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Catie fork
Dependencies: SDFileSystem X_NUCLEO_IKS01A1
Fork of ATT_AWS_IoT_demo by
WNCInterface/WncControllerK64F/WncControllerK64F.cpp@15:6f2798e45099, 2016-12-01 (annotated)
- Committer:
- ampembeng
- Date:
- Thu Dec 01 18:05:38 2016 +0000
- Revision:
- 15:6f2798e45099
Initial commit. Demo works with both the FRDM wired Ethernet and the Avnet Shield wireless modem.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ampembeng | 15:6f2798e45099 | 1 | /* |
ampembeng | 15:6f2798e45099 | 2 | Copyright (c) 2016 Fred Kellerman |
ampembeng | 15:6f2798e45099 | 3 | |
ampembeng | 15:6f2798e45099 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
ampembeng | 15:6f2798e45099 | 5 | of this software and associated documentation files (the "Software"), to deal |
ampembeng | 15:6f2798e45099 | 6 | in the Software without restriction, including without limitation the rights |
ampembeng | 15:6f2798e45099 | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
ampembeng | 15:6f2798e45099 | 8 | copies of the Software, and to permit persons to whom the Software is |
ampembeng | 15:6f2798e45099 | 9 | furnished to do so, subject to the following conditions: |
ampembeng | 15:6f2798e45099 | 10 | |
ampembeng | 15:6f2798e45099 | 11 | The above copyright notice and this permission notice shall be included in |
ampembeng | 15:6f2798e45099 | 12 | all copies or substantial portions of the Software. |
ampembeng | 15:6f2798e45099 | 13 | |
ampembeng | 15:6f2798e45099 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
ampembeng | 15:6f2798e45099 | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
ampembeng | 15:6f2798e45099 | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
ampembeng | 15:6f2798e45099 | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
ampembeng | 15:6f2798e45099 | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
ampembeng | 15:6f2798e45099 | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
ampembeng | 15:6f2798e45099 | 20 | THE SOFTWARE. |
ampembeng | 15:6f2798e45099 | 21 | |
ampembeng | 15:6f2798e45099 | 22 | @file WncController.cpp |
ampembeng | 15:6f2798e45099 | 23 | @purpose Controls WNC Cellular Modem |
ampembeng | 15:6f2798e45099 | 24 | @version 1.0 |
ampembeng | 15:6f2798e45099 | 25 | @date July 2016 |
ampembeng | 15:6f2798e45099 | 26 | @author Fred Kellerman |
ampembeng | 15:6f2798e45099 | 27 | */ |
ampembeng | 15:6f2798e45099 | 28 | |
ampembeng | 15:6f2798e45099 | 29 | #include "WncControllerK64F.h" |
ampembeng | 15:6f2798e45099 | 30 | |
ampembeng | 15:6f2798e45099 | 31 | using namespace WncControllerK64F_fk; |
ampembeng | 15:6f2798e45099 | 32 | |
ampembeng | 15:6f2798e45099 | 33 | WncControllerK64F::WncControllerK64F(struct WncGpioPinListK64F * pPins, MODSERIAL * wnc_uart, MODSERIAL * debug_uart) |
ampembeng | 15:6f2798e45099 | 34 | { |
ampembeng | 15:6f2798e45099 | 35 | m_logTimer.start(); // Start the log timer now! |
ampembeng | 15:6f2798e45099 | 36 | m_pDbgUart = debug_uart; |
ampembeng | 15:6f2798e45099 | 37 | m_pWncUart = wnc_uart; |
ampembeng | 15:6f2798e45099 | 38 | m_gpioPinList = *pPins; |
ampembeng | 15:6f2798e45099 | 39 | } |
ampembeng | 15:6f2798e45099 | 40 | |
ampembeng | 15:6f2798e45099 | 41 | bool WncControllerK64F::enterWncTerminalMode(MODSERIAL * pUart, bool echoOn) |
