summaryrefslogtreecommitdiff
path: root/shared-module
diff options
context:
space:
mode:
authorScott Shawcroft <scott@tannewt.org>2019-04-08 17:15:08 -0700
committerScott Shawcroft <scott@tannewt.org>2019-04-08 17:15:08 -0700
commitde48e4b262f17b8c75449be0ae30a10ffd1489e1 (patch)
tree9be165f2c1b9320f3e166433c439c2eaf7127cce /shared-module
parent0f003ac5b8312fafb120e86e05eefd2431014d8c (diff)
parent5015036c06e12c158ca0b36a23fade8da6fbbf07 (diff)
Merge remote-tracking branch 'adafruit/master' into fix_cpx_display
Diffstat (limited to 'shared-module')
-rw-r--r--shared-module/displayio/FourWire.c10
-rw-r--r--shared-module/displayio/FourWire.h3
2 files changed, 11 insertions, 2 deletions
diff --git a/shared-module/displayio/FourWire.c b/shared-module/displayio/FourWire.c
index 2ca685f17..b01456bba 100644
--- a/shared-module/displayio/FourWire.c
+++ b/shared-module/displayio/FourWire.c
@@ -41,8 +41,14 @@ void common_hal_displayio_fourwire_construct(displayio_fourwire_obj_t* self,
self->bus = spi;
common_hal_busio_spi_never_reset(self->bus);
+ // Our object is statically allocated off the heap so make sure the bus object lives to the end
+ // of the heap as well.
gc_never_free(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);
common_hal_digitalio_digitalinout_construct(&self->chip_select, chip_select);
@@ -73,8 +79,8 @@ 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