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| author | Randall Spangler <rspangler@chromium.org> | 2012-07-03 14:45:59 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-07-07 17:14:18 -0700 |
| commit | 7f5f7be3e5df92ec2e9447b3d5d0b8ddeb96c9a0 (patch) | |
| tree | f58e23fa5d053e31163faf8279882f0d9891c1fe /util/comm-host.h | |
| parent | 0e42faf85b3a4adbc83cb087e0bdab7641df9f1b (diff) | |
| download | chrome-ec-7f5f7be3e5df92ec2e9447b3d5d0b8ddeb96c9a0.tar.gz | |
Add memory-mapped data support for I2C and SPI protocols
And fix returning memory-mapped string length on LPC as well.
BUG=chrome-os-partner:11090
TEST=manual
from EC, 'hostevent set 0x40000'
from host, 'ectool eventget' --> should print 0x40000
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Change-Id: I9edbd0a1468b5d4160ce67c471332226e51fa868
Reviewed-on: https://gerrit.chromium.org/gerrit/26719
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'util/comm-host.h')
| -rw-r--r-- | util/comm-host.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/util/comm-host.h b/util/comm-host.h index b3790b4717..7a3f856bf9 100644 --- a/util/comm-host.h +++ b/util/comm-host.h @@ -29,6 +29,11 @@ int ec_command(int command, const void *indata, int insize, uint8_t read_mapped_mem8(uint8_t offset); uint16_t read_mapped_mem16(uint8_t offset); uint32_t read_mapped_mem32(uint8_t offset); +/* + * Read a memory-mapped string at the specified offset and store into buf, + * which must be at least size EC_MEMMAP_TEXT_MAX. Returns the length of + * the copied string, not counting the terminating '\0', or <0 if error. + */ int read_mapped_string(uint8_t offset, char *buf); #endif /* COMM_HOST_H */ |