ampembeng | 15:6f2798e45099 | 42 | { |
ampembeng | 15:6f2798e45099 | 43 | if (pUart == NULL) |
ampembeng | 15:6f2798e45099 | 44 | return (false); // Need a uart! |
ampembeng | 15:6f2798e45099 | 45 | |
ampembeng | 15:6f2798e45099 | 46 | string * resp; |
ampembeng | 15:6f2798e45099 | 47 | AtCmdErr_e r = sendWncCmd("AT", &resp, 500); |
ampembeng | 15:6f2798e45099 | 48 | if (r == WNC_AT_CMD_TIMEOUT) |
ampembeng | 15:6f2798e45099 | 49 | return (false); |
ampembeng | 15:6f2798e45099 | 50 | |
ampembeng | 15:6f2798e45099 | 51 | pUart->puts("\r\nEntering WNC Terminal Mode - press <CTRL>-Q to exit!\r\n"); |
ampembeng | 15:6f2798e45099 | 52 | |
ampembeng | 15:6f2798e45099 | 53 | while (1) { |
ampembeng | 15:6f2798e45099 | 54 | if (pUart->readable()) { |
ampembeng | 15:6f2798e45099 | 55 | char c = pUart->getc(); |
ampembeng | 15:6f2798e45099 | 56 | if (c == '\x11') { |
ampembeng | 15:6f2798e45099 | 57 | pUart->puts("\r\nExiting WNC Terminal Mode!\r\n"); |
ampembeng | 15:6f2798e45099 | 58 | // Cleanup in case user doesn't finish command: |
ampembeng | 15:6f2798e45099 | 59 | sendWncCmd("AT", &resp, 300); |
ampembeng | 15:6f2798e45099 | 60 | // Above AT may fail but should get WNC back in sync |
ampembeng | 15:6f2798e45099 | 61 | return (sendWncCmd("AT", &resp, 500) == WNC_AT_CMD_OK); |
ampembeng | 15:6f2798e45099 | 62 | } |
ampembeng | 15:6f2798e45099 | 63 | if (echoOn == true) { |
ampembeng | 15:6f2798e45099 | 64 | pUart->putc(c); |
ampembeng | 15:6f2798e45099 | 65 | } |
ampembeng | 15:6f2798e45099 | 66 | m_pWncUart->putc(c); |
ampembeng | 15:6f2798e45099 | 67 | } |
ampembeng | 15:6f2798e45099 | 68 | if (m_pWncUart->readable()) |
ampembeng | 15:6f2798e45099 | 69 | pUart->putc(m_pWncUart->getc()); |
ampembeng | 15:6f2798e45099 | 70 | } |
ampembeng | 15:6f2798e45099 | 71 | } |
ampembeng | 15:6f2798e45099 | 72 | |
ampembeng | 15:6f2798e45099 | 73 | |
ampembeng | 15:6f2798e45099 | 74 | int WncControllerK64F::putc(char c) |
ampembeng | 15:6f2798e45099 | 75 | { |
ampembeng | 15:6f2798e45099 | 76 | return (m_pWncUart->putc(c)); |
ampembeng | 15:6f2798e45099 | 77 | } |
ampembeng | 15:6f2798e45099 | 78 | |
ampembeng | 15:6f2798e45099 | 79 | int WncControllerK64F::puts(const char * s) |
ampembeng | 15:6f2798e45099 | 80 | { |
ampembeng | 15:6f2798e45099 | 81 | return (m_pWncUart->puts(s)); |
ampembeng | 15:6f2798e45099 | 82 | } |
ampembeng | 15:6f2798e45099 | 83 | |
ampembeng | 15:6f2798e45099 | 84 | char WncControllerK64F::getc(void) |
ampembeng | 15:6f2798e45099 | 85 | { |
ampembeng | 15:6f2798e45099 | 86 | return (m_pWncUart->getc()); |
ampembeng | 15:6f2798e45099 | 87 | } |
ampembeng | 15:6f2798e45099 | 88 | |
ampembeng | 15:6f2798e45099 | 89 | int WncControllerK64F::charReady(void) |
ampembeng | 15:6f2798e45099 | 90 | { |
ampembeng | 15:6f2798e45099 | 91 | return (m_pWncUart->readable()); |
ampembeng | 15:6f2798e45099 | 92 | } |
ampembeng | 15:6f2798e45099 | 93 | |
ampembeng | 15:6f2798e45099 | 94 | int WncControllerK64F::dbgWriteChar(char b) |
ampembeng | 15:6f2798e45099 | 95 | { |
ampembeng | 15:6f2798e45099 | 96 | if (m_pDbgUart != NULL) |
ampembeng | 15:6f2798e45099 | 97 | return (m_pDbgUart->putc(b)); |
ampembeng | 15:6f2798e45099 | 98 | else |
ampembeng | 15:6f2798e45099 | 99 | return (0); |
ampembeng | 15:6f2798e45099 | 100 | } |
