int main()
{
WDTCTL = WDTPW | WDTHOLD;
DCOCTL = CALDCO_16MHZ;
BCSCTL1 = CALBC1_16MHZ;
BCSCTL2 = DIVS_1; // SMCLK = DCO/2 (8MHz)
//__delay_cycles(8000); // Short delay to let the LCD wake up -- turns out this isn't necessary
// Chip select
P2DIR |= BIT0;
P2OUT |= BIT0; // Drive it high to disable LCD
// Backlight
P2DIR |= BIT5;
P2OUT |= BIT5; // Turn on backlight
spi_init();
msp1202_init();
lcd_printf("Hi there my\n");
lcd_printf("name is Eric.\n");
msp1202_move(8, 0);
while(1) {
__delay_cycles(16000000);
lcd_printf("txt %d", 1);
__delay_cycles(16000000);
lcd_printf("txt %d", 2);
}
LPM4;
return 0;
}
int main()
{
WDTCTL = WDTPW | WDTHOLD;
//__delay_cycles(8000); // Short delay to let the LCD wake up -- turns out this isn't necessary
// Chip select
P1DIR |= BIT5;
P1OUT |= BIT5; // Drive it high to disable LCD
// Backlight
P1SEL0 &= ~BIT2;
P1SEL1 &= ~BIT2;
P1DIR |= BIT2;
P1OUT |= BIT2; // Turn on backlight
// LFXT1 pins
PJSEL0 = BIT4 | BIT5;
PJSEL1 = 0x00;
PM5CTL0 &= ~LOCKLPM5; // Enable GPIO on Wolverine
// Wolverine Clock System setup
CSCTL0_H = CSKEY >> 8;
FRCTL0 = FWPW | NACCESS_2; // 24MHz (2 wait states)
CSCTL2 = SELA__LFXTCLK | SELS__DCOCLK | SELM__DCOCLK;
CSCTL3 = DIVA__1 | DIVS__4 | DIVM__1;
CSCTL1 = DCORSEL | DCOFSEL_6; // 24MHz
CSCTL4 &= ~LFXTOFF;
do {
CSCTL5 &= ~LFXTOFFG;
SFRIFG1 &= ~OFIFG;
} while (SFRIFG1 & OFIFG);
CSCTL0_H = 0;
spi_init();
msp1202_init();
lcd_printf("Hi there my\n");
lcd_printf("name is Eric.\n");
msp1202_move(8, 0);
while(1) {
__delay_cycles(16000000);
lcd_printf("txt %d", 1);
__delay_cycles(16000000);
lcd_printf("txt %d", 2);
}
LPM4;
return 0;
}
int main()
{
WDTCTL = WDTPW | WDTHOLD;
DCOCTL = CALDCO_16MHZ;
BCSCTL1 = CALBC1_16MHZ;
BCSCTL2 = DIVS_1; // SMCLK = DCO/2 (8MHz)
//__delay_cycles(8000); // Short delay to let the LCD wake up -- turns out this isn't necessary
// Chip select
P2DIR |= BIT0;
P2OUT |= BIT0; // Drive it high to disable LCD
// Backlight
P2DIR |= BIT5;
P2OUT |= BIT5; // Turn on backlight
// Pushbuttons
P2DIR &= ~(BIT3 | BIT4);
P2OUT |= BIT3 | BIT4;
P2REN |= BIT3 | BIT4;
P2IES |= BIT3 | BIT4;
P2IFG &= ~(BIT3 | BIT4);
P2IE |= BIT3 | BIT4;
spi_init();
msp1202_init();
ste2007_contrast(8);
lcd_printf("Hi there my\n");
lcd_printf("name is Eric.\n");
_EINT();
while(1) {
if ( (~P2IN) & (BIT3|BIT4) ) {
if (!(P2IN & BIT3)) {
lcd_printf("S1 pressed\n");
P2OUT ^= BIT5;
}
if (!(P2IN & BIT4)) {
lcd_printf("S2 pressed\n");
}
}
LPM4;
}
return 0;
}
int main()
{
WDTCTL = WDTPW | WDTHOLD;
DCOCTL = CALDCO_16MHZ;
BCSCTL1 = CALBC1_16MHZ;
BCSCTL2 = DIVS_3; // SMCLK = DCO/8 (2MHz)
//__delay_cycles(8000); // Short delay to let the LCD wake up -- turns out this isn't necessary
// Chip select
P2SEL &= ~BIT4;
P2SEL2 &= ~BIT4;
P2REN &= ~BIT4;
P2DIR |= BIT4;
P2OUT |= BIT4; // Drive it high to disable LCD
// Backlight
P3SEL &= ~BIT6;
P3SEL2 &= ~BIT6;
P3REN &= ~BIT6;
P3DIR |= BIT6;
P3OUT |= BIT6; // Turn on backlight
spi_init();
// 250ms delay to let the Nokia display wake up out of RESET
__delay_cycles(16000000 / 4);
msp1202_init();
ste2007_contrast(8);
msp1202_puts("Hi there my\n");
msp1202_puts("name is Eric.\n");
msp1202_move(8, 0);
while(1) {
__delay_cycles(16000000);
msp1202_puts("txt 1");
__delay_cycles(16000000);
msp1202_puts("txt 2");
}
LPM4;
return 0;
}
int main()
{
WDTCTL = WDTPW | WDTHOLD;
P4DIR |= BIT7;
P4OUT |= BIT7;
