Kenji Arai
You can change UART pin assign. If you define ON_THREAD_MODE, you can use the UART two channels even available hardware channel is only one.
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BLE_I2C_pin_assign
by 
Kenji Arai
Diff: main.cpp
- Revision:
- 1:f3511dc0569f
- Parent:
- 0:da7659112ca0
--- a/main.cpp Mon May 02 01:14:34 2016 +0000
+++ b/main.cpp Fri Sep 01 08:58:49 2017 +0000
@@ -1,56 +1,176 @@
/*
- * mbed Application program
- * ------- Test program for I2C pin assignment -----------------------------------------
- * Tested on Switch Science mbed TY51822r3
- * Tested LCD module AQM0802A-RN-GBW, Akizuki 8 characters X 2 lines
- * http://akizukidenshi.com/catalog/g/gP-06669/
+ * Mbed Application program
+ * ------- Test program for UART pin assignment -------
+ * Tested on Switch Science Mbed TY51822r3
+ *
+ * Copyright (c) 2016,'17 Kenji Arai / JH1PJL
+ * http://www.page.sannet.ne.jp/kenjia/index.html
+ * http://mbed.org/users/kenjiArai/
+ * Created: May 3rd, 2016 // Base:BLE_I2C_pin_assign
+ * Revised: September 1st, 2017
*
- * Copyright (c) 2016 Kenji Arai / JH1PJL
- * http://www.page.sannet.ne.jp/kenjia/index.html
- * http://mbed.org/users/kenjiArai/
- * Created: May 2nd, 2016
- * Revised: May 2nd, 2016
- *
+ */
+/*
+ /---------------------\
+ | nRF51822/TY51822r3 |
+ | |
+ | UART TX(any pin) |----------] Direct connect TX and RX line
+ | | |
+ | UART RX(any pin) |----------]
+ | |
+ \---------------------/
*/
-#include "mbed.h"
-#include "TextLCD.h"
+// Include --------------------------------------------------------------------
+#include "mbed.h"
-#define PIN_MODE 1 // 0 to 4
+// Definition -----------------------------------------------------------------
+#define ON_THREAD_MODE
+
+#define PIN_MODE 4 // Select 1 to 5 for UART pin assign
-#if (PIN_MODE == 0)
-I2C i2c(I2C_SDA0, I2C_SCL0); // SDA, SCL
-#elif (PIN_MODE == 1)
-I2C i2c(P0_0, P0_1);
-#elif (PIN_MODE == 2)
-I2C i2c(P0_28, P0_29);
-#elif (PIN_MODE == 3)
-I2C i2c(P0_3, P0_2);
-#elif (PIN_MODE == 4)
-I2C i2c(P0_2, P0_3);
-#else
-I2C i2c(I2C_SDA0, I2C_SCL0);
-#endif
+// Constructor ----------------------------------------------------------------
+#ifdef ON_THREAD_MODE // under some threads
+
+DigitalOut myled(LED1);
+Thread th0;
+Thread th1;
+Mutex mutex;
+
+#else // ON_THREAD_MODE
-TextLCD_I2C_N lcd(&i2c, ST7036_SA2, TextLCD::LCD8x2, NC, TextLCD::ST7032_3V3);
+DigitalOut myled(LED1);
+#if (PIN_MODE == 0)
+Serial uart(USBTX, USBRX);
+#elif (PIN_MODE == 1)
+Serial uart(P0_0, P0_1);
+#elif (PIN_MODE == 2)
+Serial uart(P0_28, P0_29);
+#elif (PIN_MODE == 3)
+Serial uart(P0_3, P0_2);
+#elif (PIN_MODE == 4)
+Serial uart(P0_12, P0_13);
+#elif (PIN_MODE == 5)
+Serial uart(P0_23, P0_22);
+#else // PIN_MODE
+Serial uart(USBTX, USBRX);
+#endif // PIN_MODE
+
+#endif // ON_THREAD_MODE
+// RAM ------------------------------------------------------------------------
+volatile uint32_t number = 0;
+
+// ROM / Constant data --------------------------------------------------------
