tmp

lab2/main.c

@@ -11,19 +11,60 @@ uint8_t bump_status;
 uint8_t bump_dump[DUMP_SIZE];
 
 void DebugDump(uint8_t bump) {
-    static idx = 0;
+    static int idx = 0;
     idx = (idx + 1) % DUMP_SIZE;
     bump_dump[idx] = bump;
 }
 
+#include "inc/msp432p401r.h"
+
+#define SW1     0x02 // on the left side of the LaunchPad board
+#define SW2     0x10 // on the right side of the LaunchPad board
+#define RED     0x01
+#define GREEN   0x02
+#define BLUE    0x04
+#define BUMP_PINS 0b11101101
+
+
+void initColorLED(void) {
+    P2->SEL0 &= ~0x07;
+    P2->SEL1 &= ~0x07;   // 1) configure P2.2-P2.0 as GPIO
+    P2->DIR  |=  0x07;   // 2) make P2.2-P2.0 out
+    P2->DS   |=  0x07;   // 3) activate increased drive strength
+    P2->OUT  &= ~0x07;   // 4) all LEDs off
+}
+
+void initInput(void) {
+    P1->SEL0 &= ~(SW1 | SW2);
+    P1->SEL1 &= ~(SW1 | SW2);  // 1) configure P1.4 P1.1 P1.0 as GPIO
+    P1->DIR  &= ~(SW1 | SW2);  // 2) SW1 and SW2 input
+    P1->REN  |=  (SW1 | SW2);  // 4) enable pull resistors on P1.4 and P1.1
+}
+
+void Port2Init(void) {
+    P2->SEL0 = 0x00;
+    P2->SEL1 = 0x00;    // configure P2.2-P2.0 as GPIO
+    P2->DS = 0x07;      // make P2.2-P2.0 high drive strength
+    P2->DIR = 0x07;     // make P2.2-P2.0 out
+    P2->OUT = 0x00;     // all LEDs off
+}
+
 int main(void) {
     ClockInit48MHz();
     BumpInit();
 
+    Port2Init();
+
     while (true) {
         // 10ms delay
         Delay1ms(10);
         bump_status = BumpRead();
+        P2->OUT = 0;
+
+        if (bump_status & 0x01) P2->OUT |= RED;
+        if (bump_status & 0x04) P2->OUT |= GREEN;
+        if (bump_status & 0x08) P2->OUT |= BLUE;
+        
         // debug dump
         DebugDump(bump_status);
     }

lab3/main.c

@@ -9,8 +9,17 @@
 
 #include "inc/msp432p401r.h"
 
-void DebugDump(uint8_t bump, uint8_t line) {
+#define REDLED (*((volatile uint8_t *)(0x42098040)))
-    // write this as part of Lab 10
+
+#define DUMP_SIZE 256
+
+uint8_t bump_status;
+uint8_t bump_dump[DUMP_SIZE];
+
+void DebugDump(uint8_t bump) {
+    static int idx = 0;
+    idx = (idx + 1) % DUMP_SIZE;
+    bump_dump[idx] = bump;
 }
 
 // **************SysTick_Init*********************
@@ -30,15 +39,22 @@ void SysTickInit(uint32_t period, uint32_t priority) {
 }
 
 void SysTick_Handler(void) {  // every 1ms
-    // write this as part of Lab 10
+    // REDLED = 1;
+    // uint8_t bump = BumpRead();
+    // REDLED = 0;
+    volatile int i = 0;
+    ++i;
 }
 
 int main(void) {
-    // write this as part of Lab 3
     ClockInit48MHz();
     BumpInit();
     ReflectanceInit();
-    SysTickInit(?, 1);  // 1ms SysTickInit
+    SysTickInit(480000, 1); // 1ms SysTickInit
-    CPU_cpsie();            // Enable interrupts
+    CPU_cpsie();             // Enable interrupts
-    while (true) {}
+
+    while (true) {
+        REDLED = 1;
+        REDLED = 0;
+    }
 }