diff options
Diffstat (limited to 'irsnd.c')
| -rw-r--r-- | irsnd.c | 189 |
1 files changed, 167 insertions, 22 deletions
@@ -1,9 +1,9 @@ /*---------------------------------------------------------------------------------------------------------------------------------------------------
* @file irsnd.c
*
- * Copyright (c) 2010 Frank Meyer - frank(at)fli4l.de
+ * Copyright (c) 2010-2011 Frank Meyer - frank(at)fli4l.de
*
- * $Id: irsnd.c,v 1.32 2011/02/22 17:05:57 fm Exp $
+ * $Id: irsnd.c,v 1.35 2011/04/11 13:26:17 fm Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -54,12 +54,83 @@ typedef unsigned short uint16_t; #include "irsndconfig.h"
#include "irsnd.h"
+/*---------------------------------------------------------------------------------------------------------------------------------------------------
+ * ATmega pin definition of OC2 / OC2A / OC2B
+ *---------------------------------------------------------------------------------------------------------------------------------------------------
+ */
+#if defined (__AVR_ATmega8__) // ATmega8 uses OC2 = PB3
+#undef IRSND_OC2 // has no OC2A / OC2B
+#define IRSND_OC2 0 // magic: use OC2
+#define IRSND_PORT PORTB // port B
+#define IRSND_DDR DDRB // ddr B
+#define IRSND_BIT 3 // OC2A
+
+#elif defined (__AVR_ATmega16__) \
+ || defined (__AVR_ATmega32__) // ATmega16|32 uses OC2 = PD7
+#undef IRSND_OC2 // has no OC2A / OC2B
+#define IRSND_OC2 0 // magic: use OC2
+#define IRSND_PORT PORTD // port D
+#define IRSND_DDR DDRD // ddr D
+#define IRSND_BIT 7 // OC2
+
+#elif defined (__AVR_ATmega162__) // ATmega162 uses OC2 = PB1
+#undef IRSND_OC2 // has no OC2A / OC2B
+#define IRSND_OC2 0 // magic: use OC2
+#define IRSND_PORT PORTB // port B
+#define IRSND_DDR DDRB // ddr B
+#define IRSND_BIT 1 // OC2
+
+#elif defined (__AVR_ATmega164__) \
+ || defined (__AVR_ATmega324__) \
+ || defined (__AVR_ATmega644__) \
+ || defined (__AVR_ATmega644P__) \
+ || defined (__AVR_ATmega1284__) // ATmega164|324|644|644P|1284 uses OC2A = PD7 or OC2B = PD6
+#if IRSND_OC2 == 1 // OC2A
+#define IRSND_PORT PORTD // port D
+#define IRSND_DDR DDRD // ddr D
+#define IRSND_BIT 7 // OC2A
+#elif IRSND_OC2 == 2 // OC2B
+#define IRSND_PORT PORTD // port D
+#define IRSND_DDR DDRD // ddr D
+#define IRSND_BIT 6 // OC2B
+#else
+#error Wrong value for IRSND_OC2, choose 1 or 2 in irsndconfig.h
+#endif // IRSND_OC2
+
+#elif defined (__AVR_ATmega48__) \
+ || defined (__AVR_ATmega88__) \
+ || defined (__AVR_ATmega168__) \
+ || defined (__AVR_ATmega168__) \
+ || defined (__AVR_ATmega328__) \
+ || defined (__AVR_ATmega328P__) // ATmega48|88|168|328P uses OC2A = PB3 or OC2B = PD3
+#if IRSND_OC2 == 1 // OC2A
+#define IRSND_PORT PORTB // port B
+#define IRSND_DDR DDRB // ddr B
+#define IRSND_BIT 3 // OC2A
+#elif IRSND_OC2 == 2 // OC2B
+#define IRSND_PORT PORTD // port D
+#define IRSND_DDR DDRD // ddr D
+#define IRSND_BIT 3 // OC2B
+#else
+#error Wrong value for IRSND_OC2, choose 1 or 2 in irsndconfig.h
+#endif // IRSND_OC2
+
+#else
+#if !defined (unix) && !defined (WIN32)
+#error OC2A/OC2B not defined, please fill in definitions here.