+
+// Function prototypes --------------------------------------------------------
+#ifdef ON_THREAD_MODE // under some threads
+
+void pc_com_thread(void);
+void uart_com_thread(void);
+
+#endif // ON_THREAD_MODE
+
+//------------------------------------------------------------------------------
+// Control Program on RTOS(mbed-os5)
+//------------------------------------------------------------------------------
+#ifdef ON_THREAD_MODE // under some threads
+
+#warning "you are selecting this main function"
int main() {
- lcd.setCursor(TextLCD::CurOff_BlkOff);
- lcd.locate(0, 0); // 1st line top
- // 12345678
- lcd.printf("TY51822r");
- lcd.locate(0, 1); // 2nd line top
- // 12345678
- lcd.puts("Test I2C");
- lcd.setContrast(0x14);
- wait(3.0);
- uint32_t n = 0;
- uint8_t num = PIN_MODE;
- while(1) {
- lcd.locate(n%8, 1); // 2nd line top
- lcd.printf("*.......");
- lcd.locate(0, 0); // 1st line top
- lcd.printf("%u: %5u", num, n++);
- wait(1.0);
+ th0.start(pc_com_thread);
+ th1.start(uart_com_thread);
+ while(true) {
+ Thread::wait(osWaitForever);
}
}
+
+void uart_com_thread()
+{
+#if (PIN_MODE == 1)
+ Serial uart(P0_0, P0_1);
+#elif (PIN_MODE == 2)
+ Serial uart(P0_28, P0_29);
+#elif (PIN_MODE == 3)
+ Serial uart(P0_3, P0_2);
+#elif (PIN_MODE == 4)
+ Serial uart(P0_12, P0_13);
+#elif (PIN_MODE == 5)
+ Serial uart(P0_14, P0_15;
+#else
+#error "Please select 1 to 5 for PIN_MODE"
+#endif
+ // If you see LED blinking, you may have an error.
+ while(true){
+ for (char c = '!'; c < '~'; c++){
+ mutex.lock();
+ uart.putc(c);
+ Thread::wait(5); // 5 mS
+ while (uart.readable() == 0){;} // wait for loopback
+ if (uart.getc() == c){
+ ++number;
+ myled = 0;
+ } else {
+ myled = 1;
+ Thread::wait(10);
+ myled = 0;
+ }
+ mutex.unlock();
+ }
+ Thread::wait(100); // 100 mS
+ }
+}
+
+void pc_com_thread()
+{
+ uint32_t n = 0;
+
+ while(true){
+ mutex.lock();
+ Serial pc(USBTX, USBRX);
+ pc.printf("test(uart1_thread) %d\r\n", n++);
+ pc.printf("total number of TX&RX communication %d\r\n", number);
+#if (PIN_MODE == 1)
+ Serial uart(P0_0, P0_1);
+#elif (PIN_MODE == 2)
+ Serial uart(P0_28, P0_29);
+#elif (PIN_MODE == 3)
+ Serial uart(P0_3, P0_2);
+#elif (PIN_MODE == 4)
+ Serial uart(P0_12, P0_13);
+#elif (PIN_MODE == 5)
+ Serial uart(P0_14, P0_15;
+#else
+#error "Please select 1 to 5 for PIN_MODE"
+#endif
+ mutex.unlock();
+ Thread::wait(5000); // 5 sec
+ }
+}
+
+//------------------------------------------------------------------------------
+// Control Program as none RTOS mode
+//------------------------------------------------------------------------------
+#else // ON_THREAD_MODE
+
+#warning "You are selecting this main function"
+// If you see LED blinking, you may have an error.
+int main() {
+ while(true) {
+ for (char c = '!'; c < '~'; c++){
+ uart.putc(c);
+ while (uart.readable() != 0){
+ myled = !myled;
+ wait(0.2f);
+ }
+ if (uart.getc() == c){
+ myled = 0;
+ } else {
+ myled = !myled;
+ }
+ wait(0.01f);
+ }
+ }
+}
+
+#endif // ON_THREAD_MODE