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SPI transfer fix. Use write when no miso pin is set (#1563)
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parent
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commit
a96b6e7002
1 changed files with 20 additions and 6 deletions
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@ -112,20 +112,34 @@ class SPIComponent : public Component {
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template<SPIBitOrder BIT_ORDER, SPIClockPolarity CLOCK_POLARITY, SPIClockPhase CLOCK_PHASE>
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uint8_t transfer_byte(uint8_t data) {
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if (this->hw_spi_ != nullptr) {
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return this->hw_spi_->transfer(data);
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if (this->miso_ != nullptr) {
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if (this->hw_spi_ != nullptr) {
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return this->hw_spi_->transfer(data);
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} else {
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return this->transfer_<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE, true, true>(data);
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}
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}
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return this->transfer_<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE, true, true>(data);
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this->write_byte<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE>(data);
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return 0;
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}
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template<SPIBitOrder BIT_ORDER, SPIClockPolarity CLOCK_POLARITY, SPIClockPhase CLOCK_PHASE>
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void transfer_array(uint8_t *data, size_t length) {
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if (this->hw_spi_ != nullptr) {
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this->hw_spi_->transfer(data, length);
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if (this->miso_ != nullptr) {
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this->hw_spi_->transfer(data, length);
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} else {
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this->hw_spi_->writeBytes(data, length);
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}
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return;
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}
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for (size_t i = 0; i < length; i++) {
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data[i] = this->transfer_byte<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE>(data[i]);
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if (this->miso_ != nullptr) {
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for (size_t i = 0; i < length; i++) {
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data[i] = this->transfer_byte<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE>(data[i]);
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}
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} else {
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this->write_array<BIT_ORDER, CLOCK_POLARITY, CLOCK_PHASE>(data, length);
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}
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}
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