diff options
Diffstat (limited to 'src/drivers/l3gd20')
| -rw-r--r-- | src/drivers/l3gd20/l3gd20.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/drivers/l3gd20/l3gd20.cpp b/src/drivers/l3gd20/l3gd20.cpp index 17b53bfa9..176ef648b 100644 --- a/src/drivers/l3gd20/l3gd20.cpp +++ b/src/drivers/l3gd20/l3gd20.cpp @@ -715,8 +715,16 @@ L3GD20::stop() void L3GD20::disable_i2c(void) { - uint8_t a = read_reg(0x05); - write_reg(0x05, (0x20 | a)); + uint8_t retries = 10; + while (retries--) { + // add retries + uint8_t a = read_reg(0x05); + write_reg(0x05, (0x20 | a)); + if (read_reg(0x05) == (a | 0x20)) { + return; + } + } + debug("FAILED TO DISABLE I2C"); } void |