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fpi-ssm: Support named SSMs and use a fallback macro

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Add fpi_ssm_new_full() that allows to pass a name to the state-machine
constructor, not to change all the drivers, provide a fpi_ssm_new() macro
that stringifies the nr_parameters value (usually an enum value) as the name
so that we can use it for better debugging.
This commit is contained in:
Marco Trevisan (Treviño)
2019-12-04 20:03:23 +01:00
parent fe967d0ac2
commit 65828e0e56
3 changed files with 38 additions and 15 deletions
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9
libfprint/fpi-ssm.h
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@@ -60,9 +60,12 @@ typedef void (*FpiSsmHandlerCallback)(FpiSsm *ssm,
FpDevice *dev);
/* for library and drivers */
FpiSsm *fpi_ssm_new (FpDevice *dev,
FpiSsmHandlerCallback handler,
int nr_states);
#define fpi_ssm_new(dev, handler, nr_states) \
fpi_ssm_new_full (dev, handler, nr_states, #nr_states)
FpiSsm *fpi_ssm_new_full (FpDevice *dev,
FpiSsmHandlerCallback handler,
int nr_states,
const char *machine_name);
void fpi_ssm_free (FpiSsm *machine);
void fpi_ssm_start (FpiSsm *ssm,
FpiSsmCompletedCallback callback);