From fd1f475fbee53cd4becfd766676214e1ac72aa69 Mon Sep 17 00:00:00 2001
From: whowechina <whowechina@gmail.com>
Date: Fri, 14 Apr 2023 23:28:30 +0800
Subject: [PATCH] I2C to 333KHz for higher reliability.

---
 firmware/src/turntable.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/src/turntable.c b/firmware/src/turntable.c
index cdf3034..b52b657 100644
--- a/firmware/src/turntable.c
+++ b/firmware/src/turntable.c
@@ -27,7 +27,7 @@ void turntable_init()
     adc_gpio_init(TT_AS5600_ANALOG);
     adc_select_input(TT_AS5600_ANALOG - 26);
 #else
-    i2c_init(TT_AS5600_I2C, 800 * 1000);
+    i2c_init(TT_AS5600_I2C, 333 * 1000);
     gpio_set_function(TT_AS5600_SCL, GPIO_FUNC_I2C);
     gpio_set_function(TT_AS5600_SDA, GPIO_FUNC_I2C);
     gpio_pull_up(TT_AS5600_SCL);
@@ -35,6 +35,8 @@ void turntable_init()
 #endif
 }
 
+#ifdef TT_AS5600_ANALOG
+
 uint32_t max_adc = 3500;
 static inline void adjust_max(uint32_t value)
 {
@@ -76,6 +78,7 @@ static uint16_t read_average(uint16_t size)
 
     return (all / size) % max_adc;
 }
+#endif
 
 void turntable_update()
 {