djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Updated to initalize pindirs

This commit is contained in:
gamblor21 2021-03-04 18:06:14 -06:00
parent 7321411962
commit c384ebe5c0
1 changed files with 9 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
ports/raspberrypi/common-hal/displayio/ParallelBus.c
View File

@ -95,31 +95,19 @@ void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* sel
never_reset_pin_number(data_pin + i);
}
// Calculate pin usage all data pins + write pin
uint32_t pin_usage = 0;
for (uint8_t pin_number = data_pin; pin_number < data_pin+8; pin_number++) {
pin_usage += (1 << pin_number);
}
pin_usage += (1 << write_pin);
bool ok = rp2pio_statemachine_construct(&self->state_machine,
common_hal_rp2pio_statemachine_construct(&self->state_machine,
parallel_program, sizeof(parallel_program) / sizeof(parallel_program[0]),
frequency, // frequency
NULL, 0, // init
data0, 8, // first out pin, # out pins
data0, 8, 0, 255, // first out pin, # out pins
NULL, 0, // first in pin, # in pins
NULL, 0, // first set pin
write, 1, // first sideset pin
pin_usage, // pins we use
true, // tx fifo
false, // rx fifo
NULL, 0, 0, 0, // first set pin
write, 1, 0, 1, // first sideset pin
true, // exclusive pin usage
true, 8, true, // TX, auto pull every 8 bits. shift left to output msb first
false, 32, true, // RX setting we don't use
false); // claim pins
if (!ok) {
// Do nothing. Maybe bitbang?
return;
}
false, // wait for TX stall
false, 32, true // RX setting we don't use
);
}
void common_hal_displayio_parallelbus_deinit(displayio_parallelbus_obj_t* self) {
@ -162,7 +150,7 @@ void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byt
displayio_parallelbus_obj_t* self = MP_OBJ_TO_PTR(obj);
common_hal_digitalio_digitalinout_set_value(&self->command, byte_type == DISPLAY_DATA);
common_hal_rp2pio_statemachine_write(&self->state_machine, data, data_length);
common_hal_rp2pio_statemachine_write(&self->state_machine, data, data_length, 1);
}
void common_hal_displayio_parallelbus_end_transaction(mp_obj_t obj) {