r g / Mbed 2 deprecated DISCO-L072CZ-LRWAN1_LoRa_PingPong

us915 ch 9 20dbm

Dependencies:   BufferedSerial SX1276GenericLib-us915 mbed

Fork of DISCO-L072CZ-LRWAN1_LoRa_PingPong by ST

main.cpp@13:c59b169baa4f, 2017-08-29 (annotated)

Committer:
rgilson
Date:
Tue Aug 29 14:21:08 2017 +0000
Revision:
13:c59b169baa4f
Parent:
12:f125aac4914a 
us915 ch9 20dbm

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Helmut64 0:c43b6919ae15 1 /*
Helmut64 0:c43b6919ae15 2 * Copyright (c) 2017 Helmut Tschemernjak
Helmut64 0:c43b6919ae15 3 * 30826 Garbsen (Hannover) Germany
Helmut64 0:c43b6919ae15 4 * Licensed under the Apache License, Version 2.0);
Helmut64 0:c43b6919ae15 5 */
Helmut64 0:c43b6919ae15 6 #include "main.h"
Helmut64 0:c43b6919ae15 7
Helmut64 0:c43b6919ae15 8 DigitalOut myled(LED1);
Helmut64 0:c43b6919ae15 9 BufferedSerial *ser;
Helmut64 0:c43b6919ae15 10
Helmut64 0:c43b6919ae15 11 int main() {
Helmut64 0:c43b6919ae15 12 SystemClock_Config();
Helmut64 0:c43b6919ae15 13 ser = new BufferedSerial(USBTX, USBRX);
rgilson 12:f125aac4914a 14 ser->baud(115200);
Helmut64 0:c43b6919ae15 15 ser->format(8);
Helmut64 0:c43b6919ae15 16 ser->printf("Hello World\n\r");
Helmut64 0:c43b6919ae15 17 myled = 1;
Helmut64 0:c43b6919ae15 18
Helmut64 0:c43b6919ae15 19 SX1276PingPong();
Helmut64 0:c43b6919ae15 20 }
Helmut64 0:c43b6919ae15 21
Helmut64 0:c43b6919ae15 22
Helmut64 0:c43b6919ae15 23
Helmut64 0:c43b6919ae15 24
Helmut64 0:c43b6919ae15 25 void SystemClock_Config(void)
Helmut64 0:c43b6919ae15 26 {
Helmut64 0:c43b6919ae15 27 #ifdef B_L072Z_LRWAN1_LORA
Helmut64 0:c43b6919ae15 28 /*
Helmut64 0:c43b6919ae15 29 * The L072Z_LRWAN1_LORA clock setup is somewhat differnt from the Nucleo board.
Helmut64 0:c43b6919ae15 30 * It has no LSE.
Helmut64 0:c43b6919ae15 31 */
Helmut64 0:c43b6919ae15 32 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
Helmut64 0:c43b6919ae15 33 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
Helmut64 0:c43b6919ae15 34
Helmut64 0:c43b6919ae15 35 /* Enable HSE Oscillator and Activate PLL with HSE as source */
Helmut64 0:c43b6919ae15 36 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
Helmut64 0:c43b6919ae15 37 RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
Helmut64 0:c43b6919ae15 38 RCC_OscInitStruct.HSIState = RCC_HSI_ON;
Helmut64 0:c43b6919ae15 39 RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
Helmut64 0:c43b6919ae15 40 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
Helmut64 0:c43b6919ae15 41 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
Helmut64 0:c43b6919ae15 42 RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_6;
Helmut64 0:c43b6919ae15 43 RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_3;
Helmut64 0:c43b6919ae15 44
Helmut64 0:c43b6919ae15 45 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
Helmut64 0:c43b6919ae15 46 // Error_Handler();
Helmut64 0:c43b6919ae15 47 }
Helmut64 0:c43b6919ae15 48
Helmut64 0:c43b6919ae15 49 /* Set Voltage scale1 as MCU will run at 32MHz */
Helmut64 0:c43b6919ae15 50 __HAL_RCC_PWR_CLK_ENABLE();
Helmut64 0:c43b6919ae15 51 __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
Helmut64 0:c43b6919ae15 52
Helmut64 0:c43b6919ae15 53 /* Poll VOSF bit of in PWR_CSR. Wait until it is reset to 0 */
