void board_init(void)
{
SystemInit();
CGU_Init();
SysTick_Config( CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE)/CFG_TICKS_PER_SECOND ); /* 1 ms Timer */
//------------- USB Bus power HOST ONLY-------------//
scu_pinmux(0x1, 7, MD_PUP | MD_EZI, FUNC4); // P1_7 USB0_PWR_EN, USB0 VBus function Xplorer
scu_pinmux(0x2, 6, MD_PUP | MD_EZI, FUNC4); // P2_6 is configured as GPIO5[6] for USB1_PWR_EN
GPIO_SetDir (5, BIT_(6), 1); // GPIO5[6] is output
GPIO_SetValue (5, BIT_(6)); // GPIO5[6] output high
// Leds Init
for (uint8_t i=0; i<BOARD_MAX_LEDS; i++)
{
scu_pinmux(leds[i].port, leds[i].pin, MD_PUP|MD_EZI|MD_ZI, FUNC0);
GPIO_SetDir(leds[i].port, BIT_(leds[i].pin), 1); // output
}
#if CFG_UART_ENABLE
//------------- UART init -------------//
UART_CFG_Type UARTConfigStruct;
scu_pinmux(0x6 ,4, MD_PDN|MD_EZI, FUNC2); // UART0_TXD
scu_pinmux(0x6 ,5, MD_PDN|MD_EZI, FUNC2); // UART0_RXD
UART_ConfigStructInit(&UARTConfigStruct); // default: baud = 9600, 8 bit data, 1 stop bit, no parity
UARTConfigStruct.Baud_rate = CFG_UART_BAUDRATE; // Re-configure baudrate
UART_Init((LPC_USARTn_Type*) LPC_USART0, &UARTConfigStruct); // Initialize UART port
UART_TxCmd((LPC_USARTn_Type*) LPC_USART0, ENABLE); // Enable UART
#endif
}
void gpio_init(void) {
/* Enable clock and init GPIO outputs */
LPC_CCU1->CLK_M4_GPIO_CFG = CCU_CLK_CFG_AUTO | CCU_CLK_CFG_RUN;
while (!(LPC_CCU1->CLK_M4_GPIO_STAT & CCU_CLK_STAT_RUN));
/* Configure I/O pins: function number, input buffer enabled, */
/* no pull-up/down */
scu_pinmux(1, 1, GPIO_NOPULL, FUNC0); /* LED: GPIO0[8] */
#ifdef BOARD_LPC4337
scu_pinmux(2, 11, GPIO_NOPULL, FUNC0); /* ISPCTRL: GPIO1[11] */
#else
scu_pinmux(2, 3, GPIO_NOPULL, FUNC4); /* ISPCTRL: GPIO5[3] */
#endif
scu_pinmux(2, 5, GPIO_PUP, FUNC4); /* nRESET: GPIO5[5] */
scu_pinmux(2, 6, GPIO_NOPULL, FUNC4); /* nRESET_OE: GPIO5[6] */
/* Configure: LED as output (turned off) */
LPC_GPIO_PORT->CLR[LED_CONNECTED_PORT] = (1 << LED_CONNECTED_BIT);
LPC_GPIO_PORT->DIR[LED_CONNECTED_PORT] |= (1 << LED_CONNECTED_BIT);
/* Configure: ISPCTRL as output and high */
LPC_GPIO_PORT->SET[ISPCTRL_PORT] = (1 << ISPCTRL_BIT);
LPC_GPIO_PORT->DIR[ISPCTRL_PORT] |= (1 << ISPCTRL_BIT);
/* configure Reset Button as input, Reset Output Enable as output LOW */
LPC_GPIO_PORT->DIR[PORT_nRESET] &= ~(1 << PIN_nRESET_IN_BIT);
LPC_GPIO_PORT->CLR[PORT_RESET_TXE] = (1 << PIN_RESET_TXE_IN_BIT);
LPC_GPIO_PORT->DIR[PORT_RESET_TXE] |= (1 << PIN_RESET_TXE_IN_BIT);
/* Use Pin Interrupt 0 */
LPC_SCU->PINTSEL0 &= ~0xff;
LPC_SCU->PINTSEL0 |= (PORT_nRESET << 5) | (PIN_nRESET_IN_BIT);
}
void ads7843_init(void)
{
SSP_CFG_Type SSP_ConfigStruct;
CONFIG_TS_PENIRQ;
