Test application for the library FM24Vxx_I2C
Dependencies: DebugLibrary FM24Vxx_I2C mbed
Revision 0:30f4bcb2a3c0, committed 2013-03-23
- Comitter:
- Yann
- Date:
- Sat Mar 23 15:54:36 2013 +0000
- Child:
- 1:e3c92ff30be3
- Commit message:
- Createapplication test for library interface for FM24V10 1Mb Serial 3V F-RAM Memory
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DebugLibrary.lib Sat Mar 23 15:54:36 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Yann/code/DebugLibrary/#a11adabe9ded
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FM24Vxx_I2C.lib Sat Mar 23 15:54:36 2013 +0000 @@ -0,0 +1,1 @@ +FM24Vxx_I2C#fa858f79d48d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Mar 23 15:54:36 2013 +0000
@@ -0,0 +1,479 @@
+#include <string>
+#include <iostream>
+#include <iomanip>
+
+#include "FM24Vxx_I2C.h"
+
+struct UserChoice {
+ char choice;
+ unsigned char moduleId;
+};
+
+/*
+ * Declare functions
+ */
+void AvailableIndicator(); // LED1 flashing for program while program is alive
+UserChoice DisplayMenuAndGetChoice(); // Display and get the user choice
+void RunStateMachine_WithStdStringValue(); // Write and read a string
+void RunStateMachine_WithByteValue(); // Write and read a byte
+void RunStateMachine_WithShortValue(CFM24VXX_I2C::Mode p_mode); // Write and read a short
+void RunStateMachine_WithIntegerValue(CFM24VXX_I2C::Mode p_mode); // Write and read an integer
+void RunStateMachine_WithStdVectorOfByteValue(); // Write and read a buffer of bytes
+void RunStateMachine_WithLengthPlusStdVectorOfByteValue(); // Write and read a buffer of bytes
+void ReadStdStringValue(const int p_address); // Read a string
+
+enum States {
+ Idle, // Idle state / Read memory operation done
+ Write, // Write memory operation
+ Written, // Write memory operation done
+ Read // Read memory operation
+};
+States g_state; // Process states for memory operations
+
+DigitalOut g_availableLed(LED1); // To verify if program in running
+Ticker g_available; // LED1 will flash with a period of 2s
+DigitalOut g_singleSeqNumScope(p6); // To synchronize the num scope to capture I2C trame
+UserChoice g_userChoice; // Used to store user choice from displayed menu
+
+CFM24VXX_I2C g_myEEPROM(p9, p10, 0x01, p5, 400000); // Create an instance of the class CFM24VXX_I2C, p9/28: SDA, p10/29:SDL, p5: wired to WP input of FM24Vxx, address: A2=0,A1=1, on I2C bus
+
+int main() {
+
+ g_singleSeqNumScope = 0;
+
+ // Launch available indicator
+ g_available.attach(&AvailableIndicator, 2.0);
+
+ g_myEEPROM.WriteProtect(false); // Disabe WP (pin 7) - See DS21203M - Clause 2.4 Write-Protect (WP)
+
+ while (true) { // Interrupt driven processing
+ g_state = Idle; // Set initial state
+ g_userChoice = DisplayMenuAndGetChoice(); // Retrieve the user selection
+ DEBUG("User selects I2C Module %x", g_userChoice.moduleId)
+ switch (g_userChoice.choice) {
+ case 'a':
+ do {
+ RunStateMachine_WithStdStringValue();
+ } while (g_state != Idle);
+ break;
+ case 'b':
+ do {
+ RunStateMachine_WithByteValue();
+ } while (g_state != Idle);
+ break;
+ case 'c':
+ do {
+ RunStateMachine_WithShortValue(CFM24VXX_I2C::BigEndian);
+ } while (g_state != Idle);
+ break;
+ case 'd':
+ do {
+ RunStateMachine_WithShortValue(CFM24VXX_I2C::LittleEndian);
+ } while (g_state != Idle);
+ break;
+ case 'e':
+ do {
+ RunStateMachine_WithIntegerValue(CFM24VXX_I2C::BigEndian);
+ } while (g_state != Idle);
+ break;
+ case 'f':
+ do {
+ RunStateMachine_WithIntegerValue(CFM24VXX_I2C::LittleEndian);
+ } while (g_state != Idle);
+ break;
+ case 'g':
+ do {
+ RunStateMachine_WithStdVectorOfByteValue();
+ } while (g_state != Idle);
+ break;
+ case 'h':
+ do {
+ RunStateMachine_WithLengthPlusStdVectorOfByteValue();
+ } while (g_state != Idle);
