gvalue;
AMX0SL = channel & 0x0F;
ADC0CF = 0xE0; // 16 system clocks, gain 1
n = 1 << (8 + 4);
value = 0;
for (i = 0; i < n; i++) {
DISABLE_INTERRUPTS;
ADCINT = 0;
ADBUSY = 1;
while (!ADCINT); // wait until conversion ready, does NOT work with ADBUSY!
ENABLE_INTERRUPTS;
value += (ADC0L | (ADC0H << 8));
watchdog_refresh();
}
value >>= 8;
/* convert to volts */
gvalue = value / 65536.0 * 2.5;
/* external voltage divider */
gvalue *= 0.5 * user_conf.gain_cal;
/* convert to Ohms (15V supply, 2kOhm resistor) */
gvalue = (2000 * gvalue) / (15 - gvalue);
/* convert Ohms to Celsius, valid -100.100 deg., error <0.04K */
gvalue -= 100;
gvalue = 0.0011 * gvalue * gvalue + 2.5558 * gvalue;
/* correct for offset */
gvalue += user_conf.ofs_cal;
DISABLE_INTERRUPTS;
*d = gvalue;
ENABLE_INTERRUPTS;
}
extern "C" int main()
{
pinMode(LED_BUILTIN, OUTPUT);
leds.begin();
// Announce firmware version
serial_begin(BAUD2DIV(115200));
serial_print("Fadecandy v" DEVICE_VER_STRING "\r\n");
// Application main loop
while (usb_dfu_state == DFU_appIDLE) {
watchdog_refresh();
// Select a different drawing loop based on our firmware config flags
switch (buffers.flags & (CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING)) {
case 0:
default:
updateDrawBuffer_I1_D1(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION:
updateDrawBuffer_I0_D1(0x10000);
break;
case CFLAG_NO_DITHERING:
updateDrawBuffer_I1_D0(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING:
updateDrawBuffer_I0_D0(0x10000);
break;
}
// Start sending the next frame over DMA
leds.show();
// We can switch to the next frame's buffer now.
buffers.finalizeFrame();
// Performance counter, for monitoring frame rate externally
perf_frameCounter++;
}
// Reboot into DFU bootloader
dfu_reboot();
}
void ramp_hv(unsigned char channel)
{
unsigned char delta;
/* only process ramping when HV is on and not tripped */
if ((user_data[channel].control & CONTROL_HV_ON) &&
!(user_data[channel].status & STATUS_DISABLED)) {
if (chn_bits[channel] & DEMAND_CHANGED) {
/* start ramping */
if (user_data[channel].u_demand > u_actual[channel] &&
user_data[channel].ramp_up > 0) {
/* ramp up */
chn_bits[channel] |= RAMP_UP;
chn_bits[channel] &= ~RAMP_DOWN;
user_data[channel].status |= STATUS_RAMP_UP;
user_data[channel].status &= ~STATUS_RAMP_DOWN;
user_data[channel].status &= ~STATUS_RILIMIT;
chn_bits[channel] &= ~DEMAND_CHANGED;
}
if (user_data[channel].u_demand < u_actual[channel] &&
user_data[channel].ramp_down > 0) {
/* ramp down */
chn_bits[channel] &= ~RAMP_UP;
chn_bits[channel] |= RAMP_DOWN;
user_data[channel].status &= ~STATUS_RAMP_UP;
user_data[channel].status |= STATUS_RAMP_DOWN;
user_data[channel].status &= ~STATUS_RILIMIT;
chn_bits[channel] &= ~DEMAND_CHANGED;
}
/* remember start time */
t_ramp[channel] = time();
}
/* ramp up */
if (chn_bits[channel] & RAMP_UP) {
delta = time() - t_ramp[channel];
if (user_data[channel].i_meas > user_data[channel].ri_limit)
user_data[channel].status |= STATUS_RILIMIT;
else
user_data[channel].status &= ~STATUS_RILIMIT;
if (delta && user_data[channel].i_meas < user_data[channel].ri_limit) {
u_actual[channel] += (float) user_data[channel].ramp_up * delta / 100.0;
user_data[channel].u_dac = u_actual[channel];
if (u_actual[channel] >= user_data[channel].u_demand) {
/* finish ramping */
