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Add option to override default USART baud rate in platform settings

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This commit is contained in:
Jakub Kramarz 2025-05-09 15:49:01 +02:00
parent b36b61feb0
commit 9744f8afbb
3 changed files with 10 additions and 1 deletions
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4
Makefile.platform.sample
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@ -27,6 +27,10 @@ PLATFORM=PM3RDV4
# Only available with PLATFORM=PM3GENERIC
#LED_ORDER=PM3EASY
# Uncomment a line below to change default USART baud rate
# defaults to 115200 used by HC-05 in Blueshark
#USART_BAUD_RATE=19200
# Uncomment the lines below in order to make a 256KB image
# and comment out the lines above

4
common_arm/Makefile.hal
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@ -252,6 +252,10 @@ endif
# WITH_FPC_USART_* needs WITH_FPC_USART :
ifneq (,$(findstring WITH_FPC_USART_,$(PLATFORM_DEFS)))
PLATFORM_DEFS += -DWITH_FPC_USART
ifeq ($(USART_BAUD_RATE),)
USART_BAUD_RATE=115200
endif
PLATFORM_DEFS += -DUSART_BAUD_RATE=$(USART_BAUD_RATE)
endif
PLATFORM_DEFS_INFO = $(strip $(filter-out STANDALONE%, $(subst -DWITH_,,$(PLATFORM_DEFS))))

3
include/usart_defs.h
View file

@ -16,8 +16,9 @@
#ifndef __USART_DEFS_H
#define __USART_DEFS_H
//#define USART_BAUD_RATE 9600
#ifndef USART_BAUD_RATE
#define USART_BAUD_RATE 115200
#endif
// 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: