OVMS3/OVMS.V3/components/wolfssl/mcapi/PIC32MZ-serial.h

75 lines
3.9 KiB
C

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