+ break;
+ case 'i':
+ ReadStdStringValue(0x0100);
+ break;
+ case 'j':
+ ReadStdStringValue(0);
+ break;
+ case 'k':
+#if defined(__DEBUG)
+ g_myEEPROM.DumpMemoryArea(0, 0x14);
+#else // __DEBUG
+ std::cout << "DEBUG mode is not set, nothing to do!\r" << std::endl;
+#endif // __DEBUG
+ break;
+ case 'l':
+ g_myEEPROM.EraseMemoryArea(0, 0x14);
+ break;
+ case 'm':
+ {
+ std::string test("Test");
+ g_myEEPROM.Write(10, test);
+ }
+ break;
+ case 'n':
+ ReadStdStringValue(10);
+ break;
+ default:
+ std::cout << "Invalid user choice\r" << std::endl;
+ break;
+ } // End of 'switch' statement
+ } // End of 'while' statement
+} // End of program - nerver reached
+
+void AvailableIndicator()
+{
+ g_availableLed = !g_availableLed;
+} // End of AvailableIndicator
+
+UserChoice DisplayMenuAndGetChoice()
+{
+ static UserChoice userChoice;
+
+ // Display the title
+ std::cout << "\r" << std::endl << "FM24Vxx_I2C v0.1\r" << std::endl;
+ // Display the menu
+ std::cout << "\tWrite/Read with std::string:\t\t\ta\r" << std::endl;
+ std::cout << "\tWrite/Read with a byte:\t\t\t\tb\r" << std::endl;
+ std::cout << "\tWrite/Read with a short (Big Endian):\t\tc\r" << std::endl;
+ std::cout << "\tWrite/Read with a short (Little Endian):\td\r" << std::endl;
+ std::cout << "\tWrite/Read with an integer (Big Endian):\te\r" << std::endl;
+ std::cout << "\tWrite/Read with an integer (Little Endian):\tf\r" << std::endl;
+ std::cout << "\tWrite/Read with std::vector<byte>:\t\tg\r" << std::endl;
+ std::cout << "\tWrite/Read with std::vector<byte> + length:\th\r" << std::endl;
+ std::cout << "\tRead with std::string:\t\t\t\ti\r" << std::endl;
+ std::cout << "\tRead a string is address 0x0000:\t\tj\r" << std::endl;
+ std::cout << "\tHexadump from address 0x0000:\t\t\tk\r" << std::endl;
+ std::cout << "\tErase from address 0x0000:\t\t\tl\r" << std::endl;
+ std::cout << "\tWrite 'Test' at address 0x000a:\t\t\tm\r" << std::endl;
+ std::cout << "\tRead from address 0x000a:\t\t\tn\r" << std::endl;
+ std::cout << "Enter your choice: " << std::flush;
+ userChoice.choice = getchar();
+ return userChoice;
+}
+
+void RunStateMachine_WithStdStringValue()
+{
+ DEBUG_ENTER("RunStateMachine_WithStdStringValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write: {
+ DEBUG("Writing data...");
+ time_t ctTime;
+ ctTime = time(NULL);
+ std::string str("Current time is: ");
+ str += ctime(&ctTime);
+ str += " UTC";
+ std::cout << "RunStateMachine_WithStdStringValue: Write '" << str << "'\r" << std::endl;
+ g_singleSeqNumScope = 1;
+ if (!g_myEEPROM.Write(256, str)) { // Write the string, including the length indicator
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithStdStringValue: write failed at address 256")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithStdStringValue: write failed at address 256\r" << std::endl;
+#endif // __DEBUG
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ g_singleSeqNumScope = 0;
+ }
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...");
+ std::string readtext;
+ if (!g_myEEPROM.Read(256, readtext)) { // Read the string, including the length indicator
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithStdStringValue: write failed at address 256")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithStdStringValue: write failed at address 256\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "RunStateMachine_WithStdStringValue: Read: " << readtext << "\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithStdStringValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithStdStringValue")
+}
+
+void RunStateMachine_WithByteValue() {
+ DEBUG_ENTER("RunStateMachine_WithByteValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write:
+ DEBUG("Writing data...")
