| /PIC Stuff/PIC_27J13/build/default/production/interrupts.o.d |
|---|
| 2,6 → 2,7 |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/interrupts.c \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/stdio.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/uart.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/i2c.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/maindefs.h \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/p18f27j13.h \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/stdarg.h \ |
| /PIC Stuff/PIC_27J13/build/default/production/main.o.d |
|---|
| 2,6 → 2,7 |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/main.c \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/stdio.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/uart.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/i2c.h \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/usart.h \ |
| C:/Program\ Files\ (x86)/Microchip/mplabc18/v3.40/h/delays.h \ |
| C:/Users/Kevin/Documents/PIC\ Code/PIC_27J13/maindefs.h \ |
| /PIC Stuff/PIC_27J13/dist/default/production/PIC_27J13.production.cof |
|---|
| Cannot display: file marked as a binary type. |
| svn:mime-type = application/octet-stream |
| /PIC Stuff/PIC_27J13/dist/default/production/PIC_27J13.production.hex |
|---|
| 1,10 → 1,10 |
| :020000040000FA |
| :0600000078EF0AF0120087 |
| :0600000056EF0FF01200A4 |
| :020006000000F8 |
| :06000800C9EF07F0120031 |
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| :02000E001200DE |
| :020010001200DC |
| :0600180033EF08F01200B6 |
| :06001800B4EF0CF0120031 |
| :02001E004BECA9 |
| :1000200005F0FB0EDBCFF3FFDB06F35000090AE01F |
| :1000300099EC05F0FA0E04EC06F0F3E1151CF1E181 |
| 21,7 → 21,7 |
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| :1000F000030EDB88D5D72A0EDF5C1BE1AFEC04F0E2 |
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| :100130000BD0090EDB6A54EC05F003E0C8EC05F0C7 |
| :10014000FAD7090EE6EC04F0030EDBB0DB982E0EB6 |
| 54,8 → 54,8 |
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| :1003000018C0EAFF90EC05F0166A0E0E14C0DBFF71 |
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| :1003500001E26ADBF8EC05F002E2130E37DBBBECDE |
| :1003600005F006E0040ED4EC05F002E2050E2EDBEB |
| 66,7 → 66,7 |
| :1003B000BCD2BBDB01E3DB2A090EDB2AD9500E0FCE |
| :1003C000E96E000ECBDBE7D7D3DA01E1B4D2ADD2D0 |
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| :10040000DB5004E0130ED0DB01E20EDBF8EC05F06C |
| :1004100002E2130EDBDAAFDB05E0040EC5DB02E21D |
| 102,14 → 102,14 |
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| :1006B000F7FFF3CFF6FF0800090EF5CFDBFF580E6A |
| :1006C000DF5C0FE1610EF36E090E7BD90AE3200EA9 |
| 117,7 → 117,7 |
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| :1006F00014C00BF015C00CF016C00DF017C00EF0B2 |
| :10070000EECF06F0EECF07F0EECF08F0EFCF09F016 |
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| 136,7 → 136,7 |
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| 155,7 → 155,7 |
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| :100990001200146E156AD950010F4DD91450EE266D |
| :1009A0001550ED221200185E000E195AF70E18C0ED |
| 174,8 → 174,8 |
| :100A7000DB50CED8010EF36E060EF3CFDBFF120073 |
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| 200,163 → 200,321 |
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| /PIC Stuff/PIC_27J13/i2c.c |
|---|
| 1,31 → 1,36 |
| #include "msg_queues.h" |
| #include "maindefs.h" |
| //#include <i2c.h> |
| #include "i2c.h" |
| static I2C_DATA *i2c_pdata; |
| static I2C_DATA i2c_data; |
| // Set up the data structures for the i2c code |
| // Should be called once before any i2c routines are called |
| void i2c_init(I2C_DATA *data) { |
| i2c_pdata = data; |
| i2c_pdata->buflen = 0; |
| i2c_pdata->slave_event_count = 0; |
| i2c_pdata->status = I2C_IDLE; |
| i2c_pdata->slave_error_count = 0; |
| i2c_pdata->bufind = 0; |
| i2c_pdata->buflen = 0; |
| i2c_pdata->slave_in_last_byte = 0; |
| i2c_pdata->slave_sending_data = 0; |
| i2c_pdata->slave_sending_blank_data = 0; |
| i2c_pdata->mode = 0; |
| i2c_pdata->master_dest_addr = 0; |
| i2c_pdata->master_state = I2C_MASTER_IDLE; |
| void I2C_Init() { |
| i2c_data.buffer_in_len = 0; |
| i2c_data.buffer_in_len_tmp = 0; |
| i2c_data.buffer_in_read_ind = 0; |
| i2c_data.buffer_in_write_ind = 0; |
| i2c_data.buffer_out_ind = 0; |
| i2c_data.buffer_out_len = 0; |
| i2c_data.operating_mode = 0; |
| i2c_data.operating_state = I2C_IDLE; |
| i2c_data.return_status = 0; |
| i2c_data.slave_in_last_byte = 0; |
| i2c_data.slave_sending_data = 0; |
| i2c_data.master_dest_addr = 0; |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| // Enable I2C interrupt |
| PIE1bits.SSPIE = 1; |
| } |
| // Setup the PIC to operate as a master. |
| void i2c_configure_master() { |
| i2c_pdata->mode = I2C_MODE_MASTER; |
| void I2C_Configure_Master() { |
| i2c_data.operating_mode = I2C_MODE_MASTER; |
| TRISCbits.TRISC3 = 1; |
| TRISCbits.TRISC4 = 1; |
| 40,22 → 45,22 |
| } |
| // Sends length number of bytes in msg to specified address (no R/W bit) |
| void i2c_master_send(unsigned char address, unsigned char length, unsigned char *msg) { |
