Added swi_getCrc16

2025-06-18 19:15:33 -04:00 · 2024-05-17 22:25:59 +02:00 · 2024-05-17 22:25:59 +02:00 · d1a830f42b
commit d1a830f42b
parent 3bfebfa18e
2 changed files with 7 additions and 0 deletions
--- a/libtwl7/include/libtwl/sys/swi.h
+++ b/libtwl7/include/libtwl/sys/swi.h
@ -5,6 +5,7 @@ extern "C" {
 #endif

 extern void swi_waitByLoop(u32 iterations);
+extern u16 swi_getCrc16(u16 initialCrcValue, const void* src, u32 length);

 #ifdef __cplusplus
 }
--- a/libtwl7/source/sys/swi.s
+++ b/libtwl7/source/sys/swi.s
@ -6,3 +6,9 @@
 swi_waitByLoop:
    swi #3
    bx lr
+
+.global swi_getCrc16
+.type swi_getCrc16, %function
+swi_getCrc16:
+    swi #0xE
+    bx lr