forked from Archive/PX4-Autopilot
platforms: decrease flash usage by type for bus id
My assumption is that the bus are numbered < 127. This saves about 100 bytes of flash.
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@ -1,6 +1,6 @@
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/****************************************************************************
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*
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* Copyright (c) 2020 PX4 Development Team. All rights reserved.
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* Copyright (c) 2020-2022 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -64,8 +64,8 @@ struct px4_spi_bus_devices_t {
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struct px4_spi_bus_t {
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px4_spi_bus_device_t devices[SPI_BUS_MAX_DEVICES];
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int bus{-1}; ///< physical bus number (1, ...) (-1 means this is unused)
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uint32_t power_enable_gpio{0}; ///< GPIO (if non-zero) to control the power of the attached devices on this bus (0 means power is off)
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int8_t bus{-1}; ///< physical bus number (1, ...) (-1 means this is unused)
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bool is_external; ///< static external configuration. Use px4_spi_bus_external() to check if a bus is really external
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bool requires_locking; ///< whether the bus should be locked during transfers (true if NuttX drivers access the bus)
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};
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