64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
#include "sound4calc.h"
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#include <mpu.h> // from Gint
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void SwitchPinState()
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{
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if(isSH3())
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{
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*(volatile unsigned char*)SH7337_SCPDR ^= 0x01;
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}
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else
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{
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*(volatile unsigned char*)SH7305_PJDR ^= 0x04;
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}
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}
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void InitPorts()
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{
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if(isSH3())
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{
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// initialisation of pin
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*(volatile unsigned char*)SH7337_SCPDR |= 0x01;
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// SCIF2 clock on (STBCR3.MSTP31)
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*(volatile unsigned char*)SH7337_STBCR3 &= ~0x02;
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// switch off SCSMR_2.TE and SCSMR_2.RE
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*(volatile unsigned short*)SH7337_SCSCR2 &= ~0x0030;
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// SCIF2 clock off (STBCR3.MSTP31)
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*(volatile unsigned char*)SH7337_STBCR3 |= 0x02;
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// set bit 6 of port G to output mode
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*(volatile unsigned short*)SH7337_PGCR = ( *(volatile unsigned short*)SH7337_PGCR & ~0x3000 ) | 0x1000;
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// set bit 5 and 6 of port G
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*(volatile unsigned char*)SH7337_PGDR |= 0x60;
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// set port SC bit 0 to output
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*(volatile unsigned short*)SH7337_SCPCR = ( *(volatile unsigned short*)SH7337_SCPCR & ~0x0003 ) | 0x0001;
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}
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else
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{
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// initialisation of pin
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*(volatile unsigned char*)SH7305_PJDR |= 0x04;
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// SCIF2 clock on (MSTPCR0.MSTP007)
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*(volatile unsigned int*)SH7305_MSTPCR0 &= ~0x00000080;
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// switch off SCSMR_2.TE and SCSMR_2.RE
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*(volatile unsigned short*)SH7305_SCSCR &= ~0x0030;
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// SCIF2 clock off (MSTPCR0.MSTP007)
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*(volatile unsigned int*)SH7305_MSTPCR0 |= 0x00000080;
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// set bit 3 of port U to output mode
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*(volatile unsigned short*)SH7305_PUCR = ( *(volatile unsigned short*)SH7305_PUCR & ~0x00C0 ) | 0x0040;
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// set bit 4 and 5 of port U
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*(volatile unsigned char*)SH7305_PUDR |= 0x0C;
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// set port J bit 2 to output mode
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*(volatile unsigned short*)SH7305_PJCR = ( *(volatile unsigned short*)SH7305_PJCR & ~0x0030 ) | 0x0010;
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// set port J bit 3 to output mode
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*(volatile unsigned short*)SH7305_PJCR = ( *(volatile unsigned short*)SH7305_PJCR & ~0x00C0 ) | 0x0040;
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}
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/*
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// set port J bit 2 to output
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*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x0030 ) | 0x0010;
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// set port J bit 3 to input
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*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x00C0 ) | 0x0080;*/
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}
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