Added verification for the power parameter in order to check that it is greater or equal to 0.

Daniel Jäckle · Daniel Jäckle · commit 94290fdbd251 · 2017-08-03T13:07:56.000+02:00
When using a firmware compiled for KR920 region for instance the power could be smaller than 0 which is not allowed for the NAMote72 platform as an external PA is used.
diff --git a/src/boards/NAMote72/sx1272-board.c b/src/boards/NAMote72/sx1272-board.c
@@ -135,7 +135,7 @@ void SX1272SetRfTxPower( int8_t power )
     else
     {
         paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | RF_PACONFIG_PASELECT_PABOOST;
-        paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | PaBTable[power];
+        paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | PaBTable[MAX( power, 0 )];
     }
     Radio.Write( REG_PACONFIG, paConfig );
     Radio.Write( REG_PADAC, paDac );

Original file line number	Diff line number	Diff line change
`@@ -135,7 +135,7 @@ void SX1272SetRfTxPower( int8_t power )`
`135`	`135`	`else`
`136`	`136`	`{`
`137`	`137`	`paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) \| RF_PACONFIG_PASELECT_PABOOST;`
`138`		`- paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) \| PaBTable[power];`
	`138`	`+ paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) \| PaBTable[MAX( power, 0 )];`
`139`	`139`	`}`
`140`	`140`	`Radio.Write( REG_PACONFIG, paConfig );`
`141`	`141`	`Radio.Write( REG_PADAC, paDac );`