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add WR_ACTIVEn macros. conditional delays for STM32 targets

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prenticedavid
2019-06-30 10:07:42 +01:00
parent edeaa4b877
commit 9564ca5112
1 changed files with 45 additions and 4 deletions
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49
utility/mcufriend_keil.h
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@@ -36,13 +36,50 @@
#define RESET_IDLE PIN_HIGH(RESET_PORT, RESET_PIN)
#define RESET_OUTPUT PIN_OUTPUT(RESET_PORT, RESET_PIN)
#define WR_ACTIVE2 {WR_ACTIVE; WR_ACTIVE;}
#define WR_ACTIVE4 {WR_ACTIVE2; WR_ACTIVE2;}
#define WR_ACTIVE8 {WR_ACTIVE4; WR_ACTIVE4;}
#define RD_ACTIVE2 {RD_ACTIVE; RD_ACTIVE;}
#define RD_ACTIVE4 {RD_ACTIVE2; RD_ACTIVE2;}
#define RD_ACTIVE8 {RD_ACTIVE4; RD_ACTIVE4;}
#define RD_ACTIVE16 {RD_ACTIVE8; RD_ACTIVE8;}
#define WR_IDLE2 {WR_IDLE; WR_IDLE;}
#define WR_IDLE4 {WR_IDLE2; WR_IDLE2;}
#define RD_IDLE2 {RD_IDLE; RD_IDLE;}
#define RD_IDLE4 {RD_IDLE2; RD_IDLE2;}
// 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__) // -O2: F411@100MHz = 1.44s
#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; }
#define READ_DELAY { RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
//#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; }
//#define READ_DELAY { RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
#if 0
#elif defined(STM32F401xx)
#warning 84MHz
#define WRITE_DELAY { WR_ACTIVE2; } //100MHz
#define READ_DELAY { RD_ACTIVE4; }
#elif defined(STM32F411xx)
#define WRITE_DELAY { WR_ACTIVE2; WR_ACTIVE; } //100MHz
#define READ_DELAY { RD_ACTIVE4; RD_ACTIVE2; }
#elif defined(STM32F446xx)
#warning 180MHz
#define WRITE_DELAY { WR_ACTIVE8; } //180MHz
#define IDLE_DELAY { WR_IDLE2;WR_IDLE; }
#define READ_DELAY { RD_ACTIVE16;}
#elif defined(STM32F767xx)
#warning 216MHz
#define WRITE_DELAY { WR_ACTIVE8; WR_ACTIVE8; } //216MHz
#define IDLE_DELAY { WR_IDLE4;WR_IDLE4; }
#define READ_DELAY { RD_ACTIVE16;RD_ACTIVE16;RD_ACTIVE16;}
#elif defined(STM32H743xx) //STM32H743 GPIO needs testing
#define WRITE_DELAY { WR_ACTIVE8;WR_ACTIVE2; } //F_CPU=400MHz
#define IDLE_DELAY { WR_IDLE2;WR_IDLE; }
#define READ_DELAY { RD_ACTIVE16;RD_ACTIVE16;RD_ACTIVE4;}
#else
#error check specific STM32
#endif
#elif defined(__ARM_ARCH_7M__) // -O2: F103@72MHz = 2.68s
#define WRITE_DELAY { }
#define READ_DELAY { RD_ACTIVE; }
@@ -51,9 +88,13 @@
#define READ_DELAY { }
#endif
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; WR_IDLE; }
#ifndef IDLE_DELAY
#define IDLE_DELAY { WR_IDLE; }
#endif
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; IDLE_DELAY; }
#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; RD_IDLE; } // read 250ns after RD_ACTIVE goes low
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE2; 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; }