Vergil Cola / Mbed 2 deprecated FRDM_K64F_IOT

Sample application using SerialShell, SDFileSystem and Ethernet support

Dependencies:   EthernetInterface SDFileSystem2 SerialShell mbed-rtos mbed

Fork of FRDM_K64F-Ethernet by Rangel Alvarado

main.cpp@1:10cb71a29f88, 2015-04-28 (annotated)

Committer:
vpcola
Date:
Tue Apr 28 17:01:47 2015 +0000
Revision:
1:10cb71a29f88
Parent:
0:bbc9cfdee3bc 
A sample K64F solution with SerialShell, SDFileSystem and Ethernet support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
issaiass 0:bbc9cfdee3bc 1 #include "mbed.h"
issaiass 0:bbc9cfdee3bc 2 #include "EthernetInterface.h"
vpcola 1:10cb71a29f88 3 #include "SDFileSystem.h"
vpcola 1:10cb71a29f88 4 #include "Shell.h"
issaiass 0:bbc9cfdee3bc 5
issaiass 0:bbc9cfdee3bc 6 #define MBED_DEV_IP "192.168.0.52"
issaiass 0:bbc9cfdee3bc 7 #define MBED_DEV_MASK "255.255.255.0"
issaiass 0:bbc9cfdee3bc 8 #define MBED_DEV_GW "0.0.0.0"
issaiass 0:bbc9cfdee3bc 9 #define ECHO_SERVER_PORT 5000
issaiass 0:bbc9cfdee3bc 10
vpcola 1:10cb71a29f88 11 #define SD_MOSI PTE3
vpcola 1:10cb71a29f88 12 #define SD_MISO PTE1
vpcola 1:10cb71a29f88 13 #define SD_SCLK PTE2
vpcola 1:10cb71a29f88 14 #define SD_CS PTE4
vpcola 1:10cb71a29f88 15 #define SD_DETECT PTE6
vpcola 1:10cb71a29f88 16
vpcola 1:10cb71a29f88 17 Serial pc(PTC17,PTC16);
vpcola 1:10cb71a29f88 18 SDFileSystem sd(SD_MOSI, SD_MISO, SD_SCLK, SD_CS, "sd");
vpcola 1:10cb71a29f88 19
vpcola 1:10cb71a29f88 20 #define SHELL_STACK_SIZ 1024
vpcola 1:10cb71a29f88 21 // Pre-allocate the shell's stack (on global mem)
vpcola 1:10cb71a29f88 22 unsigned char shellStack[SHELL_STACK_SIZ];
vpcola 1:10cb71a29f88 23 Shell shell(&pc);
vpcola 1:10cb71a29f88 24
vpcola 1:10cb71a29f88 25 /**
vpcola 1:10cb71a29f88 26 * \brief Gets the amount of free memory
vpcola 1:10cb71a29f88 27 * \param none
vpcola 1:10cb71a29f88 28 * \return none
vpcola 1:10cb71a29f88 29 **/
vpcola 1:10cb71a29f88 30 static void cmd_mem(Stream * chp, int argc, char * argv[])
vpcola 1:10cb71a29f88 31 {
vpcola 1:10cb71a29f88 32 // In order to get free mem within RTOS
vpcola 1:10cb71a29f88 33 // we need to get the main thread's stack pointer
vpcola 1:10cb71a29f88 34 // and subtract it with the top of the heap
vpcola 1:10cb71a29f88 35 // ------+-------------------+ Last Address of RAM (INITIAL_SP)
vpcola 1:10cb71a29f88 36 // | Scheduler Stack |
vpcola 1:10cb71a29f88 37 // +-------------------+
vpcola 1:10cb71a29f88 38 // | Main Thread Stack |
vpcola 1:10cb71a29f88 39 // | | |
