/**********************************************************************//**
* @brief Initializes the System
*
* @param none
*
* @return none
*************************************************************************/
void SystemInit(void)
{
// Set the DCO to 8MHz (it's also the device's power-on setting). Do not change this frequency!
// It impacts the cap touch scan window.
CS_setDCOFreq(__MSP430_BASEADDRESS_CS__, CS_DCORSEL_0, CS_DCOFSEL_6);
// Configure clock source and clock dividers. After this the clock configuration will be as follows:
// ACLK=LFXT1/1=32,768Hz; SMCLK=DCOCLK/1=8MHz; and MCLK=DCOCLK/1=8MHz.
CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_ACLK, CS_LFXTCLK_SELECT, CS_CLOCK_DIVIDER_1);
CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1);
CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1);
// Set all GPIO to output low to minimize current draw by eliminating floating pins.
GPIO_setOutputLowOnPin(GPIO_PORT_PA, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
GPIO_setOutputLowOnPin(GPIO_PORT_PB, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
GPIO_setOutputLowOnPin(GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
GPIO_setAsOutputPin(GPIO_PORT_PA, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
GPIO_setAsOutputPin(GPIO_PORT_PB, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
GPIO_setAsOutputPin(GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
// Configure the left button (S2) connected to P4.6. For this enable the internal pull-up resistor and
// setup the pin interrupt to trigger on rising edges.
GPIO_setAsInputPinWithPullUpresistor(GPIO_PORT_P4, GPIO_PIN5);
GPIO_interruptEdgeSelect(GPIO_PORT_P4, GPIO_PIN5, GPIO_LOW_TO_HIGH_TRANSITION);
GPIO_clearInterruptFlag(GPIO_PORT_P4, GPIO_PIN5);
GPIO_enableInterrupt(GPIO_PORT_P4, GPIO_PIN5);
// Configure the right button (S3) connected to P1.1. For this enable the internal pull-up resistor and
// setup the pin interrupt to trigger on rising edges.
GPIO_setAsInputPinWithPullUpresistor(GPIO_PORT_P1, GPIO_PIN1);
GPIO_interruptEdgeSelect(GPIO_PORT_P1, GPIO_PIN1, GPIO_LOW_TO_HIGH_TRANSITION);
GPIO_clearInterruptFlag(GPIO_PORT_P1, GPIO_PIN1);
GPIO_enableInterrupt(GPIO_PORT_P1, GPIO_PIN1);
// CapSense Setup. GPIO pins P1.3-1.5 and P3.4-3.6 are used for capacitive touch so let's
// switch them to inputs.
// GPIO_setAsInputPin(GPIO_PORT_P1, GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5);
GPIO_setAsInputPin(GPIO_PORT_P3, GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6);
// Enable LFXT functionality on PJ.4 and PJ.5. For this we only need to configure PJ.4 to
// LFXIN and the port module logic takes care of the rest.
GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_PJ, GPIO_PIN4, GPIO_PRIMARY_MODULE_FUNCTION);
// Disable the GPIO power-on default high-impedance mode to activate previously configured port settings
PMM_unlockLPM5(__MSP430_BASEADDRESS_PMM_FRAM__);
// Perform the required LFXT startup procedure now that all of the port pins are configured.
