Merge pull request #756 from geekbozu/BLE_FS
BLE FS Using adafruits Simple (not fast) BLE FS Apimain
JF
GitHub
commit
bccd77d5c9
@ -0,0 +1,330 @@
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#include <nrf_log.h>
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#include "FSService.h"
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#include "components/ble/BleController.h"
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#include "systemtask/SystemTask.h"
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using namespace Pinetime::Controllers;
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constexpr ble_uuid16_t FSService::fsServiceUuid;
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constexpr ble_uuid128_t FSService::fsVersionUuid;
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constexpr ble_uuid128_t FSService::fsTransferUuid;
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int FSServiceCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
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auto* fsService = static_cast<FSService*>(arg);
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return fsService->OnFSServiceRequested(conn_handle, attr_handle, ctxt);
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}
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FSService::FSService(Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::FS& fs)
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: systemTask {systemTask},
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fs {fs},
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characteristicDefinition {{.uuid = &fsVersionUuid.u,
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.access_cb = FSServiceCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_READ,
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.val_handle = &versionCharacteristicHandle},
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{
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.uuid = &fsTransferUuid.u,
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.access_cb = FSServiceCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
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.val_handle = &transferCharacteristicHandle,
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},
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{0}},
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serviceDefinition {
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{/* Device Information Service */
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.type = BLE_GATT_SVC_TYPE_PRIMARY,
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.uuid = &fsServiceUuid.u,
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.characteristics = characteristicDefinition},
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{0},
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} {
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}
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void FSService::Init() {
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int res = 0;
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res = ble_gatts_count_cfg(serviceDefinition);
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ASSERT(res == 0);
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res = ble_gatts_add_svcs(serviceDefinition);
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ASSERT(res == 0);
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}
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int FSService::OnFSServiceRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context) {
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if (attributeHandle == versionCharacteristicHandle) {
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NRF_LOG_INFO("FS_S : handle = %d", versionCharacteristicHandle);
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int res = os_mbuf_append(context->om, &fsVersion, sizeof(fsVersion));
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return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
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}
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if (attributeHandle == transferCharacteristicHandle) {
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return FSCommandHandler(connectionHandle, context->om);
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}
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return 0;
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}
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int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
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auto command = static_cast<commands>(om->om_data[0]);
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NRF_LOG_INFO("[FS_S] -> FSCommandHandler Command %d", command);
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// Just always make sure we are awake...
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systemTask.PushMessage(Pinetime::System::Messages::StartFileTransfer);
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vTaskDelay(10);
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while (systemTask.IsSleeping()) {
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vTaskDelay(100); // 50ms
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}
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lfs_dir_t dir = {0};
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lfs_info info = {0};
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lfs_file f = {0};
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switch (command) {
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case commands::READ: {
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NRF_LOG_INFO("[FS_S] -> Read");
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auto* header = (ReadHeader*) om->om_data;
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uint16_t plen = header->pathlen;
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if (plen > maxpathlen) { //> counts for null term
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return -1;
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}
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memcpy(filepath, header->pathstr, plen);
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filepath[plen] = 0; // Copy and null teminate string
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ReadResponse resp;
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os_mbuf* om;
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resp.command = commands::READ_DATA;
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resp.status = 0x01;
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resp.chunkoff = header->chunkoff;
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int res = fs.Stat(filepath, &info);
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if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
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resp.status = (int8_t) res;
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resp.chunklen = 0;
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resp.totallen = 0;
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om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
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} else {
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resp.chunklen = std::min(header->chunksize, info.size); // TODO add mtu somehow
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resp.totallen = info.size;
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fs.FileOpen(&f, filepath, LFS_O_RDONLY);
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fs.FileSeek(&f, header->chunkoff);
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uint8_t fileData[resp.chunklen] = {0};
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resp.chunklen = fs.FileRead(&f, fileData, resp.chunklen);
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om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
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os_mbuf_append(om, fileData, resp.chunklen);
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fs.FileClose(&f);
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}
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::READ_PACING: {
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NRF_LOG_INFO("[FS_S] -> Readpacing");
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auto* header = (ReadHeader*) om->om_data;
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ReadResponse resp;
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resp.command = commands::READ_DATA;
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resp.status = 0x01;
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resp.chunkoff = header->chunkoff;
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int res = fs.Stat(filepath, &info);
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if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
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resp.status = (int8_t) res;
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resp.chunklen = 0;
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resp.totallen = 0;
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} else {
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resp.chunklen = std::min(header->chunksize, info.size); // TODO add mtu somehow
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resp.totallen = info.size;
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fs.FileOpen(&f, filepath, LFS_O_RDONLY);
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fs.FileSeek(&f, header->chunkoff);
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}
