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Optimisation of driver header files

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Martin Budden 2016-08-04 00:55:16 +01:00 • committed by borisbstyle
parent 4bb0816122
commit 07adf66bbb
100 changed files with 212 additions and 138 deletions
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24
src/main/drivers/io.h
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@ -6,16 +6,7 @@
#include <platform.h>
#include "resource.h"
// IO pin identification
// make sure that ioTag_t can't be assigned into IO_t without warning
typedef uint8_t ioTag_t; // packet tag to specify IO pin
typedef void* IO_t; // type specifying IO pin. Currently ioRec_t pointer, but this may change
// NONE initializer for ioTag_t variables
#define IOTAG_NONE ((ioTag_t)0)
// NONE initializer for IO_t variable
#define IO_NONE ((IO_t)0)
#include "io_types.h"
// preprocessor is used to convert pinid to requested C data value
// compile-time error is generated if requested pin is not available (not set in TARGET_IO_PORTx)
@ -24,19 +15,6 @@ typedef void* IO_t; // type specifying IO pin. Currently ioRec_t poin
// expand pinid to to ioTag_t
#define IO_TAG(pinid) DEFIO_TAG(pinid)
// both ioTag_t and IO_t are guarantied to be zero if pinid is NONE (no pin)
// this simplifies initialization (globals are zeroed on start) and allows
// omitting unused fields in structure initializers.
// it is also possible to use IO_t and ioTag_t as boolean value
// TODO - this may conflict with requirement to generate warning/error on IO_t - ioTag_t assignment
// IO_t being pointer is only possibility I know of ..
// pin config handling
// pin config is packed into ioConfig_t to decrease memory requirements
// IOCFG_x macros are defined for common combinations for all CPUs; this
// helps masking CPU differences
typedef uint8_t ioConfig_t; // packed IO configuration
#if defined(STM32F1)
// mode is using only bits 6-2