CS_setExternalClockSource(__MSP430_BASEADDRESS_CS__, 32768, 0);
CS_LFXTStart(__MSP430_BASEADDRESS_CS__, CS_LFXT_DRIVE0);
// Initialize LCD driver and the context for the LCD
Sharp96x96_LCDInit();
TA0_enableVCOMToggle();
GrContextInit(&sContext, &g_sharp96x96LCD);
GrContextForegroundSet(&sContext, ClrBlack);
GrContextBackgroundSet(&sContext, ClrWhite);
onLED(); //blink LED1
}
void main(void){
WDT_A_hold(WDT_A_BASE); // Stop WDT
boardInit(); // Basic GPIO initialization
clockInit(8000000); // Config clocks. MCLK=SMCLK=FLL=8MHz; ACLK=REFO=32kHz
Sharp96x96_LCDInit(); // Set up the LCD
GrContextInit(&g_sContext, &g_sharp96x96LCD);
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrContextFontSet(&g_sContext, &g_sFontFixed6x8);
GrClearDisplay(&g_sContext);
GrFlush(&g_sContext);
while(1){
// Intro Screen
GrClearDisplay(&g_sContext);
GrStringDrawCentered(&g_sContext,
"How to use",
AUTO_STRING_LENGTH,
48,
15,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"the MSP430",
AUTO_STRING_LENGTH,
48,
35,
TRANSPARENT_TEXT);
GrStringDraw(&g_sContext,
"Graphics Library",
AUTO_STRING_LENGTH,
1,
51,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"Primitives",
AUTO_STRING_LENGTH,
48,
75,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw pixels and lines on the display
GrStringDrawCentered(&g_sContext,
"Draw Pixels",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"& Lines",
AUTO_STRING_LENGTH,
48,
15,
TRANSPARENT_TEXT);
GrPixelDraw(&g_sContext, 30, 30);
GrPixelDraw(&g_sContext, 30, 32);
GrPixelDraw(&g_sContext, 32, 32);
GrPixelDraw(&g_sContext, 32, 30);
GrLineDraw(&g_sContext, 35, 35, 90, 90);
GrLineDraw(&g_sContext, 5, 80, 80, 20);
GrLineDraw(&g_sContext,
0,
GrContextDpyHeightGet(&g_sContext) - 1,
GrContextDpyWidthGet(&g_sContext) - 1,
GrContextDpyHeightGet(&g_sContext) - 1);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw circles on the display
GrStringDraw(&g_sContext,
"Draw Circles",
AUTO_STRING_LENGTH,
10,
5,
TRANSPARENT_TEXT);
GrCircleDraw(&g_sContext,
30,
70,
20);
GrCircleFill(&g_sContext,
60,
50,
30);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw rectangles on the display
GrStringDrawCentered(&g_sContext,
"Draw Rectangles",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrRectDraw(&g_sContext, &myRectangle1);
GrRectFill(&g_sContext, &myRectangle2);
// Text below won't be visible on screen due to transparency
// (foreground colors match)
GrStringDrawCentered(&g_sContext,
"Normal Text",
AUTO_STRING_LENGTH,
50,
50,
TRANSPARENT_TEXT);
// Text below draws foreground and background for opacity
GrStringDrawCentered(&g_sContext,
"Opaque Text",
AUTO_STRING_LENGTH,
50,
65,
OPAQUE_TEXT);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrContextBackgroundSet(&g_sContext, ClrBlack);
GrStringDrawCentered(&g_sContext,
"Invert Text",
AUTO_STRING_LENGTH,
50,
80,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
// Invert the foreground and background colors
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrRectFill(&g_sContext, &myRectangle3);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrContextBackgroundSet(&g_sContext, ClrBlack);
GrStringDrawCentered(&g_sContext,
"Invert Colors",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrRectDraw(&g_sContext, &myRectangle1);
GrRectFill(&g_sContext, &myRectangle2);
// Text below won't be visible on screen due to
// transparency (foreground colors match)
GrStringDrawCentered(&g_sContext,
"Normal Text",
AUTO_STRING_LENGTH,
50,
50,
TRANSPARENT_TEXT);
// Text below draws foreground and background for opacity
GrStringDrawCentered(&g_sContext,
"Opaque Text",
AUTO_STRING_LENGTH,
50,
65,
OPAQUE_TEXT);
// Text below draws with inverted foreground color to become visible
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrStringDrawCentered(&g_sContext,
"Invert Text",
AUTO_STRING_LENGTH,
50,
80,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrClearDisplay(&g_sContext);
// Draw Images on the display
GrImageDraw(&g_sContext, &LPRocket_96x37_1BPP_UNCOMP, 3, 28);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
GrImageDraw(&g_sContext, &TI_Logo_69x64_1BPP_UNCOMP, 15, 15);
GrFlush(&g_sContext);
Delay();
// __bis_SR_register(LPM0_bits+GIE); //enter low power mode 0 with interrupts
}
}
