From: Andy Spencer <andy753421@gmail.com>
Date: Mon, 3 Mar 2014 21:34:03 +0000 (+0000)
Subject: Add UART 1/2 testing
X-Git-Url: http://pileus.org/git/?p=~andy%2Fcsm213a-hw;a=commitdiff_plain;h=d5a9226714d158f2ac458425eba2550fd02c5cbe

Add UART 1/2 testing
---

diff --git a/hw2/main.cpp b/hw2/main.cpp
index 436f750..aac88f2 100644
--- a/hw2/main.cpp
+++ b/hw2/main.cpp
@@ -99,7 +99,7 @@ void serial_send_sync(void)
 /**
  * Output external event received message
  *   event: id of the received event
- *   time:  compensated timestamp of the event 
+ *   time:  compensated timestamp of the event
  */
 void serial_send_event(uint16_t event, ntime_t *time)
 {
@@ -116,17 +116,50 @@ void serial_receive(void)
  * Data definitions *
  ********************/
 
+// LEDs
 DigitalOut led1(LED1);
 DigitalOut led2(LED2);
 
+// UARTs         tx      rx
+Serial     uart0(USBTX,  USBRX);
+Serial     uart1(PTE0,   PTE1);
+Serial     uart2(PTE16,  PTE17);
+
 /********
  * Main *
  ********/
 
+void test_uart(void)
+{
+	char xmt[32] = "hello, world";
+	char rcv[32] = {};
+
+	printf("start\r\n");
+	for (int i = 0; xmt[i]; i++) {
+		uart1.putc(xmt[i]);
+		rcv[i] = uart2.getc();
+	}
+	printf("xmt: %s\r\n", xmt);
+	printf("rcv: %s\r\n", rcv);
+}
+
+void test_leds(void)
+{
+	led1 = 1; led2 = 0; wait(0.1);
+	led1 = 0; led2 = 1; wait(0.1);
+}
+
 int main(int argc, char **argv)
 {
-    while (1) {
-        led1 = 1; led2 = 0; wait(0.1);
-        led1 = 0; led2 = 1; wait(0.1);
-    }
+	uart0.baud(115200);
+	uart1.baud(115200);
+	uart2.baud(115200);
+
+	test_uart();
+	test_leds();
+
+	while (1) {
+		printf("tick\r\n");
+		test_leds();
+	}
 }