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AP_Baro: add option to set BARO_EXT_BUS default value 

This allows boards to define their own BARO_EXT_BUS default value.
This is mostly relevant for linux boards, as HAL_LINUX doesn't
probe all buses when BARO_EXT_BUS == -1.
This commit is contained in:
Willian Galvani 2021-08-16 21:18:48 -03:00
parent d5ec5f1dfc
commit 2feb740a03
1 changed files with 5 additions and 1 deletions
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6
libraries/AP_Baro/AP_Baro.cpp
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@ -66,6 +66,10 @@
#define HAL_BARO_PROBE_EXT_DEFAULT 0
#endif
#ifndef HAL_BARO_EXTERNAL_BUS_DEFAULT
#define HAL_BARO_EXTERNAL_BUS_DEFAULT -1
#endif
#ifdef HAL_BUILD_AP_PERIPH
#define HAL_BARO_ALLOW_INIT_NO_BARO
#endif
@ -121,7 +125,7 @@ const AP_Param::GroupInfo AP_Baro::var_info[] = {
// @Description: This selects the bus number for looking for an I2C barometer. When set to -1 it will probe all external i2c buses based on the GND_PROBE_EXT parameter.
// @Values: -1:Disabled,0:Bus0,1:Bus1
// @User: Advanced
AP_GROUPINFO("_EXT_BUS", 7, AP_Baro, _ext_bus, -1),
AP_GROUPINFO("_EXT_BUS", 7, AP_Baro, _ext_bus, HAL_BARO_EXTERNAL_BUS_DEFAULT),
// @Param: _SPEC_GRAV
// @DisplayName: Specific Gravity (For water depth measurement)