Orefatoi / Mbed 2 deprecated afero_node_suntory_171018

pwm period is now 200us instead of the default 20ms veml6040 config is now AF_BIT | TRIG_BIT

Dependencies:   mbed MMA8451Q USBDevice WakeUp vt100

Fork of afero_node_suntory_2017_06_15 by Orefatoi

util/MCUResetReason.cpp@10:02e481a80843, 2017-03-29 (annotated)

Committer:
wataloh
Date:
Wed Mar 29 00:42:12 2017 +0000
Revision:
10:02e481a80843
Reset reason is uploaded to Afero cloud via color JSON string.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wataloh 10:02e481a80843 1 #include "MCUResetReason.hpp"
wataloh 10:02e481a80843 2
wataloh 10:02e481a80843 3 /**
wataloh 10:02e481a80843 4 * System Reset Status Register 0 (RCM_SRS0) 0x4007_F000
wataloh 10:02e481a80843 5 *
wataloh 10:02e481a80843 6 * bit[7] : POR Power-On Reset
wataloh 10:02e481a80843 7 * bit[6] : PIN External Reset Pin
wataloh 10:02e481a80843 8 * bit[5] : WDOG Watchdog
wataloh 10:02e481a80843 9 * bit[4] : (Reserved)
wataloh 10:02e481a80843 10 * bit[3] : LOL Loss-of-Lock Reset
wataloh 10:02e481a80843 11 * bit[2] : LOC Loss-of-Clock Reset
wataloh 10:02e481a80843 12 * bit[1] : LVD Low-Voltage Detect Reset
wataloh 10:02e481a80843 13 * bit[0] : WAKEUP Low Leakage Wakeup Reset
wataloh 10:02e481a80843 14 */
wataloh 10:02e481a80843 15 #define REG_RCM_SRS0 (uint8_t *)0x4007F000
wataloh 10:02e481a80843 16 #define POR_RESET_BIT 0x80
wataloh 10:02e481a80843 17 #define PIN_RESET_BIT 0x40
wataloh 10:02e481a80843 18 #define WDG_RESET_BIT 0x20
wataloh 10:02e481a80843 19 #define LOL_RESET_BIT 0x08
wataloh 10:02e481a80843 20 #define LOC_RESET_BIT 0x04
wataloh 10:02e481a80843 21 #define LVD_RESET_BIT 0x02
wataloh 10:02e481a80843 22 #define WUP_RESET_BIT 0x01
wataloh 10:02e481a80843 23 /**
wataloh 10:02e481a80843 24 * System Reset Status Register 1 (RCM_SRS1) 0x4007_F001
wataloh 10:02e481a80843 25 *
wataloh 10:02e481a80843 26 * bit[7:6] (Reserved)
wataloh 10:02e481a80843 27 * bit[5] : SACKERR Stop Mode Acknowledge Error Reset
wataloh 10:02e481a80843 28 * bit[4] : (Reserved)
wataloh 10:02e481a80843 29 * bit[3] : MDM_AP MDM-AP System Reset Request
wataloh 10:02e481a80843 30 * bit[2] : SW Software Reset
wataloh 10:02e481a80843 31 * bit[1] : LOCKUP Core Lockup
wataloh 10:02e481a80843 32 * bit[0] : (Reserved)
wataloh 10:02e481a80843 33 */
wataloh 10:02e481a80843 34 #define REG_RCM_SRS1 (uint8_t *)0x4007F001
wataloh 10:02e481a80843 35 #define SACK_RESET_BIT 0x20
wataloh 10:02e481a80843 36 #define MDM_RESET_BIT 0x08
wataloh 10:02e481a80843 37 #define SW_RESET_BIT 0x04
wataloh 10:02e481a80843 38 #define LOCKUP_RESET_BIT 0x02
wataloh 10:02e481a80843 39
wataloh 10:02e481a80843 40 /**
wataloh 10:02e481a80843 41 * Software Reset
wataloh 10:02e481a80843 42 *
wataloh 10:02e481a80843 43 * From Cortex-M0 Devices Generic User Guide
wataloh 10:02e481a80843 44 * 4.3.4 Application Interrupt and Reset Control Register
wataloh 10:02e481a80843 45 *
wataloh 10:02e481a80843 46 * Bit[31:16] : VECTCKEY
wataloh 10:02e481a80843 47 * Bit[15] : ENDIANESS
wataloh 10:02e481a80843 48 * Bit[14:3] : (Reserved)
wataloh 10:02e481a80843 49 * Bit[2] : SYSRESETREQ
wataloh 10:02e481a80843 50 * Bit[1] : VECTCLRACTIVE (reserved for debug use)
wataloh 10:02e481a80843 51 * Bit[0] : (Reserved)
wataloh 10:02e481a80843 52 *
wataloh 10:02e481a80843 53 * Note: To trigger software reset, both VECTKEY=0x05FA and SYSRESETREQ
wataloh 10:02e481a80843 54 * must be written at once, therefore the value will be
wataloh 10:02e481a80843 55 * 0x05FA0004
