From 5bf13c7f48fe91c7902ce50250bc1a5a2398a2ae Mon Sep 17 00:00:00 2001 From: red031000 Date: Fri, 23 Jul 2021 01:11:15 +0100 Subject: separate out libs to libc, libnns and NitroSDK --- arm9/lib/NitroSDK/src/SND_alarm.c | 40 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 arm9/lib/NitroSDK/src/SND_alarm.c (limited to 'arm9/lib/NitroSDK/src/SND_alarm.c') diff --git a/arm9/lib/NitroSDK/src/SND_alarm.c b/arm9/lib/NitroSDK/src/SND_alarm.c new file mode 100644 index 00000000..e216c02c --- /dev/null +++ b/arm9/lib/NitroSDK/src/SND_alarm.c @@ -0,0 +1,40 @@ +#include "SND_alarm.h" + +struct AlarmCallback { + SNDAlarmCallback cb; + void *data; + u8 id; + u8 padding[3]; +}; + +static struct AlarmCallback sCallbackTable[SND_ALARM_COUNT]; + +ARM_FUNC void SND_AlarmInit(void) { + for (s32 i = 0; i < SND_ALARM_COUNT; i++) { + sCallbackTable[i].cb = NULL; + sCallbackTable[i].data = NULL; + sCallbackTable[i].id = 0; + } +} + +ARM_FUNC void SNDi_IncAlarmId(u32 idx) { + struct AlarmCallback *ac = &sCallbackTable[idx]; + ac->id++; +} + +ARM_FUNC u8 SNDi_SetAlarmHandler(u32 idx, SNDAlarmCallback cb, void *data) { + struct AlarmCallback *ac = &sCallbackTable[idx]; + ac->cb = cb; + ac->data = data; + ac->id++; + return ac->id; +} + +ARM_FUNC void SNDi_CallAlarmHandler(s32 idx) { + struct AlarmCallback *ac = &sCallbackTable[idx & 0xFF]; + if (((idx >> 8) & 0xFF) != ac->id) + return; + if (ac->cb == NULL) + return; + ac->cb(ac->data); +} -- cgit v1.2.3