vpcola 1:10cb71a29f88 40 // | v |
vpcola 1:10cb71a29f88 41 // +-------------------+ <- bottom_of_stack/__get_MSP()
vpcola 1:10cb71a29f88 42 // RAM | |
vpcola 1:10cb71a29f88 43 // | Available RAM |
vpcola 1:10cb71a29f88 44 // | |
vpcola 1:10cb71a29f88 45 // +-------------------+ <- top_of_heap
vpcola 1:10cb71a29f88 46 // | ^ |
vpcola 1:10cb71a29f88 47 // | | |
vpcola 1:10cb71a29f88 48 // | Heap |
vpcola 1:10cb71a29f88 49 // +-------------------+ <- __end__ / HEAP_START (linker defined var)
vpcola 1:10cb71a29f88 50 // | ZI |
vpcola 1:10cb71a29f88 51 // +-------------------+
vpcola 1:10cb71a29f88 52 // | ZI: Shell Stack |
vpcola 1:10cb71a29f88 53 // +-------------------+
vpcola 1:10cb71a29f88 54 // | ZI: Idle Stack |
vpcola 1:10cb71a29f88 55 // +-------------------+
vpcola 1:10cb71a29f88 56 // | ZI: Timer Stack |
vpcola 1:10cb71a29f88 57 // +-------------------+
vpcola 1:10cb71a29f88 58 // | RW |
vpcola 1:10cb71a29f88 59 // ------+===================+ First Address of RAM
vpcola 1:10cb71a29f88 60 // | |
vpcola 1:10cb71a29f88 61 // Flash | |
vpcola 1:10cb71a29f88 62 //
vpcola 1:10cb71a29f88 63
vpcola 1:10cb71a29f88 64 uint32_t bottom_of_stack = __get_MSP();
vpcola 1:10cb71a29f88 65 char * top_of_heap = (char *) malloc(sizeof(char));
vpcola 1:10cb71a29f88 66 uint32_t diff = bottom_of_stack - (uint32_t) top_of_heap;
vpcola 1:10cb71a29f88 67
vpcola 1:10cb71a29f88 68 free((void *) top_of_heap);
vpcola 1:10cb71a29f88 69
vpcola 1:10cb71a29f88 70 chp->printf("Available Memory : %d bytes\r\n",
vpcola 1:10cb71a29f88 71 diff);
vpcola 1:10cb71a29f88 72 }
vpcola 1:10cb71a29f88 73
vpcola 1:10cb71a29f88 74 /**
vpcola 1:10cb71a29f88 75 * \brief List Directories and files
vpcola 1:10cb71a29f88 76 * \param none
vpcola 1:10cb71a29f88 77 * \return int
vpcola 1:10cb71a29f88 78 **/
vpcola 1:10cb71a29f88 79 static void cmd_ls(Stream * chp, int argc, char * argv[])
vpcola 1:10cb71a29f88 80 {
vpcola 1:10cb71a29f88 81 DIR * dp;
vpcola 1:10cb71a29f88 82 struct dirent * dirp;
vpcola 1:10cb71a29f88 83 FILINFO fileInfo;
vpcola 1:10cb71a29f88 84 char dirroot[256];
vpcola 1:10cb71a29f88 85
vpcola 1:10cb71a29f88 86 if (argc >= 1)
vpcola 1:10cb71a29f88 87 sprintf(dirroot, "/sd/%s", argv[0]);
vpcola 1:10cb71a29f88 88 else
vpcola 1:10cb71a29f88 89 sprintf(dirroot, "/sd");
vpcola 1:10cb71a29f88 90
vpcola 1:10cb71a29f88 91 chp->printf("Listing directory [%s]\r\n", dirroot);
vpcola 1:10cb71a29f88 92
vpcola 1:10cb71a29f88 93 dp = opendir(dirroot);
vpcola 1:10cb71a29f88 94 while((dirp = readdir(dp)) != NULL)
