Tweak some Max7219 code

This commit is contained in:
Scott Lahteine 2018-07-19 18:49:39 -05:00
parent 4195757585
commit 76d4cfb064

View File

@ -163,7 +163,7 @@ inline uint32_t flipped(const uint32_t bits, const uint8_t n_bytes) {
outbits = (outbits << 1); outbits = (outbits << 1);
if (bits & mask) if (bits & mask)
outbits |= 1; outbits |= 1;
mask = mask << 1; mask <<= 1;
} }
return outbits; return outbits;
} }
@ -210,7 +210,7 @@ void Max7219_Set_Row(const uint8_t row, const uint32_t val) {
SET_PIXEL_7219((MAX7219_X_LEDS-1-x), row); SET_PIXEL_7219((MAX7219_X_LEDS-1-x), row);
else else
CLEAR_PIXEL_7219((MAX7219_X_LEDS-1-x), row); CLEAR_PIXEL_7219((MAX7219_X_LEDS-1-x), row);
mask = mask << 1; mask <<= 1;
} }
#if _ROT == 90 || _ROT == 270 #if _ROT == 90 || _ROT == 270
@ -244,7 +244,7 @@ void Max7219_Set_Column(const uint8_t col, const uint32_t val) {
SET_PIXEL_7219(col, MAX7219_Y_LEDS-1-y); SET_PIXEL_7219(col, MAX7219_Y_LEDS-1-y);
else else
CLEAR_PIXEL_7219(col, MAX7219_Y_LEDS-1-y); CLEAR_PIXEL_7219(col, MAX7219_Y_LEDS-1-y);
mask = mask << 1; mask <<= 1;
} }
#if _ROT == 90 || _ROT == 270 #if _ROT == 90 || _ROT == 270
SEND_7219(col); // force the column out to the Max7219 chips and strobe them SEND_7219(col); // force the column out to the Max7219 chips and strobe them