wataloh 10:02e481a80843 56 */
wataloh 10:02e481a80843 57
wataloh 10:02e481a80843 58 MCUResetReason *self = NULL;
wataloh 10:02e481a80843 59
wataloh 10:02e481a80843 60 const char *MCUResetReason::str_reset_reason[] = {
wataloh 10:02e481a80843 61 "Power On Reset",
wataloh 10:02e481a80843 62 "External Pin Reset",
wataloh 10:02e481a80843 63 "Watch Dog Reset : Forgot to feed?",
wataloh 10:02e481a80843 64 "Loss of Lock Reset",
wataloh 10:02e481a80843 65 "Loss of Clock Reset",
wataloh 10:02e481a80843 66 "Low-Voltage Detect Reset",
wataloh 10:02e481a80843 67 "Low Leakage Wakeup Reset",
wataloh 10:02e481a80843 68 "Stop Mode Acknowledge Error Reset",
wataloh 10:02e481a80843 69 "MDM-AP System Reset Request",
wataloh 10:02e481a80843 70 "Software Reset",
wataloh 10:02e481a80843 71 "Core Lockup Reset"
wataloh 10:02e481a80843 72 };
wataloh 10:02e481a80843 73
wataloh 10:02e481a80843 74 MCUResetReason::MCUResetReason()
wataloh 10:02e481a80843 75 {
wataloh 10:02e481a80843 76 SRS[0] = *REG_RCM_SRS0 ;
wataloh 10:02e481a80843 77 SRS[1] = *REG_RCM_SRS1 ;
wataloh 10:02e481a80843 78 }
wataloh 10:02e481a80843 79
wataloh 10:02e481a80843 80 MCUResetReason* MCUResetReason::ref()
wataloh 10:02e481a80843 81 {
wataloh 10:02e481a80843 82 return self != NULL ? self : self = new MCUResetReason();
wataloh 10:02e481a80843 83 }
wataloh 10:02e481a80843 84
wataloh 10:02e481a80843 85 void MCUResetReason::clearFlag()
wataloh 10:02e481a80843 86 {
wataloh 10:02e481a80843 87 SRS[0] = PIN_RESET_BIT;
wataloh 10:02e481a80843 88 SRS[1] = 0;
wataloh 10:02e481a80843 89 }
wataloh 10:02e481a80843 90
wataloh 10:02e481a80843 91 MCUResetReason::RESET_REASON MCUResetReason::getResetReason(void)
wataloh 10:02e481a80843 92 {
wataloh 10:02e481a80843 93 RESET_REASON reason;
wataloh 10:02e481a80843 94
wataloh 10:02e481a80843 95 if (SRS[0] & POR_RESET_BIT) {
wataloh 10:02e481a80843 96 reason = POWER_ON;
wataloh 10:02e481a80843 97 } else if (SRS[0] & PIN_RESET_BIT) {
wataloh 10:02e481a80843 98 reason = EXTERNAL_PIN;
wataloh 10:02e481a80843 99 } else if (SRS[0] & WDG_RESET_BIT) {
wataloh 10:02e481a80843 100 reason = WATCHDOG;
wataloh 10:02e481a80843 101 } else if (SRS[0] & LOL_RESET_BIT) {
wataloh 10:02e481a80843 102 reason = LOSS_OF_LOCK;
wataloh 10:02e481a80843 103 } else if (SRS[0] & LOC_RESET_BIT) {
wataloh 10:02e481a80843 104 reason = LOSS_OF_CLOCK;
wataloh 10:02e481a80843 105 } else if (SRS[0] & LVD_RESET_BIT) {
wataloh 10:02e481a80843 106 reason = LOW_VOLTAGE_DETECT;
wataloh 10:02e481a80843 107 } else if (SRS[0] & WUP_RESET_BIT) {
wataloh 10:02e481a80843 108 reason = LOW_LEAKAGE_WAKEUP;
wataloh 10:02e481a80843 109 } else if (SRS[1] & SACK_RESET_BIT) {
wataloh 10:02e481a80843 110 reason = STOP_MODE_ACK_ERROR;
wataloh 10:02e481a80843 111 } else if (SRS[1] & MDM_RESET_BIT) {
wataloh 10:02e481a80843 112 reason = MDM_AP_SYSTEM_RESET_REQUEST;
wataloh 10:02e481a80843 113 } else if (SRS[1] & SW_RESET_BIT) {
wataloh 10:02e481a80843 114 reason = SOFTWARE;
wataloh 10:02e481a80843 115 } else if (SRS[1] & LOCKUP_RESET_BIT) {
wataloh 10:02e481a80843 116 reason = CORE_LOCKUP;
wataloh 10:02e481a80843 117 }
wataloh 10:02e481a80843 118 return reason;
wataloh 10:02e481a80843 119 }
wataloh 10:02e481a80843 120
wataloh 10:02e481a80843 121 const char* MCUResetReason::getResetReasonStr()
wataloh 10:02e481a80843 122 {
wataloh 10:02e481a80843 123 return str_reset_reason[getResetReason()];
wataloh 10:02e481a80843 124 }
wataloh 10:02e481a80843 125