X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Fmsp430%2Fmsp430hardware.h;h=e5406c5b1e93e691345e7a135c97d759d8658705;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hp=c7a96d0495d5fe4e599964f05c84dfe8b5080556;hpb=a41b98d181ded46aa341ba63987b597da5da5c50;p=tinyos-2.x.git

diff --git a/tos/chips/msp430/msp430hardware.h b/tos/chips/msp430/msp430hardware.h
index c7a96d04..e5406c5b 100644
--- a/tos/chips/msp430/msp430hardware.h
+++ b/tos/chips/msp430/msp430hardware.h
@@ -77,7 +77,7 @@ MSP430REG_NORACE3(TYPE_##name,name,name##_)
 // creating potentially broken object code.  Union casts are the appropriate work
 // around.  Unfortunately, they require a function definiton.
 #define DEFINE_UNION_CAST(func_name,to_type,from_type) \
-to_type func_name(from_type x) { union {from_type f; to_type t;} c = {f:x}; return c.t; }
+to_type func_name(from_type x) @safe() { union {from_type f; to_type t;} c = {f:x}; return c.t; }
 
 // redefine ugly defines from msp-gcc
 #ifndef DONT_REDEFINE_SR_FLAGS
@@ -178,20 +178,20 @@ MSP430REG_NORACE2(I2CDCTLnr,I2CDCTL);
 // be detectde by nesc.
 
 #define TOSH_ASSIGN_PIN_HEX(name, port, hex) \
-void TOSH_SET_##name##_PIN() { MSP430REG_NORACE2(r,P##port##OUT); r |= hex; } \
-void TOSH_CLR_##name##_PIN() { MSP430REG_NORACE2(r,P##port##OUT); r &= ~hex; } \
-void TOSH_TOGGLE_##name##_PIN() { MSP430REG_NORACE2(r,P##port##OUT); r ^= hex; } \
-uint8_t TOSH_READ_##name##_PIN() { MSP430REG_NORACE2(r,P##port##IN); return (r & hex); } \
-void TOSH_MAKE_##name##_OUTPUT() { MSP430REG_NORACE2(r,P##port##DIR); r |= hex; } \
-void TOSH_MAKE_##name##_INPUT() { MSP430REG_NORACE2(r,P##port##DIR); r &= ~hex; } \
-void TOSH_SEL_##name##_MODFUNC() { MSP430REG_NORACE2(r,P##port##SEL); r |= hex; } \
-void TOSH_SEL_##name##_IOFUNC() { MSP430REG_NORACE2(r,P##port##SEL); r &= ~hex; }
+void TOSH_SET_##name##_PIN() @safe() { MSP430REG_NORACE2(r,P##port##OUT); r |= hex; } \
+void TOSH_CLR_##name##_PIN() @safe() { MSP430REG_NORACE2(r,P##port##OUT); r &= ~hex; } \
+void TOSH_TOGGLE_##name##_PIN() @safe(){ MSP430REG_NORACE2(r,P##port##OUT); r ^= hex; } \
+uint8_t TOSH_READ_##name##_PIN() @safe() { MSP430REG_NORACE2(r,P##port##IN); return (r & hex); } \
+void TOSH_MAKE_##name##_OUTPUT() @safe() { MSP430REG_NORACE2(r,P##port##DIR); r |= hex; } \
+void TOSH_MAKE_##name##_INPUT() @safe() { MSP430REG_NORACE2(r,P##port##DIR); r &= ~hex; } \
+void TOSH_SEL_##name##_MODFUNC() @safe() { MSP430REG_NORACE2(r,P##port##SEL); r |= hex; } \
+void TOSH_SEL_##name##_IOFUNC() @safe() { MSP430REG_NORACE2(r,P##port##SEL); r &= ~hex; }
 
 #define TOSH_ASSIGN_PIN(name, port, bit) \
 TOSH_ASSIGN_PIN_HEX(name,port,(1<<(bit)))
 
 typedef uint8_t mcu_power_t @combine("mcombine");
-mcu_power_t mcombine(mcu_power_t m1, mcu_power_t m2) {
+mcu_power_t mcombine(mcu_power_t m1, mcu_power_t m2) @safe() {
   return (m1 < m2) ? m1: m2;
 }
 enum {
@@ -203,13 +203,13 @@ enum {
   MSP430_POWER_LPM4   = 5
 };
 
-void __nesc_disable_interrupt(void)
+void __nesc_disable_interrupt(void) @safe()
 {
   dint();
   nop();
 }
 
-void __nesc_enable_interrupt(void)
+void __nesc_enable_interrupt(void) @safe()
 {
   eint();
 }
@@ -220,10 +220,10 @@ void __nesc_atomic_end(__nesc_atomic_t reenable_interrupts);
 
 #ifndef NESC_BUILD_BINARY
 /* @spontaneous() functions should not be included when NESC_BUILD_BINARY
-   is #defined, to avoid duplicate functions definitions wheb binary
+   is #defined, to avoid duplicate functions definitions when binary
    components are used. Such functions do need a prototype in all cases,
    though. */
-__nesc_atomic_t __nesc_atomic_start(void) @spontaneous()
+__nesc_atomic_t __nesc_atomic_start(void) @spontaneous() @safe()
 {
   __nesc_atomic_t result = ((READ_SR & SR_GIE) != 0);
   __nesc_disable_interrupt();
@@ -231,7 +231,7 @@ __nesc_atomic_t __nesc_atomic_start(void) @spontaneous()
   return result;
 }
 
-void __nesc_atomic_end(__nesc_atomic_t reenable_interrupts) @spontaneous()
+void __nesc_atomic_end(__nesc_atomic_t reenable_interrupts) @spontaneous() @safe()
 {
   asm volatile("" : : : "memory"); /* ensure atomic section effect visibility */
   if( reenable_interrupts )
@@ -239,5 +239,24 @@ void __nesc_atomic_end(__nesc_atomic_t reenable_interrupts) @spontaneous()
 }
 #endif
 
+/* Floating-point network-type support.
+   These functions must convert to/from a 32-bit big-endian integer that follows
+   the layout of Java's java.lang.float.floatToRawIntBits method.
+   Conveniently, for the MSP430 family, this is a straight byte copy...
+*/
+
+typedef float nx_float __attribute__((nx_base_be(afloat)));
+
+inline float __nesc_ntoh_afloat(const void *COUNT(sizeof(float)) source) @safe() {
+  float f;
+  memcpy(&f, source, sizeof(float));
+  return f;
+}
+
+inline float __nesc_hton_afloat(void *COUNT(sizeof(float)) target, float value) @safe() {
+  memcpy(target, &value, sizeof(float));
+  return value;
+}
+
 #endif//_H_msp430hardware_h