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authorScott Shawcroft <scott@tannewt.org>2019-04-08 17:02:07 -0700
committerGitHub <noreply@github.com>2019-04-08 17:02:07 -0700
commit5015036c06e12c158ca0b36a23fade8da6fbbf07 (patch)
tree0c11e4a7c4d090b5e0b6456f9e2e94aa97b6318b /shared-module/displayio
parent672a102fdf5c86ca50146a3c6ea09cbc43a100bd (diff)
parent049b9ca09493b9f88a86882379d140896050dc87 (diff)
Merge pull request #1758 from pewpew-game/fourwire-frequency
Stop hard-coding SPI frequency in FourWire
Diffstat (limited to 'shared-module/displayio')
-rw-r--r--shared-module/displayio/FourWire.c7
-rw-r--r--shared-module/displayio/FourWire.h3
2 files changed, 8 insertions, 2 deletions
diff --git a/shared-module/displayio/FourWire.c b/shared-module/displayio/FourWire.c
index 043f68e26..c87d2be95 100644
--- a/shared-module/displayio/FourWire.c
+++ b/shared-module/displayio/FourWire.c
@@ -40,6 +40,9 @@ void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
self->bus = spi;
common_hal_busio_spi_never_reset(self->bus);
+ self->frequency = common_hal_busio_spi_get_frequency(spi);
+ self->polarity = common_hal_busio_spi_get_polarity(spi);
+ self->phase = common_hal_busio_spi_get_phase(spi);
common_hal_digitalio_digitalinout_construct(&self->command, command);
common_hal_digitalio_digitalinout_switch_to_output(&self->command, true, DRIVE_MODE_PUSH_PULL);
@@ -71,8 +74,8 @@ bool common_hal_displayio_fourwire_begin_transaction(mp_obj_t obj) {
if (!common_hal_busio_spi_try_lock(self->bus)) {
return false;
}
- // TODO(tannewt): Stop hardcoding SPI frequency, polarity and phase.
- common_hal_busio_spi_configure(self->bus, 12000000, 0, 0, 8);
+ common_hal_busio_spi_configure(self->bus, self->frequency, self->polarity,
+ self->phase, 8);
common_hal_digitalio_digitalinout_set_value(&self->chip_select, false);
return true;
}
diff --git a/shared-module/displayio/FourWire.h b/shared-module/displayio/FourWire.h
index 234bcf794..743139e62 100644
--- a/shared-module/displayio/FourWire.h
+++ b/shared-module/displayio/FourWire.h
@@ -38,6 +38,9 @@ typedef struct {
digitalio_digitalinout_obj_t command;
digitalio_digitalinout_obj_t chip_select;
digitalio_digitalinout_obj_t reset;
+ uint32_t frequency;
+ uint8_t polarity;
+ uint8_t phase;
} displayio_fourwire_obj_t;
#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_DISPLAYIO_FOURWIRE_H