?? ctrl_set.c
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#include "inc\44b0x.h"
#include "DataType.h"
#define EXT_OSC_CLK 10000000
unsigned int MCLK = 20000000;
void ChangePllValue(int mdiv, int pdiv, int sdiv)
{
int i = 1;
rPLLCON = (mdiv<<12)|(pdiv<<4)|sdiv;
while(sdiv--)
i *= 2;
MCLK = (EXT_OSC_CLK*(mdiv+8))/((pdiv+2)*i);
}
/****************************************************************************
【功能說明】IO端口功能、方向設定
****************************************************************************/
void PortInit(void)
{
// PORT A GROUP
/* BIT 9 8 7 6 5 4 3 2 1 0 */
/* A24 A23 A22 A21 A20 A19 A18 A17 A16 A0 */
/* 0 1 1 1 1 1 1 1 1 1 */
rPCONA = 0x1ff;
// PORT B GROUP
/* BIT 10 9 8 7 6 5 4 3 2 1 0 */
/* /CS5 /CS4 /CS3 /CS2 /CS1 nWBE3 nWBE2 /SRAS /SCAS SCLK SCKE */
/* EXT NIC 8019 IDE D12 NC NC Sdram Sdram Sdram Sdram */
/* 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 */
rPDATB = 0x04f;
rPCONB = 0x3cf;
//PORT C GROUP
//BUSWIDTH=16 */
/* PC15 14 13 12 11 10 9 8 */
/* o o RXD1 TXD1 o o o o */
/* NC NC Uart1 Uart1 NC NC NC NC */
/* 01 01 11 11 01 01 01 01 */
/* PC7 6 5 4 3 2 1 0 */
/* o o o o o o o o */
/* NC NC NC NC LED LED LED LED */
/* 01 01 01 01 01 01 01 01 */
rPDATC = 0x0000; //All IO is low
rPCONC = 0x5f555555;
rPUPC = 0x3000; //PULL UP RESISTOR should be enabled to I/O
//PORT D GROUP
/* PORT D GROUP(I/O OR LCD) */
/* BIT7 6 5 4 3 2 1 0 */
/* VF VM VLINE VCLK VD3 VD2 VD1 VD0 */
/* 01 01 01 01 01 01 01 01 */
rPDATD= 0x55;
rPCOND= 0xaaaa;
rPUPD = 0x00;
//These pins must be set only after CPU's internal LCD controller is enable
/////////////////////////////////////////////////////
//PORT E GROUP
/* Bit 8 7 6 5 4 3 2 1 0 */
/* ENDLAN o o TOU2 o o RXD0 TXD0 FOUT */
/* 00 01 01 10 01 01 10 10 11 */
rPDATE = 0x157; //Beep = 10
rPCONE = 0x596b;
rPUPE = 0xff;
//PORT F GROUP
/* Bit8 7 6 5 4 3 2 1 0 */
/* IISCLK IISDI IISDO IISLRCK Input Input Input IICSDA IICSCL */
/* 100 100 100 100 00 00 00 10 10 */
rPDATF = 0x0;
rPCONF = 0x24900a;
rPUPF = 0x1d3;
//PORT G GROUP
/* BIT7 6 5 4 3 2 1 0 */
/* EINT7 EINT6 EINT5 EINT4 EINT3 EINT2 EINT1 EINT0 */
/* KEY3 KEY2 KEY1 KEY0 NIC EXT IDE USB */
/* 11 11 11 11 11 11 11 11 */
rPDATG = 0xff;
rPCONG = 0x0000;
rPUPG = 0x00; //should be enabled
rSPUCR= 0x4;//0x7; //D15-D0 pull-up disable
//rSPUCR= 0x6; //D15-D0 pull-up enable
rSYSCFG = 0x0e; //使用8K字節(jié)的指令緩存,write buffer disable
rNCACHBE0 = 0xc0002000; //定義非Cache區(qū),從0x2000000到0xbffffff,中斷時進入ROM,若不允許CACHE不正常???
