SD-Card Control Program / Using Micro-SD / based on SDCardTest Program (http://mbed.org/users/simon/programs/SDCardTest/gpdz4x/)
Dependencies: mbed SDFileSystem
Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#
Diff: org_main.cpp
- Revision:
- 2:1397a54382ec
diff -r 484feaf2da84 -r 1397a54382ec org_main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org_main.cpp Sat Apr 07 01:29:41 2018 +0000 @@ -0,0 +1,205 @@ +#if 0 +/* + * mbed Application program + * SD-Card Control Program + * + * Copyright (c) 2010-2014 Kenji Arai / JH1PJL + * http://www.page.sannet.ne.jp/kenjia/index.html + * http://mbed.org/users/kenjiArai/ + * March 28th, 2010 Started + * April 3rd, 2010 + * October 3rd, 2014 use latest lib. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE + * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +//------------------------------------------------------------------------------------------------- +// Function +// 5 channeles ADC data records into a file which is located in SD-Card +// If USE_LCD = 1, data shows on a Text LCD +// If USE_RTC = 1, time stamp also writes in the file +// Connection +// Analog input PIN 15,16,17,19,20 +// LCD PIN 22,21,8,7,6,5 +// -> CAUTION!! pin assignment is different +// with " http://mbed.org/projects/cookbook/wiki/TextLCD " +// RTC PIN 3 needs to connect 3V Battery +// -> Please refer my program " RTC_w_COM" for time adjustment +// at " http://mbed.org/users/kenjiArai/programs/RTC_w_COM/5yi9a/ " +//------------------------------------------------------------------------------------------------- + +// Include --------------------------------------------------------------------------------------- +#include "mbed.h" +#include "TextLCD.h" +#include "SDFileSystem.h" + +// Definition ------------------------------------------------------------------------------------ +#define DEBUG 1 // 1= Shows progress on PC via USB ( virtual COM line) +#define USE_LCD 1 // 1= Display the data on LCD +#define USE_RTC 1 // 1= Use RTC (need 3V supply and time adjustment before use) + +#define NO_OF_SAMPLE 100 // Total recording length -> unit=sec +#define TIM_INTVL 10 // Insert time stamp in the file every ?? sec + +// Object ---------------------------------------------------------------------------------------- +DigitalOut myled(LED1); // Indicate the sampling period +#if USE_LCD +TextLCD lcd(p22, p21, p8, p7, p6, p5, TextLCD::LCD40x2); // rs, e, d4-d7 +#endif +AnalogIn ain_G_X(p15); // G Sensor +AnalogIn ain_G_Y(p16); // G Sensor +AnalogIn ain_G_Z(p17); // G Sensor +AnalogIn ain_BAT(p19); // Battery Volt +AnalogIn ain_TEMP(p20); // Temperature Sensor +SDFileSystem sd(p11, p12, p13, p14, "sd"); // do,di,clk,cs +#if DEBUG +Serial pc(USBTX, USBRX); +#endif + +// RAM ------------------------------------------------------------------------------------------- + +// ROM / Constant data --------------------------------------------------------------------------- + +// Function prototypes --------------------------------------------------------------------------- + +//------------------------------------------------------------------------------------------------- +// Control Program +//------------------------------------------------------------------------------------------------- +int main() +{ + char buf[40]; // data buffer for text + int count; // count for number of record + float x,y,z,b,t; // Analog data +#if USE_RTC + time_t seconds, old_sec; // RTC data based on seconds + int i; +#endif + + // Open the file +#if USE_RTC + seconds = time(NULL); + seconds %= 100000000; // Adjust 8 charcters file name + sprintf(buf,"/sd/%d.txt",seconds); // File name is defined based on time from 1970/1/1 + FILE *fp = fopen(buf, "w"); // Open "out.txt" on the local file system for writing +#if DEBUG + printf("\r\n %s \r\n", buf); // File name on the screen + printf(" use RTC\r\n"); +#endif +#else + FILE *fp = fopen("/sd/out.txt", "w");// Open "out.txt" on the local file system for writing +#if DEBUG + printf("\r\n /sd/out.txt\r\n"); // File name on the screen + printf(" Not use RTC\r\n"); +#endif +#endif + if(fp == NULL) { + // File not open and stop +#if USE_LCD + lcd.printf(" Could not open file for write\n"); +#endif +#if DEBUG + printf( "\r\n Could not open file for write\r\n"); +#endif + while(1) ; + } + // Success file access + fprintf(fp, "This is a test program for logging /by JH1PJL\r\n"); +#if DEBUG + printf( "This is a test program for logging /by JH1PJL\r\n"); + printf("\r\nStart sampling\r\n"); +#endif +#if USE_LCD + lcd.cls(); +#endif + + count = 0; // Initialze counter +#if USE_RTC + seconds = time(NULL); // Put time stamp in the file + old_sec = seconds; + strftime(buf,40, "Time:%I:%M:%S %p, %Y/%m/%d\r\n", localtime(&seconds)); + fprintf(fp,buf); +#if DEBUG + printf(" %s \r\n", buf); +#endif +#endif + while(1) { + // check time interval (1sec) +#if USE_RTC + myled = 1; + wait(0.5); + myled = 0; + while ((seconds = time(NULL)) == old_sec) ; // Wait 1 sec for loop + old_sec = seconds; +#else + myled = 1; + wait(0.5); + myled = 0; + wait(0.5); +#endif + // Get analog data from each port + x=ain_G_X.read(); + y=ain_G_Y.read(); + z=ain_G_Z.read(); + b=ain_BAT.read(); + t=ain_TEMP.read(); + // Write data into the file + sprintf(buf, "G-Sen, %f, %f, %f \r\n", x, y, z); + fprintf(fp,buf); +#if USE_LCD + lcd.locate(0, 0); // 1st line top + lcd.printf(buf); +#endif +#if DEBUG + printf(" %s", buf); +#endif + sprintf(buf, "VB, %f, T, %f \r\n", b, t); + fprintf(fp,buf); +#if USE_LCD + lcd.locate(0, 1); // 2nd line top + lcd.printf(buf); +#endif +#if DEBUG + printf(" %s", buf); +#endif + // if reach to expected data number then finsh + if (++count > NO_OF_SAMPLE) { + break; + } + // Set time satmp +#if USE_RTC + i = count / TIM_INTVL; + if (count == i * TIM_INTVL) { + //seconds = time(NULL); // this line is wrong! BUG + strftime(buf,40, "Time:%I:%M:%S %p, %Y/%m/%d\r\n", localtime(&seconds)); + fprintf(fp, buf); +#if DEBUG + printf(" %s", buf); +#endif + } +#endif +#if DEBUG + printf("Sampling #%d/end=%d\r\n", count, NO_OF_SAMPLE); +#endif + } + // Set time satmp +#if USE_RTC + sprintf(buf,"Sampling numbers: %d\r\n", count-1); + fprintf(fp, buf); + seconds = time(NULL); + strftime(buf,40, "Time:%I:%M:%S %p, %Y/%m/%d\r\n", localtime(&seconds)); + fprintf(fp, buf); +#if DEBUG + printf(" %s", buf); +#endif +#endif + fclose(fp); + // for debug +#if DEBUG + printf("\r\nFinished sampling\r\n"); +#endif +} +#endif