scu_pinmux(0x3,3,MD_PLN_FAST,FUNC2); // P3.3 connected to SCL/SCLK func2=SSP0 SCK0
// scu_pinmux(0x9,0,MD_PLN_FAST,FUNC7); // P9.0 connected to nCS func2=SSP0 SSEL0
scu_pinmux(0x9,0,MD_PLN_FAST | MD_EZI,FUNC0);
GPIO_SetDir(4,1<<12,1);
scu_pinmux(0x3,6,MD_PLN_FAST | MD_EZI,FUNC5); // P3.6 connected to SO func2=SSP0 MISO0
GPIO_SetDir(0,1<<6,0);
scu_pinmux(0x3,7,MD_PLN_FAST ,FUNC5); // P3.7 connected to nSI func2=SSP0 MOSI0
// initialize SSP configuration structure to default
SSP_ConfigStructInit(&SSP_ConfigStruct);
SSP_ConfigStruct.ClockRate = 100000;
SSP_ConfigStruct.Databit = SSP_DATABIT_8;
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
// Enable SSP peripheral
SSP_Cmd(LPC_SSP0, ENABLE);
}
void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed)
{
UART_CFG_Type UARTConfigStruct;
/*
* Initialize UART1 pin connect
*/
#if (BOARD == BOARD_XPLORER)
scu_pinmux(0x1 ,13 , MD_PDN, FUNC1); // UART1_TXD
scu_pinmux(0x1 ,14 , MD_PLN|MD_EZI|MD_ZI, FUNC1); // UART1_RXD
#else
scu_pinmux(0x4 ,1 , MD_PDN|MD_EZI, FUNC6); // UART3_TXD
scu_pinmux(0x4 ,2 , MD_PDN|MD_EZI, FUNC6); // UART3_RXD
#endif
/* Initialize UART Configuration parameter structure to default state:
* Baudrate = 9600bps
* 8 data bit
* 1 Stop bit
* None parity
*/
UART_ConfigStructInit(&UARTConfigStruct);
UARTConfigStruct.Baud_rate = BaudRate; // Re-configure baudrate
// Initialize DEBUG_UART_PORT peripheral with given to corresponding parameter
UART_Init(DEBUG_UART_PORT, &UARTConfigStruct);
// Enable UART Transmit
UART_TxCmd(DEBUG_UART_PORT, ENABLE);
}
void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed)
{
UART_CFG_Type UARTConfigStruct;
/*
* Initialize UART pin connect
*/
// scu_pinmux(0x2 ,0 , MD_PDN, FUNC1); // UART0_TXD
// scu_pinmux(0x2 ,1 , MD_PLN|MD_EZI|MD_ZI, FUNC1); // UART0_RXD
scu_pinmux(0x2 ,3 , MD_PDN, FUNC2); // UART3_TXD
scu_pinmux(0x2 ,4 , MD_PLN|MD_EZI|MD_ZI, FUNC2); // UART3_RXD
/* Initialize UART Configuration parameter structure to default state:
* Baudrate = 9600bps
* 8 data bit
* 1 Stop bit
* None parity
*/
UART_ConfigStructInit(&UARTConfigStruct);
UARTConfigStruct.Baud_rate = BaudRate; // Re-configure baudrate
// Initialize uart peripheral with given to corresponding parameter
UART_Init(DEBUG_UART_PORT, &UARTConfigStruct);
// Enable UART Transmit
UART_TxCmd(DEBUG_UART_PORT, ENABLE);
}
void pin_setup(void)
{
int i;
#ifdef AIRSPY_NOS
#else /* AIRSPY One/Demo */
uint8_t serial_clock_rate;
uint8_t clock_prescale_rate;
#endif
/* Configure all GPIO as Input (safe state) */
GPIO0_DIR = 0;
GPIO1_DIR = 0;
GPIO2_DIR = 0;
GPIO3_DIR = 0;
GPIO4_DIR = 0;
GPIO5_DIR = 0;
GPIO6_DIR = 0;
GPIO7_DIR = 0;
/* Pin configuration for all pins */