| int i; |
| void I2C_Master_Send(unsigned char address, unsigned char length, unsigned char *msg) { |
| unsigned char i; |
| if (length == 0) |
| return; |
| // Copy message to send into buffer and save length/address |
| for (i = 0; i < length; i++) { |
| i2c_pdata->buffer[i] = msg[i]; |
| i2c_data.buffer_in[i] = msg[i]; |
| } |
| i2c_pdata->buflen = length; |
| i2c_pdata->master_dest_addr = address; |
| i2c_pdata->bufind = 0; |
| i2c_data.buffer_in_len = length; |
| i2c_data.master_dest_addr = address; |
| i2c_data.buffer_in_read_ind = 0; |
| // Change status to 'next' operation |
| i2c_pdata->status = I2C_SEND_ADDR; |
| i2c_pdata->master_state = I2C_MASTER_SEND; |
| i2c_data.operating_state = I2C_SEND_ADDR; |
| i2c_data.master_status = I2C_MASTER_SEND; |
| // Generate start condition |
| SSPCON2bits.SEN = 1; |
| 62,27 → 67,50 |
| } |
| // Reads length number of bytes from address (no R/W bit) |
| void i2c_master_recv(unsigned char address, unsigned char length) { |
| void I2C_Master_Recv(unsigned char address, unsigned char length) { |
| if (length == 0) |
| return; |
| // Save length and address to get data from |
| i2c_pdata->buflen = length; |
| i2c_pdata->master_dest_addr = address; |
| i2c_pdata->bufind = 0; |
| i2c_data.buffer_in_len = length; |
| i2c_data.master_dest_addr = address; |
| i2c_data.buffer_in_read_ind = 0; |
| // Change status to 'next' operation |
| i2c_pdata->status = I2C_SEND_ADDR; |
| i2c_pdata->master_state = I2C_MASTER_RECV; |
| i2c_data.operating_state = I2C_SEND_ADDR; |
| i2c_data.master_status = I2C_MASTER_RECV; |
| // Generate start condition |
| SSPCON2bits.SEN = 1; |
| } |
| // Writes msg to address then reads length number of bytes from address |
| void I2C_Master_Restart(unsigned char address, unsigned char msg, unsigned char length) { |
| unsigned char c; |
| if (length == 0) { |
| c = msg; |
| I2C_Master_Send(address, 1, &c); |
| return; |
| } |
| // Save length and address to get data from |
| i2c_data.buffer_in[0] = msg; |
| i2c_data.buffer_in_len = length; |
| i2c_data.master_dest_addr = address; |
| i2c_data.buffer_in_read_ind = 0; |
| // Change status to 'next' operation |
| i2c_data.operating_state = I2C_SEND_ADDR; |
| i2c_data.master_status = I2C_MASTER_RESTART; |
| // Generate start condition |
| SSPCON2bits.SEN = 1; |
| } |
| // Setup the PIC to operate as a slave. The address must not include the R/W bit |
| void i2c_configure_slave(unsigned char addr) { |
| i2c_pdata->mode = I2C_MODE_SLAVE; |
| void I2C_Configure_Slave(unsigned char addr) { |
| i2c_data.operating_mode = I2C_MODE_SLAVE; |
| // Ensure the two lines are set for input (we are a slave) |
| TRISCbits.TRISC3 = 1; |
| TRISCbits.TRISC4 = 1; |
| 98,86 → 126,86 |
| SSPCON1bits.SSPEN = 1; // Enable MSSP Module |
| } |
| void i2c_interrupt_handler() { |
| void I2C_Interrupt_Handler() { |
| // Call interrupt depending on which mode we are operating in |
| if (i2c_pdata->mode == I2C_MODE_MASTER) { |
| i2c_interrupt_master(); |
| } else if (i2c_pdata->mode == I2C_MODE_SLAVE) { |
| i2c_interrupt_slave(); |
| if (i2c_data.operating_mode == I2C_MODE_MASTER) { |
| I2C_Interrupt_Master(); |
| } else if (i2c_data.operating_mode == I2C_MODE_SLAVE) { |
| I2C_Interrupt_Slave(); |
| } |
| } |
| // An internal subroutine used in the master version of the i2c_interrupt_handler |
| void i2c_interrupt_master() { |
| void I2C_Interrupt_Master() { |
| // If we are in the middle of sending data |
| if (i2c_pdata->master_state == I2C_MASTER_SEND) { |
| switch (i2c_pdata->status) { |
| if (i2c_data.master_status == I2C_MASTER_SEND) { |
| switch (i2c_data.operating_state) { |
| case I2C_IDLE: |
| break; |
| case I2C_SEND_ADDR: |
| // Send the address with read bit set |
| i2c_pdata->status = I2C_CHECK_ACK; |
| SSPBUF = (i2c_pdata->master_dest_addr << 1) | 0x0; |
| i2c_data.operating_state = I2C_CHECK_ACK_SEND; |
| SSPBUF = (i2c_data.master_dest_addr << 1) | 0x0; |
| break; |
| case I2C_CHECK_ACK: |
| case I2C_CHECK_ACK_SEND: |
| // Check if ACK is received or not |
| if (!SSPCON2bits.ACKSTAT) { |
| // If an ACK is received, send next byte of data |
| if (i2c_pdata->bufind < i2c_pdata->buflen) { |
| SSPBUF = i2c_pdata->buffer[i2c_pdata->bufind]; |
| i2c_pdata->bufind++; |
| if (i2c_data.buffer_in_read_ind < i2c_data.buffer_in_len) { |
| SSPBUF = i2c_data.buffer_in[i2c_data.buffer_in_read_ind]; |
| i2c_data.buffer_in_read_ind++; |
| } else { |
| // If no more data is to be sent, send stop bit |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_pdata->master_state = I2C_MASTER_IDLE; |
| MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_I2C_MASTER_SEND_COMPLETE, (void *) 0); |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_SEND_OK; |
| } |
| } else { |
| // If a NACK is received, stop transmission and send error |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_pdata->master_state = I2C_MASTER_IDLE; |
| MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_I2C_MASTER_SEND_FAILED, (void *) 0); |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_SEND_FAIL; |
| } |
| break; |
| } |
| // If we are in the middle of receiving data |
