debug template

components/spi_74hc595_display/display.py

@@ -11,15 +11,18 @@ SPI_74HC595_DISPLAYComponent = spi_74hc595_display_ns.class_(
 )
 SPI_74HC595_DISPLAYComponentRef = SPI_74HC595_DISPLAYComponent.operator("ref")
 
-CONF_REVERSE_ENABLE = "reverse_enable"
+CONF_REVERSE = "reverse"
+CONF_SEGMENT_FIRST = "segment_first"
+CONF_COMMON_CATHODE = "common_cathode"
 
 CONFIG_SCHEMA = (
     display.BASIC_DISPLAY_SCHEMA.extend(
         {
             cv.GenerateID(): cv.declare_id(SPI_74HC595_DISPLAYComponent),
             cv.Optional(CONF_NUM_CHIPS, default=1): cv.int_range(min=1, max=255),
-            # cv.Optional(CONF_INTENSITY, default=15): cv.int_range(min=0, max=15),
-            cv.Optional(CONF_REVERSE_ENABLE, default=False): cv.boolean,
+            cv.Optional(CONF_REVERSE, default=False): cv.boolean,
+            cv.Optional(CONF_SEGMENT_FIRST, default=False): cv.boolean,
+            cv.Optional(CONF_COMMON_CATHODE, default=False): cv.boolean,
         }
     )
     .extend(cv.polling_component_schema("1s"))
@@ -33,8 +36,9 @@ async def to_code(config):
     await display.register_display(var, config)
 
     cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))
-    # cg.add(var.set_intensity(config[CONF_INTENSITY]))
-    cg.add(var.set_reverse(config[CONF_REVERSE_ENABLE]))
+    cg.add(var.set_reverse(config[CONF_REVERSE]))
+    cg.add(var.set_segment_first(config[CONF_SEGMENT_FIRST]))
+    cg.add(var.set_common_cathode(config[CONF_COMMON_CATHODE]))
 
     if CONF_LAMBDA in config:
         lambda_ = await cg.process_lambda(

components/spi_74hc595_display/spi_74hc595_display.cpp

@@ -128,13 +128,15 @@ void SPI_74HC595_DISPLAYComponent::dump_config() {
 
 void SPI_74HC595_DISPLAYComponent::display() {
   uint32_t delay = static_cast<uint64_t>(this->get_update_interval())*1000 / 8;
+  uint8_t flip_digit=(this->common_cathode_)?0xFF:0x00;
+  uint8_t flip_segment = ~flip_digit;
   for (uint8_t i = 0; i < 8; i++) {
     this->enable();
     for (uint8_t j = 0; j < this->num_chips_; j++) {
       if (reverse_) {
-        this->send_byte_(~(1U << i), buffer_[(num_chips_ - j - 1) * 8 + i]);
+        this->send_byte_((1U << i)^flip_digit, buffer_[(num_chips_ - j - 1) * 8 + i]^flip_segment);
       } else {
-        this->send_byte_(~(1U << i), buffer_[j * 8 + i]);
+        this->send_byte_((1U << i)^flip_digit, (buffer_[j * 8 + i])^flip_segment);
       }
     }
     this->disable();
@@ -143,18 +145,19 @@ void SPI_74HC595_DISPLAYComponent::display() {
  // zero out everything to have a somewhat uniform duty cycle for all digits
   this->enable();
   for (uint8_t j = 0; j < this->num_chips_; j++) {
-    if (reverse_) {
-      this->send_byte_(0, 0);
-    } else {
-      this->send_byte_(0, 0);
-    }
+    this->send_byte_(0, 0);
   }
   this->disable();
 }
 
-void SPI_74HC595_DISPLAYComponent::send_byte_(uint8_t a_register, uint8_t data) {
-  this->write_byte(a_register);
-  this->write_byte(data);
+void SPI_74HC595_DISPLAYComponent::send_byte_(uint8_t a_digit, uint8_t data) {
+  if(this->segment_first_){
+    this->write_byte(data);
+    this->write_byte(a_digit);
+  } else {
+    this->write_byte(a_digit);
+    this->write_byte(data);
+  }
 }
 
 void SPI_74HC595_DISPLAYComponent::update() {

components/spi_74hc595_display/spi_74hc595_display.h

@@ -30,6 +30,8 @@ class SPI_74HC595_DISPLAYComponent : public PollingComponent,
 
   void set_num_chips(uint8_t num_chips);
   void set_reverse(bool reverse) { this->reverse_ = reverse; };
+  void set_segment_first(bool segment_first) { this->segment_first_ = segment_first; };
+  void set_common_cathode(bool common_cathode) { this->common_cathode_ = common_cathode; };
 
   /// Evaluate the printf-format and print the result at the given position.
   uint8_t printf(uint8_t pos, const char *format, ...) __attribute__((format(printf, 3, 4)));
@@ -54,6 +56,8 @@ class SPI_74HC595_DISPLAYComponent : public PollingComponent,
   uint8_t num_chips_{1};
   uint8_t *buffer_;
   bool reverse_{false};
+  bool segment_first_{false};
+  bool common_cathode_{false};
   optional<spi_74hc595_display_writer_t> writer_{};
 };
 

esp32-clock-template.yaml

@@ -68,9 +68,12 @@ sensor:
 display:
   - platform: spi_74hc595_display
     cs_pin: GPIO5
-    data_rate: 10MHz
-    num_chips: 3
-    update_interval: 16ms
+    data_rate: 1MHz #10MHz
+    num_chips: 1 #3
+    update_interval: 4s #16ms
+    common_cathode: false
+    segment_first: false
+    reverse: false
     lambda: |-
       static uint32_t clock_frames=0;
       static uint32_t old_clock=0;
@@ -82,20 +85,22 @@ display:
         clock_frames++;
       }
 
-      it.printf(0, ".*`,_+'-");
-      /*it.strftime(0, "%H%M%s", id(sntp_time).now());*/
-      /*it.printf(6, "%2d", clock_frames);*/
+      //it.printf(0, ".*`,_+'-");
+      it.printf(0, "88888888");
+      //it.strftime(0, "%H%M%s", id(sntp_time).now());
+      //it.printf(6, "%2d", clock_frames);
 
-      it.strftime(8, "%H%M%s", id(sntp_time).now());
-      it.printf(14, "%2d", clock_frames);
+      //it.strftime(8, "%H%M%s", id(sntp_time).now());
+      //it.printf(14, "%2d", clock_frames);
       /*it.strftime(8, "%H%M%s", id(sntp_time).now());*/
       /*it.printf(14, "%1d", 0)*/
 
-      it.printf(16, "%2d%2d%2d%2d",
+      /*it.printf(16, "%02d%02d%02d%02d",
         uint32_t(id(runtime).state/3600) - uint32_t(id(runtime).state/86400)*1440,
         uint32_t(id(runtime).state/60) - uint32_t(id(runtime).state/3600)*60,
         uint32_t(id(runtime).state) - uint32_t(id(runtime).state/60)*60,
         uint32_t((id(runtime).state - uint32_t(id(runtime).state))*25) );
+        */
 
 # the first display should display a test string to figure out the digit and segment map:
 # digit 0: >.< character (dot segment on)