+ std::cout << "RunStateMachine_WithByteValue: Write 0xaa\r" << std::endl;
+ g_singleSeqNumScope = 1;
+ if (!g_myEEPROM.Write(128, (unsigned char)0xaa)) {
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithByteValue: write failed at address 128")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithByteValue: write failed at address 128\r" << std::endl;
+#endif // __DEBUG
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ g_singleSeqNumScope = 0;
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...")
+ unsigned char value = 0x00;
+ if (!g_myEEPROM.Read(128, &value)) {
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithByteValue: Read operation failed at address 128")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithByteValue: Read operation failed at address 128\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "RunStateMachine_WithByteValue: Read '0x" << std::setw(2) << std::setfill('0') << std::ios::hex << value << "'\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithByteValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithByteValue")
+}
+
+void RunStateMachine_WithShortValue(CFM24VXX_I2C::Mode p_mode) {
+ DEBUG_ENTER("RunStateMachine_WithShortValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write:
+ DEBUG("Writing data...")
+ std::cout << "RunStateMachine_WithShortValue: Write 0xbeef\r" << std::endl;
+ if (!g_myEEPROM.Write(64, (short)0xbeef, p_mode)) { // See http://en.wikipedia.org/wiki/Hexspeak for more ideas on hexadecimal wording!!!
+ DEBUG_FATAL("RunStateMachine_WithShortValue: write failed at address 64")
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...");
+ short value = 0;
+ if (!g_myEEPROM.Read(64, &value, p_mode)) {
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithShortValue: write failed at address 64")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithShortValue: write failed at address 64\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "RunStateMachine_WithShortValue: Read '0x" << std::cout << std::setw(4) << std::setfill('0') << std::hex << value << "' / '" << (unsigned short)value << "'\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithShortValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithShortValue")
+}
+
+void RunStateMachine_WithIntegerValue(CFM24VXX_I2C::Mode p_mode) {
+ DEBUG_ENTER("RunStateMachine_WithIntegerValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write:
+ DEBUG("Writing data...")
+ std::cout << "RunStateMachine_WithIntegerValue: Write 0xdeaddead\r" << std::endl;
+ if (!g_myEEPROM.Write(32, (int)0xdeaddead, p_mode)) {
+ DEBUG_FATAL("RunStateMachine_WithIntegerValue: write failed at address 32")
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...")
+ int value = 0;
+ if (!g_myEEPROM.Read(32, &value, p_mode)) {
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithIntegerValue: write failed at address 32")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithIntegerValue: write failed at address 32\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << std::setw(8) << std::setfill('0') << std::hex << "RunStateMachine_WithIntegerValue: Read '0x" << value << "'/ '" << (unsigned int)value << "'\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithIntegerValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithIntegerValue")
+}
+
+void RunStateMachine_WithStdVectorOfByteValue() {
+ DEBUG_ENTER("RunStateMachine_WithStdVectorOfByteValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write: {
+ std::vector<unsigned char> datas;
+ datas.push_back(0xfe);
+ datas.push_back(0xed);
+ datas.push_back(0xfa);
+ datas.push_back(0xce);
+ DEBUG("Writing data...")
+ std::cout << "RunStateMachine_WithStdVectorOfByteValue: Write {0xfe, 0xed, 0xfa, 0xce}\r" << std::endl;
+ if (!g_myEEPROM.Write(16, datas, false)) { // Write the full buffer, not including the length indication
+ DEBUG_FATAL("RunStateMachine_WithStdVectorOfByteValue: write failed at address 16")
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ }
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...")
