/*************************************************************************
* Function Name: TouchScrInit
* Parameters: none
*
* Return: none
*
* Description: Init Touch screen
*
*************************************************************************/
void TouchScrInit (void)
{
// Init variable
Touch_temp = Touch = FALSE;
X = Y = 0;
State = TS_INTR_SETUP_DLY;
// Init GPIOs
TS_X1_SEL = 1; // ADC0 Ch1
TS_X1_MODE = 2; // disable pulls
TS_X2_SEL = 0; // general IO
TS_X2_MODE = 3; // enable pull-down
TS_Y1_SEL = 0; // general IO
TS_Y1_MODE = 2; // disable pulls
TS_Y2_SEL = 0; // general IO
TS_Y2_MODE = 2; // disable pulls
TS_X1_FDIR &= ~TS_X1_MASK;
TS_X2_FDIR &= ~TS_X2_MASK;
TS_Y1_FDIR |= TS_Y1_MASK;
TS_Y2_FDIR |= TS_Y2_MASK;
TS_Y1_FSET = TS_Y1_MASK;
TS_Y2_FSET = TS_Y2_MASK;
// Init Port interrupt
TS_X2_INTR_R &= ~TS_X2_MASK; // disable X2 rising edge interrupt
TS_X2_INTR_CLR = TS_X2_MASK;
EXTINT = 1UL<<3;
VIC_SetVectoredIRQ(OnTouchIntr_Handler,TS_INTR_PRIORITY,VIC_EINT3);
VICINTENABLE |= 1UL << VIC_EINT3;
// Init ADC
PCONP_bit.PCAD = 1; // Enable ADC clocks
AD0CR_bit.PDN = 1; // converter is operational
AD0CR_bit.START = 0;
AD0CR_bit.SEL = 1UL<<1; // select Ch1
AD0CR_bit.CLKDIV = SYS_GetFpclk(ADC_PCLK_OFFSET)/ 500000;
AD0CR_bit.BURST = 0; // disable burst
AD0CR_bit.CLKS = 0; // 10 bits resolution
// clear all pending interrupts
while(ADSTAT_bit.ADINT)
{
volatile Int32U Dummy = AD0GDR;
}
ADINTEN_bit.ADGINTEN = 1; // Enable global interrupt
VIC_SetVectoredIRQ(ADC_Intr_Handler,TS_INTR_PRIORITY,VIC_AD0);
VICINTENABLE |= 1UL << VIC_AD0;
#if 0
// Init delay timer
PCONP_bit.PCTIM0 = 1; // Enable TIM0 clocks
T0TCR = 2; // stop and reset timer 0
T0CTCR_bit.CTM = 0; // Timer Mode: every rising PCLK edge
T0MCR_bit.MR0S = 1; // stop timer if MR0 matches the TC
T0MCR_bit.MR0R = 1; // enable timer reset if MR0 matches the TC
T0MCR_bit.MR0I = 1; // Enable Interrupt on MR0
T0PR = (SYS_GetFpclk(TIMER0_PCLK_OFFSET)/ 1000000) - 1; // 1us resolution
T0MR0 = TS_SETUP_DLY;
T0IR_bit.MR0INT = 1; // clear pending interrupt
VIC_SetVectoredIRQ(TimerIntr_Handler,TS_INTR_PRIORITY,VIC_TIMER0);
VICINTENABLE |= 1UL << VIC_TIMER0;
T0TCR = 1; // start timer 0
#else
// Init delay timer
PCONP_bit.PCTIM3 = 1; // Enable TIM3 clocks
T3TCR = 2; // stop and reset timer 3
T3CTCR_bit.CTM = 0; // Timer Mode: every rising PCLK edge
T3MCR_bit.MR0S = 1; // stop timer if MR0 matches the TC
T3MCR_bit.MR0R = 1; // enable timer reset if MR0 matches the TC
T3MCR_bit.MR0I = 1; // Enable Interrupt on MR0
T3PR = (SYS_GetFpclk(TIMER3_PCLK_OFFSET)/ 1000000) - 1; // 1us resolution
T3MR0 = TS_SETUP_DLY;
T3IR_bit.MR0INT = 1; // clear pending interrupt
VIC_SetVectoredIRQ(TimerIntr_Handler,TS_INTR_PRIORITY,VIC_TIMER3);
VICINTENABLE |= 1UL << VIC_TIMER3;
T3TCR = 1; // start timer 0
#endif
}
/*************************************************************************
* Function Name: TIMER_Init
* Parameters: LPC_TimerChanel_t DevNum
* unsigned int precision -- the timer precision (Unit: us), general setting is 10 us
* Return: int
* 0: success
* non-zero: error number
* Description: Initialize Timer, Set the PR register that represent the precision of timer.
