Merge pull request #6 from esp-cpp/feature/peripheral-api-refactor

feat(periphreals): update espp submodule

Author: finger563

CMakeLists.txt

@@ -14,7 +14,7 @@ add_compile_definitions(BOARD_HAS_PSRAM)
 
 set(
   COMPONENTS
-  "main esptool_py esp_psram esp_littlefs task format monitor wifi bm8563 battery esp32-camera socket math led rtsp mdns"
+  "main esptool_py esp_psram esp_littlefs task format monitor wifi bm8563 battery esp32-camera socket math led rtsp mdns i2c"
   CACHE STRING
   "List of components to include"
   )

components/bm8563/CMakeLists.txt

@@ -2,16 +2,16 @@
 
 #include <chrono>
 
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
 
-#include "driver/i2c.h"
-#include "esp_heap_caps.h"
-#include "mdns.h"
-#include "nvs_flash.h"
+#include <esp_heap_caps.h>
+#include <mdns.h>
+#include <nvs_flash.h>
 
 #include "format.hpp"
 #include "gaussian.hpp"
+#include "i2c.hpp"
 #include "led.hpp"
 #include "oneshot_adc.hpp"
 #include "task.hpp"
@@ -154,44 +154,19 @@ extern "C" void app_main(void) {
 
   // initialize the i2c bus (for RTC)
   logger.info("Initializing I2C");
-  i2c_config_t i2c_cfg;
-  memset(&i2c_cfg, 0, sizeof(i2c_cfg));
-  i2c_cfg.sda_io_num = GPIO_NUM_12;
-  i2c_cfg.scl_io_num = GPIO_NUM_14;
-  i2c_cfg.mode = I2C_MODE_MASTER;
-  i2c_cfg.sda_pullup_en = GPIO_PULLUP_ENABLE;
-  i2c_cfg.scl_pullup_en = GPIO_PULLUP_ENABLE;
-  i2c_cfg.master.clk_speed = (400*1000);
-  err = i2c_param_config(I2C_NUM_0, &i2c_cfg);
-  if (err != ESP_OK)
-    logger.error("config i2c failed {} '{}'", err, esp_err_to_name(err));
-  err = i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER,  0, 0, 0);
-  if (err != ESP_OK)
-    logger.error("install i2c driver failed {} '{}'", err, esp_err_to_name(err));
-  static const int I2C_TIMEOUT_MS = 10;
-  auto bm8563_write = [](uint8_t *write_data, size_t write_len) {
-    i2c_master_write_to_device(I2C_NUM_0,
-                               Bm8563::ADDRESS,
-                               write_data,
-                               write_len,
-                               I2C_TIMEOUT_MS / portTICK_PERIOD_MS);
-  };
-  auto bm8563_read = [](uint8_t reg_addr, uint8_t *read_data, size_t read_len) {
-    i2c_master_write_read_device(I2C_NUM_0,
-                                 Bm8563::ADDRESS,
-                                 &reg_addr,
-                                 1, // size of addr
-                                 read_data,
-                                 read_len,
-                                 I2C_TIMEOUT_MS / portTICK_PERIOD_MS);
-
-  };
+    espp::I2c i2c({
+        .port = I2C_NUM_0,
+        .sda_io_num = GPIO_NUM_12,
+        .scl_io_num = GPIO_NUM_14,
+        .sda_pullup_en = GPIO_PULLUP_ENABLE,
+        .scl_pullup_en = GPIO_PULLUP_ENABLE,
+    });
 
   // initialize RTC
   logger.info("Initializing RTC");
-  Bm8563 bm8563(Bm8563::Config{
-      .write = bm8563_write,
-      .read = bm8563_read,
+  espp::Bm8563 bm8563({
+      .write = std::bind(&espp::I2c::write, &i2c, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3),
+      .read = std::bind(&espp::I2c::read_at_register, &i2c, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4),
       .log_level = espp::Logger::Verbosity::WARN
     });