Tyler Davis / WncControllerK64F

modified to get more signal info

Dependencies:   WncControllerModified

Fork of WncControllerK64F by Avnet

WncControllerK64F.cpp@20:fcc6b61a5610, 2016-10-07 (annotated)

Committer:
fkellermavnet
Date:
Fri Oct 07 18:37:26 2016 +0000
Revision:
20:fcc6b61a5610
Parent:
15:68d73d402cb0
Child:
22:9b9cb0d95f51
Added toggle of wakeup pin to try an prevent the drop of the 'A'.; Added cmd to turn off power saving mode, this is thought to maybe be the cause of the no response.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fkellermavnet 0:98d149685c95 1 /*
fkellermavnet 0:98d149685c95 2 Copyright (c) 2016 Fred Kellerman
fkellermavnet 0:98d149685c95 3
fkellermavnet 0:98d149685c95 4 Permission is hereby granted, free of charge, to any person obtaining a copy
fkellermavnet 0:98d149685c95 5 of this software and associated documentation files (the "Software"), to deal
fkellermavnet 0:98d149685c95 6 in the Software without restriction, including without limitation the rights
fkellermavnet 0:98d149685c95 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
fkellermavnet 0:98d149685c95 8 copies of the Software, and to permit persons to whom the Software is
fkellermavnet 0:98d149685c95 9 furnished to do so, subject to the following conditions:
fkellermavnet 0:98d149685c95 10
fkellermavnet 0:98d149685c95 11 The above copyright notice and this permission notice shall be included in
fkellermavnet 0:98d149685c95 12 all copies or substantial portions of the Software.
fkellermavnet 0:98d149685c95 13
fkellermavnet 0:98d149685c95 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fkellermavnet 0:98d149685c95 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fkellermavnet 0:98d149685c95 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fkellermavnet 0:98d149685c95 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fkellermavnet 0:98d149685c95 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fkellermavnet 0:98d149685c95 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
fkellermavnet 0:98d149685c95 20 THE SOFTWARE.
fkellermavnet 0:98d149685c95 21
fkellermavnet 0:98d149685c95 22 @file WncController.cpp
fkellermavnet 0:98d149685c95 23 @purpose Controls WNC Cellular Modem
fkellermavnet 0:98d149685c95 24 @version 1.0
fkellermavnet 0:98d149685c95 25 @date July 2016
fkellermavnet 0:98d149685c95 26 @author Fred Kellerman
fkellermavnet 0:98d149685c95 27 */
fkellermavnet 0:98d149685c95 28
fkellermavnet 0:98d149685c95 29 #include "WncControllerK64F.h"
fkellermavnet 0:98d149685c95 30
fkellermavnet 0:98d149685c95 31 using namespace WncControllerK64F_fk;
fkellermavnet 0:98d149685c95 32
fkellermavnet 0:98d149685c95 33 WncControllerK64F::WncControllerK64F(struct WncGpioPinListK64F * pPins, MODSERIAL * wnc_uart, MODSERIAL * debug_uart)
fkellermavnet 0:98d149685c95 34 {
fkellermavnet 0:98d149685c95 35 m_logTimer.start(); // Start the log timer now!
fkellermavnet 0:98d149685c95 36 m_pDbgUart = debug_uart;
fkellermavnet 0:98d149685c95 37 m_pWncUart = wnc_uart;
fkellermavnet 0:98d149685c95 38 m_gpioPinList = *pPins;
fkellermavnet 0:98d149685c95 39 }
fkellermavnet 0:98d149685c95 40
fkellermavnet 13:ef379cdd57aa 41 bool WncControllerK64F::enterWncTerminalMode(MODSERIAL * pUart, bool echoOn)
fkellermavnet 0:98d149685c95 42 {
fkellermavnet 13:ef379cdd57aa 43 if (pUart == NULL)
fkellermavnet 13:ef379cdd57aa 44 return (false); // Need a uart!
