Diff: main.cpp

Revision:

12:e44766b61346

Parent:

11:4256dbbb0c89

Child:

13:61131aac4031

--- a/main.cpp	Sun Dec 29 06:46:19 2019 +0000
+++ b/main.cpp	Sun Dec 29 06:59:45 2019 +0000
@@ -25,7 +25,8 @@
 } BUFFER_StateTypeDef;
 
 
-#define AUDIO_BLOCK_SIZE   ((uint32_t)256)
+#define HALF_AUDIO_BLOCK_SIZE           ((uint32_t)128)         // Number of samples @ Frequency
+#define AUDIO_BLOCK_SIZE                ((uint32_t)256)
 
 #define SDRAM_DEVICE_ADDR_AUDIO_MEM     ((uint32_t)0xC0400000)
 #define AUDIO_BUFFER_IN                 SDRAM_DEVICE_ADDR_AUDIO_MEM
@@ -97,8 +98,8 @@
         memcpy((uint16_t *)(AUDIO_BUFFER_OUT), (uint16_t *)(AUDIO_BUFFER_IN), AUDIO_BLOCK_SIZE);
 
     /* Plot trace of first half block recording */   
-        Erase_Trace(OSC_START_X_POS, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, 300);
-        Draw_Trace(OSC_START_X_POS, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, (uint16_t *) AUDIO_BUFFER_IN, 300);
+        Erase_Trace(OSC_START_X_POS, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, HALF_AUDIO_BLOCK_SIZE);
+        Draw_Trace(OSC_START_X_POS, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, (uint16_t *) AUDIO_BUFFER_IN, HALF_AUDIO_BLOCK_SIZE);
 
         first_half_time = timer.read_us();
 
@@ -112,8 +113,8 @@
         memcpy((uint16_t *)(AUDIO_BUFFER_OUT + (AUDIO_BLOCK_SIZE)), (uint16_t *)(AUDIO_BUFFER_IN + (AUDIO_BLOCK_SIZE)), AUDIO_BLOCK_SIZE);
 
     /* Plot second half recording */
-        //Erase_Trace(OSC_START_X_POS+OSC_LINE_SIZE, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, 50);
-        //Draw_Trace(OSC_START_X_POS+OSC_LINE_SIZE, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, (uint16_t *) AUDIO_BUFFER_IN + (AUDIO_BLOCK_SIZE), 50);
+        Erase_Trace(OSC_START_X_POS+HALF_AUDIO_BLOCK_SIZE, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, HALF_AUDIO_BLOCK_SIZE);
+        Draw_Trace(OSC_START_X_POS+HALF_AUDIO_BLOCK_SIZE, L_CHANNEL_Y_POS, R_CHANNEL_Y_POS, (uint16_t *) AUDIO_BUFFER_IN + (AUDIO_BLOCK_SIZE), HALF_AUDIO_BLOCK_SIZE);