Vergil Cola
/
FRDM_K64F_IOT
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Dependencies: EthernetInterface SDFileSystem2 SerialShell mbed-rtos mbed
Fork of
FRDM_K64F-Ethernet
by 
Rangel Alvarado
Revision 1:10cb71a29f88, committed 2015-04-28
- Comitter:
- vpcola
- Date:
- Tue Apr 28 17:01:47 2015 +0000
- Parent:
- 0:bbc9cfdee3bc
- Commit message:
- A sample K64F solution with SerialShell, SDFileSystem and Ethernet support
Changed in this revision
--- a/EthernetInterface.lib Mon Sep 22 02:34:12 2014 +0000 +++ b/EthernetInterface.lib Tue Apr 28 17:01:47 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/EthernetInterface/#5887ae6c0c2c +http://mbed.org/users/mbed_official/code/EthernetInterface/#2fc406e2553f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Tue Apr 28 17:01:47 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/vpcola/code/SDFileSystem2/#572d27f56fcd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SerialShell.lib Tue Apr 28 17:01:47 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/vpcola/code/SerialShell/#25fa46a375dd
--- a/main.cpp Mon Sep 22 02:34:12 2014 +0000
+++ b/main.cpp Tue Apr 28 17:01:47 2015 +0000
@@ -1,11 +1,110 @@
#include "mbed.h"
#include "EthernetInterface.h"
+#include "SDFileSystem.h"
+#include "Shell.h"
#define MBED_DEV_IP "192.168.0.52"
#define MBED_DEV_MASK "255.255.255.0"
#define MBED_DEV_GW "0.0.0.0"
#define ECHO_SERVER_PORT 5000
+#define SD_MOSI PTE3
+#define SD_MISO PTE1
+#define SD_SCLK PTE2
+#define SD_CS PTE4
+#define SD_DETECT PTE6
+
+Serial pc(PTC17,PTC16);
+SDFileSystem sd(SD_MOSI, SD_MISO, SD_SCLK, SD_CS, "sd");
+
+#define SHELL_STACK_SIZ 1024
+// Pre-allocate the shell's stack (on global mem)
+unsigned char shellStack[SHELL_STACK_SIZ];
+Shell shell(&pc);
+
+/**
+ * \brief Gets the amount of free memory
+ * \param none
+ * \return none
+ **/
+static void cmd_mem(Stream * chp, int argc, char * argv[])
+{
+ // In order to get free mem within RTOS
+ // we need to get the main thread's stack pointer
+ // and subtract it with the top of the heap
+ // ------+-------------------+ Last Address of RAM (INITIAL_SP)
+ // | Scheduler Stack |
+ // +-------------------+
+ // | Main Thread Stack |
+ // | | |
+ // | v |
+ // +-------------------+ <- bottom_of_stack/__get_MSP()
+ // RAM | |
+ // | Available RAM |
+ // | |
+ // +-------------------+ <- top_of_heap
+ // | ^ |
+ // | | |
+ // | Heap |
+ // +-------------------+ <- __end__ / HEAP_START (linker defined var)
+ // | ZI |
+ // +-------------------+
+ // | ZI: Shell Stack |
+ // +-------------------+
+ // | ZI: Idle Stack |
+ // +-------------------+
+ // | ZI: Timer Stack |
+ // +-------------------+
+ // | RW |
+ // ------+===================+ First Address of RAM
+ // | |
+ // Flash | |
+ //
+
+ uint32_t bottom_of_stack = __get_MSP();
+ char * top_of_heap = (char *) malloc(sizeof(char));
+ uint32_t diff = bottom_of_stack - (uint32_t) top_of_heap;
+
+ free((void *) top_of_heap);
+
+ chp->printf("Available Memory : %d bytes\r\n",
+ diff);
+}
+
+/**
+ * \brief List Directories and files
+ * \param none
+ * \return int
+ **/
+static void cmd_ls(Stream * chp, int argc, char * argv[])
+{
+ DIR * dp;
+ struct dirent * dirp;
+ FILINFO fileInfo;
+ char dirroot[256];
+
+ if (argc >= 1)
+ sprintf(dirroot, "/sd/%s", argv[0]);
+ else
+ sprintf(dirroot, "/sd");
+
+ chp->printf("Listing directory [%s]\r\n", dirroot);
+
+ dp = opendir(dirroot);
+ while((dirp = readdir(dp)) != NULL)
+ {
+ if (sd.stat(dirp->d_name, &fileInfo) == 0)
+ {
+ if (fileInfo.fattrib & AM_DIR )
+ chp->printf("<DIR>\t\t");
+ else
+ chp->printf("%ld\t\t", fileInfo.fsize);
+ }
+ chp->printf("%s\r\n", dirp->d_name);
+ }
+ closedir(dp);
+}
+
int main (void) {
EthernetInterface eth;
@@ -16,7 +115,15 @@
TCPSocketServer server;
server.bind(ECHO_SERVER_PORT);
server.listen();
+
+ // Start the shell
+ pc.printf("Starting debug shell ...\r\n");
+ shell.addCommand("ls", cmd_ls);
+ shell.addCommand("mem", cmd_mem);
+ // Start the thread statically (separate stack)
+ shell.start(osPriorityNormal, SHELL_STACK_SIZ, shellStack);
+
while (true) {
printf("\nWait for new connection...\n");
TCPSocketConnection client;
--- a/mbed-rtos.lib Mon Sep 22 02:34:12 2014 +0000 +++ b/mbed-rtos.lib Tue Apr 28 17:01:47 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#631c0f1008c3 +http://mbed.org/users/mbed_official/code/mbed-rtos/#557d5b275f31
--- a/mbed.bld Mon Sep 22 02:34:12 2014 +0000 +++ b/mbed.bld Tue Apr 28 17:01:47 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/433970e64889 \ No newline at end of file