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os_mbuf* om;
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if (resp.chunklen > 0) {
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uint8_t fileData[resp.chunklen] = {0};
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resp.chunklen = fs.FileRead(&f, fileData, resp.chunklen);
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om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
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os_mbuf_append(om, fileData, resp.chunklen);
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} else {
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resp.chunklen = 0;
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om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
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}
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fs.FileClose(&f);
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::WRITE: {
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NRF_LOG_INFO("[FS_S] -> Write");
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auto* header = (WriteHeader*) om->om_data;
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uint16_t plen = header->pathlen;
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if (plen > maxpathlen) { //> counts for null term
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return -1; // TODO make this actually return a BLE notif
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}
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memcpy(filepath, header->pathstr, plen);
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filepath[plen] = 0; // Copy and null teminate string
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fileSize = header->totalSize;
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WriteResponse resp;
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resp.command = commands::WRITE_PACING;
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resp.offset = header->offset;
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resp.modTime = 0;
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int res = fs.FileOpen(&f, filepath, LFS_O_RDWR | LFS_O_CREAT);
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if (res == 0) {
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fs.FileClose(&f);
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resp.status = (res == 0) ? 0x01 : (int8_t) res;
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}
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resp.freespace = std::min(fs.getSize() - (fs.GetFSSize() * fs.getBlockSize()), fileSize - header->offset);
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(WriteResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::WRITE_DATA: {
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NRF_LOG_INFO("[FS_S] -> WriteData");
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auto* header = (WritePacing*) om->om_data;
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WriteResponse resp;
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resp.command = commands::WRITE_PACING;
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resp.offset = header->offset;
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int res = 0;
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if (!(res = fs.FileOpen(&f, filepath, LFS_O_RDWR | LFS_O_CREAT))) {
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if ((res = fs.FileSeek(&f, header->offset)) >= 0) {
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res = fs.FileWrite(&f, header->data, header->dataSize);
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}
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fs.FileClose(&f);
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}
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if (res < 0) {
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resp.status = (int8_t) res;
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}
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resp.freespace = std::min(fs.getSize() - (fs.GetFSSize() * fs.getBlockSize()), fileSize - header->offset);
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(WriteResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::DELETE: {
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NRF_LOG_INFO("[FS_S] -> Delete");
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auto* header = (DelHeader*) om->om_data;
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uint16_t plen = header->pathlen;
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char path[plen + 1] = {0};
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memcpy(path, header->pathstr, plen);
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path[plen] = 0; // Copy and null teminate string
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DelResponse resp {};
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resp.command = commands::DELETE_STATUS;
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int res = fs.FileDelete(path);
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resp.status = (res == 0) ? 0x01 : (int8_t) res;
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(DelResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::MKDIR: {
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NRF_LOG_INFO("[FS_S] -> MKDir");
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auto* header = (MKDirHeader*) om->om_data;
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uint16_t plen = header->pathlen;
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char path[plen + 1] = {0};
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memcpy(path, header->pathstr, plen);
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path[plen] = 0; // Copy and null teminate string
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MKDirResponse resp {};
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resp.command = commands::MKDIR_STATUS;
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resp.modification_time = 0;
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int res = fs.DirCreate(path);
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resp.status = (res == 0) ? 0x01 : (int8_t) res;
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(MKDirResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::LISTDIR: {
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NRF_LOG_INFO("[FS_S] -> ListDir");
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ListDirHeader* header = (ListDirHeader*) om->om_data;
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uint16_t plen = header->pathlen;
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char path[plen + 1] = {0};
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path[plen] = 0; // Copy and null teminate string
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memcpy(path, header->pathstr, plen);
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ListDirResponse resp {};
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resp.command = commands::LISTDIR_ENTRY;
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resp.status = 0x01;
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resp.totalentries = 0;
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resp.entry = 0;
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resp.modification_time = 0;
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int res = fs.DirOpen(path, &dir);
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if (res != 0) {
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resp.status = (int8_t) res;
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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};
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while (fs.DirRead(&dir, &info)) {
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resp.totalentries++;
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}
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fs.DirRewind(&dir);
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while (true) {
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res = fs.DirRead(&dir, &info);
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if (res <= 0) {
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break;
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}
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switch (info.type) {
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case LFS_TYPE_REG: {
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resp.flags = 0;
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resp.file_size = info.size;
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break;
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}
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case LFS_TYPE_DIR: {
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resp.flags = 1;
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resp.file_size = 0;
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break;
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}
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}
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// strcpy(resp.path, info.name);
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resp.path_length = strlen(info.name);
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse));
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os_mbuf_append(om, info.name, resp.path_length);
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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/*
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* Todo Figure out how to know when the previous Notify was TX'd
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* For now just delay 100ms to make sure that the data went out...