ampembeng | 15:6f2798e45099 | 101 | |
ampembeng | 15:6f2798e45099 | 102 | int WncControllerK64F::dbgWriteChars(const char * b) |
ampembeng | 15:6f2798e45099 | 103 | { |
ampembeng | 15:6f2798e45099 | 104 | if (m_pDbgUart != NULL) |
ampembeng | 15:6f2798e45099 | 105 | return (m_pDbgUart->puts(b)); |
ampembeng | 15:6f2798e45099 | 106 | else |
ampembeng | 15:6f2798e45099 | 107 | return (0); |
ampembeng | 15:6f2798e45099 | 108 | } |
ampembeng | 15:6f2798e45099 | 109 | |
ampembeng | 15:6f2798e45099 | 110 | bool WncControllerK64F::initWncModem(uint8_t powerUpTimeoutSecs) |
ampembeng | 15:6f2798e45099 | 111 | { |
ampembeng | 15:6f2798e45099 | 112 | // Hard reset the modem (doesn't go through |
ampembeng | 15:6f2798e45099 | 113 | // the signal level translator) |
ampembeng | 15:6f2798e45099 | 114 | *m_gpioPinList.mdm_reset = 0; |
ampembeng | 15:6f2798e45099 | 115 | |
ampembeng | 15:6f2798e45099 | 116 | // disable signal level translator (necessary |
ampembeng | 15:6f2798e45099 | 117 | // for the modem to boot properly). All signals |
ampembeng | 15:6f2798e45099 | 118 | // except mdm_reset go through the level translator |
ampembeng | 15:6f2798e45099 | 119 | // and have internal pull-up/down in the module. While |
ampembeng | 15:6f2798e45099 | 120 | // the level translator is disabled, these pins will |
ampembeng | 15:6f2798e45099 | 121 | // be in the correct state. |
ampembeng | 15:6f2798e45099 | 122 | *m_gpioPinList.shield_3v3_1v8_sig_trans_ena = 0; |
ampembeng | 15:6f2798e45099 | 123 | |
ampembeng | 15:6f2798e45099 | 124 | // While the level translator is disabled and ouptut pins |
ampembeng | 15:6f2798e45099 | 125 | // are tristated, make sure the inputs are in the same state |
ampembeng | 15:6f2798e45099 | 126 | // as the WNC Module pins so that when the level translator is |
ampembeng | 15:6f2798e45099 | 127 | // enabled, there are no differences. |
ampembeng | 15:6f2798e45099 | 128 | *m_gpioPinList.mdm_uart2_rx_boot_mode_sel = 1; // UART2_RX should be high |
ampembeng | 15:6f2798e45099 | 129 | *m_gpioPinList.mdm_power_on = 0; // powr_on should be low |
ampembeng | 15:6f2798e45099 | 130 | *m_gpioPinList.mdm_wakeup_in = 1; // wake-up should be high |
ampembeng | 15:6f2798e45099 | 131 | *m_gpioPinList.mdm_uart1_cts = 0; // indicate that it is ok to send |
ampembeng | 15:6f2798e45099 | 132 | |
ampembeng | 15:6f2798e45099 | 133 | // Now, wait for the WNC Module to perform its initial boot correctly |
ampembeng | 15:6f2798e45099 | 134 | waitMs(1000); |
ampembeng | 15:6f2798e45099 | 135 | |
ampembeng | 15:6f2798e45099 | 136 | // The WNC module initializes comms at 115200 8N1 so set it up |
ampembeng | 15:6f2798e45099 | 137 | m_pWncUart->baud(115200); |
ampembeng | 15:6f2798e45099 | 138 | |
ampembeng | 15:6f2798e45099 | 139 | //Now, enable the level translator, the input pins should now be the |
ampembeng | 15:6f2798e45099 | 140 | //same as how the M14A module is driving them with internal pull ups/downs. |
ampembeng | 15:6f2798e45099 | 141 | //When enabled, there will be no changes in these 4 pins... |
ampembeng | 15:6f2798e45099 | 142 | *m_gpioPinList.shield_3v3_1v8_sig_trans_ena = 1; |
ampembeng | 15:6f2798e45099 | 143 | |
ampembeng | 15:6f2798e45099 | 144 | bool res = waitForPowerOnModemToRespond(powerUpTimeoutSecs); |
ampembeng | 15:6f2798e45099 | 145 | |
