?? init.c
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#include "c8051F040.h"
//sbit ncs=P0^5;
// Peripheral specific initialization functions,
// Called from the Init_Device() function
void Reset_Sources_Init()
{
WDTCN = 0xDE;
WDTCN = 0xAD;
}
void Timer_Init()
{
SFRPAGE = TIMER01_PAGE;
TMOD = 0x20;
CKCON = 0x10;
TH1 = 0xFA;
}
void PCA_Init()
{
SFRPAGE = PCA0_PAGE;
PCA0CN = 0x40;
PCA0MD = 0x80;
PCA0CPM0 = 0x48;
}
void UART_Init()
{
SFRPAGE = UART0_PAGE;
SCON0 = 0x50;
}
void SPI_Init()
{
SFRPAGE = SPI0_PAGE;
SPI0CFG = 0x70;
SPI0CN = 0x01;
SPI0CKR = 0xFF;
}
void Port_IO_Init()
{
// P0.0 - TX0 (UART0), Open-Drain, Digital
// P0.1 - RX0 (UART0), Open-Drain, Digital
// P0.2 - SCK (SPI0), Open-Drain, Digital
// P0.3 - MISO (SPI0), Open-Drain, Digital
// P0.4 - MOSI (SPI0), Open-Drain, Digital
// P0.5 - Unassigned, Push-Pull, Digital
// P0.6 - Unassigned, Push-Pull, Digital
// P0.7 - Unassigned, Open-Drain, 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
// P2.4 - Unassigned, Open-Drain, Digital
// P2.5 - Unassigned, Open-Drain, Digital
// P2.6 - Unassigned, Open-Drain, Digital
// P2.7 - Unassigned, Open-Drain, Digital
// P3.0 - Unassigned, Open-Drain, Digital
// P3.1 - Unassigned, Open-Drain, Digital
// P3.2 - Unassigned, Open-Drain, Digital
// P3.3 - Unassigned, Open-Drain, Digital
// P3.4 - Unassigned, Open-Drain, Digital
// P3.5 - Unassigned, Open-Drain, Digital
// P3.6 - Unassigned, Open-Drain, Digital
// P3.7 - Unassigned, Open-Drain, Digital
SFRPAGE = CONFIG_PAGE;
P0MDOUT = 0x60;
XBR0 = 0x06;
XBR2 = 0x40;
}
void Oscillator_Init()
{
int i = 0;
SFRPAGE = CONFIG_PAGE;
OSCXCN = 0x67;
for (i = 0; i < 3000; i++); // Wait 1ms for initialization
while ((OSCXCN & 0x80) == 0);
CLKSEL = 0x01;
OSCICN = 0x00;
}
// Initialization function for device,
// Call Init_Device() from your main program
void Init_Device(void)
{
Reset_Sources_Init();
Timer_Init();
PCA_Init();
UART_Init();
SPI_Init();
Port_IO_Init();
Oscillator_Init();
}
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