/* * init_TM4C123GH6PGE_144pin.c * * Created on: Apr 10, 2022 * Author: thomm */ #include "system.h" #include "init.h" #include "microsd.h" #include "uartstdio.h" // User local version with larger RX buffer #include "sleep.h" #include "i2c_fram.h" extern int microSD_flg; extern struct systemSamplingData sys_samp; // TODO, use #include for these... extern void profile2_toggle(int target); extern void ADS1248_gpio_init(void); extern void AUX1_init(void); extern void optode_init(void); extern void led_init(void); // GPIO and onchip peripheral init for the 144 pin parts // assumes ROM_FPUxxx and ROM_SysCtlClockSet called before calling this function void init_TM4C123GH6PGE_144pin(void) { #ifdef NOCODE // Enable lazy stacking for interrupt handlers. This allows floating-point // instructions to be used within interrupt handlers, but at the expense of2 // extra stack usage. ROM_FPULazyStackingEnable(); //enable floats ROM_FPUEnable(); //set the system clock...Using 400MHz PLL and DIV_4 yields 100MHz (comment says 50MHZ ?) ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN); #endif //TM4C123GH6PGE = 144 (105 GPIO) //PA0 - PA7 8 //PB0 - PB5 6 //PC0 - PC7 8 //PD0 - PD7 8 //PE0 - PE7 8 //PF0 - PF7 8 //PG0 - PG7 8 //PH0 - PH7 8 //PJ0 - PJ7 8 //PK0 - PK7 8 //PL0 - PL7 8 //PM0 - PM7 8 //PN0 - PN7 8 //PP0 - PP2 3 //ROM_SysCtlDelay(MILLISECOND*100); //THOM MFET is not usable after experimenting with delay /*** Enable the GPIO ports used ***/ ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOH); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOJ); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOK); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOM); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPION); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOP); /*** Initialize Green and Red LED ***/ // This is done early in init to enable oscope timing led_init(); led_power_on(); #if BOARD_MFET == 2 // Set PA1 high to avoid RS232 glitch, later in init(), this will be setup as console serial port (Looks like CONSOLE SHUTDOWN is all that is req'd) ROM_GPIOPinTypeGPIOOutput(GPIO_PORTA_BASE, GPIO_PIN_1); // PA1 is console TX ROM_GPIOPinWrite(GPIO_PORTA_BASE, GPIO_PIN_1, 0xFF); // was 0xff // BUG Fix 19 May 2022 (PORTP to PORTA) ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); // PL0, pin 107 // CONSOLE SHUTDOWN # (active low) ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_1, 0x00); // Keep max3232 in shutdown until after console uart is config'd #endif ROM_SysCtlDelay(MILLISECOND*2); // THOM, fast startup // Temporarily Setup unused ports as GPIO (change this if I2C, SSI2, or M0PWM used) // According to the TM4c123g tech ref manual, GPIO are set as inputs after power on reset // The init policy will be to only setup GPIO as output for those that are used on a particular board (minimize power consumption) // Also, UARTs, SPI, and I2C peripherals will be configured in a peripheral specific init function just ahead of use. //*********** Initialize unused pins **************** // NOTE: unused pins are configured as inputs at processor reset, precursor to init() being called, lowest power // *** PortA **** // PA0,PA1 Console UART, PA2-PA5 SPI for uSD, PA6, PA7 unused //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTA_BASE, GPIO_PIN_6); // PA6, pin 45 //ROM_GPIOPinWrite(GPIO_PORTA_BASE, GPIO_PIN_6, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTA_BASE, GPIO_PIN_7); // PA7, pin 46 //ROM_GPIOPinWrite(GPIO_PORTA_BASE, GPIO_PIN_7, 0x00); // Clear // *** PortB **** // PB0 unused, PB1 unused, PB2,PB3 are SCL/SDA, PB4 is Humidity, PB5 unused, PB6, PB7 not routed on 144 pin chip //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_0); // PB0, pin 97 //ROM_GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_0, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_1); // PB1, pin 98 //ROM_GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_1, 0x00); // Clear ROM_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_2); // PB2, pin 99 SCL i2c for FRAM ROM_GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_2, 0xFF); // Set (R62 pull up) ROM_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_3); // PB3, pin 100, SDA for FRAM