SPI Master //—– SETUP SPI 1 —– //Used for: //Idle low, active high //Transmit on active to idle (falling edge) SpiChnOpen(SPI_CHANNEL1, (SPI_CON_MSTEN | SPI_OPEN_CKE_REV | SPI_CON_MODE8), 2); //40MHz fpb / 2 = 20MHz SPI Slave #define COMMS_SPI_NAME SPI_CHANNEL3 #define COMMS_SPI_ID SPI_CHANNEL3 #define COMMS_SPI_SS_PIN_STATE mPORTEReadBits(BIT_8) //—– SETUP SPI 3 —– //Used for: (we are slave with […]
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Watch
Setting Default Watch Value Format Click the '$' button at the left of the watch window.
I2C
//—– SETUP I2C 1 —– //Used for: EEprom w_temp = I2C1RCV; I2C1ADD = 0; I2C1BRG = 395; //157=100KHz@16MIPS, 395=100KHz@40MIPS (typically 100kHz, 400kHz or 1MHz) I2C1STAT = 0; I2C1CON = 0; I2C1CONbits.I2CEN = 1; //Enable I2C
Include
Both of these are fine: #include "display_files/output/display_files_c.h" #include "display_files\output\display_files_c.h"
Debugger Won’t Work
"The target device is not ready for debugging. Please check your configuration bit settings and program the device before proceeding." If you device has multiple debugger connection / comm channel pins check the correct pair is selected in the configuration bits
Hex Files
Hex Files are in: "ProjectName\dist\default\production\"
MPLAB X Configuration
These are things we change from the default setup to make MPLABX behave the way we like… Turning Off right margin red line Menu > Tools > Options > Editor > Formatting Language: All Languages Right margin: 0 Turning Off Expand Tabs To Spaces setting Menu > Tools > Options > Editor > Formatting Language: […]
Configuration Bits, SFR’s, etc
Menu > Window > PIC Memory Views > Configuration Bits Getting available config settings for a device Get the config fields from the "C:\Program Files (x86)\Microchip\MPASM Suite" .inc file for the device
Memory View
Window > Embedded Memory 4 views, once 1 is open select the memory type to view
Select Compiler
Right Click Project > Properties