+#endif // unix, WIN32
+#endif // __AVR...
+
#if IRSND_SUPPORT_NIKON_PROTOCOL == 1
typedef uint16_t IRSND_PAUSE_LEN;
#else
typedef uint8_t IRSND_PAUSE_LEN;
#endif
+/*---------------------------------------------------------------------------------------------------------------------------------------------------
+ * IR timings
+ *---------------------------------------------------------------------------------------------------------------------------------------------------
+ */
#define SIRCS_START_BIT_PULSE_LEN (uint8_t)(F_INTERRUPTS * SIRCS_START_BIT_PULSE_TIME + 0.5)
#define SIRCS_START_BIT_PAUSE_LEN (uint8_t)(F_INTERRUPTS * SIRCS_START_BIT_PAUSE_TIME + 0.5)
#define SIRCS_1_PULSE_LEN (uint8_t)(F_INTERRUPTS * SIRCS_1_PULSE_TIME + 0.5)
@@ -198,7 +269,15 @@ typedef uint8_t IRSND_PAUSE_LEN; #define NIKON_PULSE_LEN (uint8_t)(F_INTERRUPTS * NIKON_PULSE_TIME + 0.5)
#define NIKON_1_PAUSE_LEN (uint8_t)(F_INTERRUPTS * NIKON_1_PAUSE_TIME + 0.5)
#define NIKON_0_PAUSE_LEN (uint8_t)(F_INTERRUPTS * NIKON_0_PAUSE_TIME + 0.5)
-#define NIKON_FRAME_REPEAT_PAUSE_LEN (uint16_t)(F_INTERRUPTS * NIKON_FRAME_REPEAT_PAUSE_TIME + 0.5) // use uint16_t!
+#define NIKON_FRAME_REPEAT_PAUSE_LEN (uint16_t)(F_INTERRUPTS * NIKON_FRAME_REPEAT_PAUSE_TIME + 0.5) // use uint16_t!
+
+#define LEGO_START_BIT_PULSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_START_BIT_PULSE_TIME + 0.5)
+#define LEGO_START_BIT_PAUSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_START_BIT_PAUSE_TIME + 0.5)
+#define LEGO_REPEAT_START_BIT_PAUSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_REPEAT_START_BIT_PAUSE_TIME + 0.5)
+#define LEGO_PULSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_PULSE_TIME + 0.5)
+#define LEGO_1_PAUSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_1_PAUSE_TIME + 0.5)
+#define LEGO_0_PAUSE_LEN (uint8_t)(F_INTERRUPTS * LEGO_0_PAUSE_TIME + 0.5)
+#define LEGO_FRAME_REPEAT_PAUSE_LEN (uint16_t)(F_INTERRUPTS * LEGO_FRAME_REPEAT_PAUSE_TIME + 0.5) // use uint16_t!
static volatile uint8_t irsnd_busy;
static volatile uint8_t irsnd_protocol;
@@ -206,6 +285,10 @@ static volatile uint8_t irsnd_buffer[6]; static volatile uint8_t irsnd_repeat;
static volatile uint8_t irsnd_is_on = FALSE;
+#if IRSND_USE_CALLBACK == 1
+static void (*irsnd_callback_ptr) (uint8_t);
+#endif // IRSND_USE_CALLBACK == 1
+
/*---------------------------------------------------------------------------------------------------------------------------------------------------
* Switch PWM on
* @details Switches PWM on with a narrow spike on all 3 channels -> leds glowing
@@ -217,12 +300,22 @@ irsnd_on (void) if (! irsnd_is_on)
{
#ifndef DEBUG
-#if defined (__AVR_ATmega32__)
- TCCR2 |= (1<<COM20)|(1<<WGM21); // = 0x42: toggle OC2A on compare match, clear Timer 2 at compare match OCR2A
-#else
- TCCR2A |= (1<<COM2A0)|(1<<WGM21); // = 0x42: toggle OC2A on compare match, clear Timer 2 at compare match OCR2A
-#endif // __AVR...
