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Partially revert make SPI CS pin optional (#1187)

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This commit is contained in:
Otto Winter
2020-07-25 14:05:31 +02:00
committed by GitHub
parent 62468198d6
commit 275c12150e
7 changed files with 19 additions and 18 deletions
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esphome/components/spi/spi.h
+11 -9
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@@ -127,18 +127,20 @@ class SPIComponent : public Component {
template<SPIBitOrder BIT_ORDER, SPIClockPolarity CLOCK_POLARITY, SPIClockPhase CLOCK_PHASE, uint32_t DATA_RATE>
void enable(GPIOPin *cs) {
if (cs) {
if (cs != nullptr) {
SPIComponent::debug_enable(cs->get_pin());
}
if (this->hw_spi_ != nullptr) {
uint8_t data_mode = (uint8_t(CLOCK_POLARITY) << 1) | uint8_t(CLOCK_PHASE);
SPISettings settings(DATA_RATE, BIT_ORDER, data_mode);
this->hw_spi_->beginTransaction(settings);
} else {
this->clk_->digital_write(CLOCK_POLARITY);
this->wait_cycle_ = uint32_t(F_CPU) / DATA_RATE / 2ULL;
}
if (this->hw_spi_ != nullptr) {
uint8_t data_mode = (uint8_t(CLOCK_POLARITY) << 1) | uint8_t(CLOCK_PHASE);
SPISettings settings(DATA_RATE, BIT_ORDER, data_mode);
this->hw_spi_->beginTransaction(settings);
} else {
this->clk_->digital_write(CLOCK_POLARITY);
this->wait_cycle_ = uint32_t(F_CPU) / DATA_RATE / 2ULL;
}
if (cs != nullptr) {
this->active_cs_ = cs;
this->active_cs_->digital_write(false);
}