Search found 1767 matches

by WiFive
Sun Jun 24, 2018 8:42 pm
Forum: Hardware
Topic: Distinction between a pad and a pin?
Replies: 1
Views: 13

Re: Distinction between a pad and a pin?

Does a qfn package have pads or pins?
by WiFive
Sun Jun 24, 2018 8:31 pm
Forum: Hardware
Topic: GPIO matrix input 1 to many, output 1 to 1
Replies: 1
Views: 10

Re: GPIO matrix input 1 to many, output 1 to 1

One reason someone showed was route the input through an internal pad and back out another pad to blink an LED in sync with a signal. If you have some signal that doesn't strictly work with a hw peripheral you may want to use rmt to measure it and also pcnt or interrupt.
by WiFive
Sun Jun 24, 2018 7:48 pm
Forum: ESP32 IDF
Topic: Rf based positioning using phase differences
Replies: 4
Views: 127

Re: Rf based positioning using phase differences

Each item is stored as two bytes: imaginary part followed by real part
.
by WiFive
Sun Jun 24, 2018 6:30 pm
Forum: ESP32 IDF
Topic: i2c bug in 3.0, works with older idf
Replies: 1
Views: 26

Re: i2c bug in 3.0, works with older idf

Current master is technically "3.2-dev". It does look like i2c_master_clear_bus code is not quite right. Previous version was slightly better, still not totally right. This may be better static esp_err_t i2c_master_clear_bus(i2c_port_t i2c_num) { I2C_CHECK(i2c_num < I2C_NUM_MAX, I2C_NUM_ER...
by WiFive
Sun Jun 24, 2018 3:13 pm
Forum: General Discussion
Topic: mDNS component's real time safety
Replies: 4
Views: 89

Re: mDNS component's real time safety

mdns has been rewritten since that commit and the current init and deinit are done in API calls but write is not.
by WiFive
Sun Jun 24, 2018 3:08 am
Forum: ESP32 IDF
Topic: A2DP source, connection to two bt speaker
Replies: 3
Views: 121

Re: A2DP source, connection to two bt speaker

Slightly off topic, but how does UE PartyUp mode work? They can direct multiple speakers to listen to the same single stream from the src? Essentially telling the additional speakers to passively clone (eavesdrop) the connection of the primary sink? Obviously this requires specialized software in th...
by WiFive
Sat Jun 23, 2018 8:36 pm
Forum: ESP32 IDF
Topic: Heap corrupting when using xQueue
Replies: 14
Views: 348

Re: Heap corrupting when using xQueue

That doesn't seem reasonable.
by WiFive
Fri Jun 22, 2018 6:40 pm
Forum: General Discussion
Topic: how to resolve packet loss issue?
Replies: 9
Views: 263

Re: how to resolve packet loss issue?

count = total
to_write = remaining
to_write -= len
by WiFive
Fri Jun 22, 2018 3:09 am
Forum: General Discussion
Topic: trying to read an ADC GPIO
Replies: 10
Views: 237

Re: trying to read an ADC GPIO

Configuring it as an output is the same
by WiFive
Thu Jun 21, 2018 11:15 pm
Forum: General Discussion
Topic: trying to read an ADC GPIO
Replies: 10
Views: 237

Re: trying to read an ADC GPIO

Did you configure gpio32 as a gpio (normally a 32k crystal pin) and enable its output driver?

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