Fabio Fumi
/
Sharp_ce140f_emul
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Dependencies: mbed SDFileSystem
Revision 1:cbecc06355fa, committed 2022-04-25
- Comitter:
- ffxx68
- Date:
- Mon Apr 25 16:16:22 2022 +0000
- Parent:
- 0:832d44b89b24
- Child:
- 2:8b6005719a58
- Commit message:
- revised connector access methods
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Fri Apr 22 13:58:23 2022 +0000
+++ b/main.cpp Mon Apr 25 16:16:22 2022 +0000
@@ -24,23 +24,26 @@
InterruptIn btn(USER_BUTTON);
Timer mainTimer;
Timer perfTimer;
-
+AnalogIn debug_A0 ( A0 );
-static int dataPtr;
+static char debugBuf[BUF_SIZE];
+static char debugLine[80];
+static uint16_t dataPtr;
static char dataBuf[BUF_SIZE];
+
static bool ctrl_char;
static char t;
static char c;
-static int code_transfer_step;
-static int device_code;
-static int wait_data_function;
+static uint8_t code_transfer_step;
+static uint8_t device_code;
+static uint32_t wait_data_function;
static bool halfdata ;
static bool halfdata_out ;
-static int run_oldstate;
-static int lastRunState;
-static int lastState;
+static uint32_t run_oldstate;
+static uint32_t lastRunState;
+static uint32_t lastState;
static uint8_t ce140f_Mode;
static bool Previous_PIN_BUSY;
static bool Previous_PIN_MT_OUT1;
@@ -48,14 +51,11 @@
static uint32_t perfTime;
static uint32_t perfNrCalls;
-volatile bool D_OUT_Up;
-
-
// Sharp 11-pin connector positions
//********************************************************/
// PIN_MT_OUT2 1
-// PIN_GND 2
-// PIN_VGG 3
+// PIN_VGG 2
+// PIN_GND 3
// PIN_BUSY 4
// PIN_D_OUT 5
// PIN_MT_IN 6 // also X_IN
@@ -82,6 +82,7 @@
{
pc.printf ("Tot time (us) %d\n\r", perfTime );
pc.printf ("nr calls %d\n\r", perfNrCalls);
+ pc.printf ("%s\n\r", debugBuf);
}
int main()
@@ -104,64 +105,60 @@
while ( true ) {
perfTimer.reset();
perfTimer.start();
- ret = Cce140f_run();
+ ret = Cce140f_run(); // about 90 us ~ 10 samples / ms
perfTime += perfTimer.read_us();
perfNrCalls += 1;
- wait_us (100); // about 10 samples per ms
+ // wait_us (100); Cce140f_run takes long enough already
}
}
+// Assign each Nucleo pin as input
+bool get_MT_OUT2 ( void ) { DigitalIn in_MT_OUT2 (D3); return in_MT_OUT2 ; }
+bool get_BUSY ( void ) { DigitalIn in_BUSY (D4); return in_BUSY ; }
+bool get_D_OUT ( void ) { DigitalIn in_D_OUT (D5); return in_D_OUT ; }
+bool get_MT_IN ( void ) { DigitalIn in_MT_IN (D6); return in_MT_IN ; }
+bool get_MT_OUT1 ( void ) { DigitalIn in_MT_OUT1 (D7); return in_MT_OUT1 ; }
+bool get_D_IN ( void ) { DigitalIn in_D_IN (D8); return in_D_IN ; }
+bool get_ACK ( void ) { DigitalIn in_ACK (D9); return in_ACK ; }
+bool get_SEL2 ( void ) { DigitalIn in_SEL2 (D10); return in_SEL2 ; }
