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ADC cleanup

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This commit is contained in:
Ben V. Brown
2024-06-02 16:04:55 +10:00
parent 6f04ef4d5b
commit c3937c3b10
1 changed files with 31 additions and 27 deletions
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58
source/Core/BSP/Pinecilv2/bl_mcu_sdk/drivers/bl702_driver/std_drv/src/bl702_adc.c
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@@ -527,44 +527,48 @@ void ADC_Parse_Result(uint32_t *orgVal, uint32_t len, ADC_Result_Type *result) {
for (i = 0; i < len; i++) {
result[i].posChan = orgVal[i] >> 21;
result[i].negChan = -1;
uint32_t sample;
if (dataType == ADC_DATA_WIDTH_12) {
result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 4) / coe);
sample = ((orgVal[i] & 0xffff) >> 4);
} else if ((dataType == ADC_DATA_WIDTH_14_WITH_16_AVERAGE) || (dataType == ADC_DATA_WIDTH_14_WITH_64_AVERAGE)) {
result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 2) / coe);
sample = ((orgVal[i] & 0xffff) >> 2);
} else if ((dataType == ADC_DATA_WIDTH_16_WITH_128_AVERAGE) || (dataType == ADC_DATA_WIDTH_16_WITH_256_AVERAGE)) {
result[i].value = (unsigned int)((orgVal[i] & 0xffff) / coe);
}
// Saturate at 16 bits
if (result[i].value > 0xFFFF) {
result[i].value = 0xFFFF;
}
}
} else {
for (i = 0; i < len; i++) {
neg = 0;
result[i].posChan = orgVal[i] >> 21;
result[i].negChan = (orgVal[i] >> 16) & 0x1F;
if (orgVal[i] & 0x8000) {
orgVal[i] = ~orgVal[i];
orgVal[i] += 1;
neg = 1;
sample = (orgVal[i] & 0xffff);
}
if (dataType == ADC_DATA_WIDTH_12) {
result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 4) / coe);
} else if ((dataType == ADC_DATA_WIDTH_14_WITH_16_AVERAGE) || (dataType == ADC_DATA_WIDTH_14_WITH_64_AVERAGE)) {
result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 2) / coe);
} else if ((dataType == ADC_DATA_WIDTH_16_WITH_128_AVERAGE) || (dataType == ADC_DATA_WIDTH_16_WITH_256_AVERAGE)) {
result[i].value = (unsigned int)((orgVal[i] & 0xffff) / coe);
}
result[i].value = (unsigned int)(sample / coe);
// Saturate at 16 bits
if (result[i].value > 0xFFFF) {
result[i].value = 0xFFFF;
}
}
}
// else {
// for (i = 0; i < len; i++) {
// neg = 0;
// result[i].posChan = orgVal[i] >> 21;
// result[i].negChan = (orgVal[i] >> 16) & 0x1F;
// if (orgVal[i] & 0x8000) {
// orgVal[i] = ~orgVal[i];
// orgVal[i] += 1;
// neg = 1;
// }
// if (dataType == ADC_DATA_WIDTH_12) {
// result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 4) / coe);
// } else if ((dataType == ADC_DATA_WIDTH_14_WITH_16_AVERAGE) || (dataType == ADC_DATA_WIDTH_14_WITH_64_AVERAGE)) {
// result[i].value = (unsigned int)(((orgVal[i] & 0xffff) >> 2) / coe);
// } else if ((dataType == ADC_DATA_WIDTH_16_WITH_128_AVERAGE) || (dataType == ADC_DATA_WIDTH_16_WITH_256_AVERAGE)) {
// result[i].value = (unsigned int)((orgVal[i] & 0xffff) / coe);
// }
// // Saturate at 16 bits
// if (result[i].value > 0xFFFF) {
// result[i].value = 0xFFFF;
// }
// }
// }
}
/****************************************************************************/