ROM_GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_3, 0xFF); // Set (R63 pull up) //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_4); // PB4, pin 136 Humidity ADC //ROM_GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_4, 0x00); // Clear // *** PortD **** // PD0 to PD3 (MPHOX port power control), not used on MFET, PD4 unused, PD5 Pressure no longer used, PD6 not used, PD7 Input Voltage #if BOARD_MPHOX >= 1 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_0); // CTDpwr off PD0, (pin 1, on 144) CTDpwr on MPHOX, unused pin on MFET ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_0, 0x00); // CTDpwr=off silk: J8 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_1); // AUXpwr1 off PD1, (pin 2) AUXpwr1 on MPHOX, unused pin on MFET ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_1, 0x00); // AUXpwr1=off silk: J12 AUX - PWR1 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_2); // AUXpwr2 off PD2, (pin 3) AUXpwr2 on MPHOX, unused pin on MFET ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_2, 0x00); // AUXpwr2=off silk: J13 AUX - PWR2 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_3); // AUXpwr3 (MPHOX) (PD3, pin 4) AUXPwr3 on MPHOX, unused pin on MFET ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_3, 0x00); // AUXpwr3=0 silk: J14 COMM - PWR #endif //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_5); // PD5, pin 142 Pressure (no longer used) //ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_5, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_7); // PD7, pin 144 Input Voltage (ADC12) //ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_7, 0x00); // Clear // *** PortE **** // PE3 is green LED on MPHOX, PP2 is red LED, handled in led_init(), all other PortE pins are unused on MPHOX and MFET ROM_GPIOPinTypeGPIOOutput(GPIO_PORTE_BASE, GPIO_PIN_3); // Green LED (PE3, pin 12) ROM_GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_2); // Red LED (PP2, pin 11) (HMMM) ROM_GPIOPinWrite(GPIO_PORTP_BASE, GPIO_PIN_2, 0xFF); // Red LED off ROM_GPIOPinWrite(GPIO_PORTE_BASE, GPIO_PIN_3, 0x00); // LED GREEN off // *** PortG **** // PG0 - PG7 not used on MFET, PG7,PG6,PG2,PG0 not used on MPHOX, UART on PG4,PG5 is UART2 for CTD, PG3/PG1 are PWM on MPHOX #if BOARD_MPHOX >= 1 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTG_BASE, GPIO_PIN_1); // PG1, pin 54 MPHOX solenoid ROM_GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_1, 0x00); // Clear ROM_GPIOPinTypeGPIOOutput(GPIO_PORTG_BASE, GPIO_PIN_3); // PG3, pin 52 MPHOX solenoid ROM_GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_3, 0x00); // Clear #endif // *** PortH **** // PH0, PH1, PH2, PH3 are SPI, PH4-PH7 are unused /*** Initialize isolated ADS1248 pins as GPIO to reduce power consumption, this will be init'd later as SPI ***/ ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_0); // SSI3CLK ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_0, 0x00); ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_1); // SSI3Fss ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_1, 0x00); ROM_GPIOPinTypeGPIOInput(GPIO_PORTH_BASE, GPIO_PIN_2); // SSI3Rx ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_3); // SSI3Tx ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_3, 0x00); //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_4); // PH4, pin 26 //ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_4, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_5); // PH5, pin 23 //ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_5, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_6); // PH6, pin 22 //ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_6, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTH_BASE, GPIO_PIN_7); // PH7, pin 21 //ROM_GPIOPinWrite(GPIO_PORTH_BASE, GPIO_PIN_7, 0x00); // Clear // *** PORTJ **** // PJ0-PJ7 unused on MPHOX and MFET //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_0); // PJ0, pin 120 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_0, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_1); // PJ1, pin 121 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_1, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_4); // PJ4, pin 127 