+bool get_SEL1 ( void ) { DigitalIn in_SEL1 (D11); return in_SEL1 ; }
+
void Get_Connector (void)
{
-
- // Assign Nucleo pins as inputs
- DigitalIn in_MT_OUT2 (D3);
- DigitalIn in_BUSY (D4);
- DigitalIn in_D_OUT (D5);
- DigitalIn in_MT_IN (D6);
- DigitalIn in_MT_OUT1 (D7);
- DigitalIn in_D_IN (D8);
- DigitalIn in_ACK (D9);
- DigitalIn in_SEL2 (D10);
- DigitalIn in_SEL1 (D11);
- // get values
- MT_OUT2 = in_MT_OUT2;
- BUSY = in_BUSY;
- D_OUT = in_D_OUT;
- MT_IN = in_MT_IN;
- MT_OUT1 = in_MT_OUT1;
- D_IN = in_D_IN;
- ACK = in_ACK;
- SEL2 = in_SEL2;
- SEL1 = in_SEL1;
+ MT_OUT2 = get_MT_OUT2();
+ BUSY = get_BUSY ();
+ D_OUT = get_D_OUT ();
+ MT_IN = get_MT_IN ();
+ MT_OUT1 = get_MT_OUT1();
+ D_IN = get_D_IN ();
+ ACK = get_ACK ();
+ SEL2 = get_SEL2 ();
+ SEL1 = get_SEL1 ();
+}
-}
+// Assign each Nucleo pins as output
+void set_MT_OUT2 ( bool value ) { DigitalOut out_MT_OUT2 (D3); out_MT_OUT2 = value ; }
+void set_BUSY ( bool value ) { DigitalOut out_BUSY (D4); out_BUSY = value ; }
+void set_D_OUT ( bool value ) { DigitalOut out_D_OUT (D5); out_D_OUT = value ; }
+void set_MT_IN ( bool value ) { DigitalOut out_MT_IN (D6); out_MT_IN = value ; }
+void set_MT_OUT1 ( bool value ) { DigitalOut out_MT_OUT1 (D7); out_MT_OUT1 = value ; }
+void set_D_IN ( bool value ) { DigitalOut out_D_IN (D8); out_D_IN = value ; }
+void set_ACK ( bool value ) { DigitalOut out_ACK (D9); out_ACK = value ; }
+void set_SEL2 ( bool value ) { DigitalOut out_SEL2 (D10); out_SEL2 = value ; }
+void set_SEL1 ( bool value ) { DigitalOut out_SEL1 (D11); out_SEL1 = value ; }
void Set_Connector (void)
-{
-
- // Assign Nucleo pins as outputs
- DigitalOut out_MT_OUT2 (D3);
- DigitalOut out_BUSY (D4);
- DigitalOut out_D_OUT (D5);
- DigitalOut out_MT_IN (D6);
- DigitalOut out_MT_OUT1 (D7);
- DigitalOut out_D_IN (D8);
- DigitalOut out_ACK (D9);
- DigitalOut out_SEL2 (D10);
- DigitalOut out_SEL1 (D11);
- // set values
- out_MT_OUT2 = MT_OUT2;
- out_BUSY = BUSY;
- out_D_OUT = D_OUT;
- out_MT_IN = MT_IN;
- out_MT_OUT1 = MT_OUT1;
- out_D_IN = D_IN;
- out_ACK = ACK;
- out_SEL2 = SEL2;
- out_SEL1 = SEL1;
-
+{
+ set_MT_OUT2 ( MT_OUT2 );
+ set_BUSY ( BUSY );
+ set_D_OUT ( D_OUT );
+ set_MT_IN ( MT_IN );
+ set_MT_OUT1 ( MT_OUT1 );
+ set_D_IN ( D_IN );
+ set_ACK ( ACK );
+ set_SEL2 ( SEL2 );
+ set_SEL1 ( SEL1 );
}
bool Cce140f_init(void)
@@ -194,7 +191,7 @@
ACK = false;
SEL2 = false;
SEL1 = false;
-
+
mainTimer.reset();
mainTimer.start();
@@ -206,7 +203,7 @@
{
// get signals from connector
- Get_Connector();
+ //Get_Connector();
bool bit = false;
ce140f_Mode=RECEIVE_MODE;
@@ -219,64 +216,71 @@
}
switch (code_transfer_step) {
