75 lines
3.9 KiB
C
75 lines
3.9 KiB
C
void _mon_putc(char c);
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#define BAUD_GEN(sysclk, baud) ((sysclk / (16 * baud)) - 1)
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#ifdef MICROCHIP_PIC32
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#if defined (__32MZ2048ECH144__) || defined(__32MZ2048ECM144__) || defined(__32MZ2048EFM144__)
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/* Code generated from Harmony example then exported using Window -> PIC32 Memory View -> Configuration Bits into system_config.h */
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#define SYS_CLK_FREQ 200000000ul
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#define SYS_CLK_BUS_PERIPHERAL_2 100000000ul
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// DEVCFG3
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#pragma config FMIIEN = ON // Ethernet RMII/MII Enable (MII Enabled)
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#pragma config FETHIO = ON // Ethernet I/O Pin Select (Default Ethernet I/O)
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#pragma config PGL1WAY = ON // Permission Group Lock One Way Configuration (Allow only one reconfiguration)
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#pragma config PMDL1WAY = ON // Peripheral Module Disable Configuration (Allow only one reconfiguration)
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#pragma config IOL1WAY = ON // Peripheral Pin Select Configuration (Allow only one reconfiguration)
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#pragma config FUSBIDIO = ON // USB USBID Selection (Controlled by the USB Module)
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// DEVCFG2
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#pragma config FPLLIDIV = DIV_1 // System PLL Input Divider (1x Divider)
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#pragma config FPLLRNG = RANGE_5_10_MHZ // System PLL Input Range (5-10 MHz Input)
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#pragma config FPLLICLK = PLL_FRC // System PLL Input Clock Selection (FRC is input to the System PLL)
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#pragma config FPLLMULT = MUL_50 // System PLL Multiplier (PLL Multiply by 50)
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#pragma config FPLLODIV = DIV_2 // System PLL Output Clock Divider (2x Divider)
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#pragma config UPLLFSEL = FREQ_24MHZ // USB PLL Input Frequency Selection (USB PLL input is 24 MHz)
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// DEVCFG1
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#pragma config FNOSC = SPLL // Oscillator Selection Bits (System PLL)
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#pragma config DMTINTV = WIN_127_128 // DMT Count Window Interval (Window/Interval value is 127/128 counter value)
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#pragma config FSOSCEN = OFF // Secondary Oscillator Enable (Disable SOSC)
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#pragma config IESO = OFF // Internal/External Switch Over (Disabled)
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#pragma config POSCMOD = OFF // Primary Oscillator Configuration (Primary osc disabled)
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#pragma config OSCIOFNC = OFF // CLKO Output Signal Active on the OSCO Pin (Disabled)
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#pragma config FCKSM = CSECME // Clock Switching and Monitor Selection (Clock Switch Enabled, FSCM Enabled)
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#pragma config WDTPS = PS1048576 // Watchdog Timer Postscaler (1:1048576)
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#pragma config WDTSPGM = STOP // Watchdog Timer Stop During Flash Programming (WDT stops during Flash programming)
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#pragma config WINDIS = NORMAL // Watchdog Timer Window Mode (Watchdog Timer is in non-Window mode)
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#pragma config FWDTEN = OFF // Watchdog Timer Enable (WDT Disabled)
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#pragma config FWDTWINSZ = WINSZ_25 // Watchdog Timer Window Size (Window size is 25%)
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#pragma config DMTCNT = DMT31 // Deadman Timer Count Selection (2^31 (2147483648))
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#pragma config FDMTEN = OFF // Deadman Timer Enable (Deadman Timer is disabled)
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// DEVCFG0
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#pragma config ICESEL = ICS_PGx2 // ICE/ICD Comm Channel Select (Communicate on PGEC2/PGED2)
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// DEVCP0
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#pragma config CP = OFF // Code Protect (Protection Disabled)
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#include <xc.h>
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#endif
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#endif
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static void init_serial(unsigned int sysClk) {
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#ifdef MICROCHIP_PIC32
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#if defined (__32MZ2048ECH144__) || defined(__32MZ2048ECM144__) || defined(__32MZ2048EFM144__)
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/* This is for pin B14 which is connected to the USB to UART connector J11 located under Ethernet connector */
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/* Setup UART2 */
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#ifdef SYS_CLK_BUS_PERIPHERAL_2
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U2BRG = BAUD_GEN(SYS_CLK_BUS_PERIPHERAL_2, 115200);
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#else
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if (sysClk > 100000000)
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sysClk /= 2;
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U2BRG = BAUD_GEN(sysClk, 115200);
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#endif
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ANSELBCLR = 0x4000;
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ANSELGCLR = 0x0040;
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RPB14R = 0x02;
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U2RXR = 0x01;
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U2MODE = 0x8000;
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U2STA = 0x400;
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#endif
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#endif
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(void)sysClk;
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}
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