electronics/sabik-cpu
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wip: Adapt for RGBed

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This commit is contained in:
Markus Koch 2021-07-17 17:31:33 +02:00
parent 08a2581297
commit d5ac0d7277
4 changed files with 15 additions and 7 deletions
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4
firmware/ccconfig.h
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@ -2,8 +2,8 @@
#define _CCCONFIG_H #define _CCCONFIG_H
#define CCEMBEDDED #define CCEMBEDDED
#define NUM_LIN_LEDS 60 #define NUM_LIN_LEDS 66
#define USE_NUM_LIN_LEDS 60 #define USE_NUM_LIN_LEDS NUM_LIN_LEDS
#define DFREQ (40000) #define DFREQ (40000)
#endif #endif

2
firmware/main.c
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@ -179,7 +179,7 @@ int main(void)
this_samp = (this_samp+1)%CIRCBUFSIZE; this_samp = (this_samp+1)%CIRCBUFSIZE;
wf++; wf++;
if( wf == 128 ) if( wf == 128 * 2)
{ {
NewFrame(); NewFrame();
wf = 0; wf = 0;

15
firmware/spi2812.c
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@ -282,13 +282,14 @@ void SendSPI2812( unsigned char * lightarray, int length )
static const uint8_t aoarray[4] = { 0b10001000, 0b10001110, 0b11101000, 0b11101110 }; static const uint8_t aoarray[4] = { 0b10001000, 0b10001110, 0b11101000, 0b11101110 };
int i; int i;
if( length > SPI2812_MAX_LEDS ) length = SPI2812_MAX_LEDS; int subdiv = 0;
uint8_t * buffbase = &MyBuffer[ZERO_BUFFER];
MyBuffer[0] = 0; if( length * SPI2812_LED_SCALING > SPI2812_MAX_LEDS ) length = SPI2812_MAX_LEDS;
for( i = 0; i < length; i++ )
for( i = 0; i < length;)
{ {
uint8_t * colorbase = &lightarray[i*3]; uint8_t * colorbase = &lightarray[i*3];
uint8_t * buffbase = &MyBuffer[i*24/2+ZERO_BUFFER];
int j; int j;
for( j = 0; j < 3; j++ ) for( j = 0; j < 3; j++ )
@ -300,11 +301,17 @@ void SendSPI2812( unsigned char * lightarray, int length )
*(buffbase++) = aoarray[(c>>2)&3]; *(buffbase++) = aoarray[(c>>2)&3];
*(buffbase++) = aoarray[(c>>0)&3]; *(buffbase++) = aoarray[(c>>0)&3];
} }
if (++subdiv == SPI2812_LED_SCALING) {
subdiv = 0;
i++;
}
} }
for( i = 0; i < ZERO_BUFFER; i++ ) for( i = 0; i < ZERO_BUFFER; i++ )
MyBuffer[i] = 0; MyBuffer[i] = 0;
length *= SPI2812_LED_SCALING;
length *= 24/2; length *= 24/2;
length += ZERO_BUFFER; length += ZERO_BUFFER;

1
firmware/spi2812.h
View File

@ -6,6 +6,7 @@
//24 bits per LED, can fit two bits per byte of output. //24 bits per LED, can fit two bits per byte of output.
#define SPI2812_BUFFSIZE (SPI2812_MAX_LEDS*24/2) #define SPI2812_BUFFSIZE (SPI2812_MAX_LEDS*24/2)
#define SPI2812_LED_SCALING 3
void InitSPI2812(); void InitSPI2812();
void SendSPI2812( unsigned char * lightarray, int leds ); //Need one R, G, B per element. void SendSPI2812( unsigned char * lightarray, int leds ); //Need one R, G, B per element.