core_adc.h 1.9 KB

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  1. /*
  2. * Copyright (c) 2022 OpenLuat & AirM2M
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a copy of
  5. * this software and associated documentation files (the "Software"), to deal in
  6. * the Software without restriction, including without limitation the rights to
  7. * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  8. * the Software, and to permit persons to whom the Software is furnished to do so,
  9. * subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in all
  12. * copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  16. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  17. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  18. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20. */
  21. #ifndef __CORE_ADC_H__
  22. #define __CORE_ADC_H__
  23. #define ADC_VALUE_ERROR (0xffffffff)
  24. void ADC_GlobalInit(void);
  25. /**
  26. * @brief 通道开关,在globalinit时只打开了0,0也无法被关闭,目前已经废弃,ADC_GetChannelValue的时候临时打开
  27. *
  28. * @param Channel 通道号
  29. * @param OnOff 开关
  30. */
  31. void ADC_ChannelOnOff(uint8_t Channel, uint8_t OnOff);
  32. /**
  33. * @brief 获取通道的原始ADC值,12bit,1.8V参考电压,通道0内部9:5分压,其他关闭
  34. *
  35. * @param Channel 通道号
  36. * @return != ADC_VALUE_ERROR 为有效值
  37. */
  38. uint32_t ADC_GetChannelValue(uint8_t Channel, uint32_t *Vol);
  39. /**
  40. * @brief 开关内部分压,1~5都是1:1 6就不确定了,手册和demo不一致
  41. *
  42. * @param OnOff 开关
  43. */
  44. void ADC_IntelResistance(uint8_t OnOff);
  45. #endif