modtronix H / modtronix_NZ32S

Library for Modtronix NZ32 STM32 boards, like the NZ32-SC151, NZ32-SB072, NZ32-SE411 and others

nz32s.cpp@3:99cb87ee1792, 2015-08-30 (annotated)

Committer:
modtronix
Date:
Sun Aug 30 09:23:05 2015 +1000
Revision:
3:99cb87ee1792
Parent:
2:cd263c5e86f2
Child:
5:e1297df8ee0d
Updated, added new files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
modtronix 2:cd263c5e86f2 1 /**
modtronix 2:cd263c5e86f2 2 * File: modtronix_nz32s.cpp
modtronix 2:cd263c5e86f2 3 *
modtronix 2:cd263c5e86f2 4 * Author: Modtronix Engineering - www.modtronix.com
modtronix 2:cd263c5e86f2 5 *
modtronix 2:cd263c5e86f2 6 * Description:
modtronix 2:cd263c5e86f2 7 *
modtronix 2:cd263c5e86f2 8 * Software License Agreement:
modtronix 2:cd263c5e86f2 9 * This software has been written or modified by Modtronix Engineering. The code
modtronix 2:cd263c5e86f2 10 * may be modified and can be used free of charge for commercial and non commercial
modtronix 2:cd263c5e86f2 11 * applications. If this is modified software, any license conditions from original
modtronix 2:cd263c5e86f2 12 * software also apply. Any redistribution must include reference to 'Modtronix
modtronix 2:cd263c5e86f2 13 * Engineering' and web link(www.modtronix.com) in the file header.
modtronix 2:cd263c5e86f2 14 *
modtronix 2:cd263c5e86f2 15 * THIS SOFTWARE IS PROVIDED IN AN 'AS IS' CONDITION. NO WARRANTIES, WHETHER EXPRESS,
modtronix 2:cd263c5e86f2 16 * IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
modtronix 2:cd263c5e86f2 17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE
modtronix 2:cd263c5e86f2 18 * COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
modtronix 2:cd263c5e86f2 19 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
modtronix 2:cd263c5e86f2 20 */
modtronix 2:cd263c5e86f2 21 #include "mbed.h"
modtronix 2:cd263c5e86f2 22 #include <stdarg.h>
modtronix 2:cd263c5e86f2 23 #include <stdio.h>
modtronix 2:cd263c5e86f2 24
modtronix 3:99cb87ee1792 25 #define DEBUG_ENABLE 1
modtronix 3:99cb87ee1792 26 #include "mx_default_debug.h"
modtronix 3:99cb87ee1792 27
modtronix 3:99cb87ee1792 28 //Includes that use debugging - Include AFTER debug defines/includes above! It uses them for debugging!
modtronix 3:99cb87ee1792 29 #include "nz32s.h"
modtronix 3:99cb87ee1792 30
modtronix 2:cd263c5e86f2 31
modtronix 2:cd263c5e86f2 32 // DEFINES ////////////////////////////////////////////////////////////////////
modtronix 2:cd263c5e86f2 33
modtronix 2:cd263c5e86f2 34
modtronix 2:cd263c5e86f2 35 // GLOBAL VARIABLES ///////////////////////////////////////////////////////////
modtronix 2:cd263c5e86f2 36
modtronix 2:cd263c5e86f2 37
modtronix 2:cd263c5e86f2 38 // Function Prototypes ////////////////////////////////////////////////////////
modtronix 2:cd263c5e86f2 39
modtronix 2:cd263c5e86f2 40
modtronix 3:99cb87ee1792 41 IWDG_HandleTypeDef NZ32S::hiwdg; //Watchdog Timer
modtronix 2:cd263c5e86f2 42
modtronix 2:cd263c5e86f2 43 /**
modtronix 2:cd263c5e86f2 44 * Reset I2C bus
