diff options
| author | Emil Muratov <gpm@hotplug.ru> | 2021-02-19 12:08:15 +0300 |
|---|---|---|
| committer | Emil Muratov <gpm@hotplug.ru> | 2021-02-19 17:29:41 +0300 |
| commit | 15eaa3e9d394252190eec44b42e555e98a7c4c57 (patch) | |
| tree | 2a2df54969ccd7ba9191169a85ec75d0b4db60f9 /ESP32-HUB75-MatrixPanel-I2S-DMA.cpp | |
| parent | 895bb80b438d3373fb5d3424e2ae7a65c1db4e0e (diff) | |
Clock phase toggling option, required to support MBI5124 chips
Closes #75
Signed-off-by: Emil Muratov <gpm@hotplug.ru>
Diffstat (limited to 'ESP32-HUB75-MatrixPanel-I2S-DMA.cpp')
| -rw-r--r-- | ESP32-HUB75-MatrixPanel-I2S-DMA.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp index 6525ef4..2e08af0 100644 --- a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp +++ b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp @@ -421,7 +421,8 @@ void MatrixPanel_I2S_DMA::configureDMA(const HUB75_I2S_CFG& _cfg) .desccount_a=desccount, .lldesc_a=dmadesc_a, .desccount_b=desccount, - .lldesc_b=dmadesc_b + .lldesc_b=dmadesc_b, + .clkphase=_cfg.clkphase }; // Setup I2S @@ -656,6 +657,12 @@ void MatrixPanel_I2S_DMA::shiftDriver(const HUB75_I2S_CFG& _cfg){ CLK_PULSE } break; + case HUB75_I2S_CFG::MBI5124: + /* MBI5124 chips must be clocked with positive-edge, since it's LAT signal + * resets on clock's rising edge while high + * https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA/files/5952216/5a542453754da.pdf + */ + m_cfg.clkphase=true; case HUB75_I2S_CFG::SHIFT: default: break; |