assignment
Dependencies: BSP_B-L475E-IOT01
main.cpp@0:746ae63195a5, 2018-12-06 (annotated)
- Committer:
- alessioburatti
- Date:
- Thu Dec 06 16:47:50 2018 +0000
- Revision:
- 0:746ae63195a5
- Child:
- 1:14aa85a5009a
done
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
alessioburatti | 0:746ae63195a5 | 1 | |
alessioburatti | 0:746ae63195a5 | 2 | #include "mbed.h" |
alessioburatti | 0:746ae63195a5 | 3 | |
alessioburatti | 0:746ae63195a5 | 4 | #include "stm32l475e_iot01_tsensor.h" |
alessioburatti | 0:746ae63195a5 | 5 | |
alessioburatti | 0:746ae63195a5 | 6 | #include <stdio.h> |
alessioburatti | 0:746ae63195a5 | 7 | #include <errno.h> |
alessioburatti | 0:746ae63195a5 | 8 | |
alessioburatti | 0:746ae63195a5 | 9 | // Block devices |
alessioburatti | 0:746ae63195a5 | 10 | #if COMPONENT_SPIF |
alessioburatti | 0:746ae63195a5 | 11 | #include "SPIFBlockDevice.h" |
alessioburatti | 0:746ae63195a5 | 12 | #endif |
alessioburatti | 0:746ae63195a5 | 13 | |
alessioburatti | 0:746ae63195a5 | 14 | #if COMPONENT_DATAFLASH |
alessioburatti | 0:746ae63195a5 | 15 | #include "DataFlashBlockDevice.h" |
alessioburatti | 0:746ae63195a5 | 16 | #endif |
alessioburatti | 0:746ae63195a5 | 17 | |
alessioburatti | 0:746ae63195a5 | 18 | #if COMPONENT_SD |
alessioburatti | 0:746ae63195a5 | 19 | #include "SDBlockDevice.h" |
alessioburatti | 0:746ae63195a5 | 20 | #endif |
alessioburatti | 0:746ae63195a5 | 21 | |
alessioburatti | 0:746ae63195a5 | 22 | #include "HeapBlockDevice.h" |
alessioburatti | 0:746ae63195a5 | 23 | |
alessioburatti | 0:746ae63195a5 | 24 | // File systems |
alessioburatti | 0:746ae63195a5 | 25 | #include "LittleFileSystem.h" |
alessioburatti | 0:746ae63195a5 | 26 | #include "FATFileSystem.h" |
alessioburatti | 0:746ae63195a5 | 27 | |
alessioburatti | 0:746ae63195a5 | 28 | // Physical block device, can be any device that supports the BlockDevice API |
alessioburatti | 0:746ae63195a5 | 29 | /*SPIFBlockDevice bd( |
alessioburatti | 0:746ae63195a5 | 30 | MBED_CONF_SPIF_DRIVER_SPI_MOSI, |
alessioburatti | 0:746ae63195a5 | 31 | MBED_CONF_SPIF_DRIVER_SPI_MISO, |
alessioburatti | 0:746ae63195a5 | 32 | MBED_CONF_SPIF_DRIVER_SPI_CLK, |
alessioburatti | 0:746ae63195a5 | 33 | MBED_CONF_SPIF_DRIVER_SPI_CS);*/ |
alessioburatti | 0:746ae63195a5 | 34 | |
alessioburatti | 0:746ae63195a5 | 35 | |
alessioburatti | 0:746ae63195a5 | 36 | #define BLOCK_SIZE 512 |
alessioburatti | 0:746ae63195a5 | 37 | HeapBlockDevice bd(16384, BLOCK_SIZE); |
alessioburatti | 0:746ae63195a5 | 38 | |
alessioburatti | 0:746ae63195a5 | 39 | // File system declaration |
alessioburatti | 0:746ae63195a5 | 40 | LittleFileSystem fs("fs"); |
alessioburatti | 0:746ae63195a5 | 41 | |
alessioburatti | 0:746ae63195a5 | 42 | Ticker tTicker; |
alessioburatti | 0:746ae63195a5 | 43 | Thread t; |
alessioburatti | 0:746ae63195a5 | 44 | |
alessioburatti | 0:746ae63195a5 | 45 | static FILE *f; |
alessioburatti | 0:746ae63195a5 | 46 | volatile int counter = 0; |
alessioburatti | 0:746ae63195a5 | 47 | EventQueue queue(32 * EVENTS_EVENT_SIZE); |
alessioburatti | 0:746ae63195a5 | 48 | |
alessioburatti | 0:746ae63195a5 | 49 | InterruptIn button(USER_BUTTON); |
alessioburatti | 0:746ae63195a5 | 50 | |
alessioburatti | 0:746ae63195a5 | 51 | void printTemperatures() { |
alessioburatti | 0:746ae63195a5 | 52 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 53 | fflush(f); |
alessioburatti | 0:746ae63195a5 | 54 | fseek(f, 0, SEEK_SET); |
alessioburatti | 0:746ae63195a5 | 55 | float temperature; |
alessioburatti | 0:746ae63195a5 | 56 | while (!feof(f)) { |