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_4, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_5); // PJ5, pin 128 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_5, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_6); // PJ6, pin 129 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_6, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTJ_BASE, GPIO_PIN_7); // PJ7, pin 130 //ROM_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_7, 0x00); // Clear // *** PORT K **** // PK0, PK1 ADC, PK2 IsoPwr, PK3,PK4,PK5,PK6,PK7 unused // Isolated power ROM_GPIOPinTypeGPIOOutput(GPIO_PORTK_BASE, GPIO_PIN_2); ROM_GPIOPinWrite(GPIO_PORTK_BASE, GPIO_PIN_2, 0x00); // PK2 pin 18 Iso-power Off //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTK_BASE, GPIO_PIN_5); // PK5, pin 111 //ROM_GPIOPinWrite(GPIO_PORTK_BASE, GPIO_PIN_5, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTK_BASE, GPIO_PIN_6); // PK6, pin 110 //ROM_GPIOPinWrite(GPIO_PORTK_BASE, GPIO_PIN_6, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTK_BASE, GPIO_PIN_7); // PK7, pin 109 //ROM_GPIOPinWrite(GPIO_PORTK_BASE, GPIO_PIN_7, 0x00); // Clear // *** Port L **** // PL0 Console Enable, PL1 Console Shutdown, PL2 5V Optode Power, PL3,PL4 unused, PL5 SDpresent, PL6,PL7 unused #ifdef WRONGSPOT // caused garbage char on power up, moved up to top of init Mar 2022 #if BOARD_MFET == 2 // MFET revB has MAX3222EETP+ ENABLE# is active low, SHUTDOWN# is active low Dual level translator ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_0); // PL0, pin 108 // CONSOLE ENABLE # ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_0, 0x00); // Clear pin to turn console driver on ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); // PL0, pin 107 // CONSOLE SHUTDOWN # (active low) ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_1, 0xff); // Set to disable shutdown (part is enabled) #endif #endif #if BOARD_MPHOX >= 1 // MPHOX revA has ADM3312 ENABLE# is active low, SHUTDOWN is active high Triple RS232 level translator ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_0); // PL0, pin 108 // CONSOLE ENABLE active ;pe ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_0, 0x00); // Set pin 108 to turn console driver on ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); // PL0, pin 107 // CONSOLE SHUTDOWN (active high) ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_1, 0x00); // Clear pin 107 to disable shutdown (part is enabled) // Thom TODO: config the pins for the Spare RS232 level translator // PMO, PM1 on MPHOX only #endif ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_2); // PL2, pin 106 5vOn signal for optode port power ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_2, 0x00); // Clear ROM_GPIOPinTypeGPIOInput(GPIO_PORTL_BASE, GPIO_PIN_5); // PL5, pin 103 SDpresent (input) (BUG FIX 16 Nov 2021, was setup as an output) //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_3); // PL3, pin 105 //ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_3, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_4); // PL4, pin 104 //ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_4, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_6); // PL6, pin 96 //ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_6, 0x00); // Clear // *** Port M **** // PM0-PM5 unused on MFET PM0,PM1 Spare Enable/Shutdown rs232, PM6 Venable, PM7 EnvEnable #if BOARD_MPHOX >= 1 ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_0); // PM0, pin 89 ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_0, 0x00); // Clear ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_1); // PM1, pin 88 ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_1, 0x00); // Clear #endif //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_2); // PM2, pin 87 //ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_2, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_3); // PM3, pin 86 //ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_3, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_5); //ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_5, 0x00); // PM5 pin 84 unused ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_6); // PM6, pin 83 Venable - turns off vbat to adc ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_6, 0x00); // Clear ROM_GPIOPinTypeGPIOOutput(GPIO_PORTM_BASE, GPIO_PIN_7); // PM7, pin 82 EnvVenable - turns on power to env sensor ROM_GPIOPinWrite(GPIO_PORTM_BASE, GPIO_PIN_7, 0x00); // Clear // *** Port N **** // PN0, PN1, PN2, PN7 unused PN3, PN4, PN5, PN6 are SPI for ADC on MCAP //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_0); // PN0, pin 81 //ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_0, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_1); // PN1, pin 80 //ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_1, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_2); // PN2, pin 20 //ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_2, 0x00); // Clear // START pin (non-iso) SEAPHOX ONLY //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_7); //ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_7, 0x00); // Clear pin ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_4); // PN4 pin 71 Routed to TP3 ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_4, 0x00); ROM_GPIOPinTypeGPIOInput(GPIO_PORTN_BASE, GPIO_PIN_3); // PN3 pin 119 MCAP ADS1248 SPI DRDY as Input ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_5); // PN5 pin 70 RESET high ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_5, 0xFF); // ADS1248 MCAP RESET pin ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_6); // PN6 pin 69 START should be high by default ROM_GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_6, 0xFF); // ADS1248 SPI START pin (iso) MCAP // *** Port P **** // Unused PPO, PP1 //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_0); // PP0, pin 131 //ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_0, 0x00); // Clear //ROM_GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_1); // PP1, pin 132 //ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_1, 0x00); // Clear ROM_GPIOPinTypeGPIOOutput(GPIO_PORTP_BASE, GPIO_PIN_2); // Red LED (PP2, pin 11) (HMMM) ROM_GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_2, 0x00); // Clear //*********************** Onchip special function peripheral setup *************************************** /*** Initialize the console uart0 ***/ ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0); ROM_GPIOPinConfigure(GPIO_PA0_U0RX); ROM_GPIOPinConfigure(GPIO_PA1_U0TX); ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1); UARTClockSourceSet(UART0_BASE, UART_CLOCK_PIOSC); UARTStdioConfig(0, 115200, 16000000); // 115200 bits per second #if BOARD_MFET == 2 // MFET revB has MAX3222EETP+ ENABLE# is active low, SHUTDOWN# is active low Dual level translator ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_0); // PL0, pin 108 // CONSOLE ENABLE # ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_0, 0x00); // Clear pin to turn console driver on ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); // PL0, pin 107 // CONSOLE SHUTDOWN # (active low) ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_1, 0xff); // Set to disable shutdown (part is enabled) #endif #if BOARD_MPHOX >= 1 // MPHOX revA has ADM3312 ENABLE# is active low, SHUTDOWN is active high Triple RS232 level translator ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_0); // PL0, pin 108 // CONSOLE ENABLE active ;pe ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_0, 0x00); // Set pin 108 to turn console driver on ROM_GPIOPinTypeGPIOOutput(GPIO_PORTL_BASE, GPIO_PIN_1); // PL0, pin 107 // CONSOLE SHUTDOWN (active high) ROM_GPIOPinWrite(GPIO_PORTL_BASE, GPIO_PIN_1, 0x00); // Clear pin 107 to disable shutdown (part is enabled) // Thom TODO: config the pins for the Spare RS232 level translator // PMO, PM1 on MPHOX only #endif UARTEchoSet(true); // Enable console echo //**** onchip ADC Setup #if BOARD_MFET >= 1 || BOARD_MPHOX == 1 // onchip ADC setup ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_ADC0); ROM_SysCtlDelay(3); //Reset the ADC peripherals ROM_SysCtlPeripheralReset(SYSCTL_PERIPH_ADC0); //Wait "READY" while(!ROM_SysCtlPeripheralReady(SYSCTL_PERIPH_ADC0)); // Select the external reference for greatest accuracy. //ROM_ADCReferenceSet(ADC0_BASE, ADC_REF_EXT_3V); //ROM_ADCClockConfigSet(ADC_CLOCK_RATE_HALF); // 500K rather than default 1M #endif }