summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/avr/ws2812.c129
1 files changed, 2 insertions, 127 deletions
diff --git a/drivers/avr/ws2812.c b/drivers/avr/ws2812.c
index dc7e8d48a8..82d985c20a 100644
--- a/drivers/avr/ws2812.c
+++ b/drivers/avr/ws2812.c
@@ -36,108 +36,6 @@
void ws2812_sendarray(uint8_t *array, uint16_t length);
void ws2812_sendarray_mask(uint8_t *array, uint16_t length, uint8_t pinmask);
-#ifdef RGBW_BB_TWI
-
-// Port for the I2C
-# define I2C_DDR DDRD
-# define I2C_PIN PIND
-# define I2C_PORT PORTD
-
-// Pins to be used in the bit banging
-# define I2C_CLK 0
-# define I2C_DAT 1
-
-# define I2C_DATA_HI() \
- I2C_DDR &= ~(1 << I2C_DAT); \
- I2C_PORT |= (1 << I2C_DAT);
-# define I2C_DATA_LO() \
- I2C_DDR |= (1 << I2C_DAT); \
- I2C_PORT &= ~(1 << I2C_DAT);
-
-# define I2C_CLOCK_HI() \
- I2C_DDR &= ~(1 << I2C_CLK); \
- I2C_PORT |= (1 << I2C_CLK);
-# define I2C_CLOCK_LO() \
- I2C_DDR |= (1 << I2C_CLK); \
- I2C_PORT &= ~(1 << I2C_CLK);
-
-# define I2C_DELAY 1
-
-void I2C_WriteBit(unsigned char c) {
- if (c > 0) {
- I2C_DATA_HI();
- } else {
- I2C_DATA_LO();
- }
-
- I2C_CLOCK_HI();
- _delay_us(I2C_DELAY);
-
- I2C_CLOCK_LO();
- _delay_us(I2C_DELAY);
-
- if (c > 0) {
- I2C_DATA_LO();
- }
-
- _delay_us(I2C_DELAY);
-}
-
-// Inits bitbanging port, must be called before using the functions below
-//
-void I2C_Init(void) {
- I2C_PORT &= ~((1 << I2C_DAT) | (1 << I2C_CLK));
-
- I2C_CLOCK_HI();
- I2C_DATA_HI();
-
- _delay_us(I2C_DELAY);
-}
-
-// Send a START Condition
-//
-void I2C_Start(void) {
- // set both to high at the same time
- I2C_DDR &= ~((1 << I2C_DAT) | (1 << I2C_CLK));
- _delay_us(I2C_DELAY);
-
- I2C_DATA_LO();
- _delay_us(I2C_DELAY);
-
- I2C_CLOCK_LO();
- _delay_us(I2C_DELAY);
-}
-
-// Send a STOP Condition
-//
-void I2C_Stop(void) {
- I2C_CLOCK_HI();
- _delay_us(I2C_DELAY);
-
- I2C_DATA_HI();
- _delay_us(I2C_DELAY);
-}
-
-// write a byte to the I2C slave device
-//
-unsigned char I2C_Write(unsigned char c) {
- for (char i = 0; i < 8; i++) {
- I2C_WriteBit(c & 128);
-
- c <<= 1;
- }
-
- I2C_WriteBit(0);
- _delay_us(I2C_DELAY);
- _delay_us(I2C_DELAY);
-
- // _delay_us(I2C_DELAY);
- // return I2C_ReadBit();
- return 0;
-}
-
-#endif
-
// Setleds for standard RGB
void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
// ws2812_setleds_pin(ledarray,leds, _BV(ws2812_pin));
@@ -145,38 +43,15 @@ void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
}
void inline ws2812_setleds_pin(LED_TYPE *ledarray, uint16_t leds, uint8_t pinmask) {
-#ifdef RGBW_BB_TWI
- uint8_t sreg_prev, twcr_prev;
- sreg_prev = SREG;
- twcr_prev = TWCR;
- cli();
- TWCR &= ~(1 << TWEN);
- I2C_Init();
- I2C_Start();
- I2C_Write(0x84);
- uint16_t datlen = leds << 2;
- uint8_t curbyte;
- uint8_t *data = (uint8_t *)ledarray;
- while (datlen--) {
- curbyte = *data++;
- I2C_Write(curbyte);
- }
- I2C_Stop();
- SREG = sreg_prev;
- TWCR = twcr_prev;
-#endif
- // ws2812_DDRREG |= pinmask; // Enable DDR
// new universal format (DDR)
_SFR_IO8((RGB_DI_PIN >> 4) + 1) |= pinmask;
ws2812_sendarray_mask((uint8_t *)ledarray, leds * sizeof(LED_TYPE), pinmask);
-#ifndef RGBW_BB_TWI
-# ifdef RGBW
+#ifdef RGBW
_delay_us(80);
-# else
+#else
_delay_us(50);
-# endif
#endif
}