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EIoT LoRa node 3 - Working ok
Dependencies: BufferedSerial SX1276GenericLib-node1 mbed
Fork of DISCO-L072CZ-LRWAN1_LoRa_node by
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"); +}