Kenji Arai / Mbed OS Frequency_Cntr_1PPS_F746ZG

Frequency counter using GPS 1PPS signal and temperature controlled 50MHz Base clock. Ported from F411 Frequency Counter.

Dependencies:   QEI DRV8830 PID ADT7410 TextLCD Frq_cuntr_Nucleo-F746ZG RingBuffer

Fork of Frequency_Counter_w_GPS_1PPS by Kenji Arai

Please refer following.
/users/kenjiArai/notebook/frequency-counters/

main.cpp@8:7b033903c8fb, 2014-11-22 (annotated)

Committer:
kenjiArai
Date:
Sat Nov 22 23:09:17 2014 +0000
Revision:
8:7b033903c8fb
Parent:
7:0c09d29c4cf3
Child:
9:e98e94ba17f9
Target is accurate frequency counter using GPS 1PPS compensation function. Separated the frequency counter library. This is only for ST Nucleo F411RE mbed board.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 5:af9fa3d0731c 1 /*
kenjiArai 8:7b033903c8fb 2 * mbed Application program / Frequency Counter with GPS 1PPS Compensation
kenjiArai 5:af9fa3d0731c 3 *
kenjiArai 5:af9fa3d0731c 4 * Copyright (c) 2014 Kenji Arai / JH1PJL
kenjiArai 5:af9fa3d0731c 5 * http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai 5:af9fa3d0731c 6 * http://mbed.org/users/kenjiArai/
kenjiArai 5:af9fa3d0731c 7 * Created: October 18th, 2014
kenjiArai 8:7b033903c8fb 8 * Revised: Nobember 23rd, 2014
kenjiArai 5:af9fa3d0731c 9 *
kenjiArai 5:af9fa3d0731c 10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
kenjiArai 5:af9fa3d0731c 11 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
kenjiArai 5:af9fa3d0731c 12 * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kenjiArai 5:af9fa3d0731c 13 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kenjiArai 5:af9fa3d0731c 14 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kenjiArai 5:af9fa3d0731c 15 */
mio 0:c988614df67a 16
kenjiArai 6:44c2bcbdd77b 17 #define USE_COM // use Communication with PC(UART)
kenjiArai 6:44c2bcbdd77b 18
kenjiArai 5:af9fa3d0731c 19 // Include ---------------------------------------------------------------------------------------
mio 0:c988614df67a 20 #include "mbed.h"
kenjiArai 8:7b033903c8fb 21 #include "frq_cuntr_full.h"
kenjiArai 8:7b033903c8fb 22
kenjiArai 8:7b033903c8fb 23 using namespace Frequency_counter;
mio 0:c988614df67a 24
kenjiArai 5:af9fa3d0731c 25 // Definition ------------------------------------------------------------------------------------
kenjiArai 5:af9fa3d0731c 26 #ifdef USE_COM
kenjiArai 5:af9fa3d0731c 27 #define BAUD(x) pc.baud(x)
kenjiArai 5:af9fa3d0731c 28 #define GETC(x) pc.getc(x)
kenjiArai 5:af9fa3d0731c 29 #define PUTC(x) pc.putc(x)
kenjiArai 5:af9fa3d0731c 30 #define PRINTF(...) pc.printf(__VA_ARGS__)
kenjiArai 5:af9fa3d0731c 31 #define READABLE(x) pc.readable(x)
kenjiArai 5:af9fa3d0731c 32 #else
kenjiArai 5:af9fa3d0731c 33 #define BAUD(x) {;}
kenjiArai 5:af9fa3d0731c 34 #define GETC(x) {;}
kenjiArai 5:af9fa3d0731c 35 #define PUTC(x) {;}
kenjiArai 5:af9fa3d0731c 36 #define PRINTF(...) {;}
kenjiArai 5:af9fa3d0731c 37 #define READABLE(x) {;}
