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EVERY-4809 with Nano-Shield_Adapter

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prenticedavid
2019-06-30 09:57:22 +01:00
parent 027269fbfa
commit e6231a0acd
1 changed files with 67 additions and 0 deletions
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67
utility/mcufriend_shield.h
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@@ -90,6 +90,73 @@
#define PIN_HIGH(p, b) (p) |= (1<<(b))
#define PIN_OUTPUT(p, b) *(&p-1) |= (1<<(b))
//################################### MEGA4809 NANO_EVERY ##############################
#elif defined(__AVR_ATmega4809__) && defined(ARDUINO_AVR_NANO_EVERY) // EVERY-4809 with Nano-Shield_Adapter
#warning EVERY-4809 with Nano-Shield_Adapter using VPORT.OUT and BLD/BST
#define RD_PORT VPORTD //
#define RD_PIN 3
#define WR_PORT VPORTD
#define WR_PIN 2
#define CD_PORT VPORTD
#define CD_PIN 1
#define CS_PORT VPORTD
#define CS_PIN 0
#define RESET_PORT VPORTF
#define RESET_PIN 2
#define AMASK (3<<0)
#define BMASK (5<<0)
#define CMASK (1<<6)
#define EMASK (1<<3)
#define FMASK (3<<4)
static __attribute((always_inline))
void write_8(uint8_t val)
{
asm volatile("in __tmp_reg__,0x01" "\n\t" //VPORTA.OUT
"BST %0,2" "\n\t" "BLD __tmp_reg__,0" "\n\t"
"BST %0,7" "\n\t" "BLD __tmp_reg__,1" "\n\t"
"out 0x01,__tmp_reg__" : : "a" (val));
asm volatile("in __tmp_reg__,0x05" "\n\t" //VPORTB.OUT
"BST %0,1" "\n\t" "BLD __tmp_reg__,0" "\n\t"
"BST %0,5" "\n\t" "BLD __tmp_reg__,2" "\n\t"
"out 0x05,__tmp_reg__" : : "a" (val));
asm volatile("in __tmp_reg__,0x09" "\n\t" //VPORTC.OUT
"BST %0,4" "\n\t" "BLD __tmp_reg__,6" "\n\t"
"out 0x09,__tmp_reg__" : : "a" (val));
asm volatile("in __tmp_reg__,0x11" "\n\t" //VPORTE.OUT
"BST %0,0" "\n\t" "BLD __tmp_reg__,3" "\n\t"
"out 0x11,__tmp_reg__" : : "a" (val));
asm volatile("in __tmp_reg__,0x15" "\n\t" //VPORTF.OUT
"BST %0,3" "\n\t" "BLD __tmp_reg__,5" "\n\t"
"BST %0,6" "\n\t" "BLD __tmp_reg__,4" "\n\t"
"out 0x15,__tmp_reg__" : : "a" (val));
}
#define read_8() ( 0 \
| ((VPORTA_IN & (1<<0)) << 2)\
| ((VPORTA_IN & (1<<1)) << 6)\
| ((VPORTB_IN & (1<<0)) << 1)\
| ((VPORTB_IN & (1<<2)) << 3)\
| ((VPORTC_IN & CMASK) >> 2)\
| ((VPORTE_IN & EMASK) >> 3)\
| ((VPORTF_IN & (1<<5)) >> 2)\
| ((VPORTF_IN & (1<<4)) << 2)\
)
#define setWriteDir() { VPORTA_DIR |= AMASK; VPORTB_DIR |= BMASK; VPORTC_DIR |= CMASK; VPORTE_DIR |= EMASK; VPORTF_DIR |= FMASK; }
#define setReadDir() { VPORTA_DIR &= ~AMASK; VPORTB_DIR &= ~BMASK; VPORTC_DIR &= ~CMASK; VPORTE_DIR &= ~EMASK; VPORTF_DIR &= ~FMASK; }
//#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; } //6.47s no_inline
#define WRITE_DELAY { WR_ACTIVE2; WR_ACTIVE; } //-Os=5.43s @20MHz always_inline. (-O1=5.41s, -O3=5.25s)
#define READ_DELAY { RD_ACTIVE4; } //ID=0x7789
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; }
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define PIN_LOW(p, b) (p).OUT &= ~(1<<(b))
#define PIN_HIGH(p, b) (p).OUT |= (1<<(b))
#define PIN_OUTPUT(p, b) (p).DIR |= (1<<(b))
//################################### TEENSY++2.0 ##############################
#elif defined(__AVR_AT90USB1286__) //regular UNO shield on TEENSY++ 2.0 thanks tysonlt