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Make u8g_outData and friends static #22826

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Sep 25, 2021
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Make u8g_outData and friends static #22826

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4 changes: 2 additions & 2 deletions Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,8 @@

#include <U8glib-HAL.h>

uint8_t u8g_bitData, u8g_bitNotData, u8g_bitClock, u8g_bitNotClock;
volatile uint8_t *u8g_outData, *u8g_outClock;
static uint8_t u8g_bitData, u8g_bitNotData, u8g_bitClock, u8g_bitNotClock;
static volatile uint8_t *u8g_outData, *u8g_outClock;

static void u8g_com_arduino_init_shift_out(uint8_t dataPin, uint8_t clockPin) {
u8g_outData = portOutputRegister(digitalPinToPort(dataPin));
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