//------------------------------------------------------------------------------
/// Shutdown the LCD
//------------------------------------------------------------------------------
void LCDD_Stop(void)
{
// Enable peripheral clock
AT91C_BASE_PMC->PMC_PCDR = 1 << AT91C_ID_LCDC;
#if defined(at91sam9261)
AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_HCK1;
#endif
// Disable the LCD and the DMA
LCD_DisableDma();
LCD_Disable(0);
}
//------------------------------------------------------------------------------
/// Initializes the LCD controller using the board-specific parameters (stored
/// in the corresponding board.h). The LCD and DMA are not enabled by this
/// function; this is done during the first call to LCDD_DisplayBuffer.
//------------------------------------------------------------------------------
void LCDD_Initialize(void)
{
const Pin pPins[] = {PINS_LCD};
// Enable pins
PIO_Configure(pPins, PIO_LISTSIZE(pPins));
// Enable peripheral clock
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_LCDC;
#if defined(at91sam9261)
AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_HCK1;
#endif
// Disable the LCD and the DMA
LCD_DisableDma();
LCD_Disable(0);
// Configure the LCD controller
LCD_SetPixelClock(BOARD_MCK, BOARD_LCD_PIXELCLOCK);
LCD_SetDisplayType(BOARD_LCD_DISPLAYTYPE);
LCD_SetScanMode(AT91C_LCDC_SCANMOD_SINGLESCAN);
LCD_SetBitsPerPixel(BOARD_LCD_BPP);
LCD_SetPolarities(BOARD_LCD_POLARITY_INVVD,
BOARD_LCD_POLARITY_INVFRAME,
BOARD_LCD_POLARITY_INVLINE,
BOARD_LCD_POLARITY_INVCLK,
BOARD_LCD_POLARITY_INVDVAL);
LCD_SetClockMode(BOARD_LCD_CLOCKMODE);
LCD_SetMemoryFormat((unsigned int) AT91C_LCDC_MEMOR_LITTLEIND);
LCD_SetSize(BOARD_LCD_WIDTH, BOARD_LCD_HEIGHT);
// Configure timings
LCD_SetVerticalTimings(BOARD_LCD_TIMING_VFP,
BOARD_LCD_TIMING_VBP,
BOARD_LCD_TIMING_VPW,
BOARD_LCD_TIMING_VHDLY);
LCD_SetHorizontalTimings(BOARD_LCD_TIMING_HBP,
BOARD_LCD_TIMING_HPW,
BOARD_LCD_TIMING_HFP);
// Configure contrast (TODO functions)
LCD_SetContrastPrescaler(AT91C_LCDC_PS_NOTDIVIDED);
LCD_SetContrastPolarity(AT91C_LCDC_POL_POSITIVEPULSE);
LCD_SetContrastValue(0x80);
LCD_EnableContrast();
// Configure DMA
LCD_SetFrameSize(BOARD_LCD_FRAMESIZE);
LCD_SetBurstLength(4);
}
int32_t main(void)
{
int32_t bLoop = true;
uint32_t com, seg, onoff;
uint8_t u8Item;
char input;
char text[LCD_DIGIT_NUM]="";
int32_t idx = 0, blinkfreq, ret;
long long num;
S_LCD_INIT lcdinit;
STR_UART_T param;
SYS_SetChipClockSrc((CLK_PWRCTL_HXT_EN | CLK_PWRCTL_LXT_EN), 1);
// Wait HXT and LXT stable
while(SYS_CheckChipClockSrc(CLK_CLKSTATUS_LXT_STB | CLK_CLKSTATUS_HXT_STB) != 0) ;
/* Select UART Clock Source From 12MHz */
SYS_SelectIPClockSource_1(CLK_CLKSEL1_UART_MASK, CLK_CLKSEL1_UART_HXT);
MFP_UART0_TO_PORTA();
param.u32BaudRate = 115200;
param.u32cDataBits = DRVUART_DATABITS_8;
param.u32cStopBits = DRVUART_STOPBITS_1;
param.u32cParity = DRVUART_PARITY_NONE;
param.u32cRxTriggerLevel = DRVUART_FIFO_1BYTES;
param.u8TimeOut = 0;
UART_Init(UART0, ¶m);
/* Select LCD Clock Source From 32KHz */
SYS_SelectIPClockSource_1(CLK_CLKSEL1_LCD_MASK, CLK_CLKSEL1_LCD_LXT);
/* Select LCD Clock Source From 10KHz */
//SYS_SelectIPClockSource_1(CLK_CLKSEL1_LCD_MASK, CLK_CLKSEL1_LCD_LIRC);
/* Select LCD COMs, SEGs, V1 ~ V3, DH1, DH2 */
MFP_LCD_TYPEA();
/* LCD Initialize */
lcdinit.cpump_enable = true;
lcdinit.internal_bias = false;
lcdinit.cpump_freqdiv = LCD_CPUMP_DIV1;
lcdinit.cpump_voltage = LCD_CPVOl_3V;
lcdinit.bias = LCD_BIAS_THIRD;
lcdinit.mux = LCD_MUX_ONE_FOURTH;
lcdinit.freqdiv = LCD_FREQ_DIV64;
LCD_Init(&lcdinit);
while(bLoop)
{
idx = 0;
strcpy(text, ""); // clear buffer
TestItem();
u8Item = getchar();
printf("%c\n", u8Item);
switch(u8Item)
{
case '0':
{
printf("Input text: ");
while(1)
{
input = getchar();
printf("%c", input);
if(input == 0xD) break;
strcat( text, &input);
idx++;
if(idx >= LCD_ALPHABET_NUM) break;
}
printf("\n");
printf("%s \n", text);
LCD_Write(text);
break;
}
case '1':
{
printf("Input number: ");
while(1)
{
input = getchar();
printf("%c", input);
if(input == 0xD) break;
strcat( text, &input);
idx++;
if(idx >= LCD_DIGIT_NUM) break;
}
printf("\n");
//num = atof(text);
num = local_atoi(text);
LCD_Number(num);
break;
}
case '2':
{
//DrvLCD_Write("NUVOTON");
LCD_Number(8888888888888);
input:
printf("Input the frequency of blinking (ms): ");
blinkfreq = sysGetNum();
printf("\n");
ret = LCD_BlinkFrequency(blinkfreq);
if(ret == ERR_LCD_CAL_BLINK_FAIL)
{
printf("Over the time range and input again...\n");
goto input;
}
LCD_EnableInt(LCD_FRAMECOUNT_INT);
LCD_EnableBlink();
printf("Any key to end Blinking display...");
getchar();
LCD_DisableBlink();
break;
}
case '3':
printf("Pixel On/Off (1:On, 0:Off): ");
onoff = sysGetNum();
printf("\n");
if(onoff>1) continue;
printf("Input Com: ");
com = sysGetNum();
printf("\nInput Segment: ");
seg = sysGetNum();
if(onoff)
LCD_EnableSegment(com, seg);
else
LCD_DisableSegment(com, seg);
break;
case '4':
bLoop = false;
break;
default:
printf("Wrong Item\n");
break;
}
}
LCD_Disable();
return true;
}
