mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2025-10-30 21:39:27 +00:00
134 lines
4.2 KiB
JavaScript
134 lines
4.2 KiB
JavaScript
import { ROM } from "./rom.js";
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export class ESP32C3ROM extends ROM {
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constructor() {
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super(...arguments);
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this.CHIP_NAME = "ESP32-C3";
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this.IMAGE_CHIP_ID = 5;
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this.EFUSE_BASE = 0x60008800;
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this.MAC_EFUSE_REG = this.EFUSE_BASE + 0x044;
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this.UART_CLKDIV_REG = 0x3ff40014;
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this.UART_CLKDIV_MASK = 0xfffff;
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this.UART_DATE_REG_ADDR = 0x6000007c;
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this.FLASH_WRITE_SIZE = 0x400;
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this.BOOTLOADER_FLASH_OFFSET = 0;
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this.FLASH_SIZES = {
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"1MB": 0x00,
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"2MB": 0x10,
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"4MB": 0x20,
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"8MB": 0x30,
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"16MB": 0x40,
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};
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this.SPI_REG_BASE = 0x60002000;
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this.SPI_USR_OFFS = 0x18;
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this.SPI_USR1_OFFS = 0x1c;
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this.SPI_USR2_OFFS = 0x20;
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this.SPI_MOSI_DLEN_OFFS = 0x24;
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this.SPI_MISO_DLEN_OFFS = 0x28;
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this.SPI_W0_OFFS = 0x58;
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}
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async getPkgVersion(loader) {
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const numWord = 3;
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const block1Addr = this.EFUSE_BASE + 0x044;
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const addr = block1Addr + 4 * numWord;
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const word3 = await loader.readReg(addr);
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const pkgVersion = (word3 >> 21) & 0x07;
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return pkgVersion;
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}
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async getChipRevision(loader) {
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const block1Addr = this.EFUSE_BASE + 0x044;
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const numWord = 3;
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const pos = 18;
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const addr = block1Addr + 4 * numWord;
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const ret = ((await loader.readReg(addr)) & (0x7 << pos)) >> pos;
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return ret;
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}
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async getChipDescription(loader) {
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let desc;
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const pkgVer = await this.getPkgVersion(loader);
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if (pkgVer === 0) {
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desc = "ESP32-C3";
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}
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else {
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desc = "unknown ESP32-C3";
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}
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const chip_rev = await this.getChipRevision(loader);
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desc += " (revision " + chip_rev + ")";
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return desc;
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}
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async getFlashCap(loader) {
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const numWord = 3;
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const block1Addr = this.EFUSE_BASE + 0x044;
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const addr = block1Addr + 4 * numWord;
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const registerValue = await loader.readReg(addr);
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const flashCap = (registerValue >> 27) & 0x07;
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return flashCap;
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}
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async getFlashVendor(loader) {
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const numWord = 4;
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const block1Addr = this.EFUSE_BASE + 0x044;
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const addr = block1Addr + 4 * numWord;
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const registerValue = await loader.readReg(addr);
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const vendorId = (registerValue >> 0) & 0x07;
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const vendorMap = {
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1: "XMC",
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2: "GD",
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3: "FM",
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4: "TT",
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5: "ZBIT",
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};
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return vendorMap[vendorId] || "";
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}
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async getChipFeatures(loader) {
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const features = ["Wi-Fi", "BLE"];
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const flashMap = {
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0: null,
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1: "Embedded Flash 4MB",
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2: "Embedded Flash 2MB",
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3: "Embedded Flash 1MB",
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4: "Embedded Flash 8MB",
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};
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const flashCap = await this.getFlashCap(loader);
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const flashVendor = await this.getFlashVendor(loader);
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const flash = flashMap[flashCap];
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const flashDescription = flash !== undefined ? flash : "Unknown Embedded Flash";
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if (flash !== null) {
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features.push(`${flashDescription} (${flashVendor})`);
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}
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return features;
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}
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async getCrystalFreq(loader) {
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return 40;
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}
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_d2h(d) {
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const h = (+d).toString(16);
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return h.length === 1 ? "0" + h : h;
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}
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async readMac(loader) {
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let mac0 = await loader.readReg(this.MAC_EFUSE_REG);
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mac0 = mac0 >>> 0;
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let mac1 = await loader.readReg(this.MAC_EFUSE_REG + 4);
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mac1 = (mac1 >>> 0) & 0x0000ffff;
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const mac = new Uint8Array(6);
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mac[0] = (mac1 >> 8) & 0xff;
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mac[1] = mac1 & 0xff;
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mac[2] = (mac0 >> 24) & 0xff;
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mac[3] = (mac0 >> 16) & 0xff;
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mac[4] = (mac0 >> 8) & 0xff;
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mac[5] = mac0 & 0xff;
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return (this._d2h(mac[0]) +
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":" +
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this._d2h(mac[1]) +
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":" +
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this._d2h(mac[2]) +
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":" +
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this._d2h(mac[3]) +
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":" +
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this._d2h(mac[4]) +
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":" +
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this._d2h(mac[5]));
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}
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getEraseSize(offset, size) {
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return size;
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}
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}
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