From d180494e3fafe75fd8eb217bf18c7df14969e86e Mon Sep 17 00:00:00 2001 From: Verkehrsrot Date: Mon, 4 Mar 2019 20:17:29 +0100 Subject: [PATCH 1/2] Update heltecv2.h --- src/hal/heltecv2.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/hal/heltecv2.h b/src/hal/heltecv2.h index ad34f68c..e33c39f8 100644 --- a/src/hal/heltecv2.h +++ b/src/hal/heltecv2.h @@ -7,8 +7,9 @@ // Hardware related definitions for Heltec V2 LoRa-32 Board -//#define HAS_BME 0x77 // BME680 sensor on I2C bus (SDI=21/SCL=22); comment out -//if not present +// BME680 sensor on I2C bus (SDI=21/SCL=22); comment out if not present +//#define HAS_BME GPIO_NUM_21, GPIO_NUM_22 // SDA, SCL +//#define BME_ADDR BME680_I2C_ADDR_PRIMARY // connect SDIO of BME680 to GND #define HAS_LORA 1 // comment out if device shall not send data via LoRa #define CFG_sx1276_radio 1 From efb906f541c4fad8c3517344c34f2ca464d16602 Mon Sep 17 00:00:00 2001 From: caskerra <47350844+caskerra@users.noreply.github.com> Date: Tue, 5 Mar 2019 18:49:09 +0100 Subject: [PATCH 2/2] Update heltecv2.h --- src/hal/heltecv2.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/src/hal/heltecv2.h b/src/hal/heltecv2.h index e33c39f8..8e6f4812 100644 --- a/src/hal/heltecv2.h +++ b/src/hal/heltecv2.h @@ -11,6 +11,13 @@ //#define HAS_BME GPIO_NUM_21, GPIO_NUM_22 // SDA, SCL //#define BME_ADDR BME680_I2C_ADDR_PRIMARY // connect SDIO of BME680 to GND +// Of cause, by default the board has no BME680 mounted +// a BME680 sensor board maybe connected to I2C (SDA = 4 , and SLC = 15) +// second it worked if SDIO left unconnected and 0x77 as address was used +//#define HAS_BME 4, 15 // SDA, SCL +//#define BME_ADDR BME680_I2C_ADDR_SECONDARY // leave SDIO of BME680 unconnected + + #define HAS_LORA 1 // comment out if device shall not send data via LoRa #define CFG_sx1276_radio 1 @@ -19,8 +26,8 @@ #define HAS_BUTTON KEY_BUILTIN // button "PROG" on board // Pins for I2C interface of OLED Display -#define MY_OLED_SDA (21) -#define MY_OLED_SCL (22) +#define MY_OLED_SDA (4) // original = 21 +#define MY_OLED_SCL (15) // original = 22 #define MY_OLED_RST (16) // Pins for LORA chip SPI interface come from board file, we need some