for(i = 0; i < GPIO_CONF_NB; i++)
{
scu_pinmux(gpio_conf[i].group_pin, gpio_conf[i].scu_conf);
}
/* GPIO1[7] on P1_14 as output. */
GPIO1_DIR |= PIN_EN_R820T;
disable_r820t_power();
/* GPIO1[13] on P2_13 as output. */
GPIO1_DIR |= PIN_EN_BIAST;
disable_biast_power();
#ifdef AIRSPY_NOS
/* GPIO0[12] on P1_17 as output. */
GPIO0_DIR |= PIN_EN_LED1;
#else /* AIRSPY One/Demo */
/* Configure SSP1 Peripheral */
#define SCU_SSP1_SCK (P1_19) /* P1_19 */
scu_pinmux(SCU_SSP1_SCK, (SCU_SSP_IO | SCU_CONF_FUNCTION1));
/* Freq About 1.12MHz => Freq = PCLK / (CPSDVSR * [SCR+1]) with PCLK=PLL1=288MHz */
clock_prescale_rate = 2;
serial_clock_rate = 128;
ssp_init(SSP1_NUM,
SSP_DATA_8BITS,
SSP_FRAME_SPI,
SSP_CPOL_0_CPHA_0,
serial_clock_rate,
clock_prescale_rate,
SSP_MODE_NORMAL,
SSP_MASTER,
SSP_SLAVE_OUT_ENABLE);
#endif
led_off();
}
/* set pins as inputs so we don't interfere with an external JTAG device */
void cpld_jtag_release(jtag_t* const jtag) {
scu_pinmux(SCU_PINMUX_CPLD_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
scu_pinmux(SCU_PINMUX_CPLD_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
gpio_input(jtag->gpio->gpio_tdo);
gpio_input(jtag->gpio->gpio_tck);
gpio_input(jtag->gpio->gpio_tms);
gpio_input(jtag->gpio->gpio_tdi);
}
/* set pins as inputs so we don't interfere with an external JTAG device */
void cpld_jtag_release(void) {
scu_pinmux(SCU_PINMUX_CPLD_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
scu_pinmux(SCU_PINMUX_CPLD_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
GPIO_DIR(PORT_CPLD_TDO) &= ~PIN_CPLD_TDO;
GPIO_DIR(PORT_CPLD_TCK) &= ~PIN_CPLD_TCK;
GPIO_DIR(PORT_CPLD_TMS) &= ~PIN_CPLD_TMS;
GPIO_DIR(PORT_CPLD_TDI) &= ~PIN_CPLD_TDI;
}
void cpld_jtag_setup(void) {
scu_pinmux(SCU_PINMUX_CPLD_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
scu_pinmux(SCU_PINMUX_CPLD_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_CPLD_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
/* TDO is an input */
GPIO_DIR(PORT_CPLD_TDO) &= ~PIN_CPLD_TDO;
/* the rest are outputs */
GPIO_DIR(PORT_CPLD_TCK) |= PIN_CPLD_TCK;
GPIO_DIR(PORT_CPLD_TMS) |= PIN_CPLD_TMS;
GPIO_DIR(PORT_CPLD_TDI) |= PIN_CPLD_TDI;
}
void ssp1_init(void)
{
gpio_clear(PORT_SOURCE_CE, PIN_SOURCE_CE);
gpio_set(PORT_SOURCE_LE, PIN_SOURCE_LE);
gpio_clear(PORT_LO_CE, PIN_LO_LE);
gpio_set(PORT_LO_LE, PIN_LO_LE);
gpio_clear(PORT_ATT_LE, PIN_ATT_LE);
/* Configure SSP1 Peripheral (to be moved later in SSP driver) */
scu_pinmux(SCU_SSP1_MISO, (SCU_SSP_IO | SCU_CONF_FUNCTION5));
scu_pinmux(SCU_SSP1_MOSI, (SCU_SSP_IO | SCU_CONF_FUNCTION5));
scu_pinmux(SCU_SSP1_SCK, (SCU_SSP_IO | SCU_CONF_FUNCTION1));
