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fschrempffschrempf
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Disable NRF52 undervoltage bootlock feature
The NRF52 undervoltage bootlock feature implemented behind NRF52_POWER_MANAGEMENT was introduced in v1.12. It configures a fixed voltage level of 3.3V and prevents the software from booting if the battery voltage is below that level. This is problematic for various reasons. The most important one being that it breaks devices that use cell chemistries other than Li-Ion, such as LFP, LTO or SIB which have much lower minimum voltages. As a quick fix to prevent devices from failing, disable the feature until it has been decided how to handle this in the future and a proper implementation has been provided. Signed-off-by: Frieder Schrempf <frieder@fris.de>
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‎variants/gat562_30s_mesh_kit/platformio.ini‎

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@@ -7,7 +7,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/gat562_30s_mesh_kit
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-D RAK_4631
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-D RAK_BOARD
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-D NRF52_POWER_MANAGEMENT
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-D PIN_BOARD_SCL=14
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-D PIN_BOARD_SDA=13
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-D PIN_OLED_RESET=-1

‎variants/gat562_mesh_evb_pro/platformio.ini‎

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@@ -5,7 +5,6 @@ board_check = true
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build_flags = ${nrf52_base.build_flags}
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${sensor_base.build_flags}
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-I variants/gat562_mesh_evb_pro
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-D NRF52_POWER_MANAGEMENT
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-D PIN_BOARD_SCL=14
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-D PIN_BOARD_SDA=13
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-D RADIO_CLASS=CustomSX1262

‎variants/gat562_mesh_tracker_pro/platformio.ini‎

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@@ -5,7 +5,6 @@ board_check = true
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build_flags = ${nrf52_base.build_flags}
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${sensor_base.build_flags}
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-I variants/gat562_mesh_tracker_pro
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-D NRF52_POWER_MANAGEMENT
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-D PIN_BOARD_SCL=14
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-D PIN_BOARD_SDA=13
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-D PIN_OLED_RESET=-1

‎variants/gat562_mesh_watch13/platformio.ini‎

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@@ -8,7 +8,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/gat562_mesh_watch13
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-D RAK_4631
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-D RAK_BOARD
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-D NRF52_POWER_MANAGEMENT
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-D PIN_BOARD_SCL=14
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-D PIN_BOARD_SDA=13
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-D PIN_OLED_RESET=-1

‎variants/heltec_t096/platformio.ini‎

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@@ -9,7 +9,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/heltec_t096
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-I src/helpers/ui
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-D HELTEC_T096
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-D NRF52_POWER_MANAGEMENT
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-D P_LORA_DIO_1=21
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-D P_LORA_NSS=5
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-D P_LORA_RESET=16

‎variants/heltec_t114/platformio.ini‎

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@@ -12,7 +12,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/heltec_t114
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-I src/helpers/ui
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-D HELTEC_T114
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-D NRF52_POWER_MANAGEMENT
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-D P_LORA_DIO_1=20
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-D P_LORA_NSS=24
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-D P_LORA_RESET=25

‎variants/muziworks_r1_neo/platformio.ini‎

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@@ -7,7 +7,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/muziworks_r1_neo
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-I src/helpers/ui
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-D R1Neo
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-D NRF52_POWER_MANAGEMENT
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-D RADIO_CLASS=CustomSX1262
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-D WRAPPER_CLASS=CustomSX1262Wrapper
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-D LORA_TX_POWER=22

‎variants/rak3401/platformio.ini‎

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@@ -6,7 +6,6 @@ build_flags = ${nrf52_base.build_flags}
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${sensor_base.build_flags}
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-I variants/rak3401
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-D RAK_3401
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-D NRF52_POWER_MANAGEMENT
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-D RADIO_CLASS=CustomSX1262
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-D WRAPPER_CLASS=CustomSX1262Wrapper
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-D LORA_TX_POWER=22

‎variants/rak4631/platformio.ini‎

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@@ -7,7 +7,6 @@ build_flags = ${nrf52_base.build_flags}
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-I variants/rak4631
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-D RAK_4631
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-D RAK_BOARD
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-D NRF52_POWER_MANAGEMENT
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-D PIN_BOARD_SCL=14
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-D PIN_BOARD_SDA=13
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-D PIN_GPS_TX=PIN_SERIAL1_RX

‎variants/sensecap_solar/platformio.ini‎

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@@ -10,7 +10,6 @@ build_flags = ${nrf52_base.build_flags}
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-I src/helpers/nrf52
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-D NRF52_PLATFORM=1
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-D USE_SX1262
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-D NRF52_POWER_MANAGEMENT
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-D RADIO_CLASS=CustomSX1262
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-D WRAPPER_CLASS=CustomSX1262Wrapper
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-D P_LORA_TX_LED=11

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