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Fix PICO_VBUS_PIN (#393)

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Inexplicably using the wrongly named constant. Should be PICO_VBUS_PIN.

* In read_vsys ignore initial readings

We were doing this for pico_w but it seems it's needed for pico as well.
This commit is contained in:
Peter Harper
2023-06-08 16:01:47 +01:00
committed by GitHub
parent a9b3118443
commit 8661b5cf96
1 changed files with 4 additions and 6 deletions
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10
adc/read_vsys/power_status.c
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@@ -23,9 +23,9 @@ int power_source(bool *battery_powered) {
#if defined CYW43_WL_GPIO_VBUS_PIN
*battery_powered = !cyw43_arch_gpio_get(CYW43_WL_GPIO_VBUS_PIN);
return PICO_OK;
#elif defined PICO_VBUS_GPIO_PIN
gpio_set_function(PICO_VBUS_GPIO_PIN, GPIO_FUNC_SIO);
*battery_powered = !gpio_get(PICO_VBUS_GPIO_PIN);
#elif defined PICO_VBUS_PIN
gpio_set_function(PICO_VBUS_PIN, GPIO_FUNC_SIO);
*battery_powered = !gpio_get(PICO_VBUS_PIN);
return PICO_OK;
#else
return PICO_ERROR_NO_DATA;
@@ -49,13 +49,11 @@ int power_voltage(float *voltage_result) {
adc_fifo_setup(true, false, 0, false, false);
adc_run(true);
#if CYW43_USES_VSYS_PIN
// We seem to read low values from cyw43 sometimes - this seems to fix it
// We seem to read low values initially - this seems to fix it
int ignore_count = PICO_POWER_SAMPLE_COUNT;
while (!adc_fifo_is_empty() || ignore_count-- > 0) {
(void)adc_fifo_get_blocking();
}
#endif
// read vsys
uint32_t vsys = 0;