/*******************************************
INITIALIZE
*******************************************/
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
BCSCTL1 = CALBC1_1MHZ;
DCOCTL = CALDCO_1MHZ;
serial_init(9600);
__dint(); // Enable global interrupts
/*******************************************
MAIN LOOP
*******************************************/
for(;;)
{
int j = 0; // Char array counter
char cmd_line[90] = { 0 }; // Init empty array
cio_print((char *) "$ "); // Display prompt
char c = cio_getc(); // Wait for a character
while(c != '\r') { // until return sent then ...
if(c == 0x08) { // was it the delete key?
if(j != 0) { // cursor NOT at start?
cmd_line[--j] = 0; // delete key logic
cio_printc(0x08); cio_printc(' '); cio_printc(0x08);
}
} else { // otherwise ...
cmd_line[j++] = c; cio_printc(c); // echo received char
}
c = cio_getc(); // Wait for another
}
cio_print((char *) "\n\n\r"); // Delimit command result
switch(shell_process(cmd_line)) // Execute specified shell command
{ // and handle any errors
case SHELL_PROCESS_ERR_CMD_UNKN:
cio_print((char *) "ERROR, unknown command given\n\r");
break;
case SHELL_PROCESS_ERR_ARGS_LEN:
cio_print((char *) "ERROR, an arguement is too lengthy\n\r");
break;
case SHELL_PROCESS_ERR_ARGS_MAX:
cio_print((char *) "ERROR, too many arguements given\n\r");
break;
default:
break;
}
cio_print((char *) "\n"); // Delimit before prompt
}
return 0;
}
/*******************************************
INITIALIZE
*******************************************/
void main(void) {
//Basic prep
WDTCTL = WDTPW + WDTHOLD; //Stop Watchdog TImer
BCSCTL1 = CALBC1_1MHZ; //Clocks
DCOCTL = CALDCO_1MHZ;
P1REN = BIT3; //turn on pull-resistor on 0b0001000
P1OUT |= BIT3; //powers pin3 (button)
P1IE = BIT3; //enables p1 interrupt on pin 1.3
P1IES |= BIT3; //sets interrupt on high to low
P1IFG &= ~BIT3; //clears interrupt flag
//Prep 1st PWM channel (X AXIS)
TA0CCTL1 = OUTMOD_7; // TA0CCR1 reset/set
TA0CTL = TASSEL_2 + MC_1; // SMCLK + upmode
//upmode(MC_1): the Timer repeatedly counts from 0 to the value set in register TACCR0)
TACCR0 = PWM_PRD-1; //set pwm period
TACCR1 = 0; //set TA0CCR1 PWM Duty Cycle
P1DIR |= BIT6; //Pin 1.6 set as output
P1SEL |= BIT6; //Set Pin 1.6 for pwm use
//Prep 2nd PWM channel (Y AXIS)
TA1CCTL1 = OUTMOD_7; //set/reset mode
TA1CTL = TASSEL_2 + MC_1; //SMCLK + upmode
TA1CCR0 = PWM_PRD-1; //set pwm period
TA1CCR1 = 0; //set TA0CCR1_ pwm duty cycle
P2DIR |= BIT2 | BIT3; //set as output
P2OUT |= BIT2;
P2SEL |= BIT2; //Set pin 2.2 for pwm use
serial_init(9600); // set serial clockrate
__enable_interrupt(); // Enable global interrupts
/*******************************************
MAIN LOOP
*******************************************/
for(;;) {
int j = 0; // Char array counter
char cmd_line[255] = {0}; // Init empty array
cio_print((char *) "$ "); // Display prompt
char c = cio_getc(); // Wait for a character
while(c != '\r') { // until return sent then ...
if(c == 0x08) { // was it the delete key?
if(j != 0) { // cursor NOT at start?
cmd_line[--j] = 0; cio_printc(0x08); cio_printc(' '); cio_printc(0x08);
} // delete key logic
} else { // otherwise ...
cmd_line[j++] = c; cio_printc(c); // echo received char
}
c = cio_getc(); // Wait for another
}
cio_print((char *) "\n\n\r"); // Delimit command result
switch(shell_process(cmd_line)) // Execute specified shell command
{ // and handle any errors
case SHELL_PROCESS_ERR_CMD_UNKN:
cio_print((char *) "ERROR, unknown command given\n\r");
break;
case SHELL_PROCESS_ERR_ARGS_LEN:
cio_print((char *) "ERROR, an arguement is too lengthy\n\r");
break;
case SHELL_PROCESS_ERR_ARGS_MAX:
cio_print((char *) "ERROR, too many arguements given\n\r");
break;
default:
break;
}
cio_print((char *) "\n"); // Delimit before prompt
}
}