| } else if (i2c_pdata->master_state == I2C_MASTER_RECV) { |
| switch (i2c_pdata->status) { |
| } else if (i2c_data.master_status == I2C_MASTER_RECV) { |
| switch (i2c_data.operating_state) { |
| case I2C_IDLE: |
| break; |
| case I2C_SEND_ADDR: |
| // Send address with write bit set |
| i2c_pdata->status = I2C_CHECK_ACK; |
| SSPBUF = (i2c_pdata->master_dest_addr << 1) | 0x1; |
| i2c_data.operating_state = I2C_CHECK_ACK_RECV; |
| SSPBUF = (i2c_data.master_dest_addr << 1) | 0x1; |
| break; |
| case I2C_CHECK_ACK: |
| case I2C_CHECK_ACK_RECV: |
| // Check if ACK is received |
| if (!SSPCON2bits.ACKSTAT) { |
| // If an ACK is received, set module to receive 1 byte of data |
| i2c_pdata->status = I2C_RCV_DATA; |
| i2c_data.operating_state = I2C_RCV_DATA; |
| SSPCON2bits.RCEN = 1; |
| } else { |
| // If a NACK is received, stop transmission and send error |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_pdata->master_state = I2C_MASTER_IDLE; |
| MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_I2C_MASTER_RECV_FAILED, (void *) 0); |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_RECV_FAIL; |
| } |
| break; |
| case I2C_RCV_DATA: |
| // On receive, save byte into buffer |
| i2c_pdata->buffer[i2c_pdata->bufind] = SSPBUF; |
| i2c_pdata->bufind++; |
| if (i2c_pdata->bufind < i2c_pdata->buflen) { |
| i2c_data.buffer_in[i2c_data.buffer_in_read_ind] = SSPBUF; |
| i2c_data.buffer_in_read_ind++; |
| if (i2c_data.buffer_in_read_ind < i2c_data.buffer_in_len) { |
| // If we still need to read, send an ACK to the slave |
| i2c_pdata->status = I2C_REQ_DATA; |
| i2c_data.operating_state = I2C_REQ_DATA; |
| SSPCON2bits.ACKDT = 0; // ACK |
| SSPCON2bits.ACKEN = 1; |
| } else { |
| // If we are done reading, send an NACK to the slave |
| i2c_pdata->status = I2C_SEND_STOP; |
| i2c_data.operating_state = I2C_SEND_STOP; |
| SSPCON2bits.ACKDT = 1; // NACK |
| SSPCON2bits.ACKEN = 1; |
| } |
| 184,86 → 212,153 |
| break; |
| case I2C_REQ_DATA: |
| // Set module to receive one byte of data |
| i2c_pdata->status = I2C_RCV_DATA; |
| i2c_data.operating_state = I2C_RCV_DATA; |
| SSPCON2bits.RCEN = 1; |
| break; |
| case I2C_SEND_STOP: |
| // Send the stop bit and copy message to send to Main() |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_pdata->master_state = I2C_MASTER_IDLE; |
| MQ_sendmsg_ToMainFromHigh(i2c_pdata->buflen, MSGTYPE_I2C_MASTER_RECV_COMPLETE, (void *) i2c_pdata->buffer); |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_RECV_OK; |
| break; |
| } |
| } |
| } |
| // An internal subroutine used in the slave version of the i2c_interrupt_handler |
| void i2c_handle_start(unsigned char data_read) { |
| i2c_pdata->slave_event_count = 1; |
| i2c_pdata->buflen = 0; |
| // Check to see if we also got the address |
| if (data_read) { |
| if (SSPSTATbits.D_A == 1) { |
| DBG_PRINT_I2C("I2C Start: (ERROR) no address recieved\r\n"); |
| // This is bad because we got data and we wanted an address |
| i2c_pdata->status = I2C_IDLE; |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_NOADDR; |
| } else { |
| if (SSPSTATbits.R_W == 1) { |
| i2c_pdata->status = I2C_SEND_DATA; |
| } else { |
| i2c_pdata->status = I2C_RCV_DATA; |
| } |
| } else if (i2c_data.master_status == I2C_MASTER_RESTART) { |
| switch (i2c_data.operating_state) { |
| case I2C_IDLE: |
| break; |
| case I2C_SEND_ADDR: |
| // Send the address with read bit set |
| i2c_data.operating_state = I2C_CHECK_ACK_SEND; |
| SSPBUF = (i2c_data.master_dest_addr << 1) | 0x0; |
| break; |
| case I2C_CHECK_ACK_SEND: |
| // Check if ACK is received or not |
| if (!SSPCON2bits.ACKSTAT) { |
| // If an ACK is received, send first byte of data |
| SSPBUF = i2c_data.buffer_in[0]; |
| i2c_data.operating_state = I2C_CHECK_ACK_RESTART; |
| } else { |
| // If a NACK is received, stop transmission and send error |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_SEND_FAIL; |
| } |
| break; |
| case I2C_CHECK_ACK_RESTART: |
| if (!SSPCON2bits.ACKSTAT) { |
| SSPCON2bits.RSEN = 1; |
| i2c_data.operating_state = I2C_SEND_ADDR_2; |
| } else { |
| // If a NACK is received, stop transmission and send error |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_SEND_FAIL; |
| } |
| break; |
| case I2C_SEND_ADDR_2: |
| // Send the address with read bit set |
| i2c_data.operating_state = I2C_CHECK_ACK_RECV; |
| SSPBUF = (i2c_data.master_dest_addr << 1) | 0x1; |
| break; |
| case I2C_CHECK_ACK_RECV: |
| // Check if ACK is received |
| if (!SSPCON2bits.ACKSTAT) { |
| // If an ACK is received, set module to receive 1 byte of data |
| i2c_data.operating_state = I2C_RCV_DATA; |
| SSPCON2bits.RCEN = 1; |
| } else { |
| // If a NACK is received, stop transmission and send error |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_RECV_FAIL; |
| } |
| break; |
| case I2C_RCV_DATA: |
| // On receive, save byte into buffer |
| i2c_data.buffer_in[i2c_data.buffer_in_read_ind] = SSPBUF; |
| i2c_data.buffer_in_read_ind++; |
| if (i2c_data.buffer_in_read_ind < i2c_data.buffer_in_len) { |
| // If we still need to read, send an ACK to the slave |
| i2c_data.operating_state = I2C_REQ_DATA; |
