add comment for the delay in analogout_api.c

Archcady · Archcady · commit ea36c628acb4 · 2017-06-02T11:32:42.000+08:00
see analogout_init()
diff --git a/targets/TARGET_Realtek/TARGET_AMEBA/analogout_api.c b/targets/TARGET_Realtek/TARGET_AMEBA/analogout_api.c
@@ -82,7 +82,7 @@ void analogout_init(dac_t *obj, PinName pin)
     
     pHalDacInitData->DACEn  = DAC_ENABLE;
     HalDACEnableRtl8195a(pHalDacInitData);
-    osDelay(10);
+    osDelay(6); //hardware needs some time to get ready
 }
 
 /** \brief analogout_free:\n

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,7 @@ void analogout_init(dac_t *obj, PinName pin)`
`82`	`82`
`83`	`83`	`pHalDacInitData->DACEn = DAC_ENABLE;`
`84`	`84`	`HalDACEnableRtl8195a(pHalDacInitData);`
`85`		`- osDelay(10);`
	`85`	`+ osDelay(6); //hardware needs some time to get ready`
`86`	`86`	`}`
`87`	`87`
`88`	`88`	`/** \brief analogout_free:\n`