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Add frequency support to parallel bus

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This commit is contained in:
gamblor21 2021-02-04 17:33:23 -06:00
parent b080d6207b
commit 56a219911f
8 changed files with 15 additions and 10 deletions
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2
ports/atmel-samd/common-hal/displayio/ParallelBus.c
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@ -35,7 +35,7 @@
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
uint8_t data_pin = data0->number;
if (data_pin % 8 != 0) {

2
ports/esp32s2/common-hal/displayio/ParallelBus.c
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@ -40,7 +40,7 @@
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
uint8_t data_pin = data0->number;
if (data_pin % 8 != 0) {

2
ports/mimxrt10xx/common-hal/displayio/ParallelBus.c
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@ -35,7 +35,7 @@
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
mp_raise_NotImplementedError(translate("ParallelBus not yet supported"));
}

2
ports/nrf/common-hal/displayio/ParallelBus.c
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@ -35,7 +35,7 @@
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
uint8_t data_pin = data0->number;
if (data_pin % 8 != 0) {

8
ports/raspberrypi/common-hal/displayio/ParallelBus.c
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@ -45,7 +45,11 @@ static const uint16_t parallel_program[] = {
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
// If we did not set frequency guess at 60Mhz
if (frequency == 0)
frequency = 60000000;
uint8_t data_pin = data0->number;
for (uint8_t i = 0; i < 8; i++) {
@ -100,7 +104,7 @@ void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* sel
bool ok = rp2pio_statemachine_construct(&self->state_machine,
parallel_program, sizeof(parallel_program) / sizeof(parallel_program[0]),
60000000, //48000000, //125000000, // freq 24Mhz
frequency, // frequency
NULL, 0, // init
data0, 8, // first out pin, # out pins
NULL, 0, // first in pin, # in pins

2
ports/stm/common-hal/displayio/ParallelBus.c
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@ -35,7 +35,7 @@
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) {
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency) {
mp_raise_NotImplementedError(translate("ParallelBus not yet supported"));
}

5
shared-bindings/displayio/ParallelBus.c
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@ -60,7 +60,7 @@
//| ...
//|
STATIC mp_obj_t displayio_parallelbus_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_data0, ARG_command, ARG_chip_select, ARG_write, ARG_read, ARG_reset };
enum { ARG_data0, ARG_command, ARG_chip_select, ARG_write, ARG_read, ARG_reset, ARG_frequency };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_data0, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_command, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
@ -68,6 +68,7 @@ STATIC mp_obj_t displayio_parallelbus_make_new(const mp_obj_type_t *type, size_t
{ MP_QSTR_write, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_read, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_reset, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_frequency, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0 } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
@ -82,7 +83,7 @@ STATIC mp_obj_t displayio_parallelbus_make_new(const mp_obj_type_t *type, size_t
displayio_parallelbus_obj_t* self = &allocate_display_bus_or_raise()->parallel_bus;
self->base.type = &displayio_parallelbus_type;
common_hal_displayio_parallelbus_construct(self, data0, command, chip_select, write, read, reset);
common_hal_displayio_parallelbus_construct(self, data0, command, chip_select, write, read, reset, args[ARG_frequency].u_int);
return self;
}

2
shared-bindings/displayio/ParallelBus.h
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@ -37,7 +37,7 @@ extern const mp_obj_type_t displayio_parallelbus_type;
void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self,
const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select,
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset);
const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset, uint32_t frequency);
void common_hal_displayio_parallelbus_deinit(displayio_parallelbus_obj_t* self);