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Use _ prefix o uavcan files in ROMFS , simplify upgrade

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This commit is contained in:
David Sidrane
2015-11-21 06:17:27 -10:00
parent c0ef1a9dcb
commit 31a773e3ce
3 changed files with 21 additions and 21 deletions
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src/modules/uavcan/uavcan_servers.cpp
+16 -17
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@@ -886,14 +886,15 @@ void UavcanServers::unpackFwFromROMFS(const char* sd_path, const char* romfs_pat
/fs/microsd/fw
- /c
- - /1a2b3c4d.bin cache file (copy of /fs/microsd/fw/org.pixhawk.nodename-v1/1.1/1a2b3c4d.bin)
- /org.pixhawk.nodename-v1 device directory for org.pixhawk.nodename-v1
- - /1.0 version directory for hardware 1.0
- - /1.1 version directory for hardware 1.1
- - - /1a2b3c4d.bin firmware file for org.pixhawk.nodename-v1 nodes, hardware version 1.1
- /com.example.othernode-v3 device directory for com.example.othernode-v3
- - /1.0 version directory for hardawre 1.0
- - - /deadbeef.bin firmware file for com.example.othernode-v3, hardware version 1.0
- /nodename-v1-1.0.25d0137d.bin cache file (copy of /fs/microsd/fw/org.pixhawk.nodename-v1/1.1/nodename-v1-1.0.25d0137d.bin)
- /othernode-v3-1.6.25d0137d.bin cache file (copy of /fs/microsd/fw/com.example.othernode-v3/1.6/othernode-v3-1.6.25d0137d.bin)
- /org.pixhawk.nodename-v1 device directory for org.pixhawk.nodename-v1
- - /1.0 version directory for hardware 1.0
- - /1.1 version directory for hardware 1.1
- - - /nodename-v1-1.0.25d0137d.bin firmware file for org.pixhawk.nodename-v1 nodes, hardware version 1.1
- /com.example.othernode-v3 device directory for com.example.othernode-v3
- - /1.0 version directory for hardawre 1.0
- - - /othernode-v3-1.6.25d0137d.bin firmware file for com.example.othernode-v3, hardware version 1.6
The ROMFS directory structure is the same, but located at /etc/uavcan/fw
@@ -1037,7 +1038,7 @@ void UavcanServers::unpackFwFromROMFS(const char* sd_path, const char* romfs_pat
continue;
}
if (!memcmp(&fw_dirent->d_name[sizeof(UAVCAN_ROMFS_FW_PREFIX) - 1], src_fw_dirent->d_name, fw_len)) {
if (!memcmp(&fw_dirent->d_name, src_fw_dirent->d_name, fw_len)) {
/*
* Exact match between SD card filename and ROMFS filename; must be the same version
* so don't bother deleting and rewriting it.
@@ -1048,14 +1049,13 @@ void UavcanServers::unpackFwFromROMFS(const char* sd_path, const char* romfs_pat
size_t dstpath_fw_len = dstpath_ver_len + sizeof(UAVCAN_ROMFS_FW_PREFIX) + fw_len;
if (dstpath_fw_len > maxlen) {
// sizeof(prefix) includes trailing NUL, cancelling out the +1 for the path separator
warnx("unlink: path '%s/%s%s' too long", dstpath, UAVCAN_ROMFS_FW_PREFIX, fw_dirent->d_name);
warnx("unlink: path '%s/%s' too long", dstpath, fw_dirent->d_name);
} else {
// File name starts with "romfs_", delete it.
// File name starts with "_", delete it.
dstpath[dstpath_ver_len] = '/';
memcpy(&dstpath[dstpath_ver_len + 1], fw_dirent->d_name, fw_len + 1);
unlink(dstpath);
warnx("unlink: removed '%s/%s%s'", dstpath, UAVCAN_ROMFS_FW_PREFIX, fw_dirent->d_name);
warnx("unlink: removed '%s/%s'", dstpath, fw_dirent->d_name);
}
} else {
// User file, don't copy firmware
@@ -1068,20 +1068,19 @@ void UavcanServers::unpackFwFromROMFS(const char* sd_path, const char* romfs_pat
// If we need to, copy the file from ROMFS to the SD card
if (copy_fw) {
size_t srcpath_fw_len = srcpath_ver_len + 1 + fw_len;
size_t dstpath_fw_len = dstpath_ver_len + sizeof(UAVCAN_ROMFS_FW_PREFIX) + fw_len;
size_t dstpath_fw_len = dstpath_ver_len + fw_len;
if (srcpath_fw_len > maxlen) {
warnx("copy: srcpath '%s/%s' too long", srcpath, src_fw_dirent->d_name);
} else if (dstpath_fw_len > maxlen) {
warnx("copy: dstpath '%s/%s%s' too long", dstpath, UAVCAN_ROMFS_FW_PREFIX, src_fw_dirent->d_name);
warnx("copy: dstpath '%s/%s' too long", dstpath, src_fw_dirent->d_name);
} else {
// All OK, make the paths and copy the file
srcpath[srcpath_ver_len] = '/';
memcpy(&srcpath[srcpath_ver_len + 1], src_fw_dirent->d_name, fw_len + 1);
dstpath[dstpath_ver_len] = '/';
memcpy(&dstpath[dstpath_ver_len + 1], UAVCAN_ROMFS_FW_PREFIX, sizeof(UAVCAN_ROMFS_FW_PREFIX));
memcpy(&dstpath[dstpath_ver_len + sizeof(UAVCAN_ROMFS_FW_PREFIX)], src_fw_dirent->d_name, fw_len + 1);
memcpy(&dstpath[dstpath_ver_len], src_fw_dirent->d_name, fw_len + 1);
rv = copyFw(dstpath, srcpath);
if (rv != 0) {