+#if IRSND_OC2 == 0 // use OC2
+ TCCR2 |= (1<<COM20)|(1<<WGM21); // toggle OC2 on compare match, clear Timer 2 at compare match OCR2
+#elif IRSND_OC2 == 1 // use OC2A
+ TCCR2A |= (1<<COM2A0)|(1<<WGM21); // toggle OC2A on compare match, clear Timer 2 at compare match OCR2A
+#else // use OC2B
+ TCCR2A |= (1<<COM2B0)|(1<<WGM21); // toggle OC2B on compare match, clear Timer 2 at compare match OCR2A (yes: A, not B!)
+#endif // IRSND_OC2
#endif // DEBUG
+
+#if IRSND_USE_CALLBACK == 1
+ if (irsnd_callback_ptr)
+ {
+ (*irsnd_callback_ptr) (TRUE);
+ }
+#endif // IRSND_USE_CALLBACK == 1
+
irsnd_is_on = TRUE;
}
}
@@ -238,13 +331,23 @@ irsnd_off (void) if (irsnd_is_on)
{
#ifndef DEBUG
-#if defined (__AVR_ATmega32__)
- TCCR2 &= ~(1<<COM20); // normal port operation, OC2A disconnected.
-#else
- TCCR2A &= ~(1<<COM2A0); // normal port operation, OC2A disconnected.
-#endif // __AVR...
- IRSND_PORT &= ~(1<<IRSND_BIT); // set IRSND_BIT to low
+#if IRSND_OC2 == 0 // use OC2
+ TCCR2 &= ~(1<<COM20); // normal port operation, OC2 disconnected.
+#elif IRSND_OC2 == 1 // use OC2A
+ TCCR2A &= ~(1<<COM2A0); // normal port operation, OC2A disconnected.
+#else // use OC2B
+ TCCR2A &= ~(1<<COM2B0); // normal port operation, OC2B disconnected.
+#endif // IRSND_OC2
+ IRSND_PORT &= ~(1<<IRSND_BIT); // set IRSND_BIT to low
#endif // DEBUG
+
+#if IRSND_USE_CALLBACK == 1
+ if (irsnd_callback_ptr)
+ {
+ (*irsnd_callback_ptr) (FALSE);
+ }
+#endif // IRSND_USE_CALLBACK == 1
+
irsnd_is_on = FALSE;
}
}
@@ -258,11 +361,11 @@ static void irsnd_set_freq (uint8_t freq)
{
#ifndef DEBUG
-#if defined (__AVR_ATmega32__)
- OCR2 = freq;
+#if IRSND_OC2 == 0
+ OCR2 = freq; // use register OCR2 for OC2
#else
- OCR2A = freq;
-#endif // __AVR...
+ OCR2A = freq; // use register OCR2A for OC2A and OC2B!
