From b1935c5e0dcd1adf32df652c65deffad35cd7405 Mon Sep 17 00:00:00 2001 From: MechMerlin <30334081+mechmerlin@users.noreply.github.com> Date: Tue, 28 Aug 2018 16:52:30 -0700 Subject: Putting my ducks in a row: Eagle/Viper V2 into Duck directory (#3766) * mv eagle_viper into duck * delete files * remove eagle_viper .c and .h --- keyboards/duck/eagle_viper/v2/indicator_leds.c | 89 ++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 keyboards/duck/eagle_viper/v2/indicator_leds.c (limited to 'keyboards/duck/eagle_viper/v2/indicator_leds.c') diff --git a/keyboards/duck/eagle_viper/v2/indicator_leds.c b/keyboards/duck/eagle_viper/v2/indicator_leds.c new file mode 100644 index 0000000000..03a93197da --- /dev/null +++ b/keyboards/duck/eagle_viper/v2/indicator_leds.c @@ -0,0 +1,89 @@ +/* +Copyright 2017 MechMerlin + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . +*/ +#include +#include +#include +#include +#include "indicator_leds.h" + +#define RES 6000 + +#define LED_T1H 600 +#define LED_T1L 650 +#define LED_T0H 250 +#define LED_T0L 1000 + +#define NS_PER_SEC (1000000000L) +#define CYCLES_PER_SEC (F_CPU) +#define NS_PER_CYCLE (NS_PER_SEC / CYCLES_PER_SEC) +#define NS_TO_CYCLES(n) ((n) / NS_PER_CYCLE) + +void send_bit_d4(bool bitVal) { + if(bitVal) { + asm volatile ( + "sbi %[port], %[bit] \n\t" + ".rept %[onCycles] \n\t" + "nop \n\t" + ".endr \n\t" + "cbi %[port], %[bit] \n\t" + ".rept %[offCycles] \n\t" + "nop \n\t" + ".endr \n\t" + :: + [port] "I" (_SFR_IO_ADDR(PORTD)), + [bit] "I" (4), + [onCycles] "I" (NS_TO_CYCLES(LED_T1H) - 2), + [offCycles] "I" (NS_TO_CYCLES(LED_T1L) - 2)); + } else { + asm volatile ( + "sbi %[port], %[bit] \n\t" + ".rept %[onCycles] \n\t" + "nop \n\t" + ".endr \n\t" + "cbi %[port], %[bit] \n\t" + ".rept %[offCycles] \n\t" + "nop \n\t" + ".endr \n\t" + :: + [port] "I" (_SFR_IO_ADDR(PORTD)), + [bit] "I" (4), + [onCycles] "I" (NS_TO_CYCLES(LED_T0H) - 2), + [offCycles] "I" (NS_TO_CYCLES(LED_T0L) - 2)); + } +} + +void show(void) { + _delay_us((RES / 1000UL) + 1); +} + +void send_value(uint8_t byte) { + for(uint8_t b = 0; b < 8; b++) { + send_bit_d4(byte & 0b10000000); + byte <<= 1; + } +} + +// Send the LED indicators to the WS2811S chips +void indicator_leds_set(bool leds[8]) { + uint8_t led_cnt; + + cli(); + for(led_cnt = 0; led_cnt < 8; led_cnt++) + send_value(leds[led_cnt] ? 255 : 0); + sei(); + show(); +} -- cgit v1.2.3