262 lines
14 KiB
JavaScript
262 lines
14 KiB
JavaScript
export default class ESP8266ROM {
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static CHIP_NAME = "ESP8266";
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static CHIP_DETECT_MAGIC_VALUE = [0xfff0c101];
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static EFUSE_RD_REG_BASE = 0x3ff00050;
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static UART_CLKDIV_REG = 0x60000014;
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static UART_CLKDIV_MASK = 0xFFFFF;
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static XTAL_CLK_DIVIDER = 2;
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static FLASH_WRITE_SIZE = 0x4000;
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static BOOTLOADER_FLASH_OFFSET = 0;
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static FLASH_SIZES = {
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'512KB': 0x00,
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'256KB': 0x10,
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'1MB': 0x20,
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'2MB': 0x30,
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'4MB': 0x40,
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'2MB-c1': 0x50,
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'4MB-c1': 0x60,
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'8MB': 0x80,
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'16MB': 0x90
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};
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static SPI_REG_BASE = 0x60000200;
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static SPI_USR_OFFS = 0x1c;
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static SPI_USR1_OFFS = 0x20;
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static SPI_USR2_OFFS = 0x24;
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static SPI_MOSI_DLEN_OFFS = null;
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static SPI_MISO_DLEN_OFFS = null;
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static SPI_W0_OFFS = 0x40;
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static TEXT_START = 0x4010e000;
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static ENTRY = 0x4010e004;
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static DATA_START = 0x3fffaca8;
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static ROM_DATA =
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"" +
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"CIH+PwUFBAACAwcAAwMLAFHnEECH5xBAtecQQFToEEAF9xBAuugQQBDpEEBc6RBA" +
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"BfcQQCLqEECf6hBAYOsQQAX3EEAF9xBA+OsQQAX3EEDX7hBAn+8QQNjvEEAF9xBA" +
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"BfcQQHXwEEAF9xBAW/EQQAHyEEBA8xBA//MQQND0EEAF9xBABfcQQAX3EEAF9xBA" +
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"/vUQQAX3EED09hBAL+0QQCfoEEBC9RBAS+oQQJjpEEAF9xBAiPYQQM/2EEAF9xBA" +
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"BfcQQAX3EEAF9xBABfcQQAX3EEAF9xBABfcQQMDpEED/6RBAWvUQQAEAAAACAAAA" +
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"AwAAAAQAAAAFAAAABwAAAAkAAAANAAAAEQAAABkAAAAhAAAAMQAAAEEAAABhAAAA" +
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"gQAAAMEAAAABAQAAgQEAAAECAAABAwAAAQQAAAEGAAABCAAAAQwAAAEQAAABGAAA" +
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"ASAAAAEwAAABQAAAAWAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAABAAAA" +
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"AgAAAAIAAAADAAAAAwAAAAQAAAAEAAAABQAAAAUAAAAGAAAABgAAAAcAAAAHAAAA" +
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"CAAAAAgAAAAJAAAACQAAAAoAAAAKAAAACwAAAAsAAAAMAAAADAAAAA0AAAANAAAA" +
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"AAAAAAAAAAADAAAABAAAAAUAAAAGAAAABwAAAAgAAAAJAAAACgAAAAsAAAANAAAA" +
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"DwAAABEAAAATAAAAFwAAABsAAAAfAAAAIwAAACsAAAAzAAAAOwAAAEMAAABTAAAA" +
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"YwAAAHMAAACDAAAAowAAAMMAAADjAAAAAgEAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" +
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"AAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAQAAAAEAAAABAAAAAgAAAAIAAAACAAAA" +
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"AgAAAAMAAAADAAAAAwAAAAMAAAAEAAAABAAAAAQAAAAEAAAABQAAAAUAAAAFAAAA" +