if (!ucs_clockinit(16000000, 1, 0))
LPM4;
P4OUT &= ~BIT7;
UCSCTL5 = DIVS__4;
// Chip select
P2SEL &= ~BIT7;
P2REN &= ~BIT7;
P2DIR |= BIT7;
P2OUT |= BIT7; // Drive it high to disable LCD
// Backlight
P2SEL &= ~BIT6;
P2REN &= ~BIT6;
P2DIR |= BIT6;
P2OUT &= ~BIT6; // Turn off backlight
spi_init();
msp1202_init();
ste2007_contrast(8);
msp1202_puts("Hi there my\n");
msp1202_puts("name is Eric.\n");
msp1202_move(8, 0);
while(1) {
__delay_cycles(16000000);
msp1202_puts("txt 1");
__delay_cycles(16000000);
msp1202_puts("txt 2");
}
LPM4;
return 0;
}
int main()
{
uint8_t do_lpm, is_ext;
int i, j, k;
uint32_t msgid;
WDTCTL = WDTPW | WDTHOLD;
DCOCTL = CALDCO_16MHZ;
BCSCTL1 = CALBC1_16MHZ;
BCSCTL2 = DIVS_1;
BCSCTL3 = LFXT1S_2;
while (BCSCTL3 & LFXT1OF)
;
P1SEL &= ~BIT0;
P1SEL2 &= ~BIT0;
P1DIR |= BIT0;
P1OUT &= ~BIT0;
sleep_counter = SLEEP_COUNTER;
inbuf[8] = '\0';
can_init();
if (can_speed(500000, 1, 3) < 0) {
P1OUT |= BIT0;
LPM4;
}
// LCD init
P2SEL &= ~(BIT0 | BIT5);
P2SEL2 &= ~(BIT0 | BIT5);
P2DIR |= BIT0 | BIT5;
P2OUT |= BIT0 | BIT5;
msp1202_init();
msp1202_puts("CAN printer\n0x00000080-\n");
can_rx_setmask(0, 0xFFFFFFFF, 1);
can_rx_setmask(1, 0xFFFFFFFF, 1);
can_rx_setfilter(0, 0, 0x00000080);
can_rx_mode(0, MCP2515_RXB0CTRL_MODE_RECV_STD_OR_EXT);
can_ioctl(MCP2515_OPTION_LOOPBACK, 0);
can_ioctl(MCP2515_OPTION_ONESHOT, 0);
can_ioctl(MCP2515_OPTION_ROLLOVER, 1);
/* Flowchart for program flow:
*
* START
* |
* +---------<-------------------+-----------<-----------------------+
* | | |
* \|/ /|\ |
* -------------- | |
* / \ +------+ | |
* < Is IRQ pending? > No->---| LPM4 |->--+ |
* \ / +------+ /|\
* ------------- |
* Yes |
* | |
* \_/ |
* ----------- ------------- |
* / \ / \ |
* < Is IRQ_ERROR? > Yes->--< Is IRQ_HANDLED? > Yes->-------------------------+
* \ / \ / |
* ----------- ------------- |
* No No |
* | | /|\
* \_/ \_/ |
* -------- -------- +-----------------+ |
* / \ / \ | Cancel TX using | |
* < Is IRQ_RX? > No->---->---< Is IRQ_TX? > Yes->--| can_tx_cancel() |->----+
* \ / \ / +-----------------+ |
* -------- -------- |
* Yes No |
* | | /|\
* \_/ \_/ |
* +----------------+ +-------------------+ |
* | Pull data | | Bus error, wait | |
* | using can_recv | | 100ms and recheck |->---------------------------+
* +----------------+ | IRQ. | |
* | +-------------------+ |
* \_/ |
* +--------------+ /|\
* | Write buffer | |
* | contents to | |
* | LCD using |->--------------------------->---------------------------+
* | msp1202_puts |
* +--------------+
*
*
*
*/
while(1) {
do_lpm = 1;
if (mcp2515_irq) {
irq = can_irq_handler();
if (irq & MCP2515_IRQ_ERROR) {
if ( !(irq & MCP2515_IRQ_HANDLED) ) {
if (irq & MCP2515_IRQ_TX) {
can_tx_cancel();
} else {
// Bus error; wait 100ms, recheck
P1OUT |= BIT0;
__delay_cycles(1600000);
P1OUT &= ~BIT0;
do_lpm = 0;
}
} else {
// RX overflow, most likely
msp1202_puts("RX OVERFLOW\n");
}
}
if (irq & MCP2515_IRQ_RX) {
j = 0;
k = can_rx_pending();
do {
i = can_recv(&msgid, &is_ext, inbuf+j);
if ( !(i & 0x40) ) {
j += i;
}
//msp1202_putc(k + '0', 0); msp1202_putc(' ', 0);
} while ( (k = can_rx_pending()) >= 0 );
//inbuf[j++] = '\n'; inbuf[j] = '\0';
inbuf[j] = '\0';
msp1202_puts((char*)inbuf);
//msp1202_putc('\n', 1);
} else {
if (irq & MCP2515_IRQ_TX) {
can_tx_cancel();
}
}
}
if ( do_lpm && !(mcp2515_irq & MCP2515_IRQ_FLAGGED) ) {
LPM4;
}
}
return 0;
}