alessioburatti | 0:746ae63195a5 | 57 | fscanf(f, "%f", &temperature); |
alessioburatti | 0:746ae63195a5 | 58 | printf("Temperature: %f\n", temperature); |
alessioburatti | 0:746ae63195a5 | 59 | } |
alessioburatti | 0:746ae63195a5 | 60 | fflush(f); |
alessioburatti | 0:746ae63195a5 | 61 | } |
alessioburatti | 0:746ae63195a5 | 62 | |
alessioburatti | 0:746ae63195a5 | 63 | void getTemperature() { |
alessioburatti | 0:746ae63195a5 | 64 | float temperature = BSP_TSENSOR_ReadTemp(); |
alessioburatti | 0:746ae63195a5 | 65 | fprintf(f, "%f\n", temperature); |
alessioburatti | 0:746ae63195a5 | 66 | fflush(f); |
alessioburatti | 0:746ae63195a5 | 67 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 68 | } |
alessioburatti | 0:746ae63195a5 | 69 | |
alessioburatti | 0:746ae63195a5 | 70 | void tickerBlock() { |
alessioburatti | 0:746ae63195a5 | 71 | queue.call(getTemperature); |
alessioburatti | 0:746ae63195a5 | 72 | } |
alessioburatti | 0:746ae63195a5 | 73 | |
alessioburatti | 0:746ae63195a5 | 74 | int main(){ |
alessioburatti | 0:746ae63195a5 | 75 | t.start(callback(&queue, &EventQueue::dispatch_forever)); |
alessioburatti | 0:746ae63195a5 | 76 | BSP_TSENSOR_Init(); |
alessioburatti | 0:746ae63195a5 | 77 | button.rise(&printTemperatures); |
alessioburatti | 0:746ae63195a5 | 78 | // Try to mount the filesystem |
alessioburatti | 0:746ae63195a5 | 79 | printf("Mounting the filesystem... "); |
alessioburatti | 0:746ae63195a5 | 80 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 81 | int err = fs.mount(&bd); |
alessioburatti | 0:746ae63195a5 | 82 | printf("%s\n", (err ? "Fail :(" : "OK")); |
alessioburatti | 0:746ae63195a5 | 83 | if (err) { |
alessioburatti | 0:746ae63195a5 | 84 | // Reformat if we can't mount the filesystem |
alessioburatti | 0:746ae63195a5 | 85 | // this should only happen on the first boot |
alessioburatti | 0:746ae63195a5 | 86 | printf("No filesystem found, formatting... "); |
alessioburatti | 0:746ae63195a5 | 87 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 88 | err = fs.reformat(&bd); |
alessioburatti | 0:746ae63195a5 | 89 | printf("%s\n", (err ? "Fail :(" : "OK")); |
alessioburatti | 0:746ae63195a5 | 90 | if (err) { |
alessioburatti | 0:746ae63195a5 | 91 | error("error: %s (%d)\n", strerror(-err), err); |
alessioburatti | 0:746ae63195a5 | 92 | } |
alessioburatti | 0:746ae63195a5 | 93 | } |
alessioburatti | 0:746ae63195a5 | 94 | |
alessioburatti | 0:746ae63195a5 | 95 | // Open the numbers file |
alessioburatti | 0:746ae63195a5 | 96 | printf("Opening \"/fs/numbers.txt\"... "); |
alessioburatti | 0:746ae63195a5 | 97 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 98 | f = fopen("/fs/numbers.txt", "r+"); |
alessioburatti | 0:746ae63195a5 | 99 | printf("%s\n", (!f ? "Fail :(" : "OK")); |
alessioburatti | 0:746ae63195a5 | 100 | if (!f) { |
alessioburatti | 0:746ae63195a5 | 101 | // Create the numbers file if it doesn't exist |
alessioburatti | 0:746ae63195a5 | 102 | printf("No file found, creating a new file... "); |
alessioburatti | 0:746ae63195a5 | 103 | fflush(stdout); |
alessioburatti | 0:746ae63195a5 | 104 | f = fopen("/fs/numbers.txt", "w+"); |
alessioburatti | 0:746ae63195a5 | 105 | printf("%s\n", (!f ? "Fail :(" : "OK")); |
alessioburatti | 0:746ae63195a5 | 106 | if (!f) { |
alessioburatti | 0:746ae63195a5 | 107 | error("error: %s (%d)\n", strerror(errno), -errno); |
alessioburatti | 0:746ae63195a5 | 108 | } |
alessioburatti | 0:746ae63195a5 | 109 | } |
alessioburatti | 0:746ae63195a5 | 110 | |
alessioburatti | 0:746ae63195a5 | 111 | tTicker.attach(&tickerBlock, 60); |
alessioburatti | 0:746ae63195a5 | 112 | } |