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adc_cali: supported channel compensation of adc calibration on esp32c6

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laokaiyao
2023-05-05 19:56:44 +08:00
parent 3550a2d185
commit ffb40a89d9
32 changed files with 366 additions and 57 deletions
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3
components/esp_adc/esp32c6/curve_fitting_coefficients.c
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@@ -14,10 +14,9 @@
* For each item, first element is the Coefficient, second element is the Multiple. (Coefficient / Multiple) is the real coefficient.
*
* @note {0,0} stands for unused item
* @note In case of the overflow, these coeffcients are recorded as Absolute Value
* @note In case of the overflow, these coefficients are recorded as Absolute Value
* @note For atten0 ~ 2, error = (K0 * X^0) + (K1 * X^1) + (K2 * X^2); For atten3, error = (K0 * X^0) + (K1 * X^1) + (K2 * X^2) + (K3 * X^3) + (K4 * X^4);
* @note Above formula is rewritten from the original documentation, please note that the coefficients are re-ordered.
* @note ADC1 and ADC2 use same coeffients
*/
const uint64_t adc1_error_coef_atten[4][5][2] = {
{{487166399931449, 1e16}, {6436483033201, 1e16}, {30410131806, 1e16}, {0, 0}, {0, 0}}, //atten0