fkellermavnet 13:ef379cdd57aa 45
fkellermavnet 0:98d149685c95 46 string * resp;
fkellermavnet 0:98d149685c95 47 AtCmdErr_e r = sendWncCmd("AT", &resp, 500);
fkellermavnet 0:98d149685c95 48 if (r == WNC_AT_CMD_TIMEOUT)
fkellermavnet 0:98d149685c95 49 return (false);
fkellermavnet 0:98d149685c95 50
fkellermavnet 13:ef379cdd57aa 51 pUart->puts("\r\nEntering WNC Terminal Mode - press <CTRL>-Q to exit!\r\n");
fkellermavnet 0:98d149685c95 52
fkellermavnet 0:98d149685c95 53 while (1) {
fkellermavnet 13:ef379cdd57aa 54 if (pUart->readable()) {
fkellermavnet 13:ef379cdd57aa 55 char c = pUart->getc();
fkellermavnet 0:98d149685c95 56 if (c == '\x11') {
fkellermavnet 13:ef379cdd57aa 57 pUart->puts("\r\nExiting WNC Terminal Mode!\r\n");
fkellermavnet 0:98d149685c95 58 // Cleanup in case user doesn't finish command:
fkellermavnet 0:98d149685c95 59 sendWncCmd("AT", &resp, 300);
fkellermavnet 0:98d149685c95 60 // Above AT may fail but should get WNC back in sync
fkellermavnet 0:98d149685c95 61 return (sendWncCmd("AT", &resp, 500) == WNC_AT_CMD_OK);
fkellermavnet 0:98d149685c95 62 }
fkellermavnet 0:98d149685c95 63 if (echoOn == true) {
fkellermavnet 13:ef379cdd57aa 64 pUart->putc(c);
fkellermavnet 0:98d149685c95 65 }
fkellermavnet 15:68d73d402cb0 66 m_pWncUart->putc(c);
fkellermavnet 0:98d149685c95 67 }
fkellermavnet 15:68d73d402cb0 68 if (m_pWncUart->readable())
fkellermavnet 15:68d73d402cb0 69 pUart->putc(m_pWncUart->getc());
fkellermavnet 0:98d149685c95 70 }
fkellermavnet 0:98d149685c95 71 }
fkellermavnet 0:98d149685c95 72
fkellermavnet 0:98d149685c95 73
fkellermavnet 0:98d149685c95 74 int WncControllerK64F::putc(char c)
fkellermavnet 0:98d149685c95 75 {
fkellermavnet 0:98d149685c95 76 return (m_pWncUart->putc(c));
fkellermavnet 0:98d149685c95 77 }
fkellermavnet 0:98d149685c95 78
fkellermavnet 0:98d149685c95 79 int WncControllerK64F::puts(const char * s)
fkellermavnet 0:98d149685c95 80 {
fkellermavnet 0:98d149685c95 81 return (m_pWncUart->puts(s));
fkellermavnet 0:98d149685c95 82 }
fkellermavnet 0:98d149685c95 83
fkellermavnet 0:98d149685c95 84 char WncControllerK64F::getc(void)
fkellermavnet 0:98d149685c95 85 {
fkellermavnet 0:98d149685c95 86 return (m_pWncUart->getc());
fkellermavnet 0:98d149685c95 87 }
fkellermavnet 0:98d149685c95 88
fkellermavnet 0:98d149685c95 89 int WncControllerK64F::charReady(void)
fkellermavnet 0:98d149685c95 90 {
fkellermavnet 0:98d149685c95 91 return (m_pWncUart->readable());
fkellermavnet 0:98d149685c95 92 }
fkellermavnet 0:98d149685c95 93
fkellermavnet 0:98d149685c95 94 int WncControllerK64F::dbgWriteChar(char b)
fkellermavnet 0:98d149685c95 95 {
fkellermavnet 0:98d149685c95 96 if (m_pDbgUart != NULL)
fkellermavnet 0:98d149685c95 97 return (m_pDbgUart->putc(b));
fkellermavnet 0:98d149685c95 98 else
fkellermavnet 0:98d149685c95 99 return (0);
fkellermavnet 0:98d149685c95 100 }
fkellermavnet 0:98d149685c95 101
fkellermavnet 0:98d149685c95 102 int WncControllerK64F::dbgWriteChars(const char * b)
fkellermavnet 0:98d149685c95 103 {
fkellermavnet 0:98d149685c95 104 if (m_pDbgUart != NULL)