modtronix 2:cd263c5e86f2 45 */
modtronix 3:99cb87ee1792 46 void NZ32S::i2c_reset(uint8_t busNumber, PinName sda, PinName scl) {
modtronix 2:cd263c5e86f2 47 #if defined(STM32) || defined(STM32L1)
modtronix 2:cd263c5e86f2 48 i2c_t objI2C;
modtronix 2:cd263c5e86f2 49
modtronix 2:cd263c5e86f2 50 if (busNumber == 1) {
modtronix 2:cd263c5e86f2 51 objI2C.i2c = I2C_1;
modtronix 2:cd263c5e86f2 52 }
modtronix 2:cd263c5e86f2 53 else if (busNumber == 2) {
modtronix 2:cd263c5e86f2 54 objI2C.i2c = I2C_2;
modtronix 2:cd263c5e86f2 55 }
modtronix 2:cd263c5e86f2 56
modtronix 2:cd263c5e86f2 57 objI2C.slave = 0;
modtronix 2:cd263c5e86f2 58 i2c_init(&objI2C, sda, scl);
modtronix 2:cd263c5e86f2 59 //i2c_reset(&objI2C); //i2c_init() above calls i2c_reset()
modtronix 2:cd263c5e86f2 60 //pc.printf("\r\nI2C1 Reset");
modtronix 2:cd263c5e86f2 61
modtronix 2:cd263c5e86f2 62 MX_DEBUG("\r\nI2C1 Reset");
modtronix 2:cd263c5e86f2 63
modtronix 3:99cb87ee1792 64 #endif //#if defined(STM32) || defined(STM32L1)
modtronix 2:cd263c5e86f2 65 }
modtronix 3:99cb87ee1792 66
modtronix 3:99cb87ee1792 67 void NZ32S::print_reset_cause(bool clearFlags) {
modtronix 3:99cb87ee1792 68 #if defined(STM32) || defined(STM32L1)
modtronix 3:99cb87ee1792 69 if ( __HAL_RCC_GET_FLAG(PWR_FLAG_SB))
modtronix 3:99cb87ee1792 70 MX_DEBUG("\r\nSystem resumed from STANDBY mode");
modtronix 3:99cb87ee1792 71
modtronix 3:99cb87ee1792 72 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST))
modtronix 3:99cb87ee1792 73 MX_DEBUG("\r\nSoftware Reset");
modtronix 3:99cb87ee1792 74
modtronix 3:99cb87ee1792 75 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_PORRST))
modtronix 3:99cb87ee1792 76 MX_DEBUG("\r\nPower-On-Reset");
modtronix 3:99cb87ee1792 77
modtronix 3:99cb87ee1792 78 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_PINRST)) // Always set, test other cases first
modtronix 3:99cb87ee1792 79 MX_DEBUG("\r\nExternal Pin Reset");
modtronix 3:99cb87ee1792 80
modtronix 3:99cb87ee1792 81 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST) != RESET)
modtronix 3:99cb87ee1792 82 MX_DEBUG("\r\nWatchdog Reset");
modtronix 3:99cb87ee1792 83
modtronix 3:99cb87ee1792 84 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_WWDGRST) != RESET)
modtronix 3:99cb87ee1792 85 MX_DEBUG("\r\nWindow Watchdog Reset");
modtronix 3:99cb87ee1792 86
modtronix 3:99cb87ee1792 87 if ( __HAL_RCC_GET_FLAG(RCC_FLAG_LPWRRST) != RESET)
modtronix 3:99cb87ee1792 88 MX_DEBUG("\r\nLow Power Reset");
modtronix 3:99cb87ee1792 89
modtronix 3:99cb87ee1792 90 // if ( __HAL_RCC_GET_FLAG(RCC_FLAG_BORRST) != RESET) // F4 Usually set with POR
modtronix 3:99cb87ee1792 91 // MX_DEBUG("\r\nBrown-Out Reset");
modtronix 3:99cb87ee1792 92
modtronix 3:99cb87ee1792 93 if (clearFlags) {
modtronix 3:99cb87ee1792 94 __HAL_RCC_CLEAR_RESET_FLAGS(); // The flags cleared after use
modtronix 3:99cb87ee1792 95 }
modtronix 3:99cb87ee1792 96 #endif //#if defined(STM32) || defined(STM32L1)
modtronix 3:99cb87ee1792 97 }
modtronix 3:99cb87ee1792 98