Spi 사용에 대한 질문
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RE: Spi 사용에 대한 질문
by justinkim ·
안녕하세요
질문 1 답변) 더미 데이터를 전송하면됩니다 즉 아무 데이터나 보내면 됩니다. ^^
질문 2 답변) GPIO 핀을 CS핀으로 연결하여 Software로 컨트롤하시면 됩니다.
해당 핀을 GPIO로 셋팅(AF1으로 셋팅) 하신 다음
GPIO_SetBits(CS_PORT, CS_PIN);
GPIO_ResetBits(CS_PORT, CS_PIN);
이런식으로 CS 신호를 올렸다 내렸다. 가능합니다.
감사합니다.