Diff: main.cpp

Revision:

0:9b76444f1d41

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 26 02:35:06 2015 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+
+Serial ser(p28, p27);
+LPC_UART1_TypeDef *uart = (LPC_UART1_TypeDef*)LPC_UART2;
+
+int main() {
+    int fdiv, baud;
+
+    pc.baud(115200);
+    pc.printf("Auto-baud start...\r\n");
+    myled = 1;
+
+    uart->LCR |= (1<<7);
+    uart->DLL = 0;
+    uart->DLM = 0;
+    uart->LCR &= ~(1<<7);
+    uart->FDR = 0x10;
+//    uart->ACR = (1<<9)|(1<<8)|(1<<2)|(1<<0); // Auto-baud start, mode 0
+    uart->ACR = (1<<9)|(1<<8)|(1<<2)|(1<<1)|(1<<0); // Auto-baud start, mode 1
+    while (uart->ACR & (1<<0));
+
+    uart->LCR |= (1<<7);
+    fdiv = uart->DLM * 256 + uart->DLL;
+    uart->LCR &= ~(1<<7);
+    baud = SystemCoreClock / (16 * fdiv);
+    pc.printf("Baudrate: %d\r\n", baud);
+
+    myled = 0;
+    for (;;) {
+        if (pc.readable()) {
+            ser.putc(pc.getc());
+        }
+        if (ser.readable()) {
+            pc.putc(ser.getc());
+        }
+    }
+}