| SSPCON2bits.ACKDT = 0; // ACK |
| SSPCON2bits.ACKEN = 1; |
| } else { |
| // If we are done reading, send an NACK to the slave |
| i2c_data.operating_state = I2C_SEND_STOP; |
| SSPCON2bits.ACKDT = 1; // NACK |
| SSPCON2bits.ACKEN = 1; |
| } |
| break; |
| case I2C_REQ_DATA: |
| // Set module to receive one byte of data |
| i2c_data.operating_state = I2C_RCV_DATA; |
| SSPCON2bits.RCEN = 1; |
| break; |
| case I2C_SEND_STOP: |
| // Send the stop bit and copy message to send to Main() |
| i2c_data.operating_state = I2C_IDLE; |
| SSPCON2bits.PEN = 1; |
| i2c_data.master_status = I2C_MASTER_IDLE; |
| i2c_data.return_status = I2C_RECV_OK; |
| break; |
| } |
| } else { |
| i2c_pdata->status = I2C_STARTED; |
| } |
| } |
| void i2c_interrupt_slave() { |
| unsigned char i2c_data; |
| void I2C_Interrupt_Slave() { |
| unsigned char received_data; |
| unsigned char data_read_from_buffer = 0; |
| unsigned char data_written_to_buffer = 0; |
| unsigned char msg_send_data_to_main = 0; |
| unsigned char overrun_error = 0; |
| unsigned char error_buf[3]; |
| unsigned char msgtype = 0; |
| // Clear SSPOV (overflow bit) |
| if (SSPCON1bits.SSPOV == 1) { |
| DBG_PRINT_I2C("I2C: overflow detected\r\n"); |
| // DBG_PRINT_I2C("I2C: overflow detected\r\n"); |
| SSPCON1bits.SSPOV = 0; |
| // We failed to read the buffer in time, so we know we |
| // can't properly receive this message, just put us in the |
| // a state where we are looking for a new message |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| overrun_error = 1; |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_OVERRUN; |
| i2c_data.return_status = I2C_ERR_OVERRUN; |
| } |
| // Read SPPxBUF if it is full |
| if (SSPSTATbits.BF == 1) { |
| i2c_data = SSPBUF; |
| DBG_PRINT_I2C("I2C: data read from buffer: %x\r\n", SSPBUF); |
| received_data = SSPBUF; |
| // DBG_PRINT_I2C("I2C: data read from buffer: %x\r\n", SSPBUF); |
| data_read_from_buffer = 1; |
| } |
| if (!overrun_error) { |
| switch (i2c_pdata->status) { |
| switch (i2c_data.operating_state) { |
| case I2C_IDLE: |
| { |
| // Ignore anything except a start |
| if (SSPSTATbits.S == 1) { |
| i2c_handle_start(data_read_from_buffer); |
| // If we see a slave read, then we need to handle it here |
| if (i2c_pdata->status == I2C_SEND_DATA) { |
| // Return the first byte (message id) |
| SSPBUF = 0x3; |
| } |
| i2c_data.buffer_in_len_tmp = 0; |
| i2c_data.operating_state = I2C_STARTED; |
| // if (data_read_from_buffer) { |
| // if (SSPSTATbits.D_A == 1) { |
| //// DBG_PRINT_I2C("I2C Start: (ERROR) no address recieved\r\n"); |
| // // This is bad because we got data and we wanted an address |
| // i2c_data.operating_state = I2C_IDLE; |
| // i2c_data.return_status = I2C_ERR_NOADDR; |
| // } else { |
| // // Determine if we are sending or receiving data |
| // if (SSPSTATbits.R_W == 1) { |
| // i2c_data.operating_state = I2C_SEND_DATA; |
| // } else { |
| // i2c_data.operating_state = I2C_RCV_DATA; |
| // } |
| // } |
| // } else { |
| // i2c_data.operating_state = I2C_STARTED; |
| // } |
| } |
| break; |
| } |
| 271,92 → 366,54 |
| { |
| // In this case, we expect either an address or a stop bit |
| if (SSPSTATbits.P == 1) { |
| // We need to check to see if we also read an address (a message of length 0) |
| i2c_pdata->slave_event_count++; |
| if (data_read_from_buffer) { |
| if (SSPSTATbits.D_A == 0) { |
| msg_send_data_to_main = 1; |
| } else { |
| DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_NODATA; |
| } |
| } |
| // Return to idle mode |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.operating_state = I2C_IDLE; |
| } else if (data_read_from_buffer) { |
| i2c_pdata->slave_event_count++; |
| if (SSPSTATbits.D_A == 0) { |
| if (SSPSTATbits.R_W == 0) { // Slave write |
| i2c_pdata->status = I2C_RCV_DATA; |
| } else { // Slave read |
| i2c_pdata->status = I2C_SEND_DATA; |
| // Return the first byte (message id) |
| SSPBUF = 0x3; |
| // Address received |
| if (SSPSTATbits.R_W == 0) { |
| // Slave write mode |
| i2c_data.operating_state = I2C_RCV_DATA; |
| } else { |
| // Slave read mode |
| i2c_data.operating_state = I2C_SEND_DATA; |
| // Process the first byte immediatly if sending data |
| goto send; |
| } |
| } else { |
| DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->status = I2C_IDLE; |
| i2c_pdata->slave_error_code = I2C_ERR_NODATA; |
| // DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_data.operating_state = I2C_IDLE; |
| i2c_data.return_status = I2C_ERR_NODATA; |
| } |
| } |
| break; |
| } |
| send: |
| case I2C_SEND_DATA: |
| { |
| // If we arnt current in the middle of sending data, check to see |
| // if there is a message in the queue to send |
| if (!i2c_pdata->slave_sending_data) { |
| // Check the message type of the next message in queue |
| msgtype = MQ_peek_FromMainToHigh(); |
| if (msgtype != MSGTYPE_I2C_REPLY || msgtype == 0) { |
| // If the message queue is empty or to another interrupt processor, return 0xFF |
| DBG_PRINT_I2C("I2C: Returning 0xFF [%d:%d]\r\n", 0, i2c_pdata->slave_in_last_byte-1); |
| SSPBUF = 0xFF; |
| i2c_pdata->bufind = 1; |
| i2c_pdata->slave_sending_data = 1; |
