Janek Mann / nRF51822-disconnection-fix

For with fix for disconnection notifications

Fork of nRF51822 by Nordic Semiconductor

Files at this revision

API Documentation at this revision

Revision 47:db25ca6ed092, committed 2014-07-16

Comitter:
Rohit Grover
Date:
Wed Jul 16 10:56:11 2014 +0100
Parent:
46:2bfbbe290083
Child:
48:895748db3357
Commit message:
introduce nrf_delay.h; borrowed from the Nordic SDK

Changed in this revision

nordic/nrf-sdk/nrf_delay.h Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nordic/nrf-sdk/nrf_delay.h	Wed Jul 16 10:56:11 2014 +0100
@@ -0,0 +1,74 @@
+#ifndef _NRF_DELAY_H
+#define _NRF_DELAY_H
+
+// #include "nrf.h"
+
+/*lint --e{438, 522} "Variable not used" "Function lacks side-effects" */
+#if defined ( __CC_ARM   )
+static __ASM void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
+{
+loop
+        SUBS    R0, R0, #1
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        NOP
+        BNE    loop
+        BX     LR
+}
+#elif defined ( __ICCARM__ )
+static void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
+{
+__ASM (
+"loop:\n\t"
+       " SUBS R0, R0, #1\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " NOP\n\t"
+       " BNE loop\n\t");
+}
+#elif defined   (  __GNUC__  )
+static void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
+{
+    do
+    {
+    __ASM volatile (
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+        "NOP\n\t"
+    );
+    } while (--number_of_us);
+}
+#endif
+
+void nrf_delay_ms(uint32_t volatile number_of_ms);
+
+#endif