u_actual[channel] = user_data[channel].u_demand;
user_data[channel].u_dac = u_actual[channel];
chn_bits[channel] &= ~RAMP_UP;
user_data[channel].status &= ~STATUS_RAMP_UP;
user_data[channel].status &= ~STATUS_RILIMIT;
}
set_hv(channel, user_data[channel].u_dac);
t_ramp[channel] = time();
}
}
/* ramp down */
if (chn_bits[channel] & RAMP_DOWN) {
delta = time() - t_ramp[channel];
if (delta) {
u_actual[channel] -= (float) user_data[channel].ramp_down * delta / 100.0;
user_data[channel].u_dac = u_actual[channel];
/* handle trip ramping */
if (user_data[channel].status & STATUS_ILIMIT) {
if (u_actual[channel] <= 0) {
/* finish ramping */
u_actual[channel] = 0;
user_data[channel].u_dac = 0;
chn_bits[channel] &= ~RAMP_DOWN;
user_data[channel].status &= ~STATUS_RAMP_DOWN;
}
} else {
if (u_actual[channel] <= user_data[channel].u_demand) {
/* finish ramping */
u_actual[channel] = user_data[channel].u_demand;
user_data[channel].u_dac = u_actual[channel];
chn_bits[channel] &= ~RAMP_DOWN;
user_data[channel].status &= ~STATUS_RAMP_DOWN;
}
}
set_hv(channel, user_data[channel].u_dac);
t_ramp[channel] = time();
}
}
}
watchdog_refresh(1);
}
void user_loop(void)
{
unsigned char xdata channel, i;
/* loop over all HV channels */
for (channel=0 ; channel<N_HV_CHN ; channel++) {
watchdog_refresh(0);
if ((user_data[0].control & CONTROL_IDLE) == 0) {
/* set current limit if changed */
if (chn_bits[channel] & CUR_LIMIT_CHANGED) {
set_current_limit(user_data[channel].i_limit);
chn_bits[channel] &= ~CUR_LIMIT_CHANGED;
trip_reset = 1;
}
/* read back HV and current */
read_hv(channel);
read_current(channel);
/* check for current trip */
check_current(channel);
/* do ramping and regulation */
ramp_hv(channel);
regulation(channel);
/* set voltage regularly, in case DAC got HV spike */
set_hv(channel, user_data[channel].u_dac);
}
#ifdef HARDWARE_TRIP
if (trip_reset) {
reset_hardware_trip();
trip_reset = 0;
}
#endif
/* if crate HV switched off, set DAC to zero */
if (SW1) {
for (i = 0 ; i<N_HV_CHN ; i++ ) {
user_data[i].u_dac = 0;
user_data[i].status |= STATUS_DISABLED;
u_actual[i] = 0;
set_hv(i, 0);
}
old_sw1 = 1;
}
/* if crate HV switched on, indicated changed demand value*/
if (!SW1 && old_sw1) {
for (i = 0 ; i<N_HV_CHN ; i++ ) {
chn_bits[i] |= DEMAND_CHANGED;
user_data[i].status &= ~STATUS_DISABLED;
}
old_sw1 = 0;
}
}
/* reset ADC once all channels have been read */
reset_adc();
// read_temperature();
}
extern "C" int main()
{
uint32_t last = systick_millis_count;
uint32_t lastRender = 0;
uint16_t i = 0;
uint16_t j = 0;
uint8_t index = 0;
uint8_t startIndex = 0;
pinMode(LED_BUILTIN, OUTPUT);
for (i = 0; i < LUT_TOTAL_SIZE; i++)
{
buffers.lutCurrent.entries[i] = defaultLUT[i] >> 1;// (i % LUT_CH_SIZE) << 7;
}
#ifdef RAINBOW_LANTERNS
int16_t numSteps = 64;
#endif
leds.begin();
rainbow10[0] = rainbow7[0] = color(0xFF, 0, 0);
rainbow10[1] = rainbow7[1] = color(0xFF, 0xA5, 0);
rainbow10[2] = rainbow7[2] = color(0xFF, 0xFF, 0);
rainbow10[3] = rainbow7[3] = color(0, 0x80, 0);
rainbow10[4] = color(0, 0xFF, 0);
rainbow10[5] = color(0, 0xA5, 0x80);
rainbow10[6] = rainbow7[4] = color(0, 0, 0xFF);
rainbow10[7] = rainbow7[5] = color(0x4B, 0, 0x82);
rainbow10[8] = rainbow7[6] = color(0xFF, 0, 0xFF);
rainbow10[9] = color(0xEE, 0x82, 0xEE);
buffers.flags = CFLAG_NO_ACTIVITY_LED;
//buffers.flags |= CFLAG_LED_CONTROL;
