diff options
| author | Jim Mussared <jim.mussared@gmail.com> | 2021-11-11 23:36:27 +1100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2021-12-22 12:04:13 +1100 |
| commit | 599b61c08687ca077e3b0e115d5b76affcc673ca (patch) | |
| tree | 199a3309fb92ae915cff29b9d664ea686151c823 /ports/esp32/esp32_rmt.c | |
| parent | 09fe80d0912b2418fb704cf8e80db1712fb7523f (diff) | |
esp32/machine_bitstream: Replace bit-bang code with RMT-based driver.
This aims to solve glitching issues on long neopixel strips.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
Diffstat (limited to 'ports/esp32/esp32_rmt.c')
| -rw-r--r-- | ports/esp32/esp32_rmt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ports/esp32/esp32_rmt.c b/ports/esp32/esp32_rmt.c index 37ecef324..1a7e77b9d 100644 --- a/ports/esp32/esp32_rmt.c +++ b/ports/esp32/esp32_rmt.c @@ -29,6 +29,8 @@ #include "mphalport.h" #include "driver/rmt.h" +#include "modesp32.h" + // This exposes the ESP32's RMT module to MicroPython. RMT is provided by the Espressif ESP-IDF: // // https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/rmt.html @@ -73,6 +75,10 @@ STATIC mp_obj_t esp32_rmt_make_new(const mp_obj_type_t *type, size_t n_args, siz mp_uint_t idle_level = args[3].u_bool; mp_obj_t tx_carrier_obj = args[4].u_obj; + if (channel_id == MICROPY_HW_ESP32_RMT_CHANNEL_BITSTREAM) { + mp_raise_ValueError(MP_ERROR_TEXT("reserved channel id")); + } + if (clock_div < 1 || clock_div > 255) { mp_raise_ValueError(MP_ERROR_TEXT("clock_div must be between 1 and 255")); } |