ampembeng | 15:6f2798e45099 | 146 | // Toggle wakeup to prevent future dropped 'A' of "AT", this was |
ampembeng | 15:6f2798e45099 | 147 | // suggested by ATT. |
ampembeng | 15:6f2798e45099 | 148 | if (res == true) { |
ampembeng | 15:6f2798e45099 | 149 | m_pDbgUart->puts("\r\nToggling Wakeup...\r\n"); |
ampembeng | 15:6f2798e45099 | 150 | waitMs(20); |
ampembeng | 15:6f2798e45099 | 151 | *m_gpioPinList.mdm_wakeup_in = 0; |
ampembeng | 15:6f2798e45099 | 152 | waitMs(2000); |
ampembeng | 15:6f2798e45099 | 153 | *m_gpioPinList.mdm_wakeup_in = 1; |
ampembeng | 15:6f2798e45099 | 154 | waitMs(20); |
ampembeng | 15:6f2798e45099 | 155 | m_pDbgUart->puts("Toggling complete.\r\n"); |
ampembeng | 15:6f2798e45099 | 156 | } |
ampembeng | 15:6f2798e45099 | 157 | |
ampembeng | 15:6f2798e45099 | 158 | return (res); |
ampembeng | 15:6f2798e45099 | 159 | } |
ampembeng | 15:6f2798e45099 | 160 | |
ampembeng | 15:6f2798e45099 | 161 | void WncControllerK64F::waitMs(int t) |
ampembeng | 15:6f2798e45099 | 162 | { |
ampembeng | 15:6f2798e45099 | 163 | wait_ms(t); |
ampembeng | 15:6f2798e45099 | 164 | } |
ampembeng | 15:6f2798e45099 | 165 | |
ampembeng | 15:6f2798e45099 | 166 | void WncControllerK64F::waitUs(int t) |
ampembeng | 15:6f2798e45099 | 167 | { |
ampembeng | 15:6f2798e45099 | 168 | wait_ms(t); |
ampembeng | 15:6f2798e45099 | 169 | } |
ampembeng | 15:6f2798e45099 | 170 | |
ampembeng | 15:6f2798e45099 | 171 | int WncControllerK64F::getLogTimerTicks(void) |
ampembeng | 15:6f2798e45099 | 172 | { |
ampembeng | 15:6f2798e45099 | 173 | return (m_logTimer.read_us()); |
ampembeng | 15:6f2798e45099 | 174 | } |
ampembeng | 15:6f2798e45099 | 175 | |
ampembeng | 15:6f2798e45099 | 176 | void WncControllerK64F::startTimerA(void) |
ampembeng | 15:6f2798e45099 | 177 | { |
ampembeng | 15:6f2798e45099 | 178 | m_timerA.start(); |
ampembeng | 15:6f2798e45099 | 179 | m_timerA.reset(); |
ampembeng | 15:6f2798e45099 | 180 | } |
ampembeng | 15:6f2798e45099 | 181 | |
ampembeng | 15:6f2798e45099 | 182 | void WncControllerK64F::stopTimerA(void) |
ampembeng | 15:6f2798e45099 | 183 | { |
ampembeng | 15:6f2798e45099 | 184 | m_timerA.stop(); |
ampembeng | 15:6f2798e45099 | 185 | } |
ampembeng | 15:6f2798e45099 | 186 | |
ampembeng | 15:6f2798e45099 | 187 | int WncControllerK64F::getTimerTicksA_mS(void) |
ampembeng | 15:6f2798e45099 | 188 | { |
ampembeng | 15:6f2798e45099 | 189 | return (m_timerA.read_ms()); |
ampembeng | 15:6f2798e45099 | 190 | } |
ampembeng | 15:6f2798e45099 | 191 | |
ampembeng | 15:6f2798e45099 | 192 | void WncControllerK64F::startTimerB(void) |
ampembeng | 15:6f2798e45099 | 193 | { |
ampembeng | 15:6f2798e45099 | 194 | m_timerB.start(); |
ampembeng | 15:6f2798e45099 | 195 | m_timerB.reset(); |
ampembeng | 15:6f2798e45099 | 196 | } |
ampembeng | 15:6f2798e45099 | 197 | |
ampembeng | 15:6f2798e45099 | 198 | void WncControllerK64F::stopTimerB(void) |
ampembeng | 15:6f2798e45099 | 199 | { |
ampembeng | 15:6f2798e45099 | 200 | m_timerB.stop(); |
ampembeng | 15:6f2798e45099 | 201 | } |
ampembeng | 15:6f2798e45099 | 202 | |
ampembeng | 15:6f2798e45099 | 203 | int WncControllerK64F::getTimerTicksB_mS(void) |
ampembeng | 15:6f2798e45099 | 204 | { |
ampembeng | 15:6f2798e45099 | 205 | return (m_timerB.read_ms()); |
ampembeng | 15:6f2798e45099 | 206 | } |
ampembeng | 15:6f2798e45099 | 207 |