HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, 0 ) This is part of code, which i used: HAL_UART_Receive_IT(&huart2, BufforMsg, 1)
Tried to use diffrent configuration of AT Commands to get autoconnection between Elm327 and HC - everytime "FAIL".I've tested HC-05 - configured, worked very well with BT terminals.I've tested ELM327 with commercial Apps, terminals etc.Everytime when i try to use "AT+LINK", the HC-05 responds "FAIL". I would like to connect STM32F4 with ELM327 via bluetooth using HC-05.
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