From 778c7a89746c0bb7db32db48e8a0d2f75b0ec041 Mon Sep 17 00:00:00 2001
From: Sandeep Mistry <s.mistry@bcmi-labs.cc>
Date: Fri, 1 Sep 2017 15:26:45 -0400
Subject: [PATCH] Disable charging in the bootloader
---
bootloaders/zero/board_driver_i2c.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/bootloaders/zero/board_driver_i2c.c b/bootloaders/zero/board_driver_i2c.c
index f706db94..d58d2b65 100644
--- a/bootloaders/zero/board_driver_i2c.c
+++ b/bootloaders/zero/board_driver_i2c.c
@@ -613,11 +613,22 @@ bool setChargeVoltage(uint16_t voltage) {
return 1; // value was written successfully
}
+bool disableCharge()
+{
+ uint8_t DATA = readRegister(POWERON_CONFIG_REGISTER);
+ uint8_t mask = DATA & 0b11001111;
+
+ writeRegister(POWERON_CONFIG_REGISTER, mask);
+
+ return 1;
+}
+
void apply_pmic_newdefaults()
{
disableWatchdog();
//disableDPDM();
+ disableCharge();
setInputVoltageLimit(4360); // default
setInputCurrentLimit(900); // 900mA
setChargeCurrent(0,0,0,0,0,0); // 512mA
--
GitLab