diff options
Diffstat (limited to 'sw')
| -rw-r--r-- | sw/Makefile | 24 | ||||
| -rw-r--r-- | sw/main.c | 44 |
2 files changed, 68 insertions, 0 deletions
diff --git a/sw/Makefile b/sw/Makefile new file mode 100644 index 0000000..36538cb --- /dev/null +++ b/sw/Makefile @@ -0,0 +1,24 @@ +CC = xc8-cc +INCLUDES = -I./ -I/home/sam/prog/mla/v2018_11_26/framework/usb/inc +CFLAGS = -mcpu=pic16f1459 -std=c99 $(INCLUDES) -Wall +LDFLAGS = + +OUT = can_gauge +SRC = $(wildcard *.c) +HDR = $(wildcard *.h) + +HEX = $(OUT).hex +OBJ = $(SRC:.c=.p1) + +$(HEX): $(OBJ) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ + +%.p1: %.c + $(CC) $(CFLAGS) -c $< + +clean: + rm -f $(OBJ) $(HEX) *.d *.p1 *.lst *.rlf *.o *.s *.sdb *.sym *.hxl *.elf *.cmf + +$(OBJ): $(HDR) + +.PHONY: clean diff --git a/sw/main.c b/sw/main.c new file mode 100644 index 0000000..c79b6e8 --- /dev/null +++ b/sw/main.c @@ -0,0 +1,44 @@ +#include <xc.h> + +// CONFIG1 +#pragma config FOSC = INTOSC // Oscillator Selection Bits (INTOSC oscillator: I/O function on CLKIN pin) +#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled) +#pragma config PWRTE = OFF // Power-up Timer Enable (PWRT disabled) +#pragma config MCLRE = ON // MCLR Pin Function Select (MCLR pin is MCLR) +#pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled) +#pragma config BOREN = ON // Brown-out Reset Enable (Brown-out Reset enabled) +#pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin) +#pragma config IESO = OFF // Internal/External Switchover Mode (Internal/External Switchover Mode is disabled) +#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is disabled) + +// CONFIG2 +#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off) +#pragma config CPUDIV = NOCLKDIV// CPU System Clock Selection Bit (NO CPU system divide) +#pragma config USBLSCLK = 48MHz // USB Low SPeed Clock Selection bit (System clock expects 48 MHz, FS/LS USB CLKENs divide-by is set to 8.) +#pragma config PLLMULT = 3x // PLL Multipler Selection Bit (3x Output Frequency Selected) +#pragma config PLLEN = ENABLED // PLL Enable Bit (3x or 4x PLL Enabled) +#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset) +#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.) +#pragma config LPBOR = OFF // Low-Power Brown Out Reset (Low-Power BOR is disabled) +#pragma config LVP = ON // Low-Voltage Programming Enable + +static void +clock_init(void) { + OSCCON = 0xFC; // HFINTOSC @ 16MHz, 3x PLL, PLL enabled + ACTCON = 0x90; // active clock tuning enabled for USB +} + +static void +gpio_init(void) { + +} + +void +main(void) { + clock_init(); + gpio_init(); + + for (;;) { + + } +} |