diff options
-rw-r--r-- | main.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -102,10 +102,10 @@ class DAC { uint8_t get_volume(uint8_t c) { uint8_t buf; i2c.read_reg(0x4a, 0x1a + c, 1, &buf); - return buf & 0x7f; + return ((buf & 0x7f) - 0x19) & 0x7f; } void set_volume(uint8_t c, uint8_t v) { - i2c.write_reg(0x4a, 0x1a + c, v & 0x7f); + i2c.write_reg(0x4a, 0x1a + c, (v + 0x19) & 0x7f); } }; |