BSP optional I2C pull up

espressif · Jan 18, 2025 · 7c69ef1 · 7c69ef1
1 parent a9620d5
commit 7c69ef1
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/bsp/esp_bsp_generic/Kconfig b/bsp/esp_bsp_generic/Kconfig
@@ -20,8 +20,14 @@ menu "Board Support Package (generic)"
                 range -1 ENV_GPIO_OUT_RANGE_MAX
                 help
                     The GPIO pin for I2C SDA.
+            config BSP_I2C_PULLUP
+                bool "I2C GPIO PULL UP"
+                default n
+                help
+                    Enable I2C bus pull up.            
         endmenu
-        config BSP_I2C_NUM
+
+    config BSP_I2C_NUM
             int "I2C peripheral index"
             default 1
             range 0 1

diff --git a/bsp/esp_bsp_generic/src/esp_bsp_generic.c b/bsp/esp_bsp_generic/src/esp_bsp_generic.c
@@ -324,6 +324,9 @@ esp_err_t bsp_i2c_init(void)
         .sda_io_num = BSP_I2C_SDA,
         .scl_io_num = BSP_I2C_SCL,
         .clk_source = I2C_CLK_SRC_DEFAULT,
+#ifdef CONFIG_BSP_I2C_GPIO_PULLUP
+        .flags.enable_internal_pullup = 1,
+#endif
     };
     BSP_ERROR_CHECK_RETURN_ERR(i2c_new_master_bus(&i2c_config, &i2c_handle));