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start implementing intercom protocol rehash

This commit is contained in:
Michael Moon 2011-03-02 10:00:47 +11:00
parent d0601716e8
commit 2340808695
5 changed files with 87 additions and 57 deletions
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24
extruder/extruder.c
View File

@ -203,12 +203,32 @@ int main (void)
if (intercom_flags & FLAG_NEW_RX) {
intercom_flags &= ~FLAG_NEW_RX;
switch (rx.packet.control_word) {
// M105- read temperatures
case 105:
send_temperature(0, temp_get(0));
send_temperature(1, temp_get(1));
temp_set(0, read_temperature(0));
send_temperature(1, temp_get(1));
temp_set(1, read_temperature(1));
start_send();
break;
// M130 - set PID P factor
case 130:
pid_set_p(rx.packet.control_index, rx.packet.control_data_int32);
// M131 - set PID I factor
case 131:
pid_set_i(rx.packet.control_index, rx.packet.control_data_int32);
// M132 - set PID D factor
case 132:
pid_set_d(rx.packet.control_index, rx.packet.control_data_int32);
// M133 - set PID I limit
case 133:
pid_set_i_limit(rx.packet.control_index, rx.packet.control_data_int32);
// M134 - save PID values to eeprom
case 134:
heater_save_settings();
break;
}
}
}
}

25
extruder/intercom.c
View File

@ -11,31 +11,6 @@
#define START 0x55
enum {
ERROR_BAD_CRC
} err_codes;
typedef struct {
uint8_t start;
uint8_t dio;
uint8_t controller_num;
uint8_t control_word;
uint8_t control_index;
union {
int32_t control_data_int32;
uint32_t control_data_uint32;
float control_data_float;
uint16_t temp[2];
};
uint8_t err;
uint8_t crc;
} intercom_packet_t;
typedef union {
intercom_packet_t packet;
uint8_t data[sizeof(intercom_packet_t)];
} intercom_packet;
intercom_packet tx; // this packet will be send
intercom_packet rx; // the last received packet with correct checksum
intercom_packet _tx; // current packet in transmission

30
extruder/intercom.h
View File

@ -12,6 +12,34 @@
#define disable_transmit() do { WRITE(TX_ENABLE_PIN,0); UCSR0B &= ~(MASK(TXCIE0) | MASK(UDRIE0)); UCSR0B |= MASK(RXEN0); } while(0)
#endif
enum {
ERROR_BAD_CRC
} err_codes;
typedef struct {
uint8_t start;
uint8_t dio;
uint8_t controller_num;
uint8_t control_word;
uint8_t control_index;
union {
int32_t control_data_int32;
uint32_t control_data_uint32;
float control_data_float;
uint16_t temp[2];
};
uint8_t err;
uint8_t crc;
} intercom_packet_t;
typedef union {
intercom_packet_t packet;
uint8_t data[sizeof(intercom_packet_t)];
} intercom_packet;
extern intercom_packet tx;
extern intercom_packet rx;
// initialise serial subsystem
void intercom_init(void);
@ -47,4 +75,6 @@ void start_send(void);
#define FLAG_TX_FINISHED 8
extern volatile uint8_t intercom_flags;
#endif /* _INTERCOM_H */

25
intercom.c
View File

@ -11,31 +11,6 @@
#define START 0x55
enum {
ERROR_BAD_CRC
} err_codes;
typedef struct {
uint8_t start;
uint8_t dio;
uint8_t controller_num;
uint8_t control_word;
uint8_t control_index;
union {
int32_t control_data_int32;
uint32_t control_data_uint32;
float control_data_float;
uint16_t temp[2];
};
uint8_t err;
uint8_t crc;
} intercom_packet_t;
typedef union {
intercom_packet_t packet;
uint8_t data[sizeof(intercom_packet_t)];
} intercom_packet;
intercom_packet tx; // this packet will be send
intercom_packet rx; // the last received packet with correct checksum
intercom_packet _tx; // current packet in transmission

30
intercom.h
View File

@ -12,6 +12,34 @@
#define disable_transmit() do { WRITE(TX_ENABLE_PIN,0); UCSR0B &= ~(MASK(TXCIE0) | MASK(UDRIE0)); UCSR0B |= MASK(RXEN0); } while(0)
#endif
enum {
ERROR_BAD_CRC
} err_codes;
typedef struct {
uint8_t start;
uint8_t dio;
uint8_t controller_num;
uint8_t control_word;
uint8_t control_index;
union {
int32_t control_data_int32;
uint32_t control_data_uint32;
float control_data_float;
uint16_t temp[2];
};
uint8_t err;
uint8_t crc;
} intercom_packet_t;
typedef union {
intercom_packet_t packet;
uint8_t data[sizeof(intercom_packet_t)];
} intercom_packet;
extern intercom_packet tx;
extern intercom_packet rx;
// initialise serial subsystem
void intercom_init(void);
@ -47,4 +75,6 @@ void start_send(void);
#define FLAG_TX_FINISHED 8
extern volatile uint8_t intercom_flags;
#endif /* _INTERCOM_H */