Helmut64 0:c43b6919ae15 54 while (__HAL_PWR_GET_FLAG(PWR_FLAG_VOS) != RESET) {};
Helmut64 0:c43b6919ae15 55
Helmut64 0:c43b6919ae15 56 /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
Helmut64 0:c43b6919ae15 57 clocks dividers */
Helmut64 0:c43b6919ae15 58 RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
Helmut64 0:c43b6919ae15 59 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
Helmut64 0:c43b6919ae15 60 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
Helmut64 0:c43b6919ae15 61 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
Helmut64 0:c43b6919ae15 62 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
Helmut64 0:c43b6919ae15 63 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
Helmut64 0:c43b6919ae15 64 // Error_Handler();
Helmut64 0:c43b6919ae15 65 }
Helmut64 0:c43b6919ae15 66 #endif
Helmut64 0:c43b6919ae15 67 }
Helmut64 0:c43b6919ae15 68
Helmut64 0:c43b6919ae15 69 void dump(const char *title, const void *data, int len, bool dwords)
Helmut64 0:c43b6919ae15 70 {
Helmut64 0:c43b6919ae15 71 dprintf("dump(\"%s\", 0x%x, %d bytes)", title, data, len);
Helmut64 0:c43b6919ae15 72
Helmut64 0:c43b6919ae15 73 int i, j, cnt;
Helmut64 0:c43b6919ae15 74 unsigned char *u;
Helmut64 0:c43b6919ae15 75 const int width = 16;
Helmut64 0:c43b6919ae15 76 const int seppos = 7;
Helmut64 0:c43b6919ae15 77
Helmut64 0:c43b6919ae15 78 cnt = 0;
Helmut64 0:c43b6919ae15 79 u = (unsigned char *)data;
Helmut64 0:c43b6919ae15 80 while (len > 0) {
Helmut64 0:c43b6919ae15 81 ser->printf("%08x: ", (unsigned int)data + cnt);
Helmut64 0:c43b6919ae15 82 if (dwords) {
Helmut64 0:c43b6919ae15 83 unsigned int *ip = ( unsigned int *)u;
Helmut64 0:c43b6919ae15 84 ser->printf(" 0x%08x\r\n", *ip);
Helmut64 0:c43b6919ae15 85 u+= 4;
Helmut64 0:c43b6919ae15 86 len -= 4;
Helmut64 0:c43b6919ae15 87 cnt += 4;
Helmut64 0:c43b6919ae15 88 continue;
Helmut64 0:c43b6919ae15 89 }
Helmut64 0:c43b6919ae15 90 cnt += width;
Helmut64 0:c43b6919ae15 91 j = len < width ? len : width;
Helmut64 0:c43b6919ae15 92 for (i = 0; i < j; i++) {
Helmut64 0:c43b6919ae15 93 ser->printf("%2.2x ", *(u + i));
Helmut64 0:c43b6919ae15 94 if (i == seppos)
Helmut64 0:c43b6919ae15 95 ser->putc(' ');
Helmut64 0:c43b6919ae15 96 }
Helmut64 0:c43b6919ae15 97 ser->putc(' ');
Helmut64 0:c43b6919ae15 98 if (j < width) {
Helmut64 0:c43b6919ae15 99 i = width - j;
Helmut64 0:c43b6919ae15 100 if (i > seppos + 1)
Helmut64 0:c43b6919ae15 101 ser->putc(' ');
Helmut64 0:c43b6919ae15 102 while (i--) {
Helmut64 0:c43b6919ae15 103 printf("%s", " ");
Helmut64 0:c43b6919ae15 104 }
Helmut64 0:c43b6919ae15 105 }
Helmut64 0:c43b6919ae15 106 for (i = 0; i < j; i++) {
Helmut64 0:c43b6919ae15 107 int c = *(u + i);
Helmut64 0:c43b6919ae15 108 if (c >= ' ' && c <= '~')
Helmut64 0:c43b6919ae15 109 ser->putc(c);
Helmut64 0:c43b6919ae15 110 else
Helmut64 0:c43b6919ae15 111 ser->putc('.');
Helmut64 0:c43b6919ae15 112 if (i == seppos)
Helmut64 0:c43b6919ae15 113 ser->putc(' ');
Helmut64 0:c43b6919ae15 114 }
Helmut64 0:c43b6919ae15 115 len -= width;
Helmut64 0:c43b6919ae15 116 u += width;
Helmut64 0:c43b6919ae15 117 ser->printf("\r\n");
Helmut64 0:c43b6919ae15 118 }
Helmut64 0:c43b6919ae15 119 ser->printf("--\r\n");
Helmut64 0:c43b6919ae15 120 }