Search found 3 matches

by profjmer
Fri Apr 05, 2024 6:39 pm
Forum: ESP-IDF
Topic: RMT examples must be updated in esp-idf5.2
Replies: 0
Views: 1925

RMT examples must be updated in esp-idf5.2

Channels configuration for rmt examples in esp-idf-5.2 do not follow structure definition in rmt_tx.h rmt_tx_channel_config_t tx_chan_config = { .clk_src = RMT_CLK_SRC_DEFAULT, // select clock source .gpio_num = STEP_MOTOR_GPIO_STEP, .mem_block_symbols = 64, .resolution_hz = STEP_MOTOR_RESOLUTION_HZ...
by profjmer
Thu Apr 04, 2024 5:33 pm
Forum: ESP-IDF
Topic: Documentation error about RMT_symbol in esp-idf-5.2
Replies: 1
Views: 1445

Documentation error about RMT_symbol in esp-idf-5.2

Documentation error about RMT_symbol Drawing of bit levels should not be in lsb positions of words but in msb positions rmt doc.png According to rmt_types.h It seems that level bits are msb and not lsb /** * @brief The layout of RMT symbol stored in memory, which is decided by the hardware design *...
by profjmer
Sun Mar 24, 2024 5:50 pm
Forum: General Discussion
Topic: new rmt driver and ir_nec_transceiver examples not generating proper NEC signals
Replies: 1
Views: 1377

new rmt driver and ir_nec_transceiver examples not generating proper NEC signals

In esp-idf v5.2.1 the rmt driver has been modified and some examples are provided in the SDK. In ir_nec_transceiver example I modified the example to send a nec ir with address 0 and command 0 const ir_nec_scan_code_t scan_code = { .address = 0x0, .command = 0x0, }; The nec_encoder do not seem to wo...