libraries: wrong value for setFrequency() (#6409)

thangktran · earlephilhower · commit 6dd847401486 · 2019-08-17T12:27:45.000-07:00
Thanks to fix suggestion from @UlliBien. Fixes: #6380
diff --git a/libraries/SPI/SPI.cpp b/libraries/SPI/SPI.cpp
@@ -212,7 +212,7 @@ void SPIClass::setFrequency(uint32_t freq) {
         return;
     }
 
-    const spiClk_t minFreqReg = { 0x7FFFF000 };
+    const spiClk_t minFreqReg = { 0x7FFFF020 };
     uint32_t minFreq = ClkRegToFreq((spiClk_t*) &minFreqReg);
     if(freq < minFreq) {
         // use minimum possible clock

Original file line number	Diff line number	Diff line change
`@@ -212,7 +212,7 @@ void SPIClass::setFrequency(uint32_t freq) {`
`212`	`212`	`return;`
`213`	`213`	`}`
`214`	`214`
`215`		`- const spiClk_t minFreqReg = { 0x7FFFF000 };`
	`215`	`+ const spiClk_t minFreqReg = { 0x7FFFF020 };`
`216`	`216`	`uint32_t minFreq = ClkRegToFreq((spiClk_t*) &minFreqReg);`
`217`	`217`	`if(freq < minFreq) {`
`218`	`218`	`// use minimum possible clock`