| i2c_pdata->slave_sending_blank_data = 1; |
| if (!i2c_data.slave_sending_data) { |
| // If we are not currently sending data, figure out what to reply with |
| if (I2C_Process_Send(i2c_data.slave_in_last_byte)) { |
| // Data exists to be returned, send first byte |
| SSPBUF = i2c_data.buffer_out[0]; |
| i2c_data.buffer_out_ind = 1; |
| i2c_data.slave_sending_data = 1; |
| data_written_to_buffer = 1; |
| } else { |
| i2c_pdata->buflen = MQ_recvmsg_FromMainToHigh(MSGLEN, (unsigned char *)i2c_pdata->slave_outbufmsgtype, (void *) i2c_pdata->buffer); |
| // DBG_PRINT_I2C("%x\r\n",i2c_ptr->buffer[0]); |
| // DBG_PRINT_I2C("I2C: buffer Message Length: %d\r\n",i2c_ptr->outbuflen); |
| if (i2c_pdata->buflen > 0) { |
| // Otherwise return the first byte of data |
| DBG_PRINT_I2C("I2C: Returning %x [%d,%d]\r\n", i2c_pdata->buffer[0], 0, i2c_pdata->buflen-1); |
| SSPBUF = i2c_pdata->buffer[0]; |
| i2c_pdata->bufind = 1; |
| i2c_pdata->slave_sending_data = 1; |
| data_written_to_buffer = 1; |
| } else { |
| DBG_PRINT_I2C("I2C: (ERROR) Unexpected msg in queue, type = %x\r\n", i2c_pdata->slave_outbufmsgtype); |
| } |
| // Unknown request |
| i2c_data.slave_sending_data = 0; |
| i2c_data.operating_state = I2C_IDLE; |
| } |
| } else if (i2c_pdata->slave_sending_blank_data) { |
| // If we are currently sending 0xFFs back, keep sending for the requested number of bytes |
| if (i2c_pdata->bufind < i2c_pdata->slave_in_last_byte) { |
| DBG_PRINT_I2C("I2C: Returning 0xFF [%d:%d]\r\n", i2c_pdata->bufind, i2c_pdata->slave_in_last_byte-1); |
| SSPBUF = 0xFF; |
| i2c_pdata->bufind++; |
| data_written_to_buffer = 1; |
| } else { |
| // We have nothing left to send |
| i2c_pdata->slave_sending_data = 0; |
| i2c_pdata->slave_sending_blank_data = 0; |
| i2c_pdata->status = I2C_IDLE; |
| } |
| } else { |
| // Otherwise keep sending back the requested data |
| if (i2c_pdata->bufind < i2c_pdata->buflen) { |
| DBG_PRINT_I2C("I2C: Returning %x [%d,%d]\r\n", i2c_pdata->buffer[i2c_pdata->bufind], i2c_pdata->bufind, i2c_pdata->buflen-1); |
| SSPBUF = i2c_pdata->buffer[i2c_pdata->bufind]; |
| i2c_pdata->bufind++; |
| // Sending remaining data back to master |
| if (i2c_data.buffer_out_ind < i2c_data.buffer_out_len) { |
| SSPBUF = i2c_data.buffer_out[i2c_data.buffer_out_ind]; |
| i2c_data.buffer_out_ind++; |
| data_written_to_buffer = 1; |
| } else { |
| // We have nothing left to send |
| i2c_pdata->slave_sending_data = 0; |
| i2c_pdata->status = I2C_IDLE; |
| // Nothing left to send |
| i2c_data.slave_sending_data = 0; |
| i2c_data.operating_state = I2C_IDLE; |
| } |
| } |
| break; |
| 365,40 → 422,53 |
| { |
| // We expect either data or a stop bit or a (if a restart, an addr) |
| if (SSPSTATbits.P == 1) { |
| // We need to check to see if we also read data |
| i2c_pdata->slave_event_count++; |
| // Stop bit detected, we need to check to see if we also read data |
| if (data_read_from_buffer) { |
| if (SSPSTATbits.D_A == 1) { |
| i2c_pdata->buffer[i2c_pdata->buflen] = i2c_data; |
| i2c_pdata->buflen++; |
| msg_send_data_to_main = 1; |
| // Data received with stop bit |
| i2c_data.buffer_in[i2c_data.buffer_in_write_ind] = received_data; |
| if (i2c_data.buffer_in_write_ind == MAXI2CBUF-1) { |
| i2c_data.buffer_in_write_ind = 0; |
| } else { |
| i2c_data.buffer_in_write_ind++; |
| } |
| i2c_data.buffer_in_len_tmp++; |
| // Save the last byte received |
| i2c_data.slave_in_last_byte = received_data; |
| i2c_data.return_status = I2C_DATA_AVAL; |
| } else { |
| DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_NODATA; |
| i2c_pdata->status = I2C_IDLE; |
| // DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_data.operating_state = I2C_IDLE; |
| i2c_data.return_status = I2C_ERR_NODATA; |
| } |
| } else { |
| msg_send_data_to_main = 1; |
| } |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.buffer_in_len += i2c_data.buffer_in_len_tmp; |
| i2c_data.operating_state = I2C_IDLE; |
| } else if (data_read_from_buffer) { |
| i2c_pdata->slave_event_count++; |
| if (SSPSTATbits.D_A == 1) { |
| i2c_pdata->buffer[i2c_pdata->buflen] = i2c_data; |
| i2c_pdata->buflen++; |
| } else /* a restart */ { |
| // Data received |
| i2c_data.buffer_in[i2c_data.buffer_in_write_ind] = received_data; |
| if (i2c_data.buffer_in_write_ind == MAXI2CBUF-1) { |
| i2c_data.buffer_in_write_ind = 0; |
| } else { |
| i2c_data.buffer_in_write_ind++; |
| } |
| i2c_data.buffer_in_len_tmp++; |
| // Save the last byte received |
| i2c_data.slave_in_last_byte = received_data; |
| i2c_data.return_status = I2C_DATA_AVAL; |
| } else { |
| // Restart bit detected |
| if (SSPSTATbits.R_W == 1) { |
| i2c_pdata->status = I2C_SEND_DATA; |
| msg_send_data_to_main = 1; |
| // Return the first byte (message id) |
| SSPBUF = 0x3; |
| } else { // Bad to recv an address again, we aren't ready |
| DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_NODATA; |
| i2c_pdata->status = I2C_IDLE; |
| i2c_data.buffer_in_len += i2c_data.buffer_in_len_tmp; |
| i2c_data.operating_state = I2C_SEND_DATA; |
| // Process the first byte immediatly if sending data |
| goto send; |
| } else { |