+ std::vector<unsigned char> datas(4);
+ if (!g_myEEPROM.Read(16, datas, false)) { // Read bytes, without the lenght indication, buffer size shall be set before the call
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithStdVectorOfByteValue: write failed at address 16")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithStdVectorOfByteValue: write failed at address 16\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "RunStateMachine_WithStdVectorOfByteValue: Read {" << "', '" << datas[0] << "', '" << datas[1] << "', '" << datas[2] << "', '" << datas[3] <<"'}\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithStdVectorOfByteValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithStdVectorOfByteValue")
+}
+
+void RunStateMachine_WithLengthPlusStdVectorOfByteValue() {
+ DEBUG_ENTER("RunStateMachine_WithLengthPlusStdVectorOfByteValue")
+
+ switch (g_state) {
+ case Idle:
+ g_state = Write;
+ break;
+ case Write: {
+ DEBUG("Writing data...")
+ std::vector<unsigned char> datas;
+ datas.push_back(0xde);
+ datas.push_back(0x5e);
+ datas.push_back(0xa5);
+ datas.push_back(0xed);
+ std::cout << "RunStateMachine_WithLengthPlusStdVectorOfByteValue: Write {0xde, 0x5e, 0xa5, 0xed}\r" << std::endl;
+ if (!g_myEEPROM.Write(8, datas)) { // Write the full buffer, including the length indication
+ DEBUG_FATAL("RunStateMachine_WithLengthPlusStdVectorOfByteValue: write failed at address 8")
+ g_state = Idle;
+ } else {
+ g_state = Written;
+ }
+ }
+ break;
+ case Written:
+ g_state = Read;
+ wait(1.0); // To prevent I2C bus capacity memeory
+ break;
+ case Read: {
+ DEBUG("Reading datas...")
+ std::vector<unsigned char> datas;
+ if (!g_myEEPROM.Read(8, datas)) { // Read bytes, including the lenght indication, buffer size is not set before the call
+#ifdef __DEBUG
+ DEBUG_FATAL("RunStateMachine_WithStdVectorOfByteValue: write failed at address 8")
+#else // __DEBUG
+ std::cout << "RunStateMachine_WithStdVectorOfByteValue: write failed at address 8\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "RunStateMachine_WithLengthPlusStdVectorOfByteValue: Read bytes:\r" << std::endl;
+ vector<unsigned char>::iterator it;
+ for (it = datas.begin() ; it < datas.end(); it++) {
+ std::cout << "0x" << std::setw(2) << std::setfill('0') << std::hex << *it << " ";
+ }
+ std::cout << "\r" << std::endl;
+ }
+ }
+ g_state = Idle;
+ break;
+ default:
+ std::cout << "RunStateMachine_WithLengthPlusStdVectorOfByteValue: Default!\r" << std::endl;
+ g_state = Idle;
+ break;
+ }
+
+ DEBUG_LEAVE("RunStateMachine_WithLengthPlusStdVectorOfByteValue")
+}
+
+void ReadStdStringValue(const int p_address) {
+ DEBUG_ENTER("ReadStdStringValue: %d", p_address)
+
+ DEBUG("Reading datas...");
+ std::string readtext;
+ if (!g_myEEPROM.Read(p_address, readtext)) { // Read the string, including the length indicator
+#ifdef __DEBUG
+ DEBUG_FATAL("ReadStdStringValue: write failed at address 256")
+#else // __DEBUG
+ std::cout << "ReadStdStringValue: write failed at address 256\r" << std::endl;
+#endif // __DEBUG
+ } else {
+ std::cout << "ReadStdStringValue: Read:'" << readtext << "'\r" << std::endl;
+ }
+
+ DEBUG_LEAVE("ReadStdStringValue")
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Mar 23 15:54:36 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b \ No newline at end of file
Yann Garcia
Ramtron FM24Vxx F-RAM