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correct Mega 8-bit shield on Due

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prenticedavid
2016-08-06 20:53:47 +01:00
parent 78249f1b7d
commit e05b31446d
1 changed files with 8 additions and 7 deletions
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15
mcufriend_special.h
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@@ -723,16 +723,17 @@ static inline void write_8(uint8_t val)
#define DMASK ((15<<0)|(1<<6)) //PD0-PD3, PD6 D25-D28,D29
#define write_8(x) { PIOA->PIO_CODR = AMASK; PIOB->PIO_CODR = BMASK; PIOD->PIO_CODR = DMASK; \
PIOA->PIO_SODR = (((x)&(3<<9))<<5); \
PIOB->PIO_SODR = (((x)&(1<<8))<<18); \
PIOD->PIO_SODR = (((x)&(1<<7))<<2)|(((x)&(1<<5))<<5)|(((x)&(15<<11))>>11)|(((x)&(1<<15))>>9); \
PIOB->PIO_SODR = (((x)&(1<<0))<<26); \
PIOA->PIO_SODR = (((x)&(3<<1))<<13); \
PIOD->PIO_SODR = (((x)&(15<<3))>>3); \
PIOD->PIO_SODR = (((x)&(1<<7))>>1); \
}
#define read_8() ( 0\
|((PIOB->PIO_PDSR & (1<<26))>>18)\
|((PIOA->PIO_PDSR & (3<<14))>>5)\
|((PIOD->PIO_PDSR & (15<<0))<<11)\
|((PIOD->PIO_PDSR & (1<<6))<<9)\
|((PIOB->PIO_PDSR & (1<<26))>>26)\
|((PIOA->PIO_PDSR & (3<<14))>>13)\
|((PIOD->PIO_PDSR & (15<<0))<<3)\
|((PIOD->PIO_PDSR & (1<<6))<<1)\
)
#define setWriteDir() {\