*
*************************************************************************/
int TIMER_Init(LPC_TimerChanel_t DevNum, unsigned long precision)
{
int i;
//all registers are set to 0;
switch (DevNum)
{
case TIMER0:
// Set globe variable
Timer0Config.Precision = precision;
// PR = Precision(us) * Pclk
Timer0Config.Prescaler = (precision * SYS_GetFpclk()) / 1000000;
for (i=0; i<CH_MAXNUM; ++i)
{
Timer0Config.MatchCH[i].Enable = false;
Timer0Config.MatchCH[i].Action = 0;
Timer0Config.MatchCH[i].TimeValue =0;
Timer0Config.MatchCH[i].Fnpr = NULL;
Timer0Config.MatchCH[i].FnprArg = (void *)0;
Timer0Config.CaptureCH[i].Enable = false;
Timer0Config.CaptureCH[i].TriggerType= 0;
Timer0Config.CaptureCH[i].EnableInt = 0;
Timer0Config.CaptureCH[i].Fnpr = NULL;
Timer0Config.CaptureCH[i].FnprArg = (void *)0;
Timer0Config.CaptureCH[i].CPValue= 0;
Timer0Config.ExtAction[i]= DONOTHING;
Timer0Config.ExtBitValue[i]= 0;
}
// Clear interrupts flags
T0IR=0xFF;
// Disable counting
T0TCR=0;
// Clear timer counter
T0TC=0;
// PR = Presclare - 1
T0PR= Timer0Config.Prescaler - 1;
// Clear prescaler timer counter
T0PC=0;
// Reset Compare modules
T0MCR=0;
T0MR0=0;
T0MR1=0;
T0MR2=0;
T0MR3=0;
// Reset Capture modules
T0CCR=0;
// Reset External Compare module
T0EMR=0;
break;
case TIMER1:
// Set globe variable
Timer1Config.Precision = precision;
// PR = Precision(us) * Pclk
Timer1Config.Prescaler = (precision * SYS_GetFpclk()) / 1000000;
for (i=0; i<CH_MAXNUM; ++i)
{
Timer1Config.MatchCH[i].Enable = false;
Timer1Config.MatchCH[i].Action = 0;
Timer1Config.MatchCH[i].TimeValue =0;
Timer1Config.MatchCH[i].Fnpr = NULL;
Timer1Config.MatchCH[i].FnprArg = (void *)0;
Timer1Config.CaptureCH[i].Enable = false;
Timer1Config.CaptureCH[i].TriggerType= 0;
Timer1Config.CaptureCH[i].EnableInt = 0;
Timer1Config.CaptureCH[i].Fnpr = NULL;
Timer1Config.CaptureCH[i].FnprArg = (void *)0;
Timer1Config.CaptureCH[i].CPValue= 0;
Timer1Config.ExtAction[i]= DONOTHING;
Timer1Config.ExtBitValue[i]= 0;
}
// Clear interrupts flags
T1IR=0xFF;
// Disable counting
T1TCR=0;
// Clear timer counter
T1TC=0;
// PR = Prescaler - 1
T1PR=Timer1Config.Prescaler - 1;
// Clear prescaler timer counter
T1PC=0;
// Reset Compare modules
T1MCR=0;
T1MR0=0;
T1MR1=0;
T1MR2=0;
T1MR3=0;
// Reset Capture modules
T1CCR=0;
// Reset External Compare module
T1EMR=0;
break;
default:
return 1;
}
return 0;
}
/*************************************************************************
* Function Name: main
* Parameters: none
*
* Return: none
*
* Description: main
*
*************************************************************************/
int main(void)
