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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-24 16:24:55 +0000 |
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| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-24 16:24:55 +0000 |
| commit | 447a615dc33f324d44c73b282174be44e876cf41 (patch) | |
| tree | 4a83cc7a9e18180900d58befae02d02932ca3a47 /src | |
| parent | 002fdcf016e89b4f77be3afe9884dfe886f3cdd1 (diff) | |
| download | openocd+libswd-447a615dc33f324d44c73b282174be44e876cf41.tar.gz openocd+libswd-447a615dc33f324d44c73b282174be44e876cf41.tar.bz2 openocd+libswd-447a615dc33f324d44c73b282174be44e876cf41.tar.xz openocd+libswd-447a615dc33f324d44c73b282174be44e876cf41.zip | |
Zach Welch <zw@superlucidity.net> add TAP_SCAN_BYTES macro (1 of 2)
git-svn-id: svn://svn.berlios.de/openocd/trunk@1524 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/jlink.c | 2 | ||||
| -rw-r--r-- | src/jtag/jtag.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/jtag/jlink.c b/src/jtag/jlink.c index 8626b18c..1269fa84 100644 --- a/src/jtag/jlink.c +++ b/src/jtag/jlink.c @@ -672,7 +672,7 @@ static int jlink_tap_execute(void) return ERROR_OK; // number of full bytes (plus one if some would be left over) - byte_length = tap_length / 8 + !!(tap_length % 8); + byte_length = TAP_SCAN_BYTES(tap_length); usb_out_buffer[0] = EMU_CMD_HW_JTAG3; usb_out_buffer[1] = 0; diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h index 2a7d8561..a14edb48 100644 --- a/src/jtag/jtag.h +++ b/src/jtag/jtag.h @@ -217,6 +217,9 @@ typedef void* error_handler_t; /* Later on we can delete error_handler_t, but k struct scan_field_s; typedef int (*in_handler_t)(u8* in_value, void* priv, struct scan_field_s* field); +/// @brief calculates number of bytes required to hold @a n TAP scan bits +#define TAP_SCAN_BYTES(n) (((n) / 8) + !!((n) % 8)) + typedef struct scan_field_s { jtag_tap_t* tap; /* tap pointer this instruction refers to */ |