From 33cdb9647c5025ce09c5c6f6b53d313888676094 Mon Sep 17 00:00:00 2001
From: Daniel Garcia <dgarcia@dgarcia.net>
Date: Mon, 26 Aug 2019 21:18:22 -0700
Subject: checkpoint for kicking the stm32 pin definitions in the new
 structure, this should hopefully allow examples/Pintest to still work and
 print out expected pin numberings

---
 platforms/arm/stm32/fastpin_arm_stm32.h | 48 ++++++++++++++-------------------
 1 file changed, 20 insertions(+), 28 deletions(-)

diff --git a/platforms/arm/stm32/fastpin_arm_stm32.h b/platforms/arm/stm32/fastpin_arm_stm32.h
index 274d0f60..0da2deb1 100644
--- a/platforms/arm/stm32/fastpin_arm_stm32.h
+++ b/platforms/arm/stm32/fastpin_arm_stm32.h
@@ -20,54 +20,46 @@ public:
   typedef volatile uint32_t * port_ptr_t;
   typedef uint32_t port_t;
 
-  #if 0
-  inline static void setOutput() {
-    if(_BIT<8) {
-      _CRL::r() = (_CRL::r() & (0xF << (_BIT*4)) | (0x1 << (_BIT*4));
-    } else {
-      _CRH::r() = (_CRH::r() & (0xF << ((_BIT-8)*4))) | (0x1 << ((_BIT-8)*4));
-    }
-  }
-  inline static void setInput() { /* TODO */ } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
-  #endif
-
-  inline static void setOutput() { pinMode(PIN, OUTPUT); } // TODO: perform MUX config { _PDDR::r() |= _MASK; }
-  inline static void setInput() { pinMode(PIN, INPUT); } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
-
-  inline static void hi() __attribute__ ((always_inline)) { _GPIO::r()->BSRR = _MASK; }
-  inline static void lo() __attribute__ ((always_inline)) { _GPIO::r()->BRR = _MASK; }
-  // inline static void lo() __attribute__ ((always_inline)) { _GPIO::r()->BSRR = (_MASK<<16); }
-  inline static void set(register port_t val) __attribute__ ((always_inline)) { _GPIO::r()->ODR = val; }
+  inline static void setOutput() { pinMode(PIN, OUTPUT); }
+  inline static void setInput() { pinMode(PIN, INPUT); }
+
+  inline static void hi() __attribute__ ((always_inline)) { _GPIO::x()->BSRR = _MASK; }
+  inline static void lo() __attribute__ ((always_inline)) { _GPIO::x()->BRR = _MASK; }
+
+  inline static void set(register port_t val) __attribute__ ((always_inline)) { _GPIO::x()->ODR = val; }
 
   inline static void strobe() __attribute__ ((always_inline)) { toggle(); toggle(); }
 
-  inline static void toggle() __attribute__ ((always_inline)) { if(_GPIO::r()->ODR & _MASK) { lo(); } else { hi(); } }
+  inline static void toggle() __attribute__ ((always_inline)) { if(_GPIO::x()->ODR & _MASK) { lo(); } else { hi(); } }
 
   inline static void hi(register port_ptr_t port) __attribute__ ((always_inline)) { hi(); }
   inline static void lo(register port_ptr_t port) __attribute__ ((always_inline)) { lo(); }
   inline static void fastset(register port_ptr_t port, register port_t val) __attribute__ ((always_inline)) { *port = val; }
 
-  inline static port_t hival() __attribute__ ((always_inline)) { return _GPIO::r()->ODR | _MASK; }
-  inline static port_t loval() __attribute__ ((always_inline)) { return _GPIO::r()->ODR & ~_MASK; }
-  inline static port_ptr_t port() __attribute__ ((always_inline)) { return &_GPIO::r()->ODR; }
-  inline static port_ptr_t sport() __attribute__ ((always_inline)) { return &_GPIO::r()->BSRR; }
-  inline static port_ptr_t cport() __attribute__ ((always_inline)) { return &_GPIO::r()->BRR; }
+  inline static port_t hival() __attribute__ ((always_inline)) { return _GPIO::x()->ODR | _MASK; }
+  inline static port_t loval() __attribute__ ((always_inline)) { return _GPIO::x()->ODR & ~_MASK; }
+  inline static port_ptr_t port() __attribute__ ((always_inline)) { return &_GPIO::x()->ODR; }
+  inline static port_ptr_t sport() __attribute__ ((always_inline)) { return &_GPIO::x()->BSRR; }
+  inline static port_ptr_t cport() __attribute__ ((always_inline)) { return &_GPIO::x()->BRR; }
   inline static port_t mask() __attribute__ ((always_inline)) { return _MASK; }
 };
 
 #if defined(STM32F10X_MD)
   #define _R(T) struct __gen_struct_ ## T
-  #define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline volatile GPIO_TypeDef * r() { return T; } };
+  #define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline volatile GPIO_TypeDef * x() { return T; } \
+                                               static __attribute__((always_inline)) inline volatile port_ptr_t r() { return &(T->ODR); } };
   #define _FL_IO(L,C) _RD32(GPIO ## L);  _FL_DEFINE_PORT3(L, C, _R(GPIO ## L));
+  #define _FL_DEFPIN(PIN, BIT, L) template<> class FastPin<PIN> : public _ARMPIN<PIN, BIT, 1 << BIT, _R(GPIO ## L)> {};
 #elif defined(__STM32F1__)
   #define _R(T) struct __gen_struct_ ## T
-  #define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline gpio_reg_map* r() { return T->regs; } };
-  #define _FL_IO(L,C) _RD32(GPIO ## L); _FL_DEFINE_PORT3(L, C, _R(GPIO ## L));
+  #define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline gpio_reg_map* x() { return T; } \
+                                               static __attribute__((always_inline)) inline volatile port_ptr_t r() { return &(T->ODR); } };
+  #define _FL_IO(L,C) _RD32(GPIO ## L ## _BASE); _FL_DEFINE_PORT3(L, C, _R(GPIO ## L));
+  #define _FL_DEFPIN(PIN, BIT, L) template<> class FastPin<PIN> : public _ARMPIN<PIN, BIT, 1 << BIT, _R(GPIO ## L ## _BASE)> {};
 #else
  #error "Platform not supported"
 #endif
 
-#define _FL_DEFPIN(PIN, BIT, L) template<> class FastPin<PIN> : public _ARMPIN<PIN, BIT, 1 << BIT, _R(GPIO ## L)> {};
 
 #ifdef GPIOA
 _FL_IO(A,0);
-- 
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