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/** Operations with 1-bit sized bitfields
preBits: 0, 8, 16
pattern: 0, 1
*/
#pragma disable_warning 88
#include <testfwk.h>
#ifdef __sun__
#include <inttypes.h>
#else
#include <stdint.h>
#endif
#include <stdbool.h>
#define PRE_BITS ({preBits})
typedef struct
{
#if PRE_BITS > 0
unsigned int preBits : PRE_BITS;
#endif
unsigned int bit0 : 1;
unsigned int bit1 : 1;
unsigned int bit2 : 1;
unsigned int bit3 : 1;
unsigned int bit4 : 1;
unsigned int bit5 : 1;
unsigned int bit6 : 1;
unsigned int bit7 : 1;
unsigned int postBits : 8;
}struct_8bits;
#if PATTERN == 0
#define PRE_BIT_VALUE 0
#define POST_BIT_VALUE 0
#else
#define PRE_BIT_VALUE ((1UL << PRE_BITS) - 1)
#define POST_BIT_VALUE 0xFF
#endif
bool
bits_check_value_no_cast(const struct_8bits * var, const uint8_t value)
{
if((var->bit0 > 0) != ((value & 0x01) > 0)) return false;
if((var->bit1 > 0) != ((value & 0x02) > 0)) return false;
if((var->bit2 > 0) != ((value & 0x04) > 0)) return false;
if((var->bit3 > 0) != ((value & 0x08) > 0)) return false;
if((var->bit4 > 0) != ((value & 0x10) > 0)) return false;
if((var->bit5 > 0) != ((value & 0x20) > 0)) return false;
if((var->bit6 > 0) != ((value & 0x40) > 0)) return false;
if((var->bit7 > 0) != ((value & 0x80) > 0)) return false;
return true;
}
#define CAST_TO_UINT8(x) ((uint8_t)(x))
// Lack of memory.
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15)
bool
bits_check_value(const struct_8bits * const var, const uint8_t value)
{
#if PRE_BITS > 0
if(var->preBits != PRE_BIT_VALUE) return false;
#endif
if(var->postBits != POST_BIT_VALUE) return false;
if((var->bit0 > 0) != (CAST_TO_UINT8(value & 0x01) > 0)) return false;
if((var->bit1 > 0) != (CAST_TO_UINT8(value & 0x02) > 0)) return false;
if((var->bit2 > 0) != (CAST_TO_UINT8(value & 0x04) > 0)) return false;
if((var->bit3 > 0) != (CAST_TO_UINT8(value & 0x08) > 0)) return false;
if((var->bit4 > 0) != (CAST_TO_UINT8(value & 0x10) > 0)) return false;
if((var->bit5 > 0) != (CAST_TO_UINT8(value & 0x20) > 0)) return false;
if((var->bit6 > 0) != (CAST_TO_UINT8(value & 0x40) > 0)) return false;
if((var->bit7 > 0) != (CAST_TO_UINT8(value & 0x80) > 0)) return false;
return bits_check_value_no_cast(var, value);
}
void
bits_set_value(struct_8bits * const var, const uint8_t value)
{
#if PRE_BITS > 0
var->preBits = PRE_BIT_VALUE;
#endif
var->postBits = POST_BIT_VALUE;
var->bit0 = CAST_TO_UINT8(value & 0x01) > 0;
var->bit1 = CAST_TO_UINT8(value & 0x02) > 0;
var->bit2 = CAST_TO_UINT8(value & 0x04) > 0;
var->bit3 = CAST_TO_UINT8(value & 0x08) > 0;
var->bit4 = CAST_TO_UINT8(value & 0x10) > 0;
var->bit5 = CAST_TO_UINT8(value & 0x20) > 0;
var->bit6 = CAST_TO_UINT8(value & 0x40) > 0;
var->bit7 = CAST_TO_UINT8(value & 0x80) > 0;
}
#endif
#define BITS_SET_AND_CHECK(value) bits_set_value(&volatileBits, value); ASSERT(bits_check_value(&volatileBits, value))
static void
testBitfields(void)
{
// Lack of memory.
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15)
volatile struct_8bits volatileBits;
BITS_SET_AND_CHECK(0x00);
BITS_SET_AND_CHECK(0xFF);
BITS_SET_AND_CHECK(0x0F);
BITS_SET_AND_CHECK(0xF0);
BITS_SET_AND_CHECK(0x01);
BITS_SET_AND_CHECK(0x02);
BITS_SET_AND_CHECK(0x04);
BITS_SET_AND_CHECK(0x08);
BITS_SET_AND_CHECK(0x10);
BITS_SET_AND_CHECK(0x20);
BITS_SET_AND_CHECK(0x40);
BITS_SET_AND_CHECK(0x80);
#endif
}
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