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AP_HAL: added FOREACH_I2C_MASK() macro

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This commit is contained in:
Andrew Tridgell 2018-09-06 13:48:33 +10:00
parent af6e2d2c8c
commit eec3a2ab31
1 changed files with 5 additions and 4 deletions
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9
libraries/AP_HAL/I2CDevice.h
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@ -109,8 +109,9 @@ public:
/*
convenient macros for iterating over I2C bus numbers
*/
#define FOREACH_I2C_EXTERNAL(i) for (uint32_t _bmask=hal.i2c_mgr->get_bus_mask_external(), i=0; i<32; i++) if ((1U<<i)&_bmask)
#define FOREACH_I2C_INTERNAL(i) for (uint32_t _bmask=hal.i2c_mgr->get_bus_mask_internal(), i=0; i<32; i++) if ((1U<<i)&_bmask)
#define FOREACH_I2C(i) for (uint32_t _bmask=hal.i2c_mgr->get_bus_mask(), i=0; i<32; i++) if ((1U<<i)&_bmask)
#define FOREACH_I2C_MASK(i,mask) for (uint32_t _bmask=mask, i=0; i<32; i++) if ((1U<<i)&_bmask)
#define FOREACH_I2C_EXTERNAL(i) FOREACH_I2C_MASK(i,hal.i2c_mgr->get_bus_mask_external())
#define FOREACH_I2C_INTERNAL(i) FOREACH_I2C_MASK(i,hal.i2c_mgr->get_bus_mask_internal())
#define FOREACH_I2C(i) FOREACH_I2C_MASK(i,hal.i2c_mgr->get_bus_mask())
}