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Fix the TX FIFO write level calculation.

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This commit is contained in:
Jonathan Naylor
2017-04-26 08:18:00 +01:00
committed by GitHub
parent 0fb75f974e
commit 7e15d1ac70
1 changed files with 4 additions and 4 deletions
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SerialSTM.cpp
+4 -4
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@@ -218,7 +218,7 @@ uint8_t AvailUSART1()
int AvailForWriteUSART1() int AvailForWriteUSART1()
{ {
return TXSerialfifolevel1(); return TX_SERIAL_FIFO_SIZE - TXSerialfifolevel1();
} }
uint8_t ReadUSART1() uint8_t ReadUSART1()
@@ -411,7 +411,7 @@ uint8_t AvailUSART2()
int AvailForWriteUSART2() int AvailForWriteUSART2()
{ {
return TXSerialfifolevel2(); return TX_SERIAL_FIFO_SIZE - TXSerialfifolevel2();
} }
uint8_t ReadUSART2() uint8_t ReadUSART2()
@@ -604,7 +604,7 @@ uint8_t AvailUSART3()
int AvailForWriteUSART3() int AvailForWriteUSART3()
{ {
return TXSerialfifolevel3(); return TX_SERIAL_FIFO_SIZE - TXSerialfifolevel3();
} }
uint8_t ReadUSART3() uint8_t ReadUSART3()
@@ -801,7 +801,7 @@ uint8_t AvailUART5()
int AvailForWriteUART5() int AvailForWriteUART5()
{ {
return TXSerialfifolevel5(); return TX_SERIAL_FIFO_SIZE - TXSerialfifolevel5();
} }
uint8_t ReadUART5() uint8_t ReadUART5()