fkellermavnet 0:98d149685c95 105 return (m_pDbgUart->puts(b));
fkellermavnet 0:98d149685c95 106 else
fkellermavnet 0:98d149685c95 107 return (0);
fkellermavnet 0:98d149685c95 108 }
fkellermavnet 0:98d149685c95 109
fkellermavnet 0:98d149685c95 110 bool WncControllerK64F::initWncModem(uint8_t powerUpTimeoutSecs)
fkellermavnet 0:98d149685c95 111 {
fkellermavnet 0:98d149685c95 112 // Hard reset the modem (doesn't go through
fkellermavnet 0:98d149685c95 113 // the signal level translator)
fkellermavnet 0:98d149685c95 114 *m_gpioPinList.mdm_reset = 0;
fkellermavnet 0:98d149685c95 115
fkellermavnet 0:98d149685c95 116 // disable signal level translator (necessary
fkellermavnet 0:98d149685c95 117 // for the modem to boot properly). All signals
fkellermavnet 0:98d149685c95 118 // except mdm_reset go through the level translator
fkellermavnet 0:98d149685c95 119 // and have internal pull-up/down in the module. While
fkellermavnet 0:98d149685c95 120 // the level translator is disabled, these pins will
fkellermavnet 0:98d149685c95 121 // be in the correct state.
fkellermavnet 0:98d149685c95 122 *m_gpioPinList.shield_3v3_1v8_sig_trans_ena = 0;
fkellermavnet 0:98d149685c95 123
fkellermavnet 0:98d149685c95 124 // While the level translator is disabled and ouptut pins
fkellermavnet 0:98d149685c95 125 // are tristated, make sure the inputs are in the same state
fkellermavnet 0:98d149685c95 126 // as the WNC Module pins so that when the level translator is
fkellermavnet 0:98d149685c95 127 // enabled, there are no differences.
fkellermavnet 0:98d149685c95 128 *m_gpioPinList.mdm_uart2_rx_boot_mode_sel = 1; // UART2_RX should be high
fkellermavnet 0:98d149685c95 129 *m_gpioPinList.mdm_power_on = 0; // powr_on should be low
fkellermavnet 0:98d149685c95 130 *m_gpioPinList.mdm_wakeup_in = 1; // wake-up should be high
fkellermavnet 0:98d149685c95 131 *m_gpioPinList.mdm_uart1_cts = 0; // indicate that it is ok to send
fkellermavnet 0:98d149685c95 132
fkellermavnet 0:98d149685c95 133 // Now, wait for the WNC Module to perform its initial boot correctly
fkellermavnet 0:98d149685c95 134 waitMs(1000);
fkellermavnet 0:98d149685c95 135
fkellermavnet 0:98d149685c95 136 // The WNC module initializes comms at 115200 8N1 so set it up
fkellermavnet 0:98d149685c95 137 m_pWncUart->baud(115200);
fkellermavnet 0:98d149685c95 138
fkellermavnet 0:98d149685c95 139 //Now, enable the level translator, the input pins should now be the
fkellermavnet 0:98d149685c95 140 //same as how the M14A module is driving them with internal pull ups/downs.
fkellermavnet 0:98d149685c95 141 //When enabled, there will be no changes in these 4 pins...
fkellermavnet 0:98d149685c95 142 *m_gpioPinList.shield_3v3_1v8_sig_trans_ena = 1;
fkellermavnet 20:fcc6b61a5610 143
fkellermavnet 20:fcc6b61a5610 144 bool res = waitForPowerOnModemToRespond(powerUpTimeoutSecs);
fkellermavnet 20:fcc6b61a5610 145
fkellermavnet 20:fcc6b61a5610 146 // Toggle wakeup to prevent future dropped 'A' of "AT", this was
fkellermavnet 20:fcc6b61a5610 147 // suggested by ATT.
