/***************************************************************************** * | File : luckfox_adc_test.c * | Author : luckfox team * | Function : 2ch adc read test * | Info : *---------------- * | This version: V1.0 * | Date : 2023-08-01 * | Info : Basic version * # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documnetation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # ******************************************************************************/ #include #include #include //exit() #include "luckfox_adc.h" void Delay_ms(uint32_t xms) { uint32_t i; for (i = 0; i < xms; i++) { usleep(1000); } } int main(int argc, char *argv[]) { int adc_read_value[2]; float adc_voltage[2]; while (1) { printf("***********ADC READ TEST***********\r\n"); for (int cnt = 0; cnt < 2; cnt++) { adc_read_value[cnt] = luckfox_adc_get_value(luckfox_adc_get_devnum("ff3c0000.saradc"), cnt); adc_voltage[cnt] = adc_read_value[cnt] * 1.8 / 1024; printf("ADC %d:raw data = %d,voltage = %.2f \r\n", cnt, adc_read_value[cnt], adc_voltage[cnt]); } Delay_ms(1000); } return 0; }