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follow shield macro style

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prenticedavid
2018-04-29 14:01:13 +01:00
parent 6311e9b17d
commit 09263d3b2d
1 changed files with 15 additions and 12 deletions
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27
utility/mcufriend_keil.h
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@@ -39,23 +39,26 @@
// General macros. IOCLR registers are 1 cycle when optimised.
#define WR_STROBE { WR_ACTIVE; WR_IDLE; } //PWLW=TWRL=50ns
#define RD_STROBE RD_IDLE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE //PWLR=TRDL=150ns
#if defined(TEENSY) || defined(__ARM_ARCH_7EM__) // || defined(STM32L476xx)
#define write8(d) { write_8(d); WR_ACTIVE; WR_ACTIVE; WR_STROBE; WR_IDLE; } // STROBEs are defined later
// read 250ns after RD_ACTIVE goes low
#define read8() ( RD_STROBE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE, read_8() )
#else
#define write8(d) { write_8(d); WR_STROBE; } // STROBEs are defined later
// read 250ns after RD_ACTIVE goes low
#define read8() ( RD_STROBE, read_8() )
#if defined(TEENSY) || defined(__ARM_ARCH_7EM__) // -O2: F411@100MHz = 1.44s
#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; }
#define READ_DELAY { RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
#elif defined(__ARM_ARCH_7M__) // -O2: F103@72MHz = 2.68s
#define WRITE_DELAY { }
#define READ_DELAY { RD_ACTIVE; }
#elif defined(__ARM_ARCH_6M__) // -O2: F072@48MHz = 5.03s
#define WRITE_DELAY { }
#define READ_DELAY { }
#endif
#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) { dst = read8(); RD_IDLE; }
#define READ_16(dst) { dst = read8(); dst = (dst<<8) | read8(); RD_IDLE; }
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE; } // read 250ns after RD_ACTIVE goes low
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define CTL_INIT() { RD_OUTPUT; WR_OUTPUT; CD_OUTPUT; CS_OUTPUT; RESET_OUTPUT; }
#define WriteCmd(x) { CD_COMMAND; write16(x); }
#define WriteData(x) { CD_DATA; write16(x); }
#define WriteCmd(x) { CD_COMMAND; write16(x); CD_DATA; }
#define WriteData(x) { write16(x); }
#endif //!USE_SERIAL
#endif //MCUFRIEND_KEIL_H_