From 2dc12f5aae407f3004bfc851e9b3d409f551e3e5 Mon Sep 17 00:00:00 2001
From: prenticedavid <david.prentice@farming.co.uk>
Date: Sat, 18 Feb 2017 21:39:02 +0000
Subject: [PATCH] add MBED header

---
 utility/mcufriend_mbed.h | 74 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 utility/mcufriend_mbed.h

diff --git a/utility/mcufriend_mbed.h b/utility/mcufriend_mbed.h
new file mode 100644
index 0000000..4cde1f0
--- /dev/null
+++ b/utility/mcufriend_mbed.h
@@ -0,0 +1,74 @@
+#ifndef MCUFRIEND_MBED_H_
+#define MCUFRIEND_MBED_H_
+
+#include <mbed.h>
+
+#if defined(USE_SERIAL)
+#include "mcufriend_keil_spi.h"
+#else
+
+BusOut digitalL(D0, D1, D2, D3, D4, D5, D6, D7);
+BusOut digitalH(D8, D9, D10, D11, D12, D13, NC, NC);
+BusOut analog(A0, A1, A2, A3, A4, A5, NC, NC);
+
+#include "pin_shield_1.h"     //shield pin macros e.g. A2_PORT, PIN_OUTPUT()
+#include "pin_shield_8.h"     //macros for write_8(), read_8(), setWriteDir(), ...
+
+// control pins as used in MCUFRIEND shields 
+  #define RD_PORT A0_PORT
+  #define RD_PIN  A0_PIN
+  #define WR_PORT A1_PORT
+  #define WR_PIN  A1_PIN
+  #define CD_PORT A2_PORT
+  #define CD_PIN  A2_PIN
+  #define CS_PORT A3_PORT
+  #define CS_PIN  A3_PIN
+  #define RESET_PORT A4_PORT
+  #define RESET_PIN  A4_PIN
+
+// general purpose pin macros
+ #define RD_ACTIVE  PIN_LOW(RD_PORT, RD_PIN)
+ #define RD_IDLE    PIN_HIGH(RD_PORT, RD_PIN)
+ #define RD_OUTPUT  PIN_OUTPUT(RD_PORT, RD_PIN)
+ #define WR_ACTIVE  PIN_LOW(WR_PORT, WR_PIN)
+ #define WR_IDLE    PIN_HIGH(WR_PORT, WR_PIN)
+ #define WR_OUTPUT  PIN_OUTPUT(WR_PORT, WR_PIN)
+ #define CD_COMMAND PIN_LOW(CD_PORT, CD_PIN)
+ #define CD_DATA    PIN_HIGH(CD_PORT, CD_PIN)
+ #define CD_OUTPUT  PIN_OUTPUT(CD_PORT, CD_PIN)
+ #define CS_ACTIVE  PIN_LOW(CS_PORT, CS_PIN)
+ #define CS_IDLE    PIN_HIGH(CS_PORT, CS_PIN)
+ #define CS_OUTPUT  PIN_OUTPUT(CS_PORT, CS_PIN)
+ #define RESET_ACTIVE  PIN_LOW(RESET_PORT, RESET_PIN)
+ #define RESET_IDLE    PIN_HIGH(RESET_PORT, RESET_PIN)
+ #define RESET_OUTPUT  PIN_OUTPUT(RESET_PORT, RESET_PIN)
+
+#if defined(__MK20DX128__) || defined(___MK20DX256__) // Teensy3.0 || 3.2 96MHz
+#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; }
+#define READ_DELAY  { RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
+#elif defined(__MK64FX512__) || defined(TARGET_M4) // Teensy3.5 120MHz thanks to PeteJohno
+#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; RD_ACTIVE; }
+#elif defined(__MK66FX1M0__) || defined(TARGET_M4) // Teensy3.6 180MHz untested.   delays can possibly be reduced.
+#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; 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; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
+#else
+//#error unspecified delays
+#define WRITE_DELAY 
+#define READ_DELAY  
+#endif
+
+// 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
+#define write8(d) { write_8(d); WRITE_DELAY; WR_STROBE; } // STROBEs are defined later
+#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; } // 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); }
+
+#endif   //!USE_SERIAL
+#endif   //MCUFRIEND_KEIL_H_