73 lines
2.0 KiB
C
Executable File
73 lines
2.0 KiB
C
Executable File
/*****************************************************************************
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* | File : luckfox_i2c_test.c
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* | Author : luckfox team
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* | Function : i2c scanf test
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2023-08-01
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* | Info : Basic version
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*
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h> //exit()
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#include <signal.h> //signal()
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#include "luckfox_i2c.h"
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int fd = 0;
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void Delay_ms(uint32_t xms)
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{
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uint32_t i;
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for (i = 0; i < xms; i++)
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{
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usleep(1000);
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}
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}
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void Handler(int signo)
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{
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// System Exit
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printf("\r\nHandler:exit\r\n");
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luckfox_i2c_deinit(fd);
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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signal(SIGINT, Handler);
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fd = luckfox_i2c_init("/dev/i2c-3");
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printf("i2cdetect addr : ");
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for (int x = 0; x < 0x7f; x++)
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{
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if (luckfox_i2c_write(fd, x, 0, 0) == 0)
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{
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printf("0x%x,", x);
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}
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}
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printf("\r\n");
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return 0;
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}
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