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Fix offset for cosine wave function generator

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This commit is contained in:
Florian Loitsch 2022-07-25 20:07:21 +02:00 committed by laokaiyao
parent 7b1da8ab0a
commit 3793e90790
1 changed files with 2 additions and 2 deletions
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4
components/hal/esp32/include/hal/dac_ll.h
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@ -166,12 +166,12 @@ static inline void dac_ll_cw_set_dc_offset(dac_channel_t channel, int8_t offset)
if (SENS.sar_dac_ctrl2.dac_inv1 == DAC_CW_PHASE_180) {
offset = 0 - offset;
}
HAL_FORCE_MODIFY_U32_REG_FIELD(SENS.sar_dac_ctrl2, dac_dc1, offset ? offset : (-128 - offset));
HAL_FORCE_MODIFY_U32_REG_FIELD(SENS.sar_dac_ctrl2, dac_dc1, -128 - offset);
} else if (channel == DAC_CHANNEL_2) {
if (SENS.sar_dac_ctrl2.dac_inv2 == DAC_CW_PHASE_180) {
offset = 0 - offset;
}
HAL_FORCE_MODIFY_U32_REG_FIELD(SENS.sar_dac_ctrl2, dac_dc2, offset ? offset : (-128 - offset));
HAL_FORCE_MODIFY_U32_REG_FIELD(SENS.sar_dac_ctrl2, dac_dc2, -128 - offset);
}
}