update

.clang-format

@@ -0,0 +1,5 @@
+# Defines the Chromium style for automatic reformatting.
+# http://clang.llvm.org/docs/ClangFormatStyleOptions.html
+Language: Cpp
+BasedOnStyle: Google
+ColumnLimit: 300

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "*.tcc": "cpp",
+        "ostream": "cpp"
+    }
+}

README.md

@@ -2,5 +2,6 @@
 
 
 ```
+uart_read_test_main.out
 
 ```

uart_read_test_main.cpp

@@ -14,10 +14,25 @@
 #include <string.h>
 #include <termios.h>
 #include <unistd.h>
+//
+#include <map>
+#include <set>
+#include <string>
 
 #include "uart.h"
 
 #define MAX_RECV_SIZE 235
+using namespace std;
+map<string, uint32_t> g_baundmap = {
+    {"0", 0000000},       {"50", 0000001},      {"75", 0000002},      {"110", 0000003},      //
+    {"134", 0000004},     {"150", 0000005},     {"200", 0000006},     {"300", 0000007},      //
+    {"600", 0000010},     {"1200", 0000011},    {"1800", 0000012},    {"2400", 0000013},     //
+    {"4800", 0000014},    {"9600", 0000015},    {"19200", 0000016},   {"38400", 0000017},    //
+    {"57600", 0010001},   {"115200", 0010002},  {"230400", 0010003},  {"460800", 0010004},   //
+    {"500000", 0010005},  {"576000", 0010006},  {"921600", 0010007},  {"1000000", 0010010},  //
+    {"1152000", 0010011}, {"1500000", 0010012}, {"2000000", 0010013}, {"2500000", 0010014},  //
+    {"3000000", 0010015}, {"3500000", 0010016}, {"4000000", 0010017},
+};
 
 void openuart(struct UartDevice *device, char *devname, int rate) {
   device->name = devname;
@@ -33,33 +48,32 @@ void openuart(struct UartDevice *device, char *devname, int rate) {
 
 int main(int argc, char *argv[]) {
   struct UartDevice dev = {0};
-  // struct UartDevice dev2 = {0};
-
-  if (argc != 2) {
-    printf("Usage:%s dev1\n", argv[0]);
-    // printf("Demo:%s /dev/ttyUSB0 /dev/ttyUSB1\n", argv[0]);
-    exit(-1);
+  if (argc != 3) {
+    printf("Usage: %s /dev/ttyUSB0 115200\n", argv[0]);
+    return -1;
   }
+  printf("device name:%s\n", argv[1]);
+  printf("baundrate  :%s\n", argv[2]);
+
+  auto baundrate_find_result = g_baundmap.find(argv[2]);
+  if (baundrate_find_result == g_baundmap.end()) {
+    printf("unsupport baundrate\n");
+    return -1;
+  };
 
-  openuart(&dev, argv[1], B9600);
-  // openuart(&dev, argv[1], B115200);
-  // openuart(&dev2, argv[2], B9600);
+  openuart(&dev, argv[1], baundrate_find_result->second);
   char buf[1024] = {0};
   memset(buf, 0x55, 1024);
   for (size_t i = 0;; i++) {
     int ret1, ret2;
-    ret1 = uartReceive(&dev, buf, 2/*接收的字节数2-1*/);  // send the received text over UART
+    ret1 = uartReceive(&dev, buf, 2 /*接收的字节数2-1*/);  // send the received text over UART
     if (ret1 != 0) {
-      // printf("receive %d %x characters %d\n", ret1, buf[0], i);
-        printf("%x\n", buf[0]);
-
-      if (buf[0] != 0x12 && buf[0] != 0x34 && buf[0] != 0x56 &&
-          buf[0] != 0x78 && buf[0] != 0x9a) {
-        printf("....................................................%x\n", buf[0]);
-      }
+      printf("%x", buf[0]);
+    }
+    fflush(stdout);
+    if (i % 20 == 0) {
+      printf("\n");
     }
-    //  ret2 = uartSend(&dev2, buf, 1);  // send the received text over UART
-    // usleep(1*1000);
   }
 
   while (1) {

uart_write_test_main.cpp

@@ -16,8 +16,23 @@
 #include <unistd.h>
 
 #include "uart.h"
+//
+#include <map>
+#include <set>
+#include <string>
 
 #define MAX_RECV_SIZE 235
+using namespace std;
+map<string, uint32_t> g_baundmap = {
+    {"0", 0000000},       {"50", 0000001},      {"75", 0000002},      {"110", 0000003},      //
+    {"134", 0000004},     {"150", 0000005},     {"200", 0000006},     {"300", 0000007},      //
+    {"600", 0000010},     {"1200", 0000011},    {"1800", 0000012},    {"2400", 0000013},     //
+    {"4800", 0000014},    {"9600", 0000015},    {"19200", 0000016},   {"38400", 0000017},    //
+    {"57600", 0010001},   {"115200", 0010002},  {"230400", 0010003},  {"460800", 0010004},   //
+    {"500000", 0010005},  {"576000", 0010006},  {"921600", 0010007},  {"1000000", 0010010},  //
+    {"1152000", 0010011}, {"1500000", 0010012}, {"2000000", 0010013}, {"2500000", 0010014},  //
+    {"3000000", 0010015}, {"3500000", 0010016}, {"4000000", 0010017},
+};
 
 void openuart(struct UartDevice *device, char *devname, int rate) {
   device->name = devname;
@@ -33,24 +48,28 @@ void openuart(struct UartDevice *device, char *devname, int rate) {
 
 int main(int argc, char *argv[]) {
   struct UartDevice dev = {0};
-  // struct UartDevice dev2 = {0};
-
-  if (argc != 2) {
-    printf("Usage:%s dev1\n", argv[0]);
-    // printf("Demo:%s /dev/ttyUSB0 /dev/ttyUSB1\n", argv[0]);
-    exit(-1);
+  if (argc != 3) {
+    printf("Usage: %s /dev/ttyUSB0 115200\n", argv[0]);
+    return -1;
   }
+  printf("device name:%s\n", argv[1]);
+  printf("baundrate  :%s\n", argv[2]);
+
+  auto baundrate_find_result = g_baundmap.find(argv[2]);
+  if (baundrate_find_result == g_baundmap.end()) {
+    printf("unsupport baundrate\n");
+    return -1;
+  };
 
   openuart(&dev, argv[1], B9600);
   // openuart(&dev2, argv[2], B9600);
   char buf[1024] = {0x55};
   memset(buf, 0x55, 1024);
   for (size_t i = 0;; i++) {
-    int ret1, ret2;
+    int ret1;
     ret1 = uartSend(&dev, buf, 1);  // send the received text over UART
-    //  ret2 = uartSend(&dev2, buf, 1);  // send the received text over UART
-    printf("send %d  %d characters %d\n", ret1, ret2, i);
-    usleep(1*1000);
+    printf("send %d characters %d\n", ret1, i);
+    usleep(1 * 1000);
   }
 
   while (1) {