Daiki Kato
Web Camera for mbed-os. When you use this program, we judge you have agreed to the following contents. https://developer.mbed.org/teams/Renesas/wiki/About-LICENSE
Dependencies: HttpServer_snapshot_mbed-os LWIPBP3595Interface_STA_for_mbed-os RomRamBlockDevice mbed-rpc
Fork of
GR-Boards_WebCamera
by 
Renesas
このサンプルは 「GR-LYCHEE」ではじめる電子工作 で紹介しています。
出版時と内容が異ならないよう、各ライブラリはアップデートせずに使用してください。
このサンプルの最新バージョンは下記から入手できます。最新バージョンは本の内容と一部処理が異なります。
https://github.com/d-kato/GR-Boards_WebCamera
Revision 1:ebff3aeb40a0, committed 2015-10-09
- Comitter:
- dkato
- Date:
- Fri Oct 09 08:26:51 2015 +0000
- Parent:
- 0:c5448e500c90
- Child:
- 2:82a6d79d05f0
- Commit message:
- bug fix. Capture timing of JCU.
Changed in this revision
--- a/GR-PEACH_video.lib Fri Aug 21 02:15:59 2015 +0000 +++ b/GR-PEACH_video.lib Fri Oct 09 08:26:51 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/teams/Renesas/code/GR-PEACH_video/#853f5b7408a7 +http://developer.mbed.org/teams/Renesas/code/GR-PEACH_video/#fe90cfd5fe25
--- a/GraphicsFramework.lib Fri Aug 21 02:15:59 2015 +0000 +++ b/GraphicsFramework.lib Fri Oct 09 08:26:51 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/teams/Renesas/code/GraphicsFramework/#37e1e6a45ced +http://developer.mbed.org/teams/Renesas/code/GraphicsFramework/#7b90e31adc5b
--- a/R_BSP.lib Fri Aug 21 02:15:59 2015 +0000 +++ b/R_BSP.lib Fri Oct 09 08:26:51 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/teams/Renesas/code/R_BSP/#1390bfcb667c +http://developer.mbed.org/teams/Renesas/code/R_BSP/#aa1fc6a5cc2a
--- a/main.cpp Fri Aug 21 02:15:59 2015 +0000
+++ b/main.cpp Fri Oct 09 08:26:51 2015 +0000
@@ -51,8 +51,20 @@
static uint8_t FrameBuffer_Video[VIDEO_BUFFER_STRIDE * VIDEO_BUFFER_HEIGHT]__attribute((section("NC_BSS"),aligned(16))); //16 bytes aligned!;
static volatile int32_t vsync_count = 0;
static volatile int32_t vfield_count = 1;
-static uint8_t JpegBuffer[1024 * 20]__attribute((section("NC_BSS"),aligned(8))); //8 bytes aligned!;
+static uint8_t JpegBuffer[2][1024 * 50]__attribute((section("NC_BSS"),aligned(8))); //8 bytes aligned!;
+static size_t jcu_encode_size[2];
static int image_change = 0;
+JPEG_Converter Jcu;
+static int jcu_buf_index_write = 0;
+static int jcu_buf_index_write_done = 0;
+static int jcu_buf_index_read = 0;
+static int jcu_encoding = 0;
+
+static void JcuEncodeCallBackFunc(JPEG_Converter::jpeg_conv_error_t err_code) {
+ jcu_buf_index_write_done = jcu_buf_index_write;
+ image_change = 1;
+ jcu_encoding = 0;
+}
static void IntCallbackFunc_Vfield(DisplayBase::int_type_t int_type) {
//Interrupt callback function
@@ -60,7 +72,31 @@
vfield_count = 0;
} else {
vfield_count = 1;
- image_change = 1;
+
+ JPEG_Converter::bitmap_buff_info_t bitmap_buff_info;
+ JPEG_Converter::encode_options_t encode_options;
+
+ bitmap_buff_info.width = PIXEL_HW;
+ bitmap_buff_info.height = PIXEL_VW;
+ bitmap_buff_info.format = JPEG_Converter::WR_RD_YCbCr422;
+ bitmap_buff_info.buffer_address = (void *)FrameBuffer_Video;
+
+ encode_options.encode_buff_size = sizeof(JpegBuffer[0]);
+ encode_options.p_EncodeCallBackFunc = &JcuEncodeCallBackFunc;
+
+ jcu_encoding = 1;
+ if (jcu_buf_index_read == jcu_buf_index_write) {
+ if (jcu_buf_index_write != 0) {
+ jcu_buf_index_write = 0;
+ } else {
+ jcu_buf_index_write = 1;
+ }
+ }
+ jcu_encode_size[jcu_buf_index_write] = 0;
+ if (Jcu.encode(&bitmap_buff_info, JpegBuffer[jcu_buf_index_write], &jcu_encode_size[jcu_buf_index_write], &encode_options) != JPEG_Converter::JPEG_CONV_OK) {
+ jcu_encode_size[jcu_buf_index_write] = 0;
+ jcu_encoding = 0;
+ }
}
}
@@ -209,31 +245,18 @@
}
static int snapshot_req(const char ** pp_data) {
- JPEG_Converter Jcu;
- size_t encode_size;
- JPEG_Converter::bitmap_buff_info_t bitmap_buff_info;
- JPEG_Converter::encode_options_t encode_options;
+ int encode_size;
- while ((vfield_count == 0) || (image_change == 0)) {
+ while ((jcu_encoding == 1) || (image_change == 0)) {
Thread::wait(1);
}
+ jcu_buf_index_read = jcu_buf_index_write_done;
image_change = 0;
- bitmap_buff_info.width = PIXEL_HW;
- bitmap_buff_info.height = PIXEL_VW;
- bitmap_buff_info.format = JPEG_Converter::WR_RD_YCbCr422;
- bitmap_buff_info.buffer_address = (void *)FrameBuffer_Video;
-
- encode_options.encode_buff_size = sizeof(JpegBuffer);
+ *pp_data = (const char *)JpegBuffer[jcu_buf_index_read];
+ encode_size = (int)jcu_encode_size[jcu_buf_index_read];
- if (Jcu.encode(&bitmap_buff_info, JpegBuffer, &encode_size, &encode_options) == JPEG_Converter::JPEG_CONV_OK) {
- *pp_data = (const char *)JpegBuffer;
- } else {
- *pp_data = NULL;
- encode_size = 0;
- }
-
- return (int)encode_size;
+ return encode_size;
}
static void TerminalWrite(Arguments* arg, Reply* r) {
@@ -279,8 +302,8 @@
RPCFunction rpcFunc(TerminalWrite, "TerminalWrite");
printf("EthernetInterface Setting up...\r\n");
- if (eth.init() != 0) { //for DHCP Server
-// if (eth.init("192.168.0.2","255.255.255.0","192.168.0.3") != 0) { //for Static IP Address (IPAddress, NetMasks, Gateway)
+// if (eth.init() != 0) { //for DHCP Server
+ if (eth.init("192.168.0.2","255.255.255.0","192.168.0.3") != 0) { //for Static IP Address (IPAddress, NetMasks, Gateway)
printf("EthernetInterface Initialize Error \r\n");
return -1;
}
--- a/mbed-rtos.lib Fri Aug 21 02:15:59 2015 +0000 +++ b/mbed-rtos.lib Fri Oct 09 08:26:51 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/users/mbed_official/code/mbed-rtos/#21b438192b0f +http://developer.mbed.org/users/mbed_official/code/mbed-rtos/#9d001ed5feec