FreeCalypso > hg > freecalypso-tools
diff target-utils/buzplayer/melplay.c @ 81:8a200d65c6a0
buzplayer: play implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 27 Oct 2016 04:39:48 +0000 |
parents | |
children | 158dd05fb9f9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/buzplayer/melplay.c Thu Oct 27 04:39:48 2016 +0000 @@ -0,0 +1,26 @@ +#include "types.h" +#include "melody.h" + +extern struct melentry *melody_buf_start, *melody_buf_tailptr; + +#define ARMIO_LOAD_TIM (*(volatile u16 *) 0xFFFE4808) +#define BUZZ_LIGHT_REG (*(volatile u16 *) 0xFFFE480E) + +void +melody_play() +{ + struct melentry *p; + int count; + + wait_for_tdma_frame(); + for (p = melody_buf_start; p < melody_buf_tailptr; p++) { + if (p->tone) { + ARMIO_LOAD_TIM = p->tone; + BUZZ_LIGHT_REG = 1; + } else + BUZZ_LIGHT_REG = 0; + for (count = p->dur; count; count--) + wait_for_tdma_frame(); + BUZZ_LIGHT_REG = 0; + } +}