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clarify usart baudrates

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Philippe Teuwen
2019-06-12 14:59:00 -07:00
parent 2382ad551b
commit 04f8c27feb
1 changed files with 6 additions and 3 deletions
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9
common/usart.h
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@@ -6,10 +6,13 @@
//#define USART_BAUD_RATE 9600 //#define USART_BAUD_RATE 9600
#define USART_BAUD_RATE 115200 #define USART_BAUD_RATE 115200
// BT HC-06 physical layer runs at 128kbps
// so it's possible to gain a little bit by using 230400
// with some risk to overflow its internal buffers:
//#define USART_BAUD_RATE 230400 //#define USART_BAUD_RATE 230400
//#define USART_BAUD_RATE 460800
//#define USART_BAUD_RATE 921600 // Higher baudrates are pointless, only increasing overflow risk
//#define USART_BAUD_RATE 1382400
extern uint32_t usart_baudrate; extern uint32_t usart_baudrate;
#define USART_PARITY 'N' #define USART_PARITY 'N'