Kenji Arai
Not work original Lib on F446RE & L432KC . Change usage prime() & setNext() for both TX and RX function due to unexpected behavior (maybe os TimerEvent function problem)
Dependents: BufferedSoftSerial
Revision 13:6399b30798a5, committed 2020-05-12
- Comitter:
- kenjiArai
- Date:
- Tue May 12 05:27:07 2020 +0000
- Parent:
- 12:cd58d03b8559
- Commit message:
- expand for several CPU's.
Changed in this revision
--- a/SoftSerial.cpp Sun May 10 08:05:32 2020 +0000 +++ b/SoftSerial.cpp Tue May 12 05:27:07 2020 +0000 @@ -1,4 +1,4 @@ -// Modified by K.Arai / JH1PJL May 10th, 2020 +// Modified by K.Arai / JH1PJL May 12th, 2020 #include "SoftSerial.h"
--- a/SoftSerial.h Sun May 10 08:05:32 2020 +0000
+++ b/SoftSerial.h Tue May 12 05:27:07 2020 +0000
@@ -2,7 +2,7 @@
Original Library by Erik- & SonyPony
https://os.mbed.com/users/Sissors/code/SoftSerial/
- Modified by K.Arai / JH1PJL May 10th, 2020
+ Modified by K.Arai / JH1PJL May 12th, 2020
modified functions
tx_handler()
@@ -96,7 +96,6 @@
*/
void attach(void (*fptr)(void), IrqType type=RxIrq)
{
- //fpointer[type].attach(fptr);
fpointer[type] = Callback<void()>(fptr);
}
@@ -111,7 +110,6 @@
template<typename T>
void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq)
{
- //fpointer[type].attach(tptr, mptr);
fpointer[type] = Callback<void()>(tptr, mptr);
}
@@ -128,7 +126,6 @@
int _bits, _stop_bits, _total_bits;
Parity _parity;
- //FunctionPointer fpointer[2];
Callback<void()> fpointer[2];
//rx
@@ -150,7 +147,6 @@
int _char;
volatile int tx_bit;
-
virtual int _getc();
virtual int _putc(int c);
};
--- a/SoftSerial_Ticker.h Sun May 10 08:05:32 2020 +0000
+++ b/SoftSerial_Ticker.h Tue May 12 05:27:07 2020 +0000
@@ -1,7 +1,7 @@
//A modified version of the regular ticker/timeout libraries
// to allow us to do timeout without losing accuracy
-// Modified by K.Arai / JH1PJL May 9th, 2020
+// Modified by K.Arai / JH1PJL May 12th, 2020
#ifndef FLEXTICKER_H
#define FLEXTICKER_H
@@ -14,7 +14,6 @@
template<typename T>
void attach(T* tptr, void (T::*mptr)(void))
{
- //_function.attach(tptr, mptr);
_function = Callback<void()>(tptr, mptr);
}
@@ -28,12 +27,11 @@
void setNext(int delay)
{
insert(event.timestamp + delay);
- //insert_absolute(event.timestamp + delay);
}
- void prime(int adjust_time)
+ void prime(int comp_time = 0)
{
- event.timestamp = us_ticker_read() - adjust_time;
+ event.timestamp = us_ticker_read() + comp_time;
}
protected:
--- a/SoftSerial_rx.cpp Sun May 10 08:05:32 2020 +0000
+++ b/SoftSerial_rx.cpp Tue May 12 05:27:07 2020 +0000
@@ -1,7 +1,29 @@
-// Modified by K.Arai / JH1PJL May 10th, 2020
+// Modified by K.Arai / JH1PJL May 12th, 2020
#include "SoftSerial.h"
+//------------------------------------------------------------------------------
+#if defined(TARGET_NUCLEO_L152RE)
+# define MAGIC_NUM (-560)
+#elif defined(TARGET_NUCLEO_F401RE)
+# define MAGIC_NUM (-205)
+#elif defined(TARGET_NUCLEO_F411RE)