vpcola 1:10cb71a29f88 95 {
vpcola 1:10cb71a29f88 96 if (sd.stat(dirp->d_name, &fileInfo) == 0)
vpcola 1:10cb71a29f88 97 {
vpcola 1:10cb71a29f88 98 if (fileInfo.fattrib & AM_DIR )
vpcola 1:10cb71a29f88 99 chp->printf("<DIR>\t\t");
vpcola 1:10cb71a29f88 100 else
vpcola 1:10cb71a29f88 101 chp->printf("%ld\t\t", fileInfo.fsize);
vpcola 1:10cb71a29f88 102 }
vpcola 1:10cb71a29f88 103 chp->printf("%s\r\n", dirp->d_name);
vpcola 1:10cb71a29f88 104 }
vpcola 1:10cb71a29f88 105 closedir(dp);
vpcola 1:10cb71a29f88 106 }
vpcola 1:10cb71a29f88 107
issaiass 0:bbc9cfdee3bc 108
issaiass 0:bbc9cfdee3bc 109 int main (void) {
issaiass 0:bbc9cfdee3bc 110 EthernetInterface eth;
issaiass 0:bbc9cfdee3bc 111 eth.init(MBED_DEV_IP, MBED_DEV_MASK, MBED_DEV_GW); //Assign a device ip, mask and gateway
issaiass 0:bbc9cfdee3bc 112 eth.connect();
issaiass 0:bbc9cfdee3bc 113 printf("IP Address is %s\n", eth.getIPAddress());
issaiass 0:bbc9cfdee3bc 114
issaiass 0:bbc9cfdee3bc 115 TCPSocketServer server;
issaiass 0:bbc9cfdee3bc 116 server.bind(ECHO_SERVER_PORT);
issaiass 0:bbc9cfdee3bc 117 server.listen();
vpcola 1:10cb71a29f88 118
vpcola 1:10cb71a29f88 119 // Start the shell
vpcola 1:10cb71a29f88 120 pc.printf("Starting debug shell ...\r\n");
vpcola 1:10cb71a29f88 121 shell.addCommand("ls", cmd_ls);
vpcola 1:10cb71a29f88 122 shell.addCommand("mem", cmd_mem);
vpcola 1:10cb71a29f88 123 // Start the thread statically (separate stack)
vpcola 1:10cb71a29f88 124 shell.start(osPriorityNormal, SHELL_STACK_SIZ, shellStack);
issaiass 0:bbc9cfdee3bc 125
vpcola 1:10cb71a29f88 126
issaiass 0:bbc9cfdee3bc 127 while (true) {
issaiass 0:bbc9cfdee3bc 128 printf("\nWait for new connection...\n");
issaiass 0:bbc9cfdee3bc 129 TCPSocketConnection client;
issaiass 0:bbc9cfdee3bc 130 server.accept(client);
issaiass 0:bbc9cfdee3bc 131 client.set_blocking(false, 1500); // Timeout after (1.5)s
issaiass 0:bbc9cfdee3bc 132
issaiass 0:bbc9cfdee3bc 133 printf("Connection from: %s\n", client.get_address());
issaiass 0:bbc9cfdee3bc 134 char buffer[256];
issaiass 0:bbc9cfdee3bc 135 while (true) {
issaiass 0:bbc9cfdee3bc 136 int n = client.receive(buffer, sizeof(buffer));
issaiass 0:bbc9cfdee3bc 137 if (n <= 0) break;
issaiass 0:bbc9cfdee3bc 138
issaiass 0:bbc9cfdee3bc 139 client.send_all(buffer, n);
issaiass 0:bbc9cfdee3bc 140 if (n <= 0) break;
issaiass 0:bbc9cfdee3bc 141 }
issaiass 0:bbc9cfdee3bc 142
issaiass 0:bbc9cfdee3bc 143 client.close();
issaiass 0:bbc9cfdee3bc 144 }
issaiass 0:bbc9cfdee3bc 145 }