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| author | barthess <barthess@yandex.ru> | 2016-05-30 23:07:09 +0300 |
|---|---|---|
| committer | barthess <barthess@yandex.ru> | 2016-05-30 23:07:09 +0300 |
| commit | 0fb26389ea53d4e2a4b0587886e6970f8c5ad102 (patch) | |
| tree | ea0eb271ee122c4863d2195554cbd5ef795fbfc4 /testhal/STM32/STM32F1xx | |
| parent | bdb680652cc1f0ad223786b10196b6329127c804 (diff) | |
| download | ChibiOS-Contrib-0fb26389ea53d4e2a4b0587886e6970f8c5ad102.tar.gz ChibiOS-Contrib-0fb26389ea53d4e2a4b0587886e6970f8c5ad102.tar.bz2 ChibiOS-Contrib-0fb26389ea53d4e2a4b0587886e6970f8c5ad102.zip | |
1-wire. Data acqusition code in test application rewritten in more safe way
Diffstat (limited to 'testhal/STM32/STM32F1xx')
| -rw-r--r-- | testhal/STM32/STM32F1xx/onewire/onewire_test.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/testhal/STM32/STM32F1xx/onewire/onewire_test.c b/testhal/STM32/STM32F1xx/onewire/onewire_test.c index 719420a..be20dbc 100644 --- a/testhal/STM32/STM32F1xx/onewire/onewire_test.c +++ b/testhal/STM32/STM32F1xx/onewire/onewire_test.c @@ -95,6 +95,7 @@ static void strong_pullup_release(void); static uint8_t testbuf[12]; +/* stores 3 temperature values in millicelsius */ static int32_t temperature[3]; /* @@ -242,9 +243,8 @@ void onewireTest(void) { onewireRead(&OWD1, testbuf, 9); osalDbgCheck(testbuf[8] == onewireCRC(testbuf, 8)); - tmp = 0; - tmp |= (testbuf[1] << 8) | testbuf[0]; - temperature[i] = (tmp * 625) / 10; + memcpy(&tmp, &testbuf, 2); + temperature[i] = ((int32_t)tmp * 625) / 10; } } else { |