{
typedef Int32U ram_unit;
// int cursor_x = (C_GLCD_H_SIZE - CURSOR_H_SIZE)/2, cursor_y = (C_GLCD_V_SIZE - CURSOR_V_SIZE)/2;
// unsigned long int deltaT;
static float freq_aveg;
int LCD_updatecount;
LCD_updatecount = 0;
//From uip start
unsigned int i;
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
//From uip end
/*** COMPARE FIX POINT 523235 ***/
/*** COMPARE FIX POINT 523235 ***/
GLCD_Ctrl (FALSE);
// Init GPIO
GpioInit();
#ifndef SDRAM_DEBUG
// MAM init
MAMCR_bit.MODECTRL = 0;
MAMTIM_bit.CYCLES = 3; // FCLK > 40 MHz
MAMCR_bit.MODECTRL = 2; // MAM functions fully enabled
// Init clock
InitClock();
// SDRAM Init
SDRAM_Init();
#endif // SDRAM_DEBUG
// Init VIC
VIC_Init();
// GLCD init
// GLCD_Init (IarLogoPic.pPicStream, NULL); // Can be removed, remember to remove the h and c file as well
// GLCD_Init (LogoPic.pPicStream, NULL); // Can be removed, remember to remove the h and c file as well
GLCD_Init (what_is_a_blissPic.pPicStream, NULL);
GLCD_Cursor_Dis(0); //From uip
// GLCD_Cursor_Dis(0);
// GLCD_Copy_Cursor ((Int32U *)Cursor, 0, sizeof(Cursor)/sizeof(Int32U));
/*** COMPARE FIX POINT 534252 ***/
/*** COMPARE FIX POINT 534252 ***/
GLCD_Cursor_Cfg(CRSR_FRAME_SYNC | CRSR_PIX_32); //From uip
// GLCD_Cursor_Cfg(CRSR_FRAME_SYNC | CRSR_PIX_64);
// GLCD_Move_Cursor(cursor_x, cursor_y);
// GLCD_Cursor_En(0);
//From uip start
// Sys timer init 1/100 sec tick
clock_init(2);
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
//From uip end
// Init USB Link LED
USB_D_LINK_LED_SEL = 0; // GPIO
USB_D_LINK_LED_FSET = USB_D_LINK_LED_MASK;
USB_D_LINK_LED_FDIR |= USB_D_LINK_LED_MASK;
USB_H_LINK_LED_SEL = 0; // GPIO
USB_H_LINK_LED_FSET = USB_H_LINK_LED_MASK;
USB_H_LINK_LED_FDIR |= USB_H_LINK_LED_MASK;
/*-----------------------------------------------------------------*/
// Init AD0[3] for current meassurement
PINSEL1_bit.P0_26 = 1; // Assign P26 to AD0[3], page 180
PINMODE1_bit.P0_26 = 2; // //Neither pull-up or pull-down
// PCONP_bit.PCAD = 1; // Note: Clear the PDN bit in the AD0CR before clearing this bit and set this before PDN
// Other initial parameters are already set
// AD0CR_bit.SEL = 8; // select Ch3 [1111]
current_amp = 0;
/*-----------------------------------------------------------------*/
// Init the DAC converter
//Clock: In the PCLK_SEL0 register (Table 4�), select PCLK_DAC
//PCLKSEL0_bit.PCLK_DAC = 3UL;// **HAS Desided for values yet!** // '11' at bit 23 and 22 (which is CCLK/8) //or use 0x3 for 3UL instead
//Pins: Select the DAC pin and pin mode in registers PINSEL1 and PINMODE1 (see Section 9�.