+#endif
#endif // DEBUG
}
@@ -290,6 +393,14 @@ irsnd_init (void) #endif // DEBUG
}
+#if IRSND_USE_CALLBACK == 1
+void
+irsnd_set_callback_ptr (void (*cb)(uint8_t))
+{
+ irsnd_callback_ptr = cb;
+}
+#endif // IRSND_USE_CALLBACK == 1
+
uint8_t
irsnd_is_busy (void)
{
@@ -672,6 +783,19 @@ irsnd_send_data (IRMP_DATA * irmp_data_p, uint8_t do_wait) break;
}
#endif
+#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
+ case IRMP_LEGO_PROTOCOL:
+ {
+ uint8_t crc = 0x0F ^ ((irmp_data_p->command & 0x0F00) >> 8) ^ ((irmp_data_p->command & 0x00F0) >> 4) ^ (irmp_data_p->command & 0x000F);
+
+ irsnd_buffer[0] = (irmp_data_p->command & 0x0FF0) >> 4; // CCCCCCCC
+ irsnd_buffer[1] = ((irmp_data_p->command & 0x000F) << 4) | crc; // CCCCcccc
+
+ irsnd_protocol = IRMP_LEGO_PROTOCOL;
+ irsnd_busy = TRUE;
+ break;
+ }
+#endif
default:
{
break;
@@ -1073,9 +1197,9 @@ irsnd_ISR (void) pause_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
has_stop_bit = GRUNDIG_NOKIA_IR60_STOP_BIT;
complete_data_len = NOKIA_COMPLETE_DATA_LEN;
- n_auto_repetitions = NOKIA_FRAMES; // 2 frames
- auto_repetition_pause_len = NOKIA_AUTO_REPETITION_PAUSE_LEN; // 20 msec pause
- repeat_frame_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN; // 117 msec pause
+ n_auto_repetitions = NOKIA_FRAMES; // 2 frames
+ auto_repetition_pause_len = NOKIA_AUTO_REPETITION_PAUSE_LEN; // 20 msec pause
+ repeat_frame_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN; // 117 msec pause
irsnd_set_freq (IRSND_FREQ_38_KHZ);
break;
}
@@ -1175,6 +1299,24 @@ irsnd_ISR (void) break;
}
#endif
+#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
+ case IRMP_LEGO_PROTOCOL:
+ {
+ startbit_pulse_len = LEGO_START_BIT_PULSE_LEN;
+ startbit_pause_len = LEGO_START_BIT_PAUSE_LEN - 1;
+ complete_data_len = LEGO_COMPLETE_DATA_LEN;
+ pulse_1_len = LEGO_PULSE_LEN;
+ pause_1_len = LEGO_1_PAUSE_LEN - 1;
+ pulse_0_len = LEGO_PULSE_LEN;
+ pause_0_len = LEGO_0_PAUSE_LEN - 1;
+ has_stop_bit = LEGO_STOP_BIT;
+ n_auto_repetitions = 1; // 1 frame
+ auto_repetition_pause_len = 0;
+ repeat_frame_pause_len = LEGO_FRAME_REPEAT_PAUSE_LEN;
+ irsnd_set_freq (IRSND_FREQ_38_KHZ);
+ break;
+ }
+#endif
default:
{
irsnd_busy = FALSE;
@@ -1233,12 +1375,15 @@ irsnd_ISR (void) #if IRSND_SUPPORT_NIKON_PROTOCOL == 1
case IRMP_NIKON_PROTOCOL:
#endif
+#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
+ case IRMP_LEGO_PROTOCOL:
+#endif
#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1 || IRSND_SUPPORT_NEC_PROTOCOL == 1 || IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1 || IRSND_SUPPORT_MATSUSHITA_PROTOCOL == 1 || \
IRSND_SUPPORT_KASEIKYO_PROTOCOL == 1 || IRSND_SUPPORT_RECS80_PROTOCOL == 1 || IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1 || IRSND_SUPPORT_DENON_PROTOCOL == 1 || \
IRSND_SUPPORT_NUBERT_PROTOCOL == 1 || IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1 || IRSND_SUPPORT_FDC_PROTOCOL == 1 || IRSND_SUPPORT_RCCAR_PROTOCOL == 1 || \
- IRSND_SUPPORT_JVC_PROTOCOL == 1 || IRSND_SUPPORT_NIKON_PROTOCOL == 1
+ IRSND_SUPPORT_JVC_PROTOCOL == 1 || IRSND_SUPPORT_NIKON_PROTOCOL == 1 || IRSND_SUPPORT_LEGO_PROTOCOL == 1
{
if (pulse_counter == 0)
{
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