vfx: code restruct

Author: redchenjs

main/inc/user/fifo.h

@@ -10,6 +10,8 @@
 
 #include <stdint.h>
 
+extern uint16_t vfx_ctr;
+
 extern void vfx_set_mode(uint8_t mode);
 extern uint8_t vfx_get_mode(void);
 

main/inc/user/vfx.h

@@ -0,0 +1,30 @@
+/*
+ * vfx_core.h
+ *
+ *  Created on: 2019-07-03 20:05
+ *      Author: Jack Chen <redchenjs@live.com>
+ */
+
+#ifndef INC_USER_VFX_CORE_H_
+#define INC_USER_VFX_CORE_H_
+
+#include <stdint.h>
+
+typedef struct fifo_element {
+    int16_t data;
+    struct fifo_element *next;
+} fifo_element_t;
+
+extern uint32_t vfx_read_color_from_table(uint16_t color_idx, uint16_t color_ctr);
+extern void vfx_write_pixel(uint8_t x, uint8_t y, uint8_t z, uint16_t color_idx, uint16_t color_ctr);
+extern void vfx_fill_cube(uint8_t x, uint8_t y, uint8_t z, uint8_t cx, uint8_t cy, uint8_t cz, uint16_t color_idx, uint16_t color_ctr);
+extern void vfx_write_cube_bitmap(const uint8_t *bitmap);
+extern void vfx_write_layer_bitmap(uint8_t layer, const uint8_t *bitmap);
+extern void vfx_write_layer_number(uint8_t num, uint8_t layer, uint16_t color_idx, uint16_t color_ctr);
+extern void vfx_clear_cube(void);
+
+extern void vfx_fifo_write(int16_t data);
+extern int16_t vfx_fifo_read(void);
+extern void vfx_fifo_init(void);
+
+#endif /* INC_USER_VFX_CORE_H_ */

main/inc/user/vfx_core.h

@@ -12,7 +12,7 @@
 
 #include "os/core.h"
 #include "chip/i2s.h"
-#include "user/fifo.h"
+#include "user/vfx_core.h"
 
 esp_err_t i2s_write_wrapper(i2s_port_t i2s_num, const void *src, size_t size, size_t *bytes_written, TickType_t ticks_to_wait)
 {
@@ -25,7 +25,7 @@ esp_err_t i2s_write_wrapper(i2s_port_t i2s_num, const void *src, size_t size, si
         while (size > 0) {
             int16_t data_l = data[idx+3] << 8 | data[idx+2];
             int16_t data_r = data[idx+1] << 8 | data[idx];
-            fifo_write((data_l + data_r) / 2);
+            vfx_fifo_write((data_l + data_r) / 2);
             idx  += 4;
             size -= 4;
         }