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utilities: Update time/r methods for LINUX

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Default to MONOTONIC clock for timer methods to avoid falling victim to
clock corrections.  Changed signatures from accepting pointers since
this is not needed an complicates calls and Java/JS/Python bindings.

    * Switched from nanosleep to clock_nanosleep to allow developers to
      provide a clock for LINUX
    * Default upm_clock_init to CLOCK_MONOTONIC
    * Updated logic to calculating delay and elapsed to be more readable
    * Added ns flavors for completeness
    * Refactored all upm_* delay/timer methods
    * Added #else for preprocessor cases w/o an #else
    * Added test for AQI
    * Added test fixture with logic to identify a minimum delay time
      which is used as a metric for testing all delay methods
    * Much more lenient unit testing of delays to minimize false CI
      failures

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
2018-05-01 10:56:27 -07:00
parent be46240b8c
commit db3c73cbd1
10 changed files with 290 additions and 165 deletions
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6
src/mcp2515/mcp2515.c
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@ -456,8 +456,7 @@ upm_result_t mcp2515_set_opmode(const mcp2515_context dev,
<< _MCP2515_CANSTAT_OPMODE_SHIFT);
bool done = false;
upm_clock_t clock;
upm_clock_init(&clock);
upm_clock_t clock = upm_clock_init();
do
{
@ -623,8 +622,7 @@ upm_result_t mcp2515_transmit_buffer(const mcp2515_context dev,
return UPM_SUCCESS;
// now spin with timeout waiting for it to be transmitted
upm_clock_t clock;
upm_clock_init(&clock);
upm_clock_t clock = upm_clock_init();
bool done = false;
do