ssp1_set_mode_16bit();
}
static void gpio_setup(void)
{
/* Configure SCU Pin Mux as GPIO */
scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_BOOT0, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_BOOT1, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_BOOT2, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_BOOT3, SCU_GPIO_FAST);
/* Configure all GPIO as Input (safe state) */
GPIO0_DIR = 0;
GPIO1_DIR = 0;
GPIO2_DIR = 0;
GPIO3_DIR = 0;
GPIO4_DIR = 0;
GPIO5_DIR = 0;
GPIO6_DIR = 0;
GPIO7_DIR = 0;
/* Configure GPIO as Output */
GPIO2_DIR |= (PIN_LED1|PIN_LED2|PIN_LED3); /* Configure GPIO2[1/2/8] (P4_1/2 P6_12) as output. */
GPIO3_DIR |= PIN_EN1V8; /* GPIO3[6] on P6_10 as output. */
}
void Joystick_Init(void)
{
scu_pinmux(0xC ,9 , MD_PUP|MD_EZI|MD_ZI, FUNC4); // PC_9 as GPIO6[8]
scu_pinmux(0xC ,11, MD_PUP|MD_EZI|MD_ZI, FUNC4); // PC_11 as GPIO6[10]
scu_pinmux(0xC ,12, MD_PUP|MD_EZI|MD_ZI, FUNC4); // PC_12 as GPIO6[11]
scu_pinmux(0xC ,13, MD_PUP|MD_EZI|MD_ZI, FUNC4); // PC_13 as GPIO6[12]
scu_pinmux(0xC ,14, MD_PUP|MD_EZI|MD_ZI, FUNC4); // PC_14 as GPIO6[13]
GPIO_SetDir(JOYSTICK_UP_GPIO_PORT_NUM,(1<<JOYSTICK_UP_GPIO_BIT_NUM),0); // input
GPIO_SetDir(JOYSTICK_DOWN_GPIO_PORT_NUM,(1<<JOYSTICK_DOWN_GPIO_BIT_NUM),0); // input
GPIO_SetDir(JOYSTICK_LEFT_GPIO_PORT_NUM,(1<<JOYSTICK_LEFT_GPIO_BIT_NUM),0); // input
GPIO_SetDir(JOYSTICK_RIGHT_GPIO_PORT_NUM,(1<<JOYSTICK_RIGHT_GPIO_BIT_NUM),0); // input
GPIO_SetDir(JOYSTICK_PRESS_GPIO_PORT_NUM,(1<<JOYSTICK_PRESS_GPIO_BIT_NUM),0); // input
}
void mcp_init(void) {
/* P6_5(GPIO3[4]) = MCP_CS
* P6_9(GPIO3[5]) = MCP_UD */
/* Configure the pinmux */
scu_pinmux(SCU_MCP_CS, SCU_GPIO_NOPULL);
scu_pinmux(SCU_MCP_UD, SCU_GPIO_NOPULL);
CS_HIGH();
UD_HIGH();
/* Configures the pins as outputs */
GPIO3_DIR |= (BIT4 | BIT5);
mcp_val = 32;
}
int hw_pwm_pin_pulsewidth (int pin, uint32_t pulsewidth)
{
if (g_APinDescription[pin].alternate != PWM_MODE) {
return -1; // Not a PWM pin
}
// This is the output channel ({8,5,10} on TM-00-04). They're also
// used as event indicies for convenience,
int channel = g_APinDescription[pin].pwm_channel;
// Event N at counter match
LPC_SCT->EVENT[channel].CTRL = SCT_EVENT_CTRL_MATCH(channel) | SCT_EVENT_CTRL_MATCH_ONLY; // match register 1, match condition only, no state change
LPC_SCT->EVENT[channel].STATE = (1 << 0); // in state 0
LPC_SCT->MATCH[channel].U = pulsewidth;
LPC_SCT->MATCHREL[channel].U = pulsewidth;
LPC_SCT->OUT[channel].SET = (1 << 0); // Event 0 sets the output
LPC_SCT->OUT[channel].CLR = (1 << channel); // Event N clears the output
scu_pinmux(g_APinDescription[pin].port,
g_APinDescription[pin].pin,
PUP_DISABLE | PDN_DISABLE,