// Announce firmware version
serial_begin(BAUD2DIV(115200));
serial_print("Fadecandy v" DEVICE_VER_STRING "\r\n");
//usb_serial_printf("test\n");
// Application main loop
while (usb_dfu_state == DFU_appIDLE) {
watchdog_refresh();
// Select a different drawing loop based on our firmware config flags
switch (buffers.flags & (CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING)) {
case 0:
default:
updateDrawBuffer_I1_D1(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION:
updateDrawBuffer_I0_D1(0x10000);
break;
case CFLAG_NO_DITHERING:
updateDrawBuffer_I1_D0(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING:
updateDrawBuffer_I0_D0(0x10000);
break;
}
//buffers.flags |= CFLAG_NO_ACTIVITY_LED;
// Start sending the next frame over DMA
leds.show();
if ((systick_millis_count - last) > 500)
{
//buffers.flags ^= CFLAG_LED_CONTROL;
last = systick_millis_count;
}
#ifdef RAINBOW_CIRCLE
if ((systick_millis_count - lastRender) > 500)
{
buffers.flags ^= CFLAG_LED_CONTROL;
lastRender = systick_millis_count;
index = startIndex;
for (i = 0; i < 52/*32*/; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 7 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
index = (index + 1) % 7;
}
for (i = 0; i < 20; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 6 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
index = (index + 1) % 7;
}
startIndex = (startIndex + 1) % 7;
buffers.finalizeFramebuffer();
}
#endif
#ifdef RAINBOW_TOPHAT
(void)j;
if ((systick_millis_count - lastRender) > 500)
{
buffers.flags ^= CFLAG_LED_CONTROL;
lastRender = systick_millis_count;
index = startIndex;
for (i = 0; i < 52/*32*/; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 7 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
if (i>0 && i % 5 == 0)
{
index = (index + 1) % 7;
}
}
for (i = 0; i < 20; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 6 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
index = (index + 1) % 7;
}
startIndex = (startIndex + 1) % 7;
buffers.finalizeFramebuffer();
}
#endif
#ifdef RAINBOW_LANTERNS
/*(void)j;
(void)index;
(void)startIndex;
if ((systick_millis_count - lastRender) > 500)
{
buffers.flags ^= CFLAG_LED_CONTROL;
lastRender = systick_millis_count;
for (i = 0; i < 20; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 7 + i);
int16_t direction = directions[i] < 0 ? -1 : 1;
uint32_t color1 = rainbow7[indexes[i]];
int16_t index2 = indexes[i] + direction;
if (index2 < 0)
{
index2 = 6;
}
else if (index2 >= 7)
{
index2 = 0;
}
uint32_t color2 = rainbow7[index2];
int32_t reddiff = RED(color2) - RED(color1);
int32_t bluediff = BLUE(color2) - BLUE(color1);
int32_t greendiff = GREEN(color2) - BLUE(color1);
reddiff *= steps[i];
reddiff /= numSteps;
bluediff *= steps[i];
bluediff /= numSteps;
greendiff *= steps[i];
greendiff /= numSteps;
pixel[0] = RED(color1) + reddiff;
pixel[1] = GREEN(color1) + greendiff;
pixel[2] = BLUE(color1) + bluediff;
steps[i] += abs(directions[i]);
if (steps[i] >= numSteps)
{
steps[i] = 0;
indexes[i] = index2;
}
}
buffers.finalizeFramebuffer();
}*/
(void)j;
(void)numSteps;
if ((systick_millis_count - lastRender) > 5000)
{
buffers.flags ^= CFLAG_LED_CONTROL;
lastRender = systick_millis_count;
index = startIndex;
for (i = 0; i < 20/*32*/; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 7 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