//PINSEL1 |= (2UL<<20); // PINSEL1_bit.P0_26 = 1; //??
//PINSEL1_bit.P0_26 = 2UL;
//"PINMODE registers control the on-chip pull-up/pull-down resistor feature for all GPIO ports." - page 178
//PINMODE1 |= ________; // See table 128 for values. Write to bit 21:20
//PINMODE1_bit.P0_26 = 2UL; //P0.26MODE = 2UL; //Neither pull-up or pull-down
/* ------------------------------------------------------------------*/
// Init ADC converter
// Power the ADC converter
PINSEL1_bit.P0_25 = 1; // Assign Pin 25 to ADO[2]
PINMODE1_bit.P0_25 = 1; // Neither pull-up or pull-dow
PCONP_bit.PCAD = 1; // Note: Clear the PDN bit in the AD0CR before clearing this bit and set this before PDN
AD0CR_bit.PDN = 1; // A/D converter is operational
AD0CR_bit.START = 0; // Conversion not started
AD0CR_bit.BURST = 0; // disable burst
// AD0CR_bit.SEL = 4; // select Ch2 [11]
// Select number of clocks for each conversion
AD0CR_bit.CLKS = 0; // [000] 11 clocks / 10 bits
AD0CR_bit.CLKDIV = SYS_GetFpclk(ADC_PCLK_OFFSET)/ 10000; // 4500000; // Should be equal to 10K samplingrate
ADINTEN_bit.ADGINTEN = 1; // Global A/D channels enabled by ADINTEN 7:0
// Since only on channel is used at the moment the global flag is enabled
VIC_SetVectoredIRQ(AD0IntrHandler,1,VIC_AD0); // Set the interrupt call
VICINTENABLE |= 1UL << VIC_AD0;
// Setting parameters for the low-pass filter
DACR_previous = 0; // Initialize DACR_temp which is y(i-1)
deltaT = 1.0/TIMER0_TICK_PER_SEC; // Set the sample rate
// Calculate the R*C for cut-off frequency of the low pass filter
alpha = deltaT/(1./(2.*3.1416*100.) + deltaT); // Cut-off = 100 Hz
done = 0; // Channel stage
/* ------------------------------------------------------------------*/
// Setting the port to P0[11] and P0[19]
PINSEL1_bit.P0_19 = 0; // GPIO to P0[19]
PINSEL0_bit.P0_11 = 0; // GPIO to P0[11]
PINMODE1_bit.P0_19 = 2; // Pin has neither pull up or down
PINMODE0_bit.P0_11 = 2; // Pin has neither pull up or down
FIO0DIR_bit.P0_19 = 1;
FIO0CLR = (1UL<<19);
FIO0DIR_bit.P0_11 = 1;
FIO0CLR = (1UL<<11);
FIO0PIN_bit.P0_19 = 1;
FIO0PIN_bit.P0_11 = 1;
/* ------------------------------------------------------------------*/
// Enable TIM0 clocks
PCONP_bit.PCTIM0 = 1; // enable clock
// Init Time0
T0TCR_bit.CE = 0; // counting disable
T0TCR_bit.CR = 1; // set reset
T0TCR_bit.CR = 0; // release reset
T0CTCR_bit.CTM = 0; // Timer Mode: every rising PCLK edge
T0MCR_bit.MR0I = 1; // Enable Interrupt on MR0
T0MCR_bit.MR0R = 1; // Enable reset on MR0
T0MCR_bit.MR0S = 0; // Disable stop on MR0
// set timer 0 period
T0PR = 0;
T0MR0 = SYS_GetFpclk(TIMER0_PCLK_OFFSET)/(TIMER0_TICK_PER_SEC);
// init timer 0 interrupt
T0IR_bit.MR0INT = 1; // clear pending interrupt
VIC_SetVectoredIRQ(Timer0IntrHandler,0,VIC_TIMER0);
VICINTENABLE |= 1UL << VIC_TIMER0;
T0TCR_bit.CE = 1; // counting Enable
__enable_interrupt();
GLCD_Ctrl (TRUE);
#if 0
