Nguyen Minh Tan
TanNM
Dependencies: BSP_DISCO_F746NG
Revision 3:d7624177cb9f, committed 2020-03-03
- Comitter:
- tannm
- Date:
- Tue Mar 03 11:35:25 2020 +0000
- Parent:
- 2:e72bc303ea90
- Commit message:
- TanNM
Changed in this revision
diff -r e72bc303ea90 -r d7624177cb9f BSP_DISCO_F746NG.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BSP_DISCO_F746NG.lib Tue Mar 03 11:35:25 2020 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/teams/ST/code/BSP_DISCO_F746NG/#85dbcff443aa
diff -r e72bc303ea90 -r d7624177cb9f main.cpp
--- a/main.cpp Mon Jun 26 09:28:54 2017 +0000
+++ b/main.cpp Tue Mar 03 11:35:25 2020 +0000
@@ -1,54 +1,173 @@
-#if !FEATURE_LWIP
- #error [NOT_SUPPORTED] LWIP not supported for this target
-#endif
+//#if !FEATURE_LWIP
+// #error [NOT_SUPPORTED] LWIP not supported for this target
+//#endif
#include "mbed.h"
#include "EthernetInterface.h"
#include "TCPServer.h"
#include "TCPSocket.h"
-#define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
-#define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
-#define HTTP_MESSAGE_BODY "" \
-"<html>" "\r\n" \
-" <body style=\"display:flex;text-align:center\">" "\r\n" \
-" <div style=\"margin:auto\">" "\r\n" \
-" <h1>Hello World</h1>" "\r\n" \
-" <p>It works !</p>" "\r\n" \
-" </div>" "\r\n" \
-" </body>" "\r\n" \
-"</html>"
+#include "stm32746g_discovery_audio.h"
+#include "stm32746g_discovery_sdram.h"
+
+typedef enum {
+ BUFFER_OFFSET_NONE = 0,
+ BUFFER_OFFSET_HALF = 1,
+ BUFFER_OFFSET_FULL = 2,
+} BUFFER_StateTypeDef;
+
+#define AUDIO_BLOCK_SIZE ((uint32_t)4096)
+#define AUDIO_BUFFER_IN SDRAM_DEVICE_ADDR
+#define AUDIO_BUFFER_OUT (AUDIO_BUFFER_IN + (AUDIO_BLOCK_SIZE * 2))
+//#define NETWORK_BUFFER (AUDIO_BUFFER_OUT + (AUDIO_BLOCK_SIZE * 2))
+
+char temp[AUDIO_BLOCK_SIZE];
+
+volatile uint32_t audio_rec_buffer_state = BUFFER_OFFSET_NONE;
+Serial pc(USBTX, USBRX);
+Mutex mutex;
+ConditionVariable cond(mutex);
+bool done = false;
-#define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n" \
- HTTP_HEADER_FIELDS "\r\n" \
- "\r\n" \
- HTTP_MESSAGE_BODY "\r\n"
+void tcp_thread(TCPSocket * send_socket)
+{
+ while (true) {
+ mutex.lock();
+ do {
+ // Wait for a condition to change (network_buffer full)
+// pc.printf("Waiting for condition on mutex ...\n");
+ cond.wait();
+ } while (!done);
+// pc.printf("sending data over ethernet ...\n");
+ int ret = send_socket->send((void *)(temp), AUDIO_BLOCK_SIZE);
+ pc.printf("ret = %d\n", ret);
+ done = false;
+ mutex.unlock();
+ }
+
+ pc.printf("Worker: Exiting\r\n");
+ mutex.unlock();
+}
+
+TCPServer srv;
+TCPSocket clt_sock;
+SocketAddress clt_addr;
+EthernetInterface eth;
int main()
{
- printf("Basic HTTP server example\n");
-
- EthernetInterface eth;
+ pc.baud(115200);
+ Timer t;
+ // ======================================= setup network ==============================
+ eth.set_network("192.168.10.10", "255.255.255.0", "192.168.10.1");
eth.connect();
- printf("The target IP address is '%s'\n", eth.get_ip_address());
-
- TCPServer srv;
- TCPSocket clt_sock;
- SocketAddress clt_addr;
-
+ pc.printf("The target IP address is '%s'\n", eth.get_ip_address());
+
/* Open the server on ethernet stack */
srv.open(ð);
/* Bind the HTTP port (TCP 80) to the server */
- srv.bind(eth.get_ip_address(), 80);
+ srv.bind(eth.get_ip_address(), 8000);
/* Can handle 5 simultaneous connections */
srv.listen(5);
+ // ======================== audio part ============================
