cc3200: Eliminate dependency on stm32's irq.h.

Signed-off-by: Damien George <damien@micropython.org>

Author: dpgeorge

ports/cc3200/hal/cc3200_asm.h

@@ -32,8 +32,11 @@
 //
 // Note on IRQ state: you should not need to know the specific
 // value of the state variable, but rather just pass the return
-// value from disable_irq back to enable_irq.  If you really need
-// to know the machine-specific values, see irq.h.
+// value from disable_irq back to enable_irq.
+
+// these states correspond to values from query_irq, enable_irq and disable_irq
+#define IRQ_STATE_DISABLED (0x00000001)
+#define IRQ_STATE_ENABLED  (0x00000000)
 
 #ifndef __disable_irq
 #define __disable_irq() __asm__ volatile ("cpsid i");
@@ -79,6 +82,11 @@ static inline void __set_BASEPRI(uint32_t value) {
     __asm volatile ("msr basepri, %0" : : "r" (value) : "memory");
 }
 
+__attribute__(( always_inline ))
+static inline uint32_t query_irq(void) {
+    return __get_PRIMASK();
+}
+
 __attribute__(( always_inline ))
 static inline void enable_irq(mp_uint_t state) {
     __set_PRIMASK(state);

ports/cc3200/hal/cc3200_hal.c

@@ -49,7 +49,6 @@
 #include "telnet.h"
 #include "pybuart.h"
 #include "utils.h"
-#include "irq.h"
 
 #ifdef USE_FREERTOS
 #include "FreeRTOS.h"

ports/cc3200/mpthreadport.c

@@ -32,7 +32,6 @@
 #include "py/mphal.h"
 #include "mptask.h"
 #include "task.h"
-#include "irq.h"
 
 #if MICROPY_PY_THREAD
 

ports/cc3200/telnet/telnet.c

@@ -37,7 +37,6 @@
 #include "debug.h"
 #include "serverstask.h"
 #include "genhdr/mpversion.h"
-#include "irq.h"
 
 /******************************************************************************
  DEFINE PRIVATE CONSTANTS