import { ROM } from "./rom.js"; export class ESP32H2ROM extends ROM { constructor() { super(...arguments); this.CHIP_NAME = "ESP32-H2"; this.IMAGE_CHIP_ID = 16; this.EFUSE_BASE = 0x600b0800; this.EFUSE_BLOCK1_ADDR = this.EFUSE_BASE + 0x044; this.MAC_EFUSE_REG = this.EFUSE_BASE + 0x044; this.UART_CLKDIV_REG = 0x3ff40014; this.UART_CLKDIV_MASK = 0xfffff; this.UART_DATE_REG_ADDR = 0x6000007c; this.FLASH_WRITE_SIZE = 0x400; this.BOOTLOADER_FLASH_OFFSET = 0x0; this.FLASH_SIZES = { "1MB": 0x00, "2MB": 0x10, "4MB": 0x20, "8MB": 0x30, "16MB": 0x40, }; this.SPI_REG_BASE = 0x60002000; this.SPI_USR_OFFS = 0x18; this.SPI_USR1_OFFS = 0x1c; this.SPI_USR2_OFFS = 0x20; this.SPI_MOSI_DLEN_OFFS = 0x24; this.SPI_MISO_DLEN_OFFS = 0x28; this.SPI_W0_OFFS = 0x58; this.USB_RAM_BLOCK = 0x800; this.UARTDEV_BUF_NO_USB = 3; this.UARTDEV_BUF_NO = 0x3fcef14c; } async getPkgVersion(loader) { const numWord = 4; return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 0) & 0x07; } async getMinorChipVersion(loader) { const numWord = 3; return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 18) & 0x07; } async getMajorChipVersion(loader) { const numWord = 3; return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 21) & 0x03; } async getChipDescription(loader) { const pkgVer = await this.getPkgVersion(loader); let desc; if (pkgVer === 0) { desc = "ESP32-H2"; } else { desc = "unknown ESP32-H2"; } const majorRev = await this.getMajorChipVersion(loader); const minorRev = await this.getMinorChipVersion(loader); return `${desc} (revision v${majorRev}.${minorRev})`; } async getChipFeatures(loader) { return ["BT 5 (LE)", "IEEE802.15.4", "Single Core", "96MHz"]; } async getCrystalFreq(loader) { // ESP32H2 XTAL is fixed to 32MHz return 32; } _d2h(d) { const h = (+d).toString(16); return h.length === 1 ? "0" + h : h; } async postConnect(loader) { const bufNo = (await loader.readReg(this.UARTDEV_BUF_NO)) & 0xff; loader.debug("In _post_connect " + bufNo); if (bufNo == this.UARTDEV_BUF_NO_USB) { loader.ESP_RAM_BLOCK = this.USB_RAM_BLOCK; } } async readMac(loader) { let mac0 = await loader.readReg(this.MAC_EFUSE_REG); mac0 = mac0 >>> 0; let mac1 = await loader.readReg(this.MAC_EFUSE_REG + 4); mac1 = (mac1 >>> 0) & 0x0000ffff; const mac = new Uint8Array(6); mac[0] = (mac1 >> 8) & 0xff; mac[1] = mac1 & 0xff; mac[2] = (mac0 >> 24) & 0xff; mac[3] = (mac0 >> 16) & 0xff; mac[4] = (mac0 >> 8) & 0xff; mac[5] = mac0 & 0xff; return (this._d2h(mac[0]) + ":" + this._d2h(mac[1]) + ":" + this._d2h(mac[2]) + ":" + this._d2h(mac[3]) + ":" + this._d2h(mac[4]) + ":" + this._d2h(mac[5])); } getEraseSize(offset, size) { return size; } }