kenjiArai 5:af9fa3d0731c 38 #endif
mio 1:2a347c40b1da 39
kenjiArai 5:af9fa3d0731c 40 // Object ----------------------------------------------------------------------------------------
kenjiArai 8:7b033903c8fb 41 //DigitalOut led_gate(LED1);
kenjiArai 8:7b033903c8fb 42 DigitalIn sw_01(PC_0);
kenjiArai 8:7b033903c8fb 43 DigitalIn sw_10(PC_1);
kenjiArai 8:7b033903c8fb 44 Serial pc(USBTX, USBRX);
kenjiArai 8:7b033903c8fb 45 I2C i2cBus(PB_9,PB_8); // SDA, SCL
kenjiArai 8:7b033903c8fb 46 // PC_6,PC_7 & PB6 use for Timer3 & 4
kenjiArai 8:7b033903c8fb 47 // PA_0,PA_1 & PB_10 use for Timer2
kenjiArai 8:7b033903c8fb 48 FRQ_CUNTR fc(PC_6, 1.0); // Input port & gate time[sec]
kenjiArai 6:44c2bcbdd77b 49
kenjiArai 5:af9fa3d0731c 50 // RAM -------------------------------------------------------------------------------------------
kenjiArai 6:44c2bcbdd77b 51
kenjiArai 5:af9fa3d0731c 52 // ROM / Constant data ---------------------------------------------------------------------------
mio 1:2a347c40b1da 53
kenjiArai 5:af9fa3d0731c 54 // Function prototypes ---------------------------------------------------------------------------
kenjiArai 5:af9fa3d0731c 55
kenjiArai 5:af9fa3d0731c 56 // Function prototypes ---------------------------------------------------------------------------
kenjiArai 5:af9fa3d0731c 57
kenjiArai 5:af9fa3d0731c 58 //-------------------------------------------------------------------------------------------------
kenjiArai 5:af9fa3d0731c 59 // Control Program
kenjiArai 5:af9fa3d0731c 60 //-------------------------------------------------------------------------------------------------
kenjiArai 5:af9fa3d0731c 61 int main()
kenjiArai 5:af9fa3d0731c 62 {
kenjiArai 8:7b033903c8fb 63 uint32_t counter_1pps = 0;
kenjiArai 8:7b033903c8fb 64 uint32_t new_frequency = 0;
kenjiArai 8:7b033903c8fb 65
kenjiArai 8:7b033903c8fb 66 BAUD(9600);
kenjiArai 8:7b033903c8fb 67 // PA8 & PC9 uses for MCO_1 & MCO_2 -> Clock output for checking
kenjiArai 8:7b033903c8fb 68 fc.port_mco1_mco2_set(2); // Clk/2 ->1/1(100MHz) cannot measure!!
kenjiArai 8:7b033903c8fb 69 wait(1.0);
kenjiArai 8:7b033903c8fb 70 fc.read_frequency_TIM2(1.0);
kenjiArai 8:7b033903c8fb 71 fc.read_frequency_TIM3P4(1.0);
kenjiArai 6:44c2bcbdd77b 72 PRINTF("\r\nFrequency Counter by JH1PJL created on "__DATE__"\r\n");
kenjiArai 5:af9fa3d0731c 73 while(true) {
kenjiArai 8:7b033903c8fb 74 while (fc.status_1pps() == 0) {
kenjiArai 8:7b033903c8fb 75 ;
kenjiArai 5:af9fa3d0731c 76 }
kenjiArai 8:7b033903c8fb 77 counter_1pps = fc.read_avarage_1pps();
kenjiArai 8:7b033903c8fb 78 while (fc.status_freq_update() == 0) {
kenjiArai 8:7b033903c8fb 79 ;
kenjiArai 5:af9fa3d0731c 80 }
kenjiArai 8:7b033903c8fb 81 new_frequency = fc.read_freq_data();
kenjiArai 8:7b033903c8fb 82 PRINTF("1PPS/ave = %9d , FREQUENCY = %9d\r\n", counter_1pps, new_frequency);
mio 1:2a347c40b1da 83 }
mio 1:2a347c40b1da 84 }