Browse Source
* For now, to be used for FrankenKyria, where both matrix halves will be attached to the same MCU, but should be a stepping stone to proper split support once we have a kscan driver over a split transport. * Implement multiple instances for mock kscan driver.xmkb
Pete Johanson
5 years ago
9 changed files with 292 additions and 83 deletions
@ -0,0 +1,2 @@
@@ -0,0 +1,2 @@
|
||||
|
||||
CONFIG_ZMK_KSCAN_COMPOSITE_DRIVER=y |
||||
@ -0,0 +1,27 @@
@@ -0,0 +1,27 @@
|
||||
description: | |
||||
Allows composing multiple KSCAN devices into one virtual device |
||||
|
||||
compatible: "zmk,kscan-composite" |
||||
|
||||
properties: |
||||
label: |
||||
type: string |
||||
rows: |
||||
type: int |
||||
columns: |
||||
type: int |
||||
|
||||
child-binding: |
||||
description: "Details of an included KSCAN devices" |
||||
|
||||
properties: |
||||
label: |
||||
type: string |
||||
kscan: |
||||
type: phandle |
||||
row-offset: |
||||
type: int |
||||
default: 0 |
||||
column-offset: |
||||
type: int |
||||
default: 0 |
||||
@ -0,0 +1,130 @@
@@ -0,0 +1,130 @@
|
||||
/*
|
||||
* Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> |
||||
* |
||||
* SPDX-License-Identifier: MIT |
||||
*/ |
||||
|
||||
#define DT_DRV_COMPAT zmk_kscan_composite |
||||
|
||||
#include <device.h> |
||||
#include <drivers/kscan.h> |
||||
#include <logging/log.h> |
||||
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
||||
|
||||
#define MATRIX_NODE_ID DT_DRV_INST(0) |
||||
#define MATRIX_ROWS DT_PROP(MATRIX_NODE_ID, rows) |
||||
#define MATRIX_COLS DT_PROP(MATRIX_NODE_ID, columns) |
||||
|
||||
struct kscan_composite_child_config |
||||
{ |
||||
char *label; |
||||
u8_t row_offset; |
||||
u8_t column_offset; |
||||
}; |
||||
|
||||
#define CHILD_CONFIG(inst) \ |
||||
{ \
|
||||
.label = DT_LABEL(DT_PHANDLE(inst, kscan)), \
|
||||
.row_offset = DT_PROP(inst, row_offset), \
|
||||
.column_offset = DT_PROP(inst, column_offset)}, |
||||
|
||||
const struct kscan_composite_child_config kscan_composite_children[] = { |
||||
DT_FOREACH_CHILD(MATRIX_NODE_ID, CHILD_CONFIG)}; |
||||
|
||||
struct kscan_composite_config |
||||
{ |
||||
}; |
||||
|
||||
struct kscan_composite_data |
||||
{ |
||||
kscan_callback_t callback; |
||||
|
||||
struct device *dev; |
||||
}; |
||||
|
||||
static int kscan_composite_enable_callback(struct device *dev) |
||||
{ |
||||
for (int i = 0; i < sizeof(kscan_composite_children) / sizeof(kscan_composite_children[0]); i++) |
||||
{ |
||||
const struct kscan_composite_child_config *cfg = &kscan_composite_children[i]; |
||||
|
||||
kscan_enable_callback(device_get_binding(cfg->label)); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
static int kscan_composite_disable_callback(struct device *dev) |
||||
{ |
||||
for (int i = 0; i < sizeof(kscan_composite_children) / sizeof(kscan_composite_children[0]); i++) |
||||
{ |
||||
const struct kscan_composite_child_config *cfg = &kscan_composite_children[i]; |
||||
|
||||
kscan_disable_callback(device_get_binding(cfg->label)); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
static void kscan_composite_child_callback(struct device *child_dev, u32_t row, u32_t column, bool pressed) |
||||
{ |
||||
// TODO: Ideally we can get this passed into our callback!
|
||||
struct device *dev = device_get_binding(DT_INST_LABEL(0)); |
||||
struct kscan_composite_data *data = dev->driver_data; |
||||
|
||||
for (int i = 0; i < sizeof(kscan_composite_children) / sizeof(kscan_composite_children[0]); i++) |
||||
{ |
||||
const struct kscan_composite_child_config *cfg = &kscan_composite_children[i]; |
||||
|
||||
if (device_get_binding(cfg->label) != child_dev) |
||||
{ |
||||
continue; |
||||
} |
||||
|
||||
data->callback(dev, row + cfg->row_offset, column + cfg->column_offset, pressed); |
||||
} |
||||
} |
||||
|
||||
static int kscan_composite_configure(struct device *dev, kscan_callback_t callback) |
||||
{ |
||||
struct kscan_composite_data *data = dev->driver_data; |
||||
|
||||
if (!callback) |
||||
{ |
||||
return -EINVAL; |
||||
} |
||||
|
||||
for (int i = 0; i < sizeof(kscan_composite_children) / sizeof(kscan_composite_children[0]); i++) |
||||
{ |
||||
const struct kscan_composite_child_config *cfg = &kscan_composite_children[i]; |
||||
|
||||
kscan_config(device_get_binding(cfg->label), &kscan_composite_child_callback); |
||||
} |
||||
|
||||
data->callback = callback; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static int kscan_composite_init(struct device *dev) |
||||
{ |
||||
struct kscan_composite_data *data = dev->driver_data; |
||||
|
||||
data->dev = dev; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static const struct kscan_driver_api mock_driver_api = { |
||||
.config = kscan_composite_configure, |
||||
.enable_callback = kscan_composite_enable_callback, |
||||
.disable_callback = kscan_composite_disable_callback, |
||||
}; |
||||
|
||||
static const struct kscan_composite_config kscan_composite_config = {}; |
||||
|
||||
static struct kscan_composite_data kscan_composite_data; |
||||
|
||||
DEVICE_AND_API_INIT(kscan_composite, DT_INST_LABEL(0), kscan_composite_init, |
||||
&kscan_composite_data, |
||||
&kscan_composite_config, |
||||
APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, |
||||
&mock_driver_api); |
||||
Loading…
Reference in new issue