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*/
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vTaskDelay(100); // Allow stuff to actually go out over the BLE conn
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resp.entry++;
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}
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assert(fs.DirClose(&dir) == 0);
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resp.file_size = 0;
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resp.path_length = 0;
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resp.flags = 0;
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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break;
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}
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case commands::MOVE: {
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NRF_LOG_INFO("[FS_S] -> Move");
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MoveHeader* header = (MoveHeader*) om->om_data;
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uint16_t plen = header->OldPathLength;
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// Null Terminate string
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header->pathstr[plen] = 0;
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char path[header->NewPathLength + 1] = {0};
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memcpy(path, &header->pathstr[plen + 1], header->NewPathLength);
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path[header->NewPathLength] = 0; // Copy and null teminate string
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MoveResponse resp {};
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resp.command = commands::MOVE_STATUS;
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int8_t res = (int8_t) fs.Rename(header->pathstr, path);
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resp.status = (res == 0) ? 1 : res;
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auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(MoveResponse));
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ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
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}
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default:
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break;
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}
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NRF_LOG_INFO("[FS_S] -> done ");
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systemTask.PushMessage(Pinetime::System::Messages::StopFileTransfer);
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return 0;
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}
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// Loads resp with file data given a valid filepath header and resp
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void FSService::prepareReadDataResp(ReadHeader* header, ReadResponse* resp) {
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// uint16_t plen = header->pathlen;
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resp->command = commands::READ_DATA;
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resp->chunkoff = header->chunkoff;
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resp->status = 0x01;
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struct lfs_info info = {};
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int res = fs.Stat(filepath, &info);
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if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
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resp->status = 0x03;
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resp->chunklen = 0;
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resp->totallen = 0;
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} else {
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lfs_file f;
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resp->chunklen = std::min(header->chunksize, info.size);
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resp->totallen = info.size;
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fs.FileOpen(&f, filepath, LFS_O_RDONLY);
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fs.FileSeek(&f, header->chunkoff);
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resp->chunklen = fs.FileRead(&f, resp->chunk, resp->chunklen);
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fs.FileClose(&f);
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}
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}
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@ -0,0 +1,191 @@
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#pragma once
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#define min // workaround: nimble's min/max macros conflict with libstdc++
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#define max
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#include <host/ble_gap.h>
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#undef max
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#undef min
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#include "components/fs/FS.h"
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namespace Pinetime {
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namespace System {
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class SystemTask;
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}
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namespace Controllers {
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class Ble;
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class FSService {
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public:
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FSService(Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::FS& fs);
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void Init();
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int OnFSServiceRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context);
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void NotifyFSRaw(uint16_t connectionHandle);
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private:
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Pinetime::System::SystemTask& systemTask;
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Pinetime::Controllers::FS& fs;
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static constexpr uint16_t FSServiceId {0xFEBB};
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static constexpr uint16_t fsVersionId {0x0100};
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static constexpr uint16_t fsTransferId {0x0200};
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uint16_t fsVersion = {0x0004};