fkellermavnet 20:fcc6b61a5610 148 if (res == true) {
fkellermavnet 20:fcc6b61a5610 149 m_pDbgUart->puts("\r\nToggling Wakeup...\r\n");
fkellermavnet 20:fcc6b61a5610 150 waitMs(20);
fkellermavnet 20:fcc6b61a5610 151 *m_gpioPinList.mdm_wakeup_in = 0;
fkellermavnet 20:fcc6b61a5610 152 waitMs(2000);
fkellermavnet 20:fcc6b61a5610 153 *m_gpioPinList.mdm_wakeup_in = 1;
fkellermavnet 20:fcc6b61a5610 154 waitMs(20);
fkellermavnet 20:fcc6b61a5610 155 m_pDbgUart->puts("Toggling complete.\r\n");
fkellermavnet 20:fcc6b61a5610 156 }
fkellermavnet 0:98d149685c95 157
fkellermavnet 20:fcc6b61a5610 158 return (res);
fkellermavnet 0:98d149685c95 159 }
fkellermavnet 0:98d149685c95 160
fkellermavnet 0:98d149685c95 161 void WncControllerK64F::waitMs(int t)
fkellermavnet 0:98d149685c95 162 {
fkellermavnet 0:98d149685c95 163 wait_ms(t);
fkellermavnet 0:98d149685c95 164 }
fkellermavnet 0:98d149685c95 165
fkellermavnet 0:98d149685c95 166 void WncControllerK64F::waitUs(int t)
fkellermavnet 0:98d149685c95 167 {
fkellermavnet 0:98d149685c95 168 wait_ms(t);
fkellermavnet 0:98d149685c95 169 }
fkellermavnet 0:98d149685c95 170
fkellermavnet 0:98d149685c95 171 int WncControllerK64F::getLogTimerTicks(void)
fkellermavnet 0:98d149685c95 172 {
fkellermavnet 0:98d149685c95 173 return (m_logTimer.read_us());
fkellermavnet 0:98d149685c95 174 }
fkellermavnet 0:98d149685c95 175
fkellermavnet 0:98d149685c95 176 void WncControllerK64F::startTimerA(void)
fkellermavnet 0:98d149685c95 177 {
fkellermavnet 0:98d149685c95 178 m_timerA.start();
fkellermavnet 0:98d149685c95 179 m_timerA.reset();
fkellermavnet 0:98d149685c95 180 }
fkellermavnet 0:98d149685c95 181
fkellermavnet 0:98d149685c95 182 void WncControllerK64F::stopTimerA(void)
fkellermavnet 0:98d149685c95 183 {
fkellermavnet 0:98d149685c95 184 m_timerA.stop();
fkellermavnet 0:98d149685c95 185 }
fkellermavnet 0:98d149685c95 186
fkellermavnet 0:98d149685c95 187 int WncControllerK64F::getTimerTicksA_mS(void)
fkellermavnet 0:98d149685c95 188 {
fkellermavnet 0:98d149685c95 189 return (m_timerA.read_ms());
fkellermavnet 0:98d149685c95 190 }
fkellermavnet 0:98d149685c95 191
fkellermavnet 0:98d149685c95 192 void WncControllerK64F::startTimerB(void)
fkellermavnet 0:98d149685c95 193 {
fkellermavnet 0:98d149685c95 194 m_timerB.start();
fkellermavnet 0:98d149685c95 195 m_timerB.reset();
fkellermavnet 0:98d149685c95 196 }
fkellermavnet 0:98d149685c95 197
fkellermavnet 0:98d149685c95 198 void WncControllerK64F::stopTimerB(void)
fkellermavnet 0:98d149685c95 199 {
fkellermavnet 0:98d149685c95 200 m_timerB.stop();
fkellermavnet 0:98d149685c95 201 }
fkellermavnet 0:98d149685c95 202
fkellermavnet 0:98d149685c95 203 int WncControllerK64F::getTimerTicksB_mS(void)
fkellermavnet 0:98d149685c95 204 {
fkellermavnet 0:98d149685c95 205 return (m_timerB.read_ms());
fkellermavnet 0:98d149685c95 206 }