use model-dependent GPIO bits

Signed-off-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com>

diff --git a/msp430/main.c b/msp430/main.c
index 09b34f84d319d716f6c295a9b1f5af557adaa3f7..dab85428e6635833fe526b2d73f8059004799f01 100644 (file)
--- a/msp430/main.c
+++ b/msp430/main.c
@@ -4,6 +4,21 @@ static volatile unsigned int ADC_Result;
 static volatile unsigned int irq_events = 0;
 enum {ev_btn1 = 0, ev_btn2, ev_pir1, ev_pir2, ev_tmr, ev_adc, ev_MAX};
 
+#ifdef ADCSC /* Let us hope that this is a "new" model */
+# define BIT_RL BIT0
+# define BIT_GL BIT1
+# define PBTN(x) P2##x
+# define BIT_BTN BIT3
+# define HAVE_BTN2
+# define BIT_BTN2 BIT7
+#else
+# define BIT_RL BIT0
+# define BIT_GL BIT6
+# define PBTN(x) P1##x
+# define BIT_BTN BIT3
+# define BIT_BTN2 0
+#endif
+
 int main(void)
 {
        int Duty_Cycle = 1;
@@ -13,22 +28,22 @@ int main(void)
 
        WDTCTL = WDTPW | WDTHOLD;       // stop watchdog timer
        // Configure GPIO Out
-       P1DIR |= BIT0|BIT1|BIT2;        // Set LEDs & PWM to output direction
-       P1OUT &= ~(BIT0|BIT1);          // P1.0&1 LEDs off
-       P1SEL1 |= BIT2;                 // P1.2 PWM out
+       P1DIR |= BIT_RL|BIT_GL|BIT7;    // Set LEDs & PWM to output direction
+       P1OUT &= ~(BIT_RL|BIT_GL);      // LEDs off
+       P1SEL1 |= BIT7;                 // PWM out
 
        // Configure GPIO In
-       P2DIR &= ~(BIT3|BIT7);          // Buttons
-       P2OUT |= BIT3|BIT7;             // Pull up
-       P2REN |= BIT3|BIT7;             // Enable pull-up
-       P2IES |= BIT3|BIT7;             // INT on Hi->Lo edge
-       P2IE  |= BIT3|BIT7;             // INT enable
-
-       P2DIR &= ~(BIT2|BIT5);          // PIR Sensors
-       P2OUT &= ~(BIT2|BIT5);          // Pull down
-       P2REN |= BIT2|BIT5;             // Enable pull-down
-       P2IES &= ~(BIT2|BIT5);          // INT on Lo->Hi edge
-       P2IE  |= BIT2|BIT5;             // INT enable
+       PBTN(DIR) &= ~(BIT_BTN|BIT_BTN2);       // Buttons
+       PBTN(OUT) |= BIT_BTN|BIT_BTN2;          // Pull up
+       PBTN(REN) |= BIT_BTN|BIT_BTN2;          // Enable pull-up
+       PBTN(IES) |= BIT_BTN|BIT_BTN2;          // INT on Hi->Lo edge
+       PBTN(IE)  |= BIT_BTN|BIT_BTN2;          // INT enable
+
+       P2DIR &= ~(BIT4|BIT5);          // PIR Sensors
+       P2OUT &= ~(BIT4|BIT5);          // Pull down
+       P2REN |= BIT4|BIT5;             // Enable pull-down
+       P2IES &= ~(BIT4|BIT5);          // INT on Lo->Hi edge
+       P2IE  |= BIT4|BIT5;             // INT enable
 
        // Configure ADC A7 pin
        SYSCFG2 |= ADCPCTL7;