?? sysinit.c
字號:
/////////////////////////////////////
// Generated Initialization File //
/////////////////////////////////////
#include "C8051F320.h"
// Peripheral specific initialization functions,
// Called from the Init_Device() function
void PCA_Init()
{
PCA0CN = 0x40;
PCA0MD &= ~0x40;
PCA0MD = 0x08;
PCA0CPM0 = 0xC2;
PCA0CPM1 = 0xC2;
PCA0CPL1 = 0xCC;
PCA0CPH0 = 0x80;
PCA0CPH1 = 0x4C;
}
void Port_IO_Init()
{
// P0.0 - Skipped, Open-Drain, Digital
// P0.1 - Skipped, Open-Drain, Digital
// P0.2 - Skipped, Open-Drain, Digital
// P0.3 - Skipped, Open-Drain, Digital
// P0.4 - TX0 (UART0), Open-Drain, Digital
// P0.5 - RX0 (UART0), Open-Drain, Digital
// P0.6 - CEX0 (PCA), Push-Pull, Digital
// P0.7 - CEX1 (PCA), Push-Pull, Digital
// P1.0 - Unassigned, Open-Drain, Digital
// P1.1 - Unassigned, Open-Drain, Digital
// P1.2 - Unassigned, Open-Drain, Digital
// P1.3 - Unassigned, Open-Drain, Digital
// P1.4 - Unassigned, Open-Drain, Digital
// P1.5 - Unassigned, Open-Drain, Digital
// P1.6 - Unassigned, Open-Drain, Digital
// P1.7 - Unassigned, Open-Drain, Digital
// P2.0 - Unassigned, Open-Drain, Digital
// P2.1 - Unassigned, Open-Drain, Digital
// P2.2 - Unassigned, Open-Drain, Digital
// P2.3 - Unassigned, Open-Drain, Digital
P0MDOUT = 0xC0;
P0SKIP = 0x0F;
XBR0 = 0x01;
XBR1 = 0xC2;
}
void Oscillator_Init()
{
int i = 0;
CLKMUL = 0x80;
for (i = 0; i < 20; i++); // Wait 5us for initialization
CLKMUL |= 0xC0;
while ((CLKMUL & 0x20) == 0);
CLKSEL = 0x02;
OSCICN = 0x83;
}
// Initialization function for device,
// Call Init_Device() from your main program
void Init_Device(void)
{
PCA_Init();
Port_IO_Init();
Oscillator_Init();
}
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