| // Bad to recv an address again, we aren't ready |
| // DBG_PRINT_I2C("I2C: (ERROR) no data recieved\r\n"); |
| i2c_data.operating_state = I2C_IDLE; |
| i2c_data.return_status = I2C_ERR_NODATA; |
| } |
| } |
| } |
| 414,35 → 484,56 |
| SSPCON1bits.CKP = 1; |
| } |
| } |
| } |
| // Must check if the message is too long |
| if ((i2c_pdata->buflen > MAXI2CBUF - 2) && (!msg_send_data_to_main)) { |
| DBG_PRINT_I2C("I2C: (ERROR) message too long\r\n"); |
| i2c_pdata->status = I2C_IDLE; |
| i2c_pdata->slave_error_count++; |
| i2c_pdata->slave_error_code = I2C_ERR_MSGTOOLONG; |
| /* Returns 0 if I2C module is currently busy, otherwise returns status code */ |
| unsigned char I2C_Get_Status() { |
| if (i2c_data.operating_mode == I2C_MODE_MASTER) { |
| if (i2c_data.master_status != I2C_MASTER_IDLE || i2c_data.buffer_in_len == 0) { |
| return 0; |
| } else { |
| return i2c_data.return_status; |
| } |
| } else if (i2c_data.operating_mode = I2C_MODE_SLAVE) { |
| if (i2c_data.operating_state != I2C_IDLE || i2c_data.buffer_in_len == 0) { |
| return 0; |
| } else { |
| return i2c_data.return_status; |
| } |
| } |
| } |
| if (msg_send_data_to_main) { |
| DBG_PRINT_I2C("I2C: sending message to main()\r\n"); |
| i2c_pdata->slave_in_last_byte = i2c_pdata->buffer[i2c_pdata->buflen-1]; |
| i2c_pdata->buffer[i2c_pdata->buflen] = i2c_pdata->slave_event_count; |
| MQ_sendmsg_ToMainFromHigh(i2c_pdata->buflen + 1, MSGTYPE_I2C_DATA, (void *) i2c_pdata->buffer); |
| i2c_pdata->buflen = 0; |
| } else if (i2c_pdata->slave_error_count >= I2C_ERR_THRESHOLD) { |
| DBG_PRINT_I2C("I2C: (ERROR) error threshold passed\r\n"); |
| error_buf[0] = i2c_pdata->slave_error_count; |
| error_buf[1] = i2c_pdata->slave_error_code; |
| error_buf[2] = i2c_pdata->slave_event_count; |
| MQ_sendmsg_ToMainFromHigh(sizeof (unsigned char) *3, MSGTYPE_I2C_DBG, (void *) error_buf); |
| i2c_pdata->slave_error_count = 0; |
| /* Returns 0 if I2C module is currently busy, otherwise returns buffer length */ |
| unsigned char I2C_Read_Buffer(char *buffer) { |
| unsigned char i = 0; |
| while (i2c_data.buffer_in_len != 0) { |
| buffer[i] = i2c_data.buffer_in[i2c_data.buffer_in_read_ind]; |
| i++; |
| if (i2c_data.buffer_in_read_ind == MAXI2CBUF-1) { |
| i2c_data.buffer_in_read_ind = 0; |
| } else { |
| i2c_data.buffer_in_read_ind++; |
| } |
| i2c_data.buffer_in_len--; |
| } |
| return i; |
| } |
| unsigned char i2c_master_busy() { |
| if (i2c_pdata->master_state == I2C_MASTER_IDLE) { |
| return 0; |
| } else { |
| return 1; |
| /* Put data to be returned here */ |
| unsigned char I2C_Process_Send(unsigned char c) { |
| unsigned char ret = 0; |
| switch (c) { |
| case 0xAA: |
| i2c_data.buffer_out[0] = 'A'; |
| i2c_data.buffer_out_len = 1; |
| ret = 1; |
| break; |
| case 0xBB: |
| i2c_data.buffer_out[0] = '1'; |
| i2c_data.buffer_out[1] = '2'; |
| i2c_data.buffer_out_len = 2; |
| ret = 1; |
| break; |
| } |
| } |
| return ret; |
| } |
| /PIC Stuff/PIC_27J13/i2c.h |
|---|
| 1,57 → 1,76 |
| #ifndef __i2c_h |
| #define __i2c_h |
| #define MAXI2CBUF MSGLEN |
| #define MAXI2CBUF 64 |
| #define I2C_IDLE 0x5 |
| #define I2C_STARTED 0x6 |
| #define I2C_RCV_DATA 0x7 |
| #define I2C_SEND_DATA 0x8 |
| #define I2C_SEND_ADDR 0x9 |
| #define I2C_CHECK_ACK 0xB |
| #define I2C_REQ_DATA 0xC |
| #define I2C_SEND_STOP 0xD |
| // Operating State |
| #define I2C_IDLE 0x1 |
| #define I2C_STARTED 0x2 |
| #define I2C_RCV_DATA 0x3 |
| #define I2C_SEND_DATA 0x4 |
| #define I2C_SEND_ADDR 0x5 |
| #define I2C_SEND_ADDR_2 0x6 |
| #define I2C_CHECK_ACK_SEND 0x7 |
| #define I2C_CHECK_ACK_RECV 0x8 |
| #define I2C_CHECK_ACK_RESTART 0x9 |
| #define I2C_REQ_DATA 0xA |
| #define I2C_SEND_STOP 0xB |
| #define I2C_SEND_START 0xC |
| #define I2C_MODE_SLAVE 0x10 |
| #define I2C_MODE_MASTER 0x11 |
| // Operating Mode |
| #define I2C_MODE_SLAVE 0x10 |
| #define I2C_MODE_MASTER 0x11 |
| #define I2C_MASTER_SEND 0x20 |
| #define I2C_MASTER_RECV 0x21 |
| #define I2C_MASTER_IDLE 0x22 |
| // Master Status |
| #define I2C_MASTER_SEND 0x20 |
| #define I2C_MASTER_RECV 0x21 |
| #define I2C_MASTER_RESTART 0x22 |
| #define I2C_MASTER_IDLE 0x23 |
| #define I2C_ERR_THRESHOLD 1 |
| #define I2C_ERR_OVERRUN 0x4 |
| #define I2C_ERR_NOADDR 0x5 |
| #define I2C_ERR_NODATA 0x6 |
| #define I2C_ERR_MSGTOOLONG 0x7 |
| #define I2C_ERR_MSG_TRUNC 0x8 |
| // Return Status |
| #define I2C_SEND_OK 0x30 |
| #define I2C_SEND_FAIL 0x31 |
| #define I2C_RECV_OK 0x32 |
| #define I2C_RECV_FAIL 0x33 |
| #define I2C_DATA_AVAL 0x34 |
| #define I2C_ERR_NOADDR 0x35 |
| #define I2C_ERR_OVERRUN 0x36 |
| #define I2C_ERR_NODATA 0x37 |
| #define I2C_ERR_BUFFER_OVERRUN 0x38 |
| typedef struct __I2C_DATA { |
| unsigned char buffer[MAXI2CBUF]; |
| int buflen; |
| unsigned char status; |
| unsigned char bufind; |
| unsigned char slave_event_count; |
| unsigned char slave_error_code; |
| unsigned char slave_error_count; |
| unsigned char buffer_in[MAXI2CBUF]; |
| unsigned char buffer_in_len; |
| unsigned char buffer_in_len_tmp; |
| unsigned char buffer_in_read_ind; |
| unsigned char buffer_in_write_ind; |
| unsigned char buffer_out[MAXI2CBUF]; |
| unsigned char buffer_out_len; |