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static constexpr uint16_t maxpathlen = 256;
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static constexpr ble_uuid16_t fsServiceUuid {
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.u {.type = BLE_UUID_TYPE_16},
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.value = {0xFEBB}}; // {0x72, 0x65, 0x66, 0x73, 0x6e, 0x61, 0x72, 0x54, 0x65, 0x6c, 0x69, 0x46, 0xBB, 0xFE, 0xAF, 0xAD}};
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static constexpr ble_uuid128_t fsVersionUuid {
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.u {.type = BLE_UUID_TYPE_128},
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.value = {0x72, 0x65, 0x66, 0x73, 0x6e, 0x61, 0x72, 0x54, 0x65, 0x6c, 0x69, 0x46, 0x00, 0x01, 0xAF, 0xAD}};
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static constexpr ble_uuid128_t fsTransferUuid {
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.u {.type = BLE_UUID_TYPE_128},
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.value = {0x72, 0x65, 0x66, 0x73, 0x6e, 0x61, 0x72, 0x54, 0x65, 0x6c, 0x69, 0x46, 0x00, 0x02, 0xAF, 0xAD}};
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struct ble_gatt_chr_def characteristicDefinition[3];
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struct ble_gatt_svc_def serviceDefinition[2];
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uint16_t versionCharacteristicHandle;
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uint16_t transferCharacteristicHandle;
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enum class commands : uint8_t {
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INVALID = 0x00,
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READ = 0x10,
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READ_DATA = 0x11,
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READ_PACING = 0x12,
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WRITE = 0x20,
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WRITE_PACING = 0x21,
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WRITE_DATA = 0x22,
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DELETE = 0x30,
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DELETE_STATUS = 0x31,
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MKDIR = 0x40,
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MKDIR_STATUS = 0x41,
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LISTDIR = 0x50,
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LISTDIR_ENTRY = 0x51,
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MOVE = 0x60,
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MOVE_STATUS = 0x61
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};
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enum class FSState : uint8_t {
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IDLE = 0x00,
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READ = 0x01,
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WRITE = 0x02,
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};
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FSState state;
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char filepath[maxpathlen]; // TODO ..ugh fixed filepath len
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int fileSize;
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using ReadHeader = struct __attribute__((packed)) {
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commands command;
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uint8_t padding;
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uint16_t pathlen;
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uint32_t chunkoff;
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uint32_t chunksize;
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char pathstr[];
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};
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using ReadResponse = struct __attribute__((packed)) {
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commands command;
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uint8_t status;
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uint16_t padding;
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uint32_t chunkoff;
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uint32_t totallen;
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uint32_t chunklen;
|
||||
uint8_t chunk[];
|
||||
};
|
||||
using ReadPacing = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
uint16_t padding;
|
||||
uint32_t chunkoff;
|
||||
uint32_t chunksize;
|
||||
};
|
||||
|
||||
using WriteHeader = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t padding;
|
||||
uint16_t pathlen;
|
||||
uint32_t offset;
|
||||
uint64_t modTime;
|
||||
uint32_t totalSize;
|
||||
char pathstr[];
|
||||
};
|
||||
|
||||
using WriteResponse = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
uint16_t padding;
|
||||
uint32_t offset;
|
||||
uint64_t modTime;
|
||||
uint32_t freespace;
|
||||
};
|
||||
|
||||
using WritePacing = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
uint16_t padding;
|
||||
uint32_t offset;
|
||||
uint32_t dataSize;
|
||||
uint8_t data[];
|
||||
};
|
||||
using ListDirHeader = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t padding;
|
||||
uint16_t pathlen;
|
||||
char pathstr[];
|
||||
};
|
||||
|
||||
using ListDirResponse = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
uint16_t path_length;
|
||||
uint32_t entry;
|
||||
uint32_t totalentries;
|
||||
uint32_t flags;
|
||||
uint64_t modification_time;
|
||||
uint32_t file_size;
|
||||
char path[];
|
||||
};
|
||||
|
||||
using MKDirHeader = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t padding;
|
||||
uint16_t pathlen;
|
||||
uint32_t padding2;
|
||||
uint64_t time;
|
||||
char pathstr[];
|
||||
};
|
||||
|
||||
using MKDirResponse = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
uint32_t padding1;
|
||||
uint16_t padding2;
|
||||
uint64_t modification_time;
|
||||
};
|
||||
|
||||
using DelHeader = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t padding;
|
||||
uint16_t pathlen;
|
||||
char pathstr[];
|
||||
};
|
||||
|
||||
using DelResponse = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
};
|
||||
using MoveHeader = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t padding;
|
||||
uint16_t OldPathLength;
|
||||
uint16_t NewPathLength;
|
||||
char pathstr[];
|
||||
};
|
||||
|
||||
using MoveResponse = struct __attribute__((packed)) {
|
||||
commands command;
|
||||
uint8_t status;
|
||||
};
|
||||
|
||||
int FSCommandHandler(uint16_t connectionHandle, os_mbuf* om);
|
||||
void prepareReadDataResp(ReadHeader* header, ReadResponse* resp);
|
||||
};
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue