mirror of
https://github.com/ByteWelder/Tactility.git
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d2048e01b6
* **New Features** * PI4IOE5V6408 I2C I/O expander driver with public GPIO APIs * CLI tool to list devicetree dependencies * **Device Tree Updates** * M5Stack Tab5 configured with two I2C IO expanders; PI4IOE5V6408 binding added * **Build / Tooling** * Devicetree code generation integrated into build; generated artifacts and dynamic dependency resolution exposed * **Refactor** * Kernel/run APIs updated to accept a null‑terminated devicetree modules array; many module symbols renamed * **Documentation** * Added README and Apache‑2.0 license for new driver module
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
#include <tactility/kernel_init.h>
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#include <tactility/device.h>
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#include <tactility/log.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TAG "kernel"
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extern const ModuleSymbol KERNEL_SYMBOLS[];
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static error_t start() {
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extern Driver root_driver;
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if (driver_construct_add(&root_driver) != ERROR_NONE) return ERROR_RESOURCE;
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return ERROR_NONE;
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}
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static error_t stop() {
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return ERROR_NONE;
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}
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Module root_module = {
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.name = "kernel",
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.start = start,
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.stop = stop,
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.symbols = (const struct ModuleSymbol*)KERNEL_SYMBOLS,
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.internal = nullptr
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};
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error_t kernel_init(Module* dts_modules[], DtsDevice dts_devices[]) {
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LOG_I(TAG, "init");
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if (module_construct_add_start(&root_module) != ERROR_NONE) {
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LOG_E(TAG, "root module init failed");
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return ERROR_RESOURCE;
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}
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Module** dts_module = dts_modules;
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while (*dts_module != nullptr) {
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if (module_construct_add_start(*dts_module) != ERROR_NONE) {
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LOG_E(TAG, "dts module init failed: %s", (*dts_module)->name);
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return ERROR_RESOURCE;
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}
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dts_module++;
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}
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DtsDevice* dts_device = dts_devices;
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while (dts_device->device != nullptr) {
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if (dts_device->status == DTS_DEVICE_STATUS_OKAY) {
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if (device_construct_add_start(dts_device->device, dts_device->compatible) != ERROR_NONE) {
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LOG_E(TAG, "kernel_init failed to construct+add+start device: %s (%s)", dts_device->device->name, dts_device->compatible);
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return ERROR_RESOURCE;
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}
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} else if (dts_device->status == DTS_DEVICE_STATUS_DISABLED) {
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if (device_construct_add(dts_device->device, dts_device->compatible) != ERROR_NONE) {
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LOG_E(TAG, "kernel_init failed to construct+add device: %s (%s)", dts_device->device->name, dts_device->compatible);
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return ERROR_RESOURCE;
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}
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} else {
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check(false, "DTS status not implemented");
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}
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dts_device++;
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}
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LOG_I(TAG, "init done");
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return ERROR_NONE;
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}
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#ifdef __cplusplus
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}
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#endif
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