g_APinDescription[pin].alternate_func);
return 0;
}
int Spi::open()
{
// configure SGPIO bit so we can toggle slave select (SS)
LPC_SGPIO->OUT_MUX_CFG14 = 4;
scu_pinmux(0x1, 3, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC5); // SSP1_MISO
scu_pinmux(0x1, 4, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC5); // SSP1_MOSI
scu_pinmux(0x1, 19, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC1); // SSP1_SCK
// enable interrupt
NVIC_EnableIRQ(SSP1_IRQn);
// sync
sync();
return 0;
}
/******************************************************************************
*
* Description:
* Initialize the Joystick Driver
*
*****************************************************************************/
void joystick_init (void)
{
/* set to GPIO function for the 5 pins used with the joystick */
scu_pinmux( 0xa , 1 , GPIO_NOPULL , FUNC0 );//GPIO4[8]
scu_pinmux( 0xa , 2 , GPIO_NOPULL , FUNC0 );//GPIO4[9]
scu_pinmux( 0xa , 3 , GPIO_NOPULL , FUNC0 );//GPIO4[10]
scu_pinmux( 0x9 , 0 , GPIO_NOPULL , FUNC0 );//GPIO4[12]
scu_pinmux( 0x9 , 1 , GPIO_NOPULL , FUNC0 );//GPIO4[13]
/* set the pins as inputs */
GPIO_SetDir(GPIO_PORT, GPIO_PIN_LEFT, 0);
GPIO_SetDir(GPIO_PORT, GPIO_PIN_RIGHT, 0);
GPIO_SetDir(GPIO_PORT, GPIO_PIN_UP, 0);
GPIO_SetDir(GPIO_PORT, GPIO_PIN_DOWN, 0);
GPIO_SetDir(GPIO_PORT, GPIO_PIN_CENTER, 0);
}
void feldInit(){
scu_pinmux(BY_AMP_PIN,FUNC|BY_AMP_FUNC);
GPIO_DIR(BY_AMP_GPORT) |= BY_AMP_GPIN;
scu_pinmux(BY_AMP_N_PIN,FUNC|BY_AMP_N_FUNC);
GPIO_DIR(BY_AMP_N_GPORT) |= BY_AMP_N_GPIN;
SETUP(TX_AMP);
SETUP(RX_LNA);
scu_pinmux(TX_RX_PIN,FUNC|TX_RX_FUNC);
GPIO_DIR(TX_RX_GPORT) |= TX_RX_GPIN;
scu_pinmux(TX_RX_N_PIN,FUNC|TX_RX_N_FUNC);
GPIO_DIR(TX_RX_N_GPORT) |= TX_RX_N_GPIN;
scu_pinmux(BY_MIX_PIN,FUNC|BY_MIX_FUNC);
GPIO_DIR(BY_MIX_GPORT) |= BY_MIX_GPIN;
SETUP(BY_MIX_N);
scu_pinmux(LOW_HIGH_FILT_PIN,FUNC|LOW_HIGH_FILT_FUNC);
GPIO_DIR(LOW_HIGH_FILT_GPORT) |= LOW_HIGH_FILT_GPIN;
scu_pinmux(LOW_HIGH_FILT_N_PIN,FUNC|LOW_HIGH_FILT_N_FUNC);
GPIO_DIR(LOW_HIGH_FILT_N_GPORT) |= LOW_HIGH_FILT_N_GPIN;
scu_pinmux(CS_VCO_PIN,FUNC|CS_VCO_FUNC);
GPIO_DIR(CS_VCO_GPORT) |= CS_VCO_GPIN;
SETUP(MIXER_EN);
#define OFF(foo) gpio_clear(foo ## _GPORT,foo ## _GPIN);
#define ON(foo) gpio_set(foo ## _GPORT,foo ## _GPIN);
gpio_clear(BY_MIX_GPORT,BY_MIX_GPIN);
ON(BY_MIX_N);
gpio_clear(BY_AMP_GPORT,BY_AMP_GPIN);
gpio_set(BY_AMP_N_GPORT,BY_AMP_N_GPIN);
gpio_clear(TX_RX_GPORT,TX_RX_GPIN);
gpio_set(TX_RX_N_GPORT,TX_RX_N_GPIN);
gpio_clear(LOW_HIGH_FILT_GPORT,LOW_HIGH_FILT_GPIN);
gpio_set(LOW_HIGH_FILT_N_GPORT,LOW_HIGH_FILT_N_GPIN);
gpio_clear(TX_AMP_GPORT,TX_AMP_GPIN);
gpio_clear(RX_LNA_GPORT,RX_LNA_GPIN);
