add UART init function

1 files changed, 19 insertions, 0 deletions

diff --git a/main.c b/main.c
index ce22aa1..cad8640 100755..100644
--- a/main.c
+++ b/main.c
@@ -72,6 +72,25 @@ volatile u8 bVCC3 = true;
 #define ON_STATE         20
 #define RST_WAIT         30
 
+
+// For UCOS16 = 1
+// BRCLK      Baud Rate UCBRx UCBRSx UCBRFx   Tx Error  Rx Error
+// 12,000,000 115200        6      0      8     -1.8 0  -2.2 0.4
+static void SerialInit(void)
+{
+  UCA0CTL1_bit.UCSWRST = 1;
+
+  UCA0CTL0 = 0;
+  UCA0CTL1 = 0xC1;  // UCSSEL=11b => SMCLK; (keep) UCSWRST = 1;
+  UCA0BR0 = 6;
+  UCA0BR1 = 0;
+  UCA0MCTL = 0x81;  // UCOS16 = 1; UCBRSx = 0; UCBRFx = 8;
+  UCA0STAT = 0;
+
+  UCA0CTL1_bit.UCSWRST = 0;
+}
+
+
 int main(void)
 {
   u16 state, resetState;