if (i>0 && i % 2 == 0)
{
index = (index + 1) % 7;
}
}
for (i = 0; i < 20; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 6 + i);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
index = (index + 1) % 7;
}
startIndex = (startIndex + 1) % 7;
buffers.finalizeFramebuffer();
}
#endif
#ifdef PARASOL
if ((systick_millis_count - lastRender) > 500)
{
buffers.flags ^= CFLAG_LED_CONTROL;
lastRender = systick_millis_count;
index = startIndex;
for (i = 0; i < 8; i++)
{
for (j = 0; j < 3; j++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * i + j);
uint32_t color = rainbow7[index];
pixel[0] = RED(color);
pixel[1] = GREEN(color);
pixel[2] = BLUE(color);
}
index = (index + 1) % 7;
}
startIndex = (startIndex + 1) % 7;
buffers.finalizeFramebuffer();
}
#endif
#ifdef SMOOTH_RAINBOW
(void)startIndex;
(void)j;
if ((systick_millis_count - lastRender) > 30)
{
lastRender = systick_millis_count;
uint32_t ledIndex = 0;
if (index >= 16)
{
buffers.flags ^= CFLAG_LED_CONTROL;
index = 0;
}
index++;
float color1[3];
float color2[3];
for (i = 0; i < 32; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 7 + i);
pixel[0] = 0xFF;
pixel[1] = 0;
pixel[2] = 0;
float scaled = ledIndex / 44.0f;
//fix16_t noise = 32768; (void)scaled;
float noise = .5f + noise2(scaled, time);
//float noise = .5f + fbm_noise3(scaled, time, .5f, 4, .25f, 2.0f);
noise = fmax(fmin(1, noise), 0);
float mult = 9 * noise;
float index1 = floor(mult);
float index2 = ceil(mult);
float percent = mult - index1;
uint32_t color = rainbow10[(int)index1];
color1[0] = RED(color);
color1[1] = GREEN(color);
color1[2] = BLUE(color);
color = rainbow10[(int)index2];
color2[0] = RED(color);
color2[1] = GREEN(color);
color2[2] = BLUE(color);
pixel[0] = (uint8_t)((int)(color1[0] + ((color2[0] - color1[0]) * percent)) & 0xFF);
pixel[1] = (uint8_t)((int)(color1[1] + ((color2[1] - color1[1]) * percent)) & 0xFF);
pixel[2] = (uint8_t)((int)(color1[2] + ((color2[2] - color1[2]) * percent)) & 0xFF);
ledIndex++;
}
/*
for (i = 0; i < 12; i++)
{
uint8_t* pixel = buffers.fbNew->pixel(LEDS_PER_STRIP * 6 + i);
pixel[0] = 0xFF;
pixel[1] = 0;
pixel[2] = 0;
float scaled = ledIndex / 44.0f;
(void)scaled;
float noise = 32768;
//noise2(scaled, time);
//fix16_t noise = 32768 + noise2(scaled, time);
//fix16_t noise = 32768 + fbm_noise3(scaled, time, 0, 4, 16384, 131072);
noise = fmax(fmin(noise, 1), 0);
float mult = 9 * noise;
float index1 = floor(mult);
float index2 = ceil(mult);
float percent = mult - index1;
(void)index2;
(void)percent;
uint32_t color = rainbow10[1];// fix16_to_int(index1)];
color1[0] = RED(color);
color1[1] = GREEN(color);
color1[2] = BLUE(color);
color = rainbow10[2];// fix16_to_int(index2)];
color2[0] = RED(color);
color2[1] = GREEN(color);
color2[2] = BLUE(color);
pixel[0] = (uint8_t)((int)(color1[0] + ((color2[0] - color1[0]) * percent)) & 0xFF);
pixel[1] = (uint8_t)((int)(color1[1] + ((color2[1] - color1[1]) * percent)) & 0xFF);
pixel[2] = (uint8_t)((int)(color1[2] + ((color2[2] - color1[2]) * percent)) & 0xFF);
ledIndex++;
} */
time = (time + timestep);
buffers.finalizeFramebuffer();
}
#endif
// We can switch to the next frame's buffer now.
buffers.finalizeFrame();
// Performance counter, for monitoring frame rate externally
perf_frameCounter++;
}
// Reboot into DFU bootloader
dfu_reboot();
}