Merge pull request #6 from adafruit/solarize

Add solarize effect

Author: jepler

sensors/ov5640.c

@@ -24,6 +24,8 @@
 static const char *TAG = "ov5640";
 #endif
 
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
 //#define REG_DEBUG_ON
 
 static int read_reg(uint8_t slv_addr, const uint16_t reg){
@@ -790,7 +792,7 @@ static int set_awb_gain_dsp(sensor_t *sensor, int enable)
 static int set_special_effect(sensor_t *sensor, int effect)
 {
     int ret=0;
-    if (effect < 0 || effect > 6) {
+    if (effect < 0 || effect >= ARRAY_SIZE(sensor_special_effects)) {
         return -1;
     }
 

sensors/private_include/ov5640_settings.h

@@ -248,14 +248,15 @@ static const DRAM_ATTR uint8_t sensor_saturation_levels[9][11] = {
     {0x1d, 0x60, 0x03, 0x11, 0xa8, 0xb9, 0xaf, 0x96, 0x19, 0x01, 0x98},//+4
 };
 
-static const DRAM_ATTR uint8_t sensor_special_effects[7][4] = {
+static const DRAM_ATTR uint8_t sensor_special_effects[][4] = {
     {0x06, 0x40, 0x2c, 0x08},//Normal
     {0x46, 0x40, 0x28, 0x08},//Negative
     {0x1e, 0x80, 0x80, 0x08},//Grayscale
     {0x1e, 0x80, 0xc0, 0x08},//Red Tint
     {0x1e, 0x60, 0x60, 0x08},//Green Tint
     {0x1e, 0xa0, 0x40, 0x08},//Blue Tint
     {0x1e, 0x40, 0xa0, 0x08},//Sepia
+    {0x06, 0x40, 0x2c, 0x09},//Solarize
 };
 
 static const DRAM_ATTR uint16_t sensor_regs_gamma0[][2] = {