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Add support for building with IAR #276

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cf23c92
Remove implicit conversions between function and data pointers
Aug 31, 2022
17e70b9
M_PI is a GNU extension to math.h, so define it locally if necessary
Aug 31, 2022
9f70f6f
Adapt to lack of typeof in hw_set_alias and hw_clear_alias
Sep 1, 2022
a3dbe56
Remove unreachable code
Apr 7, 2022
22bf069
Avoid branch-past-initialisation warning
Jul 15, 2022
14f786e
Fix undefined order of volatile accesses
Jul 15, 2022
6c612fd
Make conversion to uint32_t of negative constant explicit
Jul 15, 2022
53c3a47
Avoid using non-standard escape sequence in string literals
Jul 15, 2022
8a6deba
Do explicit conversion from floating point to integer
Aug 31, 2022
6a0f652
Wrap GCC pragmas in #ifdef __GNUC__
Aug 31, 2022
fc121aa
Explicitly convert between enum and integer
Aug 31, 2022
443447f
Remove unused static functions
Sep 1, 2022
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Wrap GCC pragmas in #ifdef __GNUC__ 
IAR generates warning Pe161 'unrecognized #pragma'.
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Ben Avison committed Sep 13, 2022
commit 6a0f6528fe5f9024260fbf7be1ba04d0231a609b
8 changes: 8 additions & 0 deletions pio/i2c/pio_i2c.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,10 +33,14 @@ static inline void pio_i2c_put16(PIO pio, uint sm, uint16_t data) {
while (pio_sm_is_tx_fifo_full(pio, sm))
;
// some versions of GCC dislike this
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
#endif
*(io_rw_16 *)&pio->txf[sm] = data;
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
}


Expand All @@ -48,10 +52,14 @@ void pio_i2c_put_or_err(PIO pio, uint sm, uint16_t data) {
if (pio_i2c_check_error(pio, sm))
return;
// some versions of GCC dislike this
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
#endif
*(io_rw_16 *)&pio->txf[sm] = data;
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
}

uint8_t pio_i2c_get(PIO pio, uint sm) {
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