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| author | Wei-Han Chen <stimim@google.com> | 2018-01-08 16:51:26 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-01-25 00:15:48 -0800 |
| commit | 9a7e82bac8f8fbfa10e0e2a1f1ea33fb1d6b75cc (patch) | |
| tree | 0834587dfa4a95ed38fed2974b470beaa862ca5b /board/nautilus/battery.c | |
| parent | e68469b5242b9b95ea5de45c965825da35b7eaab (diff) | |
| download | chrome-ec-9a7e82bac8f8fbfa10e0e2a1f1ea33fb1d6b75cc.tar.gz | |
stm32: make half-duplex SPI works on STM32F0
According to RM0091, steps for using DMA for SPI peripheral should be:
1. enable DMA RX / TX
2. enable SPI
3. wait for DMA to complete
4. disable DMA RX / TX
5. disable SPI
BUG=b:70482333
TEST=tested on reworked staff (half-duplex)
TEST=tested elm (full-duplex)
Change-Id: I095409195cd1e0379995f0bfa6605c2e1a0dfd3c
Reviewed-on: https://chromium-review.googlesource.com/853715
Commit-Ready: Wei-Han Chen <stimim@chromium.org>
Tested-by: Wei-Han Chen <stimim@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Diffstat (limited to 'board/nautilus/battery.c')
0 files changed, 0 insertions, 0 deletions