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add delay for visibility

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This commit is contained in:
Patrick Moessler 2024-01-20 02:32:29 +01:00
parent 358f54e776
commit 1ac9bb4ca9
1 changed files with 6 additions and 4 deletions
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10
components/spi_74hc595_display/spi_74hc595_display.cpp
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@ -127,18 +127,20 @@ void SPI_74HC595_DISPLAYComponent::dump_config() {
} }
void SPI_74HC595_DISPLAYComponent::display() { void SPI_74HC595_DISPLAYComponent::display() {
uint32_t delay = static_cast<uint64_t>(this->get_update_interval())*1000 / 9;
for (uint8_t i = 0; i < 8; i++) { for (uint8_t i = 0; i < 8; i++) {
this->enable(); this->enable();
for (uint8_t j = 0; j < this->num_chips_; j++) { for (uint8_t j = 0; j < this->num_chips_; j++) {
if (reverse_) { if (reverse_) {
this->send_byte_(1U << i, buffer_[(num_chips_ - j - 1) * 8 + i]); this->send_byte_(~(1U << i), buffer_[(num_chips_ - j - 1) * 8 + i]);
} else { } else {
this->send_byte_(1U << i, buffer_[j * 8 + i]); this->send_byte_(~(1U << i), buffer_[j * 8 + i]);
} }
} }
this->disable(); this->disable();
// todo: add delay here for duty cycle adjustment? delay_microseconds_safe(delay);
} }
delay_microseconds_safe(delay);
// zero out everything to have a somewhat uniform duty cycle for all digits // zero out everything to have a somewhat uniform duty cycle for all digits
this->enable(); this->enable();
for (uint8_t j = 0; j < this->num_chips_; j++) { for (uint8_t j = 0; j < this->num_chips_; j++) {
@ -148,7 +150,7 @@ void SPI_74HC595_DISPLAYComponent::display() {
this->send_byte_(0, 0); this->send_byte_(0, 0);
} }
} }
// todo: add delay here for duty cycle adjustment? delay_microseconds_safe(delay);
this->disable(); this->disable();
} }