+# define MAGIC_NUM (-180)
+#elif defined(TARGET_NUCLEO_F446RE)
+# define MAGIC_NUM (-115)
+#elif defined(TARGET_NUCLEO_L432KC)
+# define MAGIC_NUM (-50)
+#elif defined(TARGET_NUCLEO_L476RG)
+# define MAGIC_NUM (-50)
+#elif defined(TARGET_K64F)
+# define MAGIC_NUM (0)
+#else
+# warning "you need to tune MAGIC_NUM! in SoftSerial_rx.cpp"
+# define MAGIC_NUM (0)
+#endif
+//------------------------------------------------------------------------------
+
+
// please make a constructor in main.cpp if you use below pc & led
#if DEBUG_TIMING == 2
extern Serial pc;
@@ -15,9 +37,6 @@
# define DBG_PRINTF(...) {;}
#endif
-// Random estimation of the overhead of mbed libs,
-// makes slow devices like LPC812 @ 12MHz perform better
-uint32_t overhead_us = 200 * 1000000 / SystemCoreClock;
int SoftSerial::_getc( void )
{
@@ -37,14 +56,14 @@
void SoftSerial::rx_gpio_irq_handler(void)
{
TP_ON;
- rxticker.prime(0);
+ rxticker.prime(MAGIC_NUM);
rx->fall(NULL);
rx_bit = 0;
rx_error = false;
// dummy setting for 1st timer interrupt
rx_1st = true;
- rxticker.setNext(0);
rx_st_time = us_ticker_read();
+ rxticker.setNext(10);
TP_OFF;
};
@@ -54,13 +73,12 @@
// dummy IRQ for 1st shot
if (rx_1st) {
rx_1st = false;
- //rxticker.setNext(bit_period + (bit_period >> 1) - overhead_us);
int next_preiod = us_ticker_read() - rx_st_time;
next_preiod = bit_period + (bit_period >> 1) - next_preiod;
if (next_preiod > 0) {
rxticker.setNext(next_preiod);
} else {
- rxticker.setNext(0);
+ rxticker.setNext(5);
}
TP_OFF;
return;
@@ -71,7 +89,6 @@
rxticker.setNext(bit_period);
rx_bit++;
-
if (rx_bit <= _bits) {
read_buffer |= val << (rx_bit - 1);
TP_OFF;
@@ -127,7 +144,6 @@
}
read_buffer = 0;
rxticker.detach();
- //rx->fall(this, &SoftSerial::rx_gpio_irq_handler);
rx->fall(callback(this, &SoftSerial::rx_gpio_irq_handler));
TP_OFF;
}
--- a/SoftSerial_tx.cpp Sun May 10 08:05:32 2020 +0000
+++ b/SoftSerial_tx.cpp Tue May 12 05:27:07 2020 +0000
@@ -1,4 +1,4 @@
-// Modified by K.Arai / JH1PJL May 10th, 2020
+// Modified by K.Arai / JH1PJL May 12th, 2020
#include "SoftSerial.h"
@@ -23,7 +23,7 @@
prepare_tx(c);
tx_bit = 0;
tx->write(1);
- txticker.prime(0);
+ txticker.prime();
tx_handler();
return 0;
}
@@ -63,25 +63,23 @@
}
if (tx_bit == 0){
tx->write(1);
- } else if (tx_bit == 0){
- tx->write(0);
+ txticker.setNext(10);
} else {
int bitchk = _char >> tx_bit;
- if (bitchk & 1UL) {
+ if (bitchk & 1) {
tx->write(1);
} else {
tx->write(0);
}
+ txticker.setNext(bit_period);
}
tx_bit++;
- txticker.setNext(bit_period);
TP_OFF;
}
void SoftSerial::prepare_tx(int c)
{
_char = c << 2; // set start bit as bit1 and dummy as bit0
- DBG_PRINTF("_char(in) = 0x%08x\r\n", _char);
bool parity;
switch (_parity) {
@@ -116,6 +114,4 @@
_char |= 0xffffffff << num;
_char |= 1UL;
_char &= ~(1 << _total_bits);
- DBG_PRINTF("_char(out) = 0x%08x, num = %d, ", _char, num);
- DBG_PRINTF("_total_bits = %d\r\n", _total_bits);
}