1 files changed, 9 insertions, 3 deletions
diff --git a/Core/Inc/cs4272.h b/Core/Inc/cs4272.h
index 30e493a..423b7c0 100755
--- a/Core/Inc/cs4272.h
+++ b/Core/Inc/cs4272.h
@@ -8,7 +8,9 @@
 #ifndef INC_CS4272_H_
 #define INC_CS4272_H_
 
-// cs4272k-czzr 7. REGISTER QUICK REFERENCE
+#include <stdint.h>
+
+/* cs4272k-czzr 7. REGISTER QUICK REFERENCE */
 #define MODE_CONTROL_1 0x01
 #define DAC_CONTROL 0x02
 #define DAC_VOLUME_AND_MIXING_CONTROL 0x03
@@ -20,16 +22,20 @@
 
 #define CS4272_CHIP_ID 0x0
 
-// set by ncs/ad0 pin
+/* set by ad0 ncs pin */
 #define CS4272_I2C_ADDR (0b0010000 << 1)
 
+#define SAMPLE_RATE 48000
 #define BUFFER_SIZE 512
 
 extern volatile int32_t rx_buffer[BUFFER_SIZE];
 extern volatile int32_t tx_buffer[BUFFER_SIZE];
+extern volatile float samples[BUFFER_SIZE];
 
 extern const uint8_t CS4272_CONFIG[7];
 
-uint8_t CS4272_Init();
+uint8_t CS4272_Init(void);
+
+#define INT24_MAX 0x7FFFFF
 
 #endif /* INC_CS4272_H_ */