SDRAM_Test();
#endif
/*
//
SMB380_Init();
SMB380_GetID(&Smb380Id, &Smb380Ver);
SMB380_Data_t XYZT;
*/
/*** COMPARE FIX POINT 856364 ***/
/*** COMPARE FIX POINT 856364 ***/
/*** COMPARE FIX POINT 856364 ***/
/*** COMPARE FIX POINT 856364 ***/
//From uip start
GLCD_SetFont(&Terminal_18_24_12,0x000000,0x000cd4ff);
GLCD_SetWindow(85,10,255,33);
GLCD_TextSetPos(0,0);
GLCD_print("\f Room Station");
//From uip start
/*** COMPARE FIX POINT 458923 ***/
/*** COMPARE FIX POINT 458923 ***/
// GLCD_SetWindow(5,200,319,239);
// GLCD_SetFont(&Terminal_6_8_6,0x0000FF,0x000cd4ff);
// Initialize the ethernet device driver
do
{
GLCD_TextSetPos(0,0);
}
while(!tapdev_init());
GLCD_TextSetPos(0,0);
// uIP web server
// Initialize the uIP TCP/IP stack.
uip_init();
uip_ipaddr(ipaddr, 192,168,0,100);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,168,0,1);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,255,0);
uip_setnetmask(ipaddr);
// Initialize the HTTP server.
httpd_init();
/*** COMPARE FIX POINT 4572742 ***/
/*** COMPARE FIX POINT 4572742 ***/
/*** COMPARE FIX POINT 4572742 ***/
/*** COMPARE FIX POINT 4572742 ***/
/*** WHILE LOOP START ***/
while(1)
{
/*** COMPARE FIX POINT 938194 ***/
/*** COMPARE FIX POINT 938194 ***/
/*** COMPARE FIX POINT 938194 ***/
/*** COMPARE FIX POINT 938194 ***/
/*** COMPARE FIX POINT 938194 ***/
uip_len = tapdev_read(uip_buf);
if(uip_len > 0)
{
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
tapdev_send(uip_buf,uip_len);
}
}
else if(BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
tapdev_send(uip_buf,uip_len);
}
}
}
else if(timer_expired(&periodic_timer))
{
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++)
{
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
tapdev_send(uip_buf,uip_len);
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
tapdev_send();
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
#define AVERAGECOUNT 100000
if(LCD_updatecount <= AVERAGECOUNT) {
++LCD_updatecount;
freq_aveg += freq;
}
else {
freq_aveg = freq_aveg/AVERAGECOUNT;
updateFreqHistory(freq_aveg); //Must be kept together with freq calculation!
GLCD_SetWindow(20,55,150,80);
GLCD_SetFont(&Terminal_18_24_12,0x000000,0x009fee00);
GLCD_TextSetPos(0,5);
GLCD_print("\f Hz %3.3f", freq_aveg);
freq_aveg = 0;
GLCD_SetWindow(20,90,150,115);
GLCD_SetFont(&Terminal_18_24_12,0x000000,0x009fee00);
GLCD_TextSetPos(0,5);
GLCD_print("\f V %3.3f", sqrtf(vol_rms_result));
updateVoltageHistory(sqrtf(vol_rms_result));
GLCD_SetWindow(20,125,150,150);
GLCD_SetFont(&Terminal_18_24_12,0x000000,0x009fee00);
GLCD_TextSetPos(0,5);
GLCD_print("\f uA %3.3f", sqrtf(current_amp));
GLCD_SetWindow(20,160,150,185);
GLCD_SetFont(&Terminal_18_24_12,0x000000,0x009fee00);
GLCD_TextSetPos(0,5);
GLCD_print("\f uP %3.3f", sqrtf(vol_rms_result)*sqrtf(current_amp));
LCD_updatecount = 0;
}
}//while(1) loop
}//main function
