Diff: main.cpp

Revision:

0:c43b6919ae15

Child:

8:3b0d7b4ff28f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 10 08:48:46 2017 +0000
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2017 Helmut Tschemernjak
+ * 30826 Garbsen (Hannover) Germany
+ * Licensed under the Apache License, Version 2.0);
+ */
+ #include "main.h"
+
+
+DigitalOut myled(LED1);
+BufferedSerial *ser;
+
+int main() {
+    SystemClock_Config();
+    ser = new BufferedSerial(USBTX, USBRX);
+    ser->baud(115200*2);
+    ser->format(8);
+    ser->printf("Hello World\n\r");
+    myled = 1;
+    
+    SX1276PingPong();
+}
+
+
+
+
+void SystemClock_Config(void)
+{
+#ifdef B_L072Z_LRWAN1_LORA
+    /* 
+     * The L072Z_LRWAN1_LORA clock setup is somewhat differnt from the Nucleo board.
+     * It has no LSE.
+     */
+    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+
+    /* Enable HSE Oscillator and Activate PLL with HSE as source */
+    RCC_OscInitStruct.OscillatorType      = RCC_OSCILLATORTYPE_HSI;
+    RCC_OscInitStruct.HSEState            = RCC_HSE_OFF;
+    RCC_OscInitStruct.HSIState            = RCC_HSI_ON;
+    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+    RCC_OscInitStruct.PLL.PLLState        = RCC_PLL_ON;
+    RCC_OscInitStruct.PLL.PLLSource       = RCC_PLLSOURCE_HSI;
+    RCC_OscInitStruct.PLL.PLLMUL          = RCC_PLLMUL_6;
+    RCC_OscInitStruct.PLL.PLLDIV          = RCC_PLLDIV_3;
+
+    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+        // Error_Handler();
+    }
+
+    /* Set Voltage scale1 as MCU will run at 32MHz */
+    __HAL_RCC_PWR_CLK_ENABLE();
+    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+    /* Poll VOSF bit of in PWR_CSR. Wait until it is reset to 0 */
+    while (__HAL_PWR_GET_FLAG(PWR_FLAG_VOS) != RESET) {};
+
+    /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
+    clocks dividers */
+    RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
+        // Error_Handler();
+    }
+#endif
+}
+
+void dump(const char *title, const void *data, int len, bool dwords)
+{
+    dprintf("dump(\"%s\", 0x%x, %d bytes)", title, data, len);
+
+    int i, j, cnt;
+    unsigned char *u;
+    const int width = 16;
+    const int seppos = 7;
+
+    cnt = 0;
+    u = (unsigned char *)data;
+    while (len > 0) {
+        ser->printf("%08x: ", (unsigned int)data + cnt);
+        if (dwords) {
+            unsigned int *ip = ( unsigned int *)u;
+            ser->printf(" 0x%08x\r\n", *ip);
+            u+= 4;
+            len -= 4;
+            cnt += 4;
+            continue;
+        }
+        cnt += width;
+        j = len < width ? len : width;
+        for (i = 0; i < j; i++) {
+            ser->printf("%2.2x ", *(u + i));
+            if (i == seppos)
+                ser->putc(' ');
+        }
+        ser->putc(' ');
+        if (j < width) {
+            i = width - j;
+            if (i > seppos + 1)
+                ser->putc(' ');
+            while (i--) {
+                printf("%s", "   ");
+            }
+        }
+        for (i = 0; i < j; i++) {
+            int c = *(u + i);
+            if (c >= ' ' && c <= '~')
+                ser->putc(c);
+            else
+                ser->putc('.');
+            if (i == seppos)
+                ser->putc(' ');
+        }
+        len -= width;
+        u += width;
+        ser->printf("\r\n");
+    }
+    ser->printf("--\r\n");
+}