diff options
Diffstat (limited to 'keyboards/work_louder/rgb_functions.c')
-rw-r--r-- | keyboards/work_louder/rgb_functions.c | 154 |
1 files changed, 5 insertions, 149 deletions
diff --git a/keyboards/work_louder/rgb_functions.c b/keyboards/work_louder/rgb_functions.c index c9106b3976..d0cb93ccbc 100644 --- a/keyboards/work_louder/rgb_functions.c +++ b/keyboards/work_louder/rgb_functions.c @@ -18,159 +18,15 @@ #include "rgb_functions.h" #ifdef RGBLIGHT_ENABLE -# include "ws2812.h" -# include <avr/interrupt.h> -# include <avr/io.h> -# include <util/delay.h> +#undef RGB_DI_PIN +#define RGB_DI_PIN RGBLIGHT_DI_PIN -# define pinmask(pin) (_BV((pin)&0xF)) +#define ws2812_setleds ws2812_rgb_setleds -/* - * Forward declare internal functions - * - * The functions take a byte-array and send to the data output as WS2812 bitstream. - * The length is the number of bytes to send - three per LED. - */ - -static inline void ws2812_sendarray_mask(uint8_t *data, uint16_t datlen, uint8_t masklo, uint8_t maskhi); - -/* - This routine writes an array of bytes with RGB values to the Dataout pin - using the fast 800kHz clockless WS2811/2812 protocol. -*/ - -// Timing in ns -# define w_zeropulse 350 -# define w_onepulse 900 -# define w_totalperiod 1250 - -// Fixed cycles used by the inner loop -# define w_fixedlow 2 -# define w_fixedhigh 4 -# define w_fixedtotal 8 - -// Insert NOPs to match the timing, if possible -# define w_zerocycles (((F_CPU / 1000) * w_zeropulse) / 1000000) -# define w_onecycles (((F_CPU / 1000) * w_onepulse + 500000) / 1000000) -# define w_totalcycles (((F_CPU / 1000) * w_totalperiod + 500000) / 1000000) - -// w1_nops - nops between rising edge and falling edge - low -# if w_zerocycles >= w_fixedlow -# define w1_nops (w_zerocycles - w_fixedlow) -# else -# define w1_nops 0 -# endif - -// w2_nops - nops between fe low and fe high -# if w_onecycles >= (w_fixedhigh + w1_nops) -# define w2_nops (w_onecycles - w_fixedhigh - w1_nops) -# else -# define w2_nops 0 -# endif - -// w3_nops - nops to complete loop -# if w_totalcycles >= (w_fixedtotal + w1_nops + w2_nops) -# define w3_nops (w_totalcycles - w_fixedtotal - w1_nops - w2_nops) -# else -# define w3_nops 0 -# endif - -// The only critical timing parameter is the minimum pulse length of the "0" -// Warn or throw error if this timing can not be met with current F_CPU settings. -# define w_lowtime ((w1_nops + w_fixedlow) * 1000000) / (F_CPU / 1000) -# if w_lowtime > 550 -# error "Light_ws2812: Sorry, the clock speed is too low. Did you set F_CPU correctly?" -# elif w_lowtime > 450 -# warning "Light_ws2812: The timing is critical and may only work on WS2812B, not on WS2812(S)." -# warning "Please consider a higher clockspeed, if possible" -# endif - -# define w_nop1 "nop \n\t" -# define w_nop2 "rjmp .+0 \n\t" -# define w_nop4 w_nop2 w_nop2 -# define w_nop8 w_nop4 w_nop4 -# define w_nop16 w_nop8 w_nop8 - -static inline void ws2812_sendarray_mask(uint8_t *data, uint16_t datlen, uint8_t masklo, uint8_t maskhi) { - uint8_t curbyte, ctr, sreg_prev; - - sreg_prev = SREG; - cli(); - - while (datlen--) { - curbyte = (*data++); - - asm volatile(" ldi %0,8 \n\t" - "loop%=: \n\t" - " out %2,%3 \n\t" // '1' [01] '0' [01] - re -# if (w1_nops & 1) - w_nop1 -# endif -# if (w1_nops & 2) - w_nop2 -# endif -# if (w1_nops & 4) - w_nop4 -# endif -# if (w1_nops & 8) - w_nop8 -# endif -# if (w1_nops & 16) - w_nop16 -# endif - " sbrs %1,7 \n\t" // '1' [03] '0' [02] - " out %2,%4 \n\t" // '1' [--] '0' [03] - fe-low - " lsl %1 \n\t" // '1' [04] '0' [04] -# if (w2_nops & 1) - w_nop1 -# endif -# if (w2_nops & 2) - w_nop2 -# endif -# if (w2_nops & 4) - w_nop4 -# endif -# if (w2_nops & 8) - w_nop8 -# endif -# if (w2_nops & 16) - w_nop16 -# endif - " out %2,%4 \n\t" // '1' [+1] '0' [+1] - fe-high -# if (w3_nops & 1) - w_nop1 -# endif -# if (w3_nops & 2) - w_nop2 -# endif -# if (w3_nops & 4) - w_nop4 -# endif -# if (w3_nops & 8) - w_nop8 -# endif -# if (w3_nops & 16) - w_nop16 -# endif - - " dec %0 \n\t" // '1' [+2] '0' [+2] - " brne loop%=\n\t" // '1' [+3] '0' [+4] - : "=&d"(ctr) - : "r"(curbyte), "I"(_SFR_IO_ADDR(PORTx_ADDRESS(RGBLIGHT_DI_PIN))), "r"(maskhi), "r"(masklo)); - } - - SREG = sreg_prev; -} +#include "ws2812.c" void rgblight_call_driver(LED_TYPE *start_led, uint8_t num_leds) { - DDRx_ADDRESS(RGBLIGHT_DI_PIN) |= pinmask(RGBLIGHT_DI_PIN); - - uint8_t masklo = ~(pinmask(RGBLIGHT_DI_PIN)) & PORTx_ADDRESS(RGBLIGHT_DI_PIN); - uint8_t maskhi = pinmask(RGBLIGHT_DI_PIN) | PORTx_ADDRESS(RGBLIGHT_DI_PIN); - - ws2812_sendarray_mask((uint8_t *)start_led, num_leds * sizeof(LED_TYPE), masklo, maskhi); - - _delay_us(WS2812_TRST_US); + ws2812_setleds(start_led, num_leds); } #endif |