Add full SSD1327 display support (#1406)

esphome/components/ssd1327_i2c/display.py

@@ -0,0 +1,23 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import ssd1327_base, i2c
+from esphome.const import CONF_ID, CONF_LAMBDA, CONF_PAGES
+
+CODEOWNERS = ['@kbx81']
+
+AUTO_LOAD = ['ssd1327_base']
+DEPENDENCIES = ['i2c']
+
+ssd1327_i2c = cg.esphome_ns.namespace('ssd1327_i2c')
+I2CSSD1327 = ssd1327_i2c.class_('I2CSSD1327', ssd1327_base.SSD1327, i2c.I2CDevice)
+
+CONFIG_SCHEMA = cv.All(ssd1327_base.SSD1327_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(I2CSSD1327),
+}).extend(cv.COMPONENT_SCHEMA).extend(i2c.i2c_device_schema(0x3D)),
+                       cv.has_at_most_one_key(CONF_PAGES, CONF_LAMBDA))
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield ssd1327_base.setup_ssd1327(var, config)
+    yield i2c.register_i2c_device(var, config)

esphome/components/ssd1327_i2c/ssd1327_i2c.cpp

@@ -0,0 +1,44 @@
+#include "ssd1327_i2c.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace ssd1327_i2c {
+
+static const char *TAG = "ssd1327_i2c";
+
+void I2CSSD1327::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up I2C SSD1327...");
+  this->init_reset_();
+
+  this->parent_->raw_begin_transmission(this->address_);
+  if (!this->parent_->raw_end_transmission(this->address_)) {
+    this->error_code_ = COMMUNICATION_FAILED;
+    this->mark_failed();
+    return;
+  }
+
+  SSD1327::setup();
+}
+void I2CSSD1327::dump_config() {
+  LOG_DISPLAY("", "I2C SSD1327", this);
+  LOG_I2C_DEVICE(this);
+  ESP_LOGCONFIG(TAG, "  Model: %s", this->model_str_());
+  LOG_PIN("  Reset Pin: ", this->reset_pin_);
+  LOG_UPDATE_INTERVAL(this);
+
+  if (this->error_code_ == COMMUNICATION_FAILED) {
+    ESP_LOGE(TAG, "Communication with SSD1327 failed!");
+  }
+}
+void I2CSSD1327::command(uint8_t value) { this->write_byte(0x00, value); }
+void HOT I2CSSD1327::write_display_data() {
+  for (uint32_t i = 0; i < this->get_buffer_length_();) {
+    uint8_t data[16];
+    for (uint8_t &j : data)
+      j = this->buffer_[i++];
+    this->write_bytes(0x40, data, sizeof(data));
+  }
+}
+
+}  // namespace ssd1327_i2c
+}  // namespace esphome

esphome/components/ssd1327_i2c/ssd1327_i2c.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/ssd1327_base/ssd1327_base.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace ssd1327_i2c {
+
+class I2CSSD1327 : public ssd1327_base::SSD1327, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  void dump_config() override;
+
+ protected:
+  void command(uint8_t value) override;
+  void write_display_data() override;
+
+  enum ErrorCode { NONE = 0, COMMUNICATION_FAILED } error_code_{NONE};
+};
+
+}  // namespace ssd1327_i2c
+}  // namespace esphome