Remove OLED code and set I2C rate back to 100kHz

[qmk_firmware.git] / quantum / light_ws2812.c

diff --git a/quantum/light_ws2812.c b/quantum/light_ws2812.c
index 497543339b76674f022ed7091f73aa8f7af5d9b1..2506e3d8ec63e31609c33a1bbe3e572ab39dadf5 100755 (executable)
--- a/quantum/light_ws2812.c
+++ b/quantum/light_ws2812.c
@@ -7,7 +7,18 @@
 * Jan 18th, 2014  v2.0b Initial Version
 * Nov 29th, 2015  v2.3  Added SK6812RGBW support
 *
-* License: GNU GPL v2 (see License.txt)
+* 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 <http://www.gnu.org/licenses/>.
 */
 
 #include "light_ws2812.h"
@@ -16,8 +27,6 @@
 #include <util/delay.h>
 #include "debug.h"
 
-#define RGBW_BB_TWI 1
-
 #ifdef RGBW_BB_TWI
 
 // Port for the I2C
@@ -72,7 +81,7 @@ void I2C_WriteBit(unsigned char c)
 
 // Inits bitbanging port, must be called before using the functions below
 //
-void I2C_Init()
+void I2C_Init(void)
 {
     I2C_PORT &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
 
@@ -84,7 +93,7 @@ void I2C_Init()
 
 // Send a START Condition
 //
-void I2C_Start()
+void I2C_Start(void)
 {
     // set both to high at the same time
     I2C_DDR &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
@@ -99,7 +108,7 @@ void I2C_Start()
 
 // Send a STOP Condition
 //
-void I2C_Stop()
+void I2C_Stop(void)
 {
     I2C_CLOCK_HI();
     _delay_us(I2C_DELAY);
@@ -133,13 +142,13 @@ unsigned char I2C_Write(unsigned char c)
 #endif
 
 // Setleds for standard RGB
-void inline ws2812_setleds(struct cRGB *ledarray, uint16_t leds)
+void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds)
 {
    // ws2812_setleds_pin(ledarray,leds, _BV(ws2812_pin));
    ws2812_setleds_pin(ledarray,leds, _BV(RGB_DI_PIN & 0xF));
 }
 
-void inline ws2812_setleds_pin(struct cRGB *ledarray, uint16_t leds, uint8_t pinmask)
+void inline ws2812_setleds_pin(LED_TYPE *ledarray, uint16_t leds, uint8_t pinmask)
 {
   // ws2812_DDRREG |= pinmask; // Enable DDR
   // new universal format (DDR)
@@ -150,12 +159,15 @@ void inline ws2812_setleds_pin(struct cRGB *ledarray, uint16_t leds, uint8_t pin
 }
 
 // Setleds for SK6812RGBW
-void inline ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t leds)
+void inline ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t leds)
 {
 
   #ifdef RGBW_BB_TWI
+    uint8_t sreg_prev, twcr_prev;
+    sreg_prev=SREG;
+    twcr_prev=TWCR;
     cli();
-    TWCR = 0;
+    TWCR &= ~(1<<TWEN);
     I2C_Init();
     I2C_Start();
     I2C_Write(0x84);
@@ -167,9 +179,8 @@ void inline ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t leds)
       I2C_Write(curbyte);
     }
     I2C_Stop();
-    sei();
-  #else
-    _delay_us(80);
+    SREG=sreg_prev;
+    TWCR=twcr_prev;
   #endif
 
 
@@ -180,7 +191,9 @@ void inline ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t leds)
   ws2812_sendarray_mask((uint8_t*)ledarray,leds<<2,_BV(RGB_DI_PIN & 0xF));
 
 
-
+  #ifndef RGBW_BB_TWI
+    _delay_us(80);
+  #endif
 }
 
 void ws2812_sendarray(uint8_t *data,uint16_t datlen)