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Start of read command

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This commit is contained in:
Tim Keller 2021-10-18 04:20:26 +00:00
parent 1b4b422ab6
commit 8f6a390c36
2 changed files with 158 additions and 19 deletions
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117
src/components/ble/FSService.cpp
View File

@ -4,7 +4,7 @@
using namespace Pinetime::Controllers; using namespace Pinetime::Controllers;
constexpr ble_uuid128_t FSService::fsServiceUuid; constexpr ble_uuid16_t FSService::fsServiceUuid;
constexpr ble_uuid128_t FSService::fsVersionUuid; constexpr ble_uuid128_t FSService::fsVersionUuid;
constexpr ble_uuid128_t FSService::fsTransferUuid; constexpr ble_uuid128_t FSService::fsTransferUuid;
@ -63,6 +63,87 @@ int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
NRF_LOG_INFO("[FS_S] -> FSCommandHandler"); NRF_LOG_INFO("[FS_S] -> FSCommandHandler");
switch (command) { switch (command) {
case commands::READ: {
NRF_LOG_INFO("[FS_S] -> Read");
if (state != FSState::IDLE) {
return -1;
}
state = FSState::READ;
auto* header = (ReadHeader*) om->om_data;
uint16_t plen = header->pathlen;
if (plen > maxpathlen - 1) {
return -1;
}
memcpy(filepath, header->pathstr, plen);
filepath[plen + 1] = 0; // Copy and null teminate string
ReadResponse resp;
resp.command = commands::READ_DATA;
resp.chunkoff = header->chunkoff;
resp.status = 0x01;
struct lfs_info info = {};
int res = fs.Stat(filepath, &info);
if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
resp.status = 0x03;
resp.chunklen = 0;
resp.totallen = 0;
} else {
lfs_file f;
resp.chunklen = std::min(header->chunksize, info.size);
resp.totallen = info.size;
fs.FileOpen(&f, filepath, LFS_O_RDONLY);
fs.FileSeek(&f, header->chunkoff);
resp.chunklen = fs.FileRead(&f, resp.chunk, resp.chunklen);
fs.FileClose(&f);
}
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
if (header->chunksize >= resp.totallen) { // probably removeable...but then usafe
state = FSState::IDLE;
}
}
case commands::READ_PACING: {
NRF_LOG_INFO("[FS_S] -> ReadPacing");
if (state != FSState::READ) {
return -1;
}
auto* header = (ReadPacing*) om->om_data;
ReadResponse resp = {};
resp.command = commands::READ_DATA;
resp.chunkoff = header->chunkoff;
resp.status = 0x01;
struct lfs_info info = {};
int res = fs.Stat(filepath, &info);
if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
resp.status = 0x03;
resp.chunklen = 0;
resp.totallen = 0;
} else {
lfs_file f;
resp.chunklen = std::min(header->chunksize, info.size);
resp.totallen = info.size;
fs.FileOpen(&f, filepath, LFS_O_RDONLY);
fs.FileSeek(&f, header->chunkoff);
resp.chunklen = fs.FileRead(&f, resp.chunk, resp.chunklen);
fs.FileClose(&f);
}
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse));
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
if (resp.chunklen >= header->chunksize) { // is this right?
state = FSState::IDLE;
}
}
case commands::WRITE: {
if (state != FSState::IDLE) {
return -1;
}
}
case commands::WRITE_PACING: {
if (state != FSState::WRITE) {
return -1;
}
}
case commands::DELETE: { case commands::DELETE: {
NRF_LOG_INFO("[FS_S] -> Delete"); NRF_LOG_INFO("[FS_S] -> Delete");
auto* header = (DelHeader*) om->om_data; auto* header = (DelHeader*) om->om_data;
@ -140,7 +221,11 @@ int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
fs.DirRewind(&dir); fs.DirRewind(&dir);
while (fs.DirRead(&dir, &info)) { while (true) {
int res = fs.DirRead(&dir, &info);
if(res <= 0){
break;
}
switch (info.type) { switch (info.type) {
case LFS_TYPE_REG: { case LFS_TYPE_REG: {
resp.flags = 0; resp.flags = 0;
@ -157,9 +242,9 @@ int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
strcpy(resp.path, info.name); strcpy(resp.path, info.name);
resp.path_length = strlen(info.name); resp.path_length = strlen(info.name);
NRF_LOG_INFO("[FS_S] ->Path %s ,", info.name); NRF_LOG_INFO("[FS_S] ->Path %s ,", info.name);
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)); auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)+resp.path_length);
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
vTaskDelay(1); // Allow stuff to actually go out over the BLE conn vTaskDelay(5); // Allow stuff to actually go out over the BLE conn
resp.entry++; resp.entry++;
} }
fs.DirClose(&dir); fs.DirClose(&dir);
@ -167,7 +252,7 @@ int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
resp.path_length = 0; resp.path_length = 0;
resp.flags = 0; resp.flags = 0;
// TODO Handle Size of response better. // TODO Handle Size of response better.
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse) - 70 + resp.path_length); auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)+resp.path_length);
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
NRF_LOG_INFO("[FS_S] -> done "); NRF_LOG_INFO("[FS_S] -> done ");
break; break;
@ -175,3 +260,25 @@ int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) {
} }
return 0; return 0;
} }
// Loads resp with file data given a valid filepath header and resp
void FSService::prepareReadDataResp(ReadHeader* header, ReadResponse* resp) {
uint16_t plen = header->pathlen;
resp->command = commands::READ_DATA;
resp->chunkoff = header->chunkoff;
resp->status = 0x01;
struct lfs_info info = {};
int res = fs.Stat(filepath, &info);
if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) {
resp->status = 0x03;
resp->chunklen = 0;
resp->totallen = 0;
} else {
lfs_file f;
resp->chunklen = std::min(header->chunksize, info.size);
resp->totallen = info.size;
fs.FileOpen(&f, filepath, LFS_O_RDONLY);
fs.FileSeek(&f, header->chunkoff);
resp->chunklen = fs.FileRead(&f, resp->chunk, resp->chunklen);
fs.FileClose(&f);
}
}

