From d58ef632fb361620b59ec2886bf1d03f7a9c0799 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Wed, 3 Feb 2016 21:06:23 +0100 Subject: Async write requests for bigger transfer sizes Signed-off-by: Paul Kocialkowski --- src/download.c | 26 ++++++++++++++++++++++++++ src/download.h | 9 +++++++++ src/lg-downloader.c | 2 +- 3 files changed, 36 insertions(+), 1 deletion(-) diff --git a/src/download.c b/src/download.c index b810a91..21df17d 100644 --- a/src/download.c +++ b/src/download.c @@ -195,6 +195,32 @@ int download_ready_read(struct context *context, off_t address, size_t length) return 0; } +int download_write_async(struct context *context, void *buffer, size_t length) +{ + struct download_write_async_request request; + struct download_response response; + int rc; + + memset(&request, 0, sizeof(request)); + request.command = DOWNLOAD_WRITE_ASYNC; + request.total_length = htole32(length); + request.length = htole32(length); + + rc = hdlc_send(context, &request, sizeof(request)); + if (rc < 0) + return -1; + + rc = download_response(context); + if (rc < 0) + return -1; + + rc = usb_send(context, buffer, length); + if (rc < 0) + return -1; + + return 0; +} + int download_reset(struct context *context) { int rc; diff --git a/src/download.h b/src/download.h index fc215a6..c1554cb 100644 --- a/src/download.h +++ b/src/download.h @@ -93,6 +93,14 @@ struct download_ready_read_request { uint32_t length; } __attribute__((__packed__)); +struct download_write_async_request { + uint8_t command; + uint8_t binary_type; + uint16_t reserved; + uint32_t total_length; + uint32_t length; +} __attribute__((__packed__)); + struct download_response { uint8_t ack; } __attribute__((__packed__)); @@ -107,6 +115,7 @@ int download_erase(struct context *context, off_t address, size_t length); int download_read(struct context *context, void *buffer, size_t length); int download_initialize_partition(struct context *context, off_t address, size_t length); int download_ready_read(struct context *context, off_t address, size_t length); +int download_write_async(struct context *context, void *buffer, size_t length); int download_reset(struct context *context); int download_notify_start_dl(struct context *context); diff --git a/src/lg-downloader.c b/src/lg-downloader.c index d9cfd3a..8e1e6a6 100644 --- a/src/lg-downloader.c +++ b/src/lg-downloader.c @@ -190,7 +190,7 @@ int flash(struct context *context) p += rc; } - rc = download_write(context, buffer, address, GPT_BLOCK_SIZE); + rc = download_write_async(context, buffer, GPT_BLOCK_SIZE); if (rc < 0) goto error; -- cgit v1.2.3