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"BQAAAAAAAAAAAAAAAAAAABAREgAIBwkGCgULBAwDDQIOAQ8AAQEAAAEAAAAEAAAA";
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static ROM_TEXT =
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"" +
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"H4sIAE9Bw2ICA41ZC1gTV74/M0kGLAMkQVmXpHXmgOQhqZmJClhYkgARH7SKn1R3" +
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"110Gd6PXT7aKdrG9eEtBo9uytzyqtX5uN6DX9tp25dO+7ra9jVgi9uLWR6+rVVqk" +
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"L/WuGtHyCCTn/mfiq3b33ub7TiZz5v//n9//ef5n8ooWOSlCPOsQQk1Pk4J4ihTU" +
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"1SG0EYbTiVCJixQ8D/PCCNEfDHHcOlpSbfqGEvdFt1WrFtwgrkEi3CAwb59eN2dR" +
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"gEMrVO4JyGm/YSh0Om/AvXsRmjkDrrgQ4QlI+B+gvZHdUsB/TYSviesimSkqTAu+" +
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"JqZteh+SPzBhUcPXEpWHlm+WyDcWlXCWzMSsCn6LZShe0B/UJoaQPxGh7YAPPR0t" +
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"eKTENfuV10jBbhjmPq3zbyNaJ4tQBSEgVCtLppSvRtBN65R/whP5CrxqGFoTQuMV" +
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"+mQky4mHuXfgioA+xwL2eQ7mGkiBFsZrML9zHymw/4EUbIHrdgPIiQfmcQjNT4Kh" +
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"JciWSL2tAH+DCF8Rq0tm9eQDEKmDCJ8TmTDNcUEVyAx8s5/m+jmpl+RTad4lTGlS" +
|
|
"aCpH/bvyt9tpkuZYrGpsZ9XuqtTLavn0jFwnyCWSVrREXXyN5CfZKM2XZFOIlCbl" +
|
|
"U8dsHLVTwfIRudST5l3M8FtJGvS7pvfeFw6R+VmBNGi4sqEh/Yz4LhG3H7lLV/F/" +
|
|
"JlpcRwWUv31oIv2Z4MRVWm9dDlMch4b6dYMPJ7n2w3qXpuFCZLgSvEbEfdHsloOZ" +
|
|
"D1v4DeRYPidz18ncxRcIv17xUtenZNM3YC7qv4blGqxB0lpSZktTjPNm96N5NHOG" +
|
|
"BK8S1Nz2fQcupd3+gFk1a2tSj8jqoa9laYuqtj8xlKnXZGJdMAG5/WdtmllbLSy2" +
|
|
"qKBzhSA3bY1n9RaVTQ2edvt7awdmbU2QJyARYKZ2QA6At9LtVfT8QafzunPWm5b5" +
|
|
"RQE0Xn5Dx9LZM9R2b8CAQ9BCCK6EovIPo9kzKAMGpsbWxFD2DJbVKxGEUNHscjtL" +
|
|
"J4beSjfPH4hJ+tFtSdkibccBEOH+kJSrSew2MdSz8C5GWch459cfjuMcT0Pvo0yI" +
|
|
"bcqT/wWthFLmqB8AAA==";
|
|
|
|
static read_efuse = async (loader, offset) => {
|
|
var addr = this.EFUSE_RD_REG_BASE + (4 * offset);
|
|
console.log("Read efuse " + addr);
|
|
return await loader.read_reg({addr: addr});
|
|
}
|
|
|
|
static get_chip_description = async (loader) => {
|
|
var efuse3 = await this.read_efuse(loader, 2);
|
|
var efuse0 = await this.read_efuse(loader, 0);
|
|
|
|
var is_8285 = ((efuse0 & (1 << 4)) | (efuse3 & (1 << 16))) != 0; // One or the other efuse bit is set for ESP8285
|
|
return is_8285 ? "ESP8285" : "ESP8266EX";
|
|
}
|
|
|
|
static get_chip_features = async (loader) => {
|
|
var features = ["WiFi"]
|
|
if (await this.get_chip_description(loader) == "ESP8285")
|
|
features.push("Embedded Flash");
|
|
return features;
|
|
}
|
|
|
|
static get_crystal_freq = async (loader) => {
|
|
var uart_div = await loader.read_reg({addr: this.UART_CLKDIV_REG}) & this.UART_CLKDIV_MASK;
|
|
var ets_xtal = (loader.transport.baudrate * uart_div) / 1000000 / this.XTAL_CLK_DIVIDER;
|
|
var norm_xtal;
|
|
if (ets_xtal > 33) {
|
|
norm_xtal = 40;
|
|
} else {
|
|
norm_xtal = 26;
|
|
}
|
|
if (Math.abs(norm_xtal - ets_xtal) > 1) {
|
|
loader.log("WARNING: Detected crystal freq " + ets_xtal + "MHz is quite different to normalized freq " + norm_xtal + "MHz. Unsupported crystal in use?");
|
|
}
|
|
return norm_xtal;
|
|
}
|
|
|
|
static _d2h(d) {
|
|
var h = (+d).toString(16);
|
|
return h.length === 1 ? '0' + h: h;
|
|
}
|
|
|
|
static read_mac = async (loader) => {
|
|
var mac0 = await this.read_efuse(loader, 0);
|
|
mac0 = mac0 >>> 0;
|
|
var mac1 = await this.read_efuse(loader, 1);
|
|
mac1 = mac1 >>> 0;
|
|
var mac3 = await this.read_efuse(loader, 3);
|
|
mac3 = mac3 >>> 0;
|
|
var mac = new Uint8Array(6);
|
|
|
|
if (mac3 != 0) {
|
|
mac[0] = (mac3 >> 16) & 0xff;
|
|
mac[1] = (mac3 >> 8) & 0xff;
|
|
mac[2] = mac3 & 0xff;
|
|
}
|
|
else if (((mac1 >> 16) & 0xff) == 0) {
|
|
mac[0] = 0x18;
|
|
mac[1] = 0xfe;
|
|
mac[2] = 0x34;
|
|
}
|
|
else if (((mac1 >> 16) & 0xff) == 1) {
|
|
mac[0] = 0xac;
|
|
mac[1] = 0xd0;
|
|
mac[2] = 0x74;
|
|
}
|
|
else {
|
|
loader.log("Unknown OUI");
|
|
}
|
|
|
|
mac[3] = (mac1 >> 8) & 0xff;
|
|
mac[4] = mac1 & 0xff;
|
|
mac[5] = (mac0 >> 24) & 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]));
|
|
}
|
|
|
|
static get_erase_size = function(offset, size) {
|
|
return size;
|
|
}
|
|
}
|