| unsigned char buffer_out_ind; |
| unsigned char operating_mode; |
| unsigned char operating_state; |
| unsigned char return_status; |
| unsigned char master_dest_addr; |
| unsigned char master_status; |
| unsigned char slave_in_last_byte; |
| unsigned char slave_outbufmsgtype; |
| unsigned char slave_sending_data; |
| unsigned char slave_sending_blank_data; |
| unsigned char master_dest_addr; |
| unsigned char master_state; |
| unsigned char mode; |
| } I2C_DATA; |
| void i2c_init(I2C_DATA *); |
| void i2c_interrupt_handler(void); |
| void i2c_interrupt_slave(void); |
| void i2c_interrupt_master(void); |
| void i2c_configure_slave(unsigned char); |
| void i2c_configure_master(void); |
| void i2c_master_send(unsigned char address, unsigned char length,unsigned char *msg); |
| void i2c_master_recv(unsigned char address, unsigned char length); |
| unsigned char i2c_master_busy(void); |
| void I2C_Init(void); |
| void I2C_Interrupt_Handler(void); |
| void I2C_Interrupt_Slave(void); |
| void I2C_Interrupt_Master(void); |
| void I2C_Configure_Slave(unsigned char); |
| void I2C_Configure_Master(void); |
| void I2C_Master_Send(unsigned char address, unsigned char length,unsigned char *msg); |
| void I2C_Master_Recv(unsigned char address, unsigned char length); |
| void I2C_Master_Restart(unsigned char address, unsigned char msg, unsigned char length); |
| unsigned char I2C_Get_Status(void); |
| unsigned char I2C_Read_Buffer(char *buffer); |
| unsigned char I2C_Process_Send(unsigned char); |
| #endif |
| /PIC Stuff/PIC_27J13/interrupts.c |
|---|
| 1,5 → 1,6 |
| #include "maindefs.h" |
| #include "uart.h" |
| #include "i2c.h" |
| #include "interrupts.h" |
| //---------------------------------------------------------------------------- |
| 18,7 → 19,7 |
| IPR1bits.RC1IP = 1; // USART1 RX interrupt |
| IPR1bits.TX1IP = 1; // USART1 TX interrupt |
| // IPR3bits.RC2IP = 1; // USART2 RX interrupt |
| // IPR1bits.SSPIP = 1; // I2C interrupt |
| IPR1bits.SSPIP = 1; // I2C interrupt |
| // Low priority interrupts |
| 29,8 → 30,6 |
| // INTCON2bits.RBIP = 0; // Port B interrupt |
| // INTCON3bits.INT1IP = 0; // INT1 interrupt |
| // Enable I2C interrupt |
| // PIE1bits.SSPIE = 1; |
| // Enable Port B interrupt |
| // INTCONbits.RBIE = 1; |
| // Enable interrupt for INT1 |
| 134,15 → 133,16 |
| // PIR3bits.RC2IF = 0; |
| // } |
| // // Check to see if we have an I2C interrupt |
| // if (PIR1bits.SSPIF) { |
| // DBG_PRINT_INT("INT: I2C\r\n"); |
| // // Call the handler |
| // i2c_interrupt_handler(); |
| // |
| // // Clear the interrupt flag |
| // PIR1bits.SSPIF = 0; |
| // } |
| // Check to see if we have an I2C interrupt |
| if (PIR1bits.SSPIF) { |
| // Call the handler |
| I2C_Interrupt_Handler(); |
| // Clear the interrupt flag |
| PIR1bits.SSPIF = 0; |
| return; |
| } |
| } |
| //---------------------------------------------------------------------------- |
| /PIC Stuff/PIC_27J13/main.c |
|---|
| 1,7 → 1,7 |
| #include "maindefs.h" |
| #include "interrupts.h" |
| #include "uart.h" |
| //#include "i2c.h" |
| #include "i2c.h" |
| //#include "adc.h" |
| //#include "timers.h" |
| //#include "xbee.h" |
| 57,6 → 57,8 |
| void main(void) { |
| unsigned char i = 0; |
| unsigned char length = 0; |
| unsigned char result = 0; |
| unsigned char test[8] = "ASDF123"; |
| unsigned char buffer[100]; |
| /* --------------------- Oscillator Configuration --------------------- */ |
| 70,8 → 72,8 |
| ANCON1 = 0x1F; |
| UART1_Init(); // Initialize the UART handler code |
| I2C_Init(); // Initialize the I2C handler code |
| // xbee_init(&xbee_data); // Initialize the XBee handler code |
| // i2c_init(&i2c_data); // Initialize the I2C handler code |
| // adc_init(); // Initialize the ADC |
| // timers_init(); // Initialize timers |
| // port_b_int_init(); // Initialze Port B interrupt handler |
| 84,11 → 86,67 |
| // Loop and process recieved messages from interrupts; |
| // I2C_Configure_Master(); |
| I2C_Configure_Slave(0x30); |
| TRISCbits.TRISC0 = 0; |
| TRISCbits.TRISC1 = 0; |
| TRISCbits.TRISC2 = 0; |
| LATCbits.LATC0 = 0; |
| LATCbits.LATC1 = 0; |
| LATCbits.LATC2 = 0; |
| while (1) { |
| length = UART1_Read((char *)buffer); |
| if (length != 0) { |
| UART1_WriteB((char *)buffer, length) ; |
| // |
| // Delay10KTCYx(255); |
| // Delay10KTCYx(255); |
| /* UART Test */ |
| // length = UART1_Read((char *)buffer); |
| // if (length != 0) { |
| // UART1_WriteB((char *)buffer, length) ; |
| // } |
| /* UART Test*/ |
| /* I2C Master Test */ |
| // buffer[0] = 0xBB; |
| // I2C_Master_Send(0x30, 1, buffer); |
| // |
| // result = I2C_Get_Status(); |
| // while (!result) { |
| // result = I2C_Get_Status(); |
| // } |
| // DBG_PRINT_MAIN("%x ", result); |
| // |
| // I2C_Master_Recv(0x30, 2); |
| // |
| // result = I2C_Get_Status(); |
| // while (!result) { |
| // result = I2C_Get_Status(); |
| // } |
| // DBG_PRINT_MAIN("%x ", result); |
| // |
| // I2C_Master_Restart(0x30, 0xBB, 2); |
| // |
| // result = I2C_Get_Status(); |
| // while (!result) { |
| // result = I2C_Get_Status(); |
| // } |
| // DBG_PRINT_MAIN("%x\r\n", result); |
| /* I2C Master Test */ |
