Function doGPIOBanks

tools/mcdevicetree.js:412–474

(state, dts)

}

function doGPIOBanks(state, dts) {
	const gpios = getNodes(state, dts, "gpio");

	state.hCode += `
#define kModZephyrGPIOBankCount (${gpios.length})
`;

	if (0 === gpios.length)
		return;

	state.hCode += `
#include <zephyr/drivers/gpio.h>

struct modZephyrGPIOBank {
	const char *label;
	const struct device *device;
	uint8_t bankIndex;
	uint8_t gpioCount;
};

extern const struct modZephyrGPIOBank *modZephyrGetGPIOBank(const char *label);

`;

	state.gpioBanks = [];
	state.cCode +=`
static const struct modZephyrGPIOBank gGPIOBank[] = {
`;

	gpios.forEach((gpio, bankIndex) => {
		const ngpios = gpio.properties?.ngpios?.value.value[0];
		state.cCode += `	{
		.label = "${gpio.label}",
		.device = DEVICE_DT_GET(DT_NODELABEL(${gpio.label})),
		.bankIndex = ${bankIndex},
		.gpioCount = ${ngpios ? parseInt(ngpios) : "GPIO_MAX_PINS_PER_PORT"}
	},
`;
		state.gpioBanks.push(gpio.label);
	});

	state.cCode += `};

const struct modZephyrGPIOBank *modZephyrGetGPIOBank(const char *label)
{
	for (int i = 0; i < ARRAY_SIZE(gGPIOBank); i++) {
		if (0 == c_strcmp(gGPIOBank[i].label, label))
			return &gGPIOBank[i];
	}

	return C_NULL;
}
`;

	state.jsCode += `
import Digital from "embedded:io/digital";
device.io.Digital = Digital;