mirrors
/
pimoroni-pico
mirror of https://github.com/pimoroni/pimoroni-pico.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

temporary fix to avoid micropython locking up on subsequent runs with unicorn (#22) 

Co-authored-by: Jonathan Williamson <jon@pimoroni.com>
This commit is contained in:
lowfatcode 2021-01-24 21:14:44 +00:00 committed by GitHub
parent 1a1ed988ba
commit 032c17dd00
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libraries/pico_unicorn/pico_unicorn.cpp
View File

@ -198,6 +198,14 @@ namespace pimoroni {
gpio_set_function(pin::X, GPIO_FUNC_SIO); gpio_set_dir(pin::X, GPIO_IN); gpio_pull_up(pin::X);
gpio_set_function(pin::Y, GPIO_FUNC_SIO); gpio_set_dir(pin::Y, GPIO_IN); gpio_pull_up(pin::Y);
// todo: shouldn't need to do this if things were cleaned up properly but without
// this any attempt to run a micropython script twice will fail
static bool already_init = false;
if(already_init) {
return;
}
// setup dma transfer for pixel data to the pio
dma_channel = dma_claim_unused_channel(true);
dma_channel_config config = dma_channel_get_default_config(dma_channel);
@ -212,6 +220,8 @@ namespace pimoroni {
dma_channel_set_trans_count(dma_channel, BITSTREAM_LENGTH / 4, false);
dma_channel_set_read_addr(dma_channel, bitstream, true);
already_init = true;
}
void PicoUnicorn::clear() {