- case 0 : if ((MT_OUT1 == UP) && (D_OUT==UP)) {
+ case 0 : if ((get_MT_OUT1() == UP) && (get_D_OUT() == UP)) {
// Device Code protocol started with XOUT & DOUT up
+ mainTimer.reset();
lastState = mainTimer.read_ms(); //time.restart();
code_transfer_step=1;
}
busyLed = 0;
break;
- case 1 : if ((MT_OUT1 == UP) && (D_OUT==UP)) {
+ case 1 : if ((get_MT_OUT1() == UP) && (get_D_OUT() == UP)) {
if ((mainTimer.read_ms() - lastState) > 40) {
// XOUT & DOUT up for 40 ms: Device bit sending started
// Raise ACK
code_transfer_step = 2;
- ACK = UP;
+ set_ACK ( UP );
busyLed = 1;
+ sprintf(debugBuf, "1 - %d %d %d\n\r", mainTimer.read_us(), lastState, mainTimer.read_ms());
}
}
else {
code_transfer_step=0;
}
break;
- case 2: if ( BUSY == UP ){ // New bit available
- if( D_OUT == UP )
+ case 2: if ( get_BUSY() == UP ){ // New bit available
+ if( get_D_OUT() == UP )
bit = true;
else
bit = false;
+ sprintf(debugLine, "2 - %d bit %d %d\n\r", mainTimer.read_us(), bit, debug_A0.read()); strcat ( debugBuf, debugLine );
t>>=1;
if (bit) t|=0x80;
if ((c=(++c)&7)==0) {
+ sprintf(debugLine, "2 - %d code %x\n\r", mainTimer.read_us(), t); strcat ( debugBuf, debugLine );
pc.printf(" device code: 0x%x\n\r", t);
device_code = t;
if (device_code==0x41) // This is for the CE-140F
code_transfer_step=4;
else {
- code_transfer_step = 0; // Not for us
+ code_transfer_step = 0; // This is not for us
t=0; c=0;
}
- }
- else
+ } else {
code_transfer_step=3;
- lastState=mainTimer.read_ms();
- ACK = DOWN; // bit received
+ lastState=mainTimer.read_ms();
+ }
+ set_ACK ( DOWN ); // bit received
}
break;
case 3: if ((mainTimer.read_ms() - lastState) > 2) {
+ sprintf(debugLine, "3 - %d\n\r", mainTimer.read_us()); strcat ( debugBuf, debugLine );
code_transfer_step=2;
- // wait 2 ms then raise again ACK
- ACK = UP;
+ // wait 2 ms then raise again ACK - ready for next bit
+ set_ACK ( UP );
}
break;
- case 4: if ((BUSY == DOWN)&&(MT_OUT1 == DOWN)) {
- ACK = UP;
+ case 4: if ((get_BUSY() == DOWN)&&(get_MT_OUT1() == DOWN)) {
+ sprintf(debugLine, "4 - %d\n\r", mainTimer.read_us()); strcat ( debugBuf, debugLine );
+ set_ACK ( UP );
code_transfer_step=5;
lastState=mainTimer.read_ms(); //time.restart();
t=0; c=0;
}
break;
- case 5: if ((mainTimer.read_ms() - lastState)>9) {
- ACK = DOWN;
+ case 5: if ((mainTimer.read_ms() - lastState) > 9) {
+ sprintf(debugLine, "5 - %d\n\r", mainTimer.read_us()); strcat ( debugBuf, debugLine );
+ set_ACK ( DOWN );
code_transfer_step=0;
}
break;
@@ -349,15 +353,14 @@
// update();
}
}
+*/
-*/
-
Previous_PIN_BUSY = BUSY;
Previous_PIN_MT_OUT1 = MT_OUT1;
Previous_PIN_D_OUT = D_OUT;
// send signals out
- Set_Connector();
+ //Set_Connector();
return true;