Edoardo De Marchi
Test MLDP code for Microchip RN4020 BLE
Dependencies: mbed-src mbed-rtos MODSERIAL
Revision 0:49a7ebfbee00, committed 2017-05-13
- Comitter:
- edodm85
- Date:
- Sat May 13 11:11:00 2017 +0000
- Child:
- 1:2b5aaaddd35e
- Commit message:
- Init version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MODSERIAL.lib Sat May 13 11:11:00 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/MODSERIAL/#ae0408ebdd68
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat May 13 11:11:00 2017 +0000
@@ -0,0 +1,214 @@
+/*
+ * Author: Edoardo De Marchi
+ * Date: 17-05-13
+ * Notes: Test code for Microcip RN4020 BLE
+*/
+
+
+#include "main.h"
+
+
+// Send command to ble
+void send_cmd(char* cmd)
+{
+ ble_rn.printf("%s", cmd);
+}
+
+
+
+// write to phone via bluetooth
+void write_characteristic(char* data, int length)
+{
+ memset(buffer, 0, sizeof(buffer));
+ sprintf(buffer, "SUW,%s,%s\n", uuidR, data);
+ send_cmd(buffer);
+}
+
+
+
+// init ble
+void setup_ble()
+{
+ // Set the WAKE_SW pin high to enter Command mode.
+ wakeSw = 1;
+ wakeHw = 0;
+
+ // enable Command Mode
+ cmdMldp = 0; // (0 --> CMD, 1 --> MLDP)
+
+
+ // reset to the factory default configuration
+ send_cmd("SF,1\n");
+ osDelay(500);
+ pc.printf("SF,1\n");
+
+
+ // sets the services supported
+ send_cmd("SS,C0000001\n"); // Private Service + Device Information
+ osDelay(500);
+ pc.printf("SS,C0000001\n");
+
+
+ // sets the supported features of current RN4020 module
+ send_cmd("SR,20002000\n"); // Auto Advertise-Server Only
+ osDelay(500);
+ pc.printf("SR,20002000\n");
+
+
+ // sets the device name
+ send_cmd("SN,RN4020\n");
+ osDelay(500);
+ pc.printf("SN,RN4020\n");
+
+
+ // Clear private service
+ send_cmd("PZ\n");
+ osDelay(500);
+ pc.printf("PZ\n");
+
+
+ // Set private service UUID
+ memset(buffer, 0, sizeof(buffer));
+ sprintf(buffer, "PS,%s\n", suuid);
+ send_cmd(buffer);
+ osDelay(500);
+ pc.printf("%s", buffer);
+
+
+ // Set private characteristic UUID Read/Notify
+ memset(buffer, 0, sizeof(buffer));
+ sprintf(buffer, "PC,%s,12,14\n", uuidR); // Read + Notify 10010b = 12hex and maximum data size of 20 bytes
+ send_cmd(buffer);
+ osDelay(500);
+ pc.printf("%s", buffer);
+
+
+ // Set private characteristic UUID Write
+ memset(buffer, 0, sizeof(buffer));
+ sprintf(buffer, "PC,%s,08,14\n", uuidW); // Write 1000b = 08hex and maximum data size of 20 bytes
+ send_cmd(buffer);
+ osDelay(500);
+ pc.printf("%s", buffer);
+
+
+ // reboot the RN4020 module and to make the new settings effective
+ send_cmd("R,1\n");
+ osDelay(500);
+ pc.printf("R,1\n");
+
+
+ // Start advertising
+ send_cmd("A\n");
+ osDelay(500);
+ pc.printf("A\n");
+
+
+ osDelay(2000);
+
+
+ // Show list of Services
+ send_cmd("LS\n");
+ osDelay(500);
+ pc.printf("LS\n");
+
+
+ start_ble = true;
+}
+
+
+
+// This function is called when a character goes into the RX buffer.
+void rxBleCallback(MODSERIAL_IRQ_INFO *q)
+{
+ led2 = 1;
+ new_from_ble = true;
+}
+
+// This function is called when a character goes into the RX buffer.
+void rxPcCallback(MODSERIAL_IRQ_INFO *q)
+{
+ led3 = 1;
+ new_from_pc = true;
+}
+
+
+
+// read from BLE
+void read_thread(void const *argument)
+{
+ while (true)
+ {
+ if(new_from_ble)
+ {
+ memset(blueChar, 0, sizeof(blueChar));
+
+ int i = 0;
+ while(ble_rn.readable())
+ {
+ blueChar[i] = ble_rn.getc();
+ i++;
+ }
+ if(i > 0)
+ {
+ printf("%s", blueChar);
+ new_from_ble = false;
+ }
+
+ led2 = 0;
+ }
+ }
+}
+
+
+
+
+
+
+int main()
+{
+
+ ble_rn.baud(115200);
+ pc.baud(115200);
+
+ ble_rn.attach(&rxBleCallback);
+ pc.attach(&rxPcCallback);
+
+ osThreadCreate(osThread(read_thread), NULL);
+
+ pc.printf("Bluetooth Start\r\n");
+
+ // Init device
+ setup_ble();
+
+
+ int i = 0;
+
+ while(1)
+ {
+ if(new_from_pc)
+ {
+ // receive from PC uart
+ int i = 0;
+ while(pc.readable())
+ {
+ pcChar[i] = pc.getc();
+ i++;
+ }
+
+ printf("Received from PC: %s", pcChar);
+
+ // send to ble
+ write_characteristic(pcChar, i);
+ memset(pcChar, 0, sizeof(pcChar));
+ new_from_pc = false;
+ led3 = 0;
+ }
+ osDelay(100);
+ i++;
+ if(i == 5)
+ {
+ led1 = !led1;
+ i=0;
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.h Sat May 13 11:11:00 2017 +0000 @@ -0,0 +1,51 @@ +/* +RN4020 - mbed +vcc - 3.3V +gnd - gnd +rx - tx(p28) +tx - rx(p27) +wake_hw - p5 +cmd/mldp - p6 +wake_sw - p7 +*/ + + + +#include "mbed.h" +#include "MODSERIAL.h" +#include "cmsis_os.h" + + +MODSERIAL pc(USBTX, USBRX); +MODSERIAL ble_rn(p28, p27); + +DigitalOut led1(LED1); +DigitalOut led2(LED2); +DigitalOut led3(LED3); +DigitalOut led4(LED4); + +DigitalOut wakeHw(p5); +DigitalOut cmdMldp(p6); +DigitalOut wakeSw(p7); + + +// UUID +char suuid[] = "00035b0058e607dd021a08123a000300"; // service +char uuidR[] = "00035b0258e607dd021a08123a000300"; // read +char uuidW[] = "00035b0358e607dd021a08123a000300"; // write + +bool new_from_pc = false; +bool new_from_ble = false; +bool start_ble = false; +char pcChar[20]; +char blueChar[20]; +char blueCharTemp[20]; +char buffer[200]; + + + +//THREAD +void read_thread(void const *argument); +osThreadId tencid; +osThreadDef(read_thread, osPriorityNormal, DEFAULT_STACK_SIZE); +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Sat May 13 11:11:00 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#cb1d43beeb70
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-src.lib Sat May 13 11:11:00 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-src/#4abd2456cfa5