+ pc.printf("\n\nAUDIO LOOPBACK EXAMPLE START:\n");
+
+// BSP_AUDIO_IN_OUT_Init(INPUT_DEVICE_DIGITAL_MICROPHONE_2, OUTPUT_DEVICE_HEADPHONE, DEFAULT_AUDIO_IN_FREQ, DEFAULT_AUDIO_IN_BIT_RESOLUTION, DEFAULT_AUDIO_IN_CHANNEL_NBR);
+ BSP_AUDIO_IN_OUT_Init(INPUT_DEVICE_DIGITAL_MICROPHONE_2, OUTPUT_DEVICE_HEADPHONE, DEFAULT_AUDIO_IN_FREQ, DEFAULT_AUDIO_IN_BIT_RESOLUTION, 1);
+
+ /* Initialize SDRAM buffers */
+ BSP_SDRAM_Init();
+ memset((void *)AUDIO_BUFFER_IN, 0, AUDIO_BLOCK_SIZE * 2);
+ memset((void *)AUDIO_BUFFER_OUT, 0, AUDIO_BLOCK_SIZE * 2);
+// memset((void *)NETWORK_BUFFER, 0, AUDIO_BLOCK_SIZE * 2);
+ pc.printf("SDRAM init done\n");
+
+ audio_rec_buffer_state = BUFFER_OFFSET_NONE;
+
+ /* Start Recording */
+ if (BSP_AUDIO_IN_Record((uint16_t *)AUDIO_BUFFER_IN, AUDIO_BLOCK_SIZE) != AUDIO_OK) {
+ pc.printf("BSP_AUDIO_IN_Record error\n");
+ }
+
+ /* Start Playback */
+ BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02);
+ if (BSP_AUDIO_OUT_Play((uint16_t *)AUDIO_BUFFER_OUT, AUDIO_BLOCK_SIZE * 2) != AUDIO_OK) {
+ pc.printf("BSP_AUDIO_OUT_Play error\n");
+ }
+
+ int ret;
+
while (true) {
srv.accept(&clt_sock, &clt_addr);
- printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
- clt_sock.send(HTTP_RESPONSE, strlen(HTTP_RESPONSE));
+ pc.printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
+
+// Thread thread;
+// thread.start(callback(tcp_thread, &clt_sock));
+
+ int sleep_ms = 20;
+
+ while (1) {
+ /* Wait end of half block recording */
+ t.start();
+ while (audio_rec_buffer_state != BUFFER_OFFSET_HALF) {
+ wait_ms(sleep_ms);
+ }
+ t.stop();
+ printf("t = %f\n", t.read());
+ t.reset();
+
+ audio_rec_buffer_state = BUFFER_OFFSET_NONE;
+
+ /* Copy recorded 1st half block */
+ memcpy((void *)(AUDIO_BUFFER_OUT), (void *)(AUDIO_BUFFER_IN), AUDIO_BLOCK_SIZE);
+
+// mutex.lock();
+// memcpy((void *)temp, (void *)(AUDIO_BUFFER_IN), AUDIO_BLOCK_SIZE);
+// done = true;
+// cond.notify_all();
+// mutex.unlock();
+
+ memcpy((void *)temp, (void *)(AUDIO_BUFFER_IN), AUDIO_BLOCK_SIZE);
+ int ret = clt_sock.send((void *)(temp), AUDIO_BLOCK_SIZE);
+ pc.printf("ret = %d\n", ret);
+
+ /* Wait end of one block recording */
+ while (audio_rec_buffer_state != BUFFER_OFFSET_FULL) {
+ wait_ms(sleep_ms);
+ }
+ audio_rec_buffer_state = BUFFER_OFFSET_NONE;
+
+ /* Copy recorded 2nd half block */
+ memcpy((void *)(AUDIO_BUFFER_OUT + (AUDIO_BLOCK_SIZE)), (void *)(AUDIO_BUFFER_IN + (AUDIO_BLOCK_SIZE)), AUDIO_BLOCK_SIZE);
+
+ memcpy((void *)temp, (void *)(AUDIO_BUFFER_IN + AUDIO_BLOCK_SIZE), AUDIO_BLOCK_SIZE);
+ ret = clt_sock.send((void *)(temp), AUDIO_BLOCK_SIZE);
+ pc.printf("ret = %d\n", ret);
+
+// mutex.lock();
+// memcpy((void *)temp, (void *)(AUDIO_BUFFER_IN + AUDIO_BLOCK_SIZE), AUDIO_BLOCK_SIZE);
+// done = true;
+// cond.notify_all();
+// mutex.unlock();
+ }
}
}
+
+void BSP_AUDIO_IN_TransferComplete_CallBack(void)
+{
+ audio_rec_buffer_state = BUFFER_OFFSET_FULL;
+}
+
+void BSP_AUDIO_IN_HalfTransfer_CallBack(void)
+{
+ audio_rec_buffer_state = BUFFER_OFFSET_HALF;
+}
+
+void BSP_AUDIO_IN_Error_CallBack(void)
+{
+ printf("BSP_AUDIO_IN_Error_CallBack\n");
+}
diff -r e72bc303ea90 -r d7624177cb9f mbed-os.lib --- a/mbed-os.lib Mon Jun 26 09:28:54 2017 +0000 +++ b/mbed-os.lib Tue Mar 03 11:35:25 2020 +0000 @@ -1,1 +1,1 @@ -https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2 +https://github.com/ARMmbed/mbed-os/#e642a7d8b3609a7c903e042cd772f00a5d299088