From 6c793efa0d10ac747eab401d354c6f25fd9d66dd Mon Sep 17 00:00:00 2001 From: jacqueline Date: Wed, 5 Oct 2022 18:25:07 +1100 Subject: Start on configuring the DAC over i2c --- main/gpio-expander.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'main/gpio-expander.cpp') diff --git a/main/gpio-expander.cpp b/main/gpio-expander.cpp index d17f9f07..aedfbf2b 100644 --- a/main/gpio-expander.cpp +++ b/main/gpio-expander.cpp @@ -48,16 +48,16 @@ esp_err_t GpioExpander::Read() { return ret; } -bool GpioExpander::charge_power_ok(void) { +bool GpioExpander::charge_power_ok(void) const { // Active-low. return (input_a_ & (1 << 4)) == 0; } -bool GpioExpander::headphone_detect(void) { +bool GpioExpander::headphone_detect(void) const { return (input_b_ & (1 << 0)); } -uint8_t GpioExpander::key_states(void) { +uint8_t GpioExpander::key_states(void) const { return input_b_ & 0b00111111; } -- cgit v1.2.3