rEXTINT = 0x0; //所有的外部硬件中斷為低電平觸發(fā)
}
/*********************************************************/
#define RTC_YEAR0 (0x03) //年
#define RTC_MONTH0 (0x02) //月
#define RTC_DAY0 (0x0e) //日
#define RTC_DATE0 (0x06) //星期SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
#define RTC_HOUR0 (0x08) //小時
#define RTC_MIN0 (0x08) //分
#define RTC_SEC0 (0x08) //秒
#define RTC_YEAR1 (0x03) //年
#define RTC_MONTH1 (0x03) //月
#define RTC_DAY1 (0x0e) //日
#define RTC_DATE1 (0x06) //星期－SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
#define RTC_HOUR1 (0x08) //小時
#define RTC_MIN1 (0x08) //分
#define RTC_SEC1 (0x08) //秒
#define RTC_RW_EN() rRTCCON = 1 //|= 1
#define RTC_RW_DS() rRTCCON &= 0xfe
void RtcSetDay(TIME_STRUC *time)
{
RTC_RW_EN(); //RTC讀寫使能，選擇BCD時鐘、計數(shù)器，無復位，1/32768
rBCDYEAR = time->year;; //年
rBCDMON = time->month; //月
rBCDDAY = time->day; //日
RTC_RW_DS();
}
void RtcSetWeek(TIME_STRUC *time)
{
RTC_RW_EN();
rBCDDATE = time->weekday;
RTC_RW_DS();
}
void RtcSetTime(TIME_STRUC *time)
{
RTC_RW_EN(); //RTC讀寫使能，選擇BCD時鐘、計數(shù)器，無復位，1/32768
rBCDHOUR = time->hour; //小時
rBCDMIN = time->min; //分
rBCDSEC = time->sec; //秒
RTC_RW_DS();
}
void RtcInit(TIME_STRUC *time)
{
RTC_RW_EN(); //RTC讀寫使能，選擇BCD時鐘、計數(shù)器，無復位，1/32768
rBCDYEAR = time->year;; //年
rBCDMON = time->month; //月
rBCDDAY = time->day; //日
rBCDDATE = time->weekday; //星期
rBCDHOUR = time->hour; //小時
rBCDMIN = time->min; //分
rBCDSEC = time->sec; //秒
rTICNT = 0x80+127; //enable tick timer interrupt, set tick timer interrupt time = (127+1)/128 second
RTC_RW_DS();
}
void RtcAlarm(TIME_STRUC *time)
{
rALMYEAR = time->year; //年
rALMMON = time->month; //月
rALMDAY = time->day; //日
rALMHOUR = time->hour; //小時
rALMMIN = time->min; //分
rALMSEC = time->sec; //秒
rRTCALM = 0x7f; //全局警報使能控制，年、月、日、星期、時分秒警報使能控制
}
void RtcGetTime(TIME_STRUC *time)
{
U8 m;
RTC_RW_EN(); //RTC讀寫使能
time->year = 2000 + rBCDYEAR;
time->weekday = rBCDDATE;
m = rBCDMON;
time->month = m;//(m>>4)*10 + (m&0xf); //BCD碼轉十進制
m = rBCDDAY;
time->day = m;//(m>>4)*10 + (m&0xf); //BCD碼轉十進制
m = rBCDHOUR;
time->hour = m;//(m>>4)*10 + (m&0xf); //BCD碼轉十進制
m = rBCDMIN;
time->min = m;//(m>>4)*10 + (m&0xf); //BCD碼轉十進制
m = rBCDSEC;
time->sec = m;//(m>>4)*10 + (m&0xf); //BCD碼轉十進制
RTC_RW_DS(); //RTC讀寫禁止(降低功率消耗)，選擇BCD時鐘、計數(shù)器，無復位，1/32768
}
void InitSysTimer(U8 Freq)
{
rTCON &= 0xf0ffffff; //clear manual update bit, stop Timer 5
rTCFG0 &= 0xff00ffff; //定時器4/5的預分頻為16
rTCFG0 |= (16-1)<<16;
rTCFG1 &= 0xff0fffff; //定時器5的MUX為1/8
rTCFG1 |= 2<<20;
rTCNTB5 = MCLK/(Freq*16*8); //定時器5的重裝值,在ENABLE之前設定
rTCON |= 0x02000000; //定時器5的MANUAL UPDATE BIT設為1
rTCON &= 0xf0ffffff; //MANUAL UPDATE BIT清零
rTCON |= 0x05000000; //定時器5 start, 設為INTERVAL模式
}
#define MaxBeepFreq 20000
#define MinBeepFreq 20
void SetBeepPwm(U16 Freq, U8 HiRatio)
{
if(Freq>MaxBeepFreq)
Freq = MaxBeepFreq;
if(HiRatio>100)
HiRatio = 100;
rTCON &= 0xffff0fff; // clear manual update bit, stop Timer2
rTCFG0 &= 0xffff00ff; // set Timer 2&3 prescaler 0
rTCFG1 &= 0xfffff0ff; // set Timer 2 MUX 1/16
rTCFG1 |= 0x00000300;
rTCNTB2 = MCLK/(Freq*16); //if set inverter off, when TCNT2<=TCMP2, TOUT is high, TCNT2>TCMP2, TOUT is low
rTCMPB2 = (rTCNTB2*(100-HiRatio))/100; //if set inverter on, when TCNT2<=TCMP2, TOUT is low, TCNT2>TCMP2, TOUT is high
rTCON |= 0x00002000; // manual update
rTCON &= 0xffff0fff; // clear manal update bit
rTCON |= 0x0000d000; // auto reload, inverter on, start Timer 5
}
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