57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "bflb_platform.h"
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#include "hal_i2c.h"
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#include "hal_uart.h"
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int main(void)
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{
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i2c_msg_t msg1;
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uint8_t buf[2] = { 0 };
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bflb_platform_init(0);
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i2c_register(I2C0_INDEX, "i2c");
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struct device *i2c0 = device_find("i2c");
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if (i2c0) {
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MSG("device find success\r\n");
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device_open(i2c0, 0);
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}
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msg1.buf = buf;
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msg1.flags = SUB_ADDR_1BYTE | I2C_RD;
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msg1.len = 2;
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msg1.slaveaddr = 0xEE >> 1;
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msg1.subaddr = 0xaa;
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if (i2c_transfer(i2c0, &msg1, 1) == 0) {
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MSG("\r\n read:%0x\r\n", msg1.buf[0] << 8 | msg1.buf[1]);
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BL_CASE_SUCCESS;
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} else
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BL_CASE_FAIL;
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while (1) {
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bflb_platform_delay_ms(100);
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}
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} |