| /* I2C Slave Receive Test */ |
| result = I2C_Get_Status(); |
| while (!result) { |
| result = I2C_Get_Status(); |
| } |
| Delay10KTCYx(255); |
| DBG_PRINT_MAIN("%X ", result); |
| length = I2C_Read_Buffer(buffer); |
| DBG_PRINT_MAIN("%d ", length); |
| for (i = 0; i < length; i++) { |
| DBG_PRINT_MAIN("%X ", buffer[i]); |
| } |
| DBG_PRINT_MAIN("\r\n"); |
| /* I2C Slave Receive Test */ |
| } |
| } |
| /PIC Stuff/PIC_27J13/maindefs.h |
|---|
| 3,6 → 3,7 |
| #include <p18f27j13.h> |
| #include <stdio.h> |
| #include "uart.h" |
| #define _DEBUG |
| /PIC Stuff/PIC_27J13/nbproject/Makefile-default.mk |
|---|
| 41,11 → 41,11 |
| DISTDIR=dist/${CND_CONF}/${IMAGE_TYPE} |
| # Object Files Quoted if spaced |
| OBJECTFILES_QUOTED_IF_SPACED=${OBJECTDIR}/interrupts.o ${OBJECTDIR}/main.o ${OBJECTDIR}/uart.o |
| POSSIBLE_DEPFILES=${OBJECTDIR}/interrupts.o.d ${OBJECTDIR}/main.o.d ${OBJECTDIR}/uart.o.d |
| OBJECTFILES_QUOTED_IF_SPACED=${OBJECTDIR}/interrupts.o ${OBJECTDIR}/main.o ${OBJECTDIR}/uart.o ${OBJECTDIR}/i2c.o |
| POSSIBLE_DEPFILES=${OBJECTDIR}/interrupts.o.d ${OBJECTDIR}/main.o.d ${OBJECTDIR}/uart.o.d ${OBJECTDIR}/i2c.o.d |
| # Object Files |
| OBJECTFILES=${OBJECTDIR}/interrupts.o ${OBJECTDIR}/main.o ${OBJECTDIR}/uart.o |
| OBJECTFILES=${OBJECTDIR}/interrupts.o ${OBJECTDIR}/main.o ${OBJECTDIR}/uart.o ${OBJECTDIR}/i2c.o |
| CFLAGS= |
| 94,6 → 94,12 |
| ${MP_CC} $(MP_EXTRA_CC_PRE) -D__DEBUG -D__MPLAB_DEBUGGER_PK3=1 -p$(MP_PROCESSOR_OPTION) -oi -mL -I ${MP_CC_DIR}\\..\\h -fo ${OBJECTDIR}/uart.o uart.c |
| @${DEP_GEN} -d ${OBJECTDIR}/uart.o |
| ${OBJECTDIR}/i2c.o: i2c.c nbproject/Makefile-${CND_CONF}.mk |
| @${MKDIR} ${OBJECTDIR} |
| @${RM} ${OBJECTDIR}/i2c.o.d |
| ${MP_CC} $(MP_EXTRA_CC_PRE) -D__DEBUG -D__MPLAB_DEBUGGER_PK3=1 -p$(MP_PROCESSOR_OPTION) -oi -mL -I ${MP_CC_DIR}\\..\\h -fo ${OBJECTDIR}/i2c.o i2c.c |
| @${DEP_GEN} -d ${OBJECTDIR}/i2c.o |
| else |
| ${OBJECTDIR}/interrupts.o: interrupts.c nbproject/Makefile-${CND_CONF}.mk |
| @${MKDIR} ${OBJECTDIR} |
| 113,6 → 119,12 |
| ${MP_CC} $(MP_EXTRA_CC_PRE) -p$(MP_PROCESSOR_OPTION) -oi -mL -I ${MP_CC_DIR}\\..\\h -fo ${OBJECTDIR}/uart.o uart.c |
| @${DEP_GEN} -d ${OBJECTDIR}/uart.o |
| ${OBJECTDIR}/i2c.o: i2c.c nbproject/Makefile-${CND_CONF}.mk |
| @${MKDIR} ${OBJECTDIR} |
| @${RM} ${OBJECTDIR}/i2c.o.d |
| ${MP_CC} $(MP_EXTRA_CC_PRE) -p$(MP_PROCESSOR_OPTION) -oi -mL -I ${MP_CC_DIR}\\..\\h -fo ${OBJECTDIR}/i2c.o i2c.c |
| @${DEP_GEN} -d ${OBJECTDIR}/i2c.o |
| endif |
| # ------------------------------------------------------------------------------------ |
| /PIC Stuff/PIC_27J13/nbproject/Makefile-genesis.properties |
|---|
| 1,5 → 1,5 |
| # |
| #Thu Jun 28 12:38:48 EDT 2012 |
| #Thu Jun 28 14:34:26 EDT 2012 |
| default.com-microchip-mplab-nbide-toolchainC18-C18LanguageToolchain.md5=fd3c294f650afc344cfb0579847b1618 |
| default.languagetoolchain.dir=C\:\\Program Files (x86)\\Microchip\\mplabc18\\v3.40\\bin |
| com-microchip-mplab-nbide-embedded-makeproject-MakeProject.md5=39edbdd4b2849b7912992109f4b86781 |
| /PIC Stuff/PIC_27J13/nbproject/configurations.xml |
|---|
| 7,6 → 7,7 |
| <itemPath>interrupts.h</itemPath> |
| <itemPath>maindefs.h</itemPath> |
| <itemPath>uart.h</itemPath> |
| <itemPath>i2c.h</itemPath> |
| </logicalFolder> |
| <logicalFolder name="LibraryFiles" |
| displayName="Library Files" |
| 26,6 → 27,7 |
| <itemPath>interrupts.c</itemPath> |
| <itemPath>main.c</itemPath> |
| <itemPath>uart.c</itemPath> |
| <itemPath>i2c.c</itemPath> |
| </logicalFolder> |
| <logicalFolder name="ExternalFiles" |
| displayName="Important Files" |
| 42,7 → 44,7 |
| <targetHeader></targetHeader> |
| <platformTool>PICkit3PlatformTool</platformTool> |
| <languageToolchain>C18</languageToolchain> |
| <languageToolchainVersion>3.42</languageToolchainVersion> |
| <languageToolchainVersion>3.40</languageToolchainVersion> |
| <platform>3</platform> |
| </toolsSet> |
| <compileType> |
| /PIC Stuff/PIC_27J13/nbproject/private/configurations.xml |
|---|
| 5,7 → 5,7 |
| <confs> |
| <conf name="default" type="2"> |
| <platformToolSN>:=MPLABCommUSB:=04D8:=900A:=0002:=Microchip Technology Inc.:=PICkit 3:=BUR114189291:=x:=en</platformToolSN> |
| <languageToolchainDir>C:\Program Files (x86)\Microchip\mplabc18\v3.42\bin</languageToolchainDir> |
| <languageToolchainDir>C:\Program Files (x86)\Microchip\mplabc18\v3.40\bin</languageToolchainDir> |
| <mdbdebugger version="1"> |
| <placeholder1>place holder 1</placeholder1> |
| <placeholder2>place holder 2</placeholder2> |
| /PIC Stuff/PIC_27J13/uart.c |
|---|
| 52,7 → 52,7 |
| if (PIR1bits.RC1IF) { // Check if data receive flag is set |
| if (uart_1_data.buffer_in_len == MAXUARTBUF-1) { |
| TXSTA1bits.TXEN = 0; // Kill anything currently sending |
| DBG_PRINT_UART("UART1 Buffer Overflow!\r\n"); |
| DBG_PRINT_UART("UART1: buffer overflow\r\n"); |
| c = RCREG1; // Read RCREG to clear it |
| } else { |
| // Save received data into buffer |
| 71,7 → 71,7 |
| RCSTA1bits.CREN = 0; // Reset UART1 |
| RCSTA1bits.CREN = 1; |
| TXSTA1bits.TXEN = 0; // Kill anything currently sending |
| DBG_PRINT_UART("UART1 Overrun!\r\n"); |
| DBG_PRINT_UART("UART1: overrun\r\n"); |
| } |
| } |