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Reduce STM32F4 compile warnings

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This commit is contained in:
Scott Lahteine 2018-10-01 04:31:30 -05:00
parent ccef14e2b2
commit 606a4362b3
3 changed files with 3 additions and 1 deletions
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1
Marlin/src/HAL/HAL_STM32F4/HAL.h
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@ -110,6 +110,7 @@
#define NUM_SERIAL 1
#endif
#undef _BV
#define _BV(b) (1 << (b))
/**

1
Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
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@ -29,6 +29,7 @@
#ifndef _FASTIO_STM32F4_H
#define _FASTIO_STM32F4_H
#undef _BV
#define _BV(b) (1 << (b))
#define USEABLE_HARDWARE_PWM(p) true

2
Marlin/src/core/macros.h
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@ -57,7 +57,7 @@
#define NANOSECONDS_PER_CYCLE (1000000000.0 / F_CPU)
// Remove compiler warning on an unused variable
#define UNUSED(x) (void) (x)
#define UNUSED(x) ((void)(x))
// Macros to make a string from a macro
#define STRINGIFY_(M) #M