Cleanup with some comments

cnlohr · Sep 27, 2024 · 0a85294 · 0a85294
1 parent 5bb63c7
commit 0a85294
Showing 1 changed file with 12 additions and 6 deletions.
diff --git a/examples/gpio_and_adc/gpio_and_adc.c b/examples/gpio_and_adc/gpio_and_adc.c
@@ -35,46 +35,52 @@ int main()
 	funGpioInitAll();
 	funAnalogInit();
 
-	funPinMode( PA1, GPIO_CFGLR_IN_ANALOG );    // Also A0
-	funPinMode( PA2, GPIO_CFGLR_IN_PUPD );      // Also A1
-	funPinMode( PC4, GPIO_CFGLR_OUT_50Mhz_OD ); // Also A2
-	funPinMode( PD2, GPIO_CFGLR_OUT_50Mhz_PP ); // Also A3
+	funPinMode( PA1, GPIO_CFGLR_IN_ANALOG );    // Corresponds to analog in A0
+	funPinMode( PA2, GPIO_CFGLR_IN_PUPD );      // Corresponds to analog in A1
+	funPinMode( PC4, GPIO_CFGLR_OUT_50Mhz_OD ); // Corresponds to analog in A2
+	funPinMode( PD2, GPIO_CFGLR_OUT_50Mhz_PP ); // Corresponds to analog in A3
 	funPinMode( PC1, GPIO_CFGLR_OUT_50Mhz_OD ); // PC1 = 5V tolerant (so no ADC)
 
 	while(1)
 	{
+		// Drive digitals high
 		funDigitalWrite( PA1, 1 );
 		funDigitalWrite( PA2, 1 );
 		funDigitalWrite( PC4, 1 );
 		funDigitalWrite( PD2, 1 );
 		funDigitalWrite( PC1, 1 ); // 5v tolerant, no ADC
 
+		Delay_Ms(1000);
+
 		printf( "1: %d %d %d %d\n",
 			funAnalogRead( ANALOG_0 ),
 			funAnalogRead( ANALOG_1 ),
 			funAnalogRead( ANALOG_2 ),
 			funAnalogRead( ANALOG_3 ) );
 
-		printf( "   %d %d %d %d %d\n",
+		printf( "   %d %d %d %d %d\n\n",
 			funDigitalRead( PA1 ),
 			funDigitalRead( PA2 ),
 			funDigitalRead( PC4 ),
 			funDigitalRead( PD2 ),
 			funDigitalRead( PC1 ) );
 
+		// Drive digitals low
 		funDigitalWrite( PA1, 0 );
 		funDigitalWrite( PA2, 0 );
 		funDigitalWrite( PC4, 0 );
 		funDigitalWrite( PD2, 0 );
 		funDigitalWrite( PC1, 0 ); // 5v tolerant, no ADC
 
+		Delay_Ms(1000);
+
 		printf( "0: %d %d %d %d\n",
 			funAnalogRead( ANALOG_0 ),
 			funAnalogRead( ANALOG_1 ),
 			funAnalogRead( ANALOG_2 ),
 			funAnalogRead( ANALOG_3 ) );
 
-		printf( "   %d %d %d %d %d\n",
+		printf( "   %d %d %d %d %d\n\n",
 			funDigitalRead( PA1 ),
 			funDigitalRead( PA2 ),
 			funDigitalRead( PC4 ),