expander work

2026-03-30 20:57:29 -05:00
parent af60710405
commit 8c0b6823fd
9 changed files with 522 additions and 8 deletions
@@ -1,5 +1,23 @@
-#include "stdio.h"
+#include "blk_box_drivers/i2c.h"

-void i2c_test() {
-    printf("initializing i2c or something\n");
+#include "pins.h"
+
+i2c_master_bus_handle_t i2c_main_bus_handle;
+
+void init_main_i2c() {
+    i2c_master_bus_config_t bus_config = {
+        .i2c_port = MAIN_I2C_NUM,
+        .sda_io_num = PIN_SDA,
+        .scl_io_num = PIN_SCL,
+        .clk_source = I2C_CLK_SRC_DEFAULT,
+        .glitch_ignore_cnt = 7,
+        .intr_priority = 0,
+        .trans_queue_depth = 0,
+        .flags = {
+            .enable_internal_pullup = false,
+            .allow_pd = false,
+        }
+    };
+
+    ESP_ERROR_CHECK(i2c_new_master_bus(&bus_config, &i2c_main_bus_handle));
 }