52
src/components/ble/FSService.h
View File

@ -27,10 +27,10 @@ namespace Pinetime {
static constexpr uint16_t fsVersionId {0x0100}; static constexpr uint16_t fsVersionId {0x0100};
static constexpr uint16_t fsTransferId {0x0200}; static constexpr uint16_t fsTransferId {0x0200};
uint16_t fsVersion = {0x0004}; uint16_t fsVersion = {0x0004};
static constexpr uint8_t maxpathlen = 100;
static constexpr ble_uuid128_t fsServiceUuid { static constexpr ble_uuid16_t fsServiceUuid {
.u {.type = BLE_UUID_TYPE_128}, .u {.type = BLE_UUID_TYPE_16},
.value = {0x72, 0x65, 0x66, 0x73, 0x6e, 0x61, 0x72, 0x54, 0x65, 0x6c, 0x69, 0x46, 0xBB, 0xFE, 0xAF, 0xAD}}; .value = {0xFEBB}};// {0x72, 0x65, 0x66, 0x73, 0x6e, 0x61, 0x72, 0x54, 0x65, 0x6c, 0x69, 0x46, 0xBB, 0xFE, 0xAF, 0xAD}};
static constexpr ble_uuid128_t fsVersionUuid { static constexpr ble_uuid128_t fsVersionUuid {
.u {.type = BLE_UUID_TYPE_128}, .u {.type = BLE_UUID_TYPE_128},
@ -45,8 +45,6 @@ namespace Pinetime {
uint16_t versionCharacteristicHandle; uint16_t versionCharacteristicHandle;
uint16_t transferCharacteristicHandle; uint16_t transferCharacteristicHandle;
int FSCommandHandler(uint16_t connectionHandle, os_mbuf* om);
enum class commands : uint8_t { enum class commands : uint8_t {
INVALID = 0x00, INVALID = 0x00,
READ = 0x10, READ = 0x10,
@ -64,12 +62,44 @@ namespace Pinetime {
MOVE = 0x60, MOVE = 0x60,
MOVE_STATUS = 0x61 MOVE_STATUS = 0x61
}; };
enum class FSState : uint8_t {
IDLE = 0x00,
READ = 0x01,
WRITE = 0x02,
};
FSState state;
char filepath[maxpathlen]; // TODO ..ugh fixed filepath len
using ReadHeader = struct __attribute__((packed)) {
commands command;
uint8_t padding;
uint16_t pathlen;
uint32_t chunkoff;
uint32_t chunksize;
char pathstr[];
};
using ReadResponse = struct __attribute__((packed)) {
commands command;
uint8_t status;
uint16_t padding;
uint32_t chunkoff;
uint32_t totallen;
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 ListDirHeader = struct __attribute__((packed)) { using ListDirHeader = struct __attribute__((packed)) {
commands command; commands command;
uint8_t padding; uint8_t padding;
uint16_t pathlen; uint16_t pathlen;
char pathstr[70]; char pathstr[];
}; };
using ListDirResponse = struct __attribute__((packed)) { using ListDirResponse = struct __attribute__((packed)) {
@ -81,7 +111,7 @@ namespace Pinetime {
uint32_t flags; uint32_t flags;
uint32_t modification_time; uint32_t modification_time;
uint32_t file_size; uint32_t file_size;
char path[70]; char path[];
}; };
using MKDirHeader = struct __attribute__((packed)) { using MKDirHeader = struct __attribute__((packed)) {
@ -90,7 +120,7 @@ namespace Pinetime {
uint16_t pathlen; uint16_t pathlen;
uint32_t padding2; uint32_t padding2;
uint64_t time; uint64_t time;
char pathstr[70]; char pathstr[];
}; };
using MKDirResponse = struct __attribute__((packed)) { using MKDirResponse = struct __attribute__((packed)) {
@ -105,7 +135,7 @@ namespace Pinetime {
commands command; commands command;
uint8_t padding; uint8_t padding;
uint16_t pathlen; uint16_t pathlen;
char pathstr[70]; char pathstr[];
}; };
using DelResponse = struct __attribute__((packed)) { using DelResponse = struct __attribute__((packed)) {
@ -113,6 +143,8 @@ namespace Pinetime {
uint8_t status; uint8_t status;
}; };
int FSCommandHandler(uint16_t connectionHandle, os_mbuf* om);
void prepareReadDataResp(ReadHeader *header, ReadResponse *resp);
}; };
} }
} }