Mercurial > ecos
changeset 2954:1edd8eb593c9
* src/adc.c:
Add new key to ADC driver to flush data buffer:
CYG_IO_SET_CONFIG_ADC_DATA_FLUSH
| author | sergeig |
|---|---|
| date | Sat, 29 May 2010 14:33:15 +0000 |
| parents | 2651da7b1e83 |
| children | f3e242061dd3 |
| files | packages/io/adc/current/ChangeLog packages/io/adc/current/src/adc.c |
| diffstat | 2 files changed, 12 insertions(+), 0 deletions(-) [+] |
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--- a/packages/io/adc/current/ChangeLog +++ b/packages/io/adc/current/ChangeLog @@ -1,3 +1,8 @@ +20010-05-25 ccoutand <ccoutand@stmi.com> + * src/adc.c: + Add new key to ADC driver to flush data buffer: + CYG_IO_SET_CONFIG_ADC_DATA_FLUSH + 2009-03-02 Simon Kallweit <simon.kallweit@intefo.ch> * cdl/io_adc.cdl:
--- a/packages/io/adc/current/src/adc.c +++ b/packages/io/adc/current/src/adc.c @@ -298,6 +298,13 @@ static Cyg_ErrNo adc_set_config(cyg_io_h chan->device->funs->disable( chan ); break; + case CYG_IO_SET_CONFIG_ADC_DATA_FLUSH: + cyg_drv_isr_lock(); + chan->put = 0; + chan->get = 0; + cyg_drv_isr_unlock(); + break; + case CYG_IO_SET_CONFIG_READ_BLOCKING: if (*len < sizeof(cyg_uint32)) return -EINVAL;