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Fixed crc function style
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parent
7d7060f83c
commit
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@ -14,19 +14,17 @@ static const char *TAG = "am2320";
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// ---=== Calc CRC16 ===---
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// ---=== Calc CRC16 ===---
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uint16_t crc_16(uint8_t *ptr, uint8_t length)
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uint16_t crc_16(uint8_t *ptr, uint8_t length)
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{
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{
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uint16_t crc = 0xFFFF;
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uint16_t crc = 0xFFFF;
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uint8_t i;
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uint8_t i;
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//------------------------------
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//------------------------------
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while(length--)
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while (length--)
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{
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{
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crc ^= *ptr++;
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crc ^= *ptr++;
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for (i = 0; i < 8; i++)
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for (i = 0; i < 8; i++)
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if ((crc & 0x01) != 0)
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if ((crc & 0x01) != 0) {
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{
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crc >>= 1;
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crc >>= 1;
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crc ^= 0xA001;
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crc ^= 0xA001;
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}
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} else
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else
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crc >>= 1;
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crc >>= 1;
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}
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}
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return crc;
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return crc;
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@ -74,7 +72,6 @@ void AM2320Component::dump_config() {
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float AM2320Component::get_setup_priority() const { return setup_priority::DATA; }
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float AM2320Component::get_setup_priority() const { return setup_priority::DATA; }
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bool AM2320Component::read_bytes_(uint8_t a_register, uint8_t *data, uint8_t len, uint32_t conversion) {
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bool AM2320Component::read_bytes_(uint8_t a_register, uint8_t *data, uint8_t len, uint32_t conversion) {
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if (!this->write_bytes(a_register, data, 2)) {
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if (!this->write_bytes(a_register, data, 2)) {
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ESP_LOGW(TAG, "Writing bytes for AM2320 failed!");
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ESP_LOGW(TAG, "Writing bytes for AM2320 failed!");
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return false;
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return false;
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@ -85,7 +82,6 @@ bool AM2320Component::read_bytes_(uint8_t a_register, uint8_t *data, uint8_t len
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return this->parent_->raw_receive(this->address_, data, len);
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return this->parent_->raw_receive(this->address_, data, len);
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}
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}
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bool AM2320Component::read_data_(uint8_t *data) {
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bool AM2320Component::read_data_(uint8_t *data) {
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// Wake up
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// Wake up
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this->write_bytes(0, data, 0);
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this->write_bytes(0, data, 0);
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