gpio_clear(CS_VCO_GPORT,CS_VCO_GPIN);
OFF(MIXER_EN);
};
int AnalogDig::close()
{
LPC_DAC->CTRL = 0; // disable dac output
// set back to MOSI (input)
scu_pinmux(0x1, 3, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC5); // SSP1_MOSI
return 0;
}
void bsp_init(void)
{
uint32_t Core_Clock;
/* Set up core clock */
CGU_Init();
/*Init Timer*/
Core_Clock = CGU_GetPCLKFrequency(CORE_CLOCK_ID);
SysTick_Config(Core_Clock/100); /* 10ms Timer */
/* Initialize the external memory controller */
vEMC_InitSRDRAM(SDRAM_BASE_ADDR, SDRAM_WIDTH, SDRAM_SIZE_MBITS, SDRAM_DATA_BUS_BITS, SDRAM_COL_ADDR_BITS);
scu_pinmux(0x9, 5, MD_PUP | MD_EZI, FUNC2); // P9_5 USB1_PWR_EN, USB1 VBus function
scu_pinmux(0x2, 5, MD_PLN | MD_EZI | MD_ZI, FUNC2); // P2_5 USB1_VBUS, MUST CONFIGURE THIS SIGNAL FOR USB1 NORMAL OPERATION
scu_pinmux(0x6, 3, MD_PUP | MD_EZI, FUNC1); // P6_3 USB0_PWR_EN, USB0 VBus function
}
/**
* Disable source clock pheripheral
*
* @param clock source
* @return none
*
* @brief Disable clock specific peripherals
*/
void DisableSourceClk(CLKSRC_Type src_clk)
{
uint32_t i=0;
const uint32_t PlainEnable = (0x2 << 3); /* no pull up, no pull down (plain) */
if(src_clk == SRC_OSC32K)
{
LPC_CREG->CREG0 &= ~((1<<1)|(1<<0)); // Disable 32 kHz & 1 kHz on osc32k
LPC_CREG->CREG0 |= ((1<<3)|(1<<2)); // osc32k in power down and in reset mode
}
if(src_clk == SRC_ENET_RX_CLK)scu_pinmux(0xC ,0 , PlainEnable, FUNC0); // nc on PC_0 func 0
if(src_clk == SRC_ENET_TX_CLK)scu_pinmux(0x1 ,19, PlainEnable, FUNC2); // nc on P1_19 func 2
if(src_clk == SRC_XTAL)
{
LPC_CGU->XTAL_OSC_CTRL = (1<<0); // Disable Xo50M
for(i=0;i<0xFFFF;i++);
}
}
//====================================================================================
void main()
{
volatile uint32_t i;
uint32_t timer_mark;
//while(1);
SystemInit();
CGU_Init();
scu_pinmux(0xE ,7 , MD_PDN, FUNC4); // P8.1 : USB0_IND1 LED
GPIO_SetDir(LED1_PORT,(1<<LED1_BIT), 1);
GPIO_ClearValue(LED1_PORT,(1<<LED1_BIT));
// M3Frequency is automatically set when SetClock(BASE_M3_CLK... was called.
SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE)/1000); // Generate interrupt @ 1000 Hz
/*for(;;)
{
GPIO_ClearValue(LED1_PORT,(1<<LED1_BIT));
for(i = 0; i < 200000; i++);
GPIO_SetValue(LED1_PORT,(1<<LED1_BIT));
for(i = 0; i < 200000; i++);
}
while (1)
{ // Loop forever
timer_mark = msTicks; // Take timer snapshot
while(msTicks < (timer_mark + 100)); // Wait until 100ms has passed
GPIO_ClearValue(LED1_PORT,(1<<LED1_BIT)); // Turn the LED off
timer_mark = msTicks; // Take timer snapshot
while(msTicks < (timer_mark + 100)); // Wait until 100ms has passed
GPIO_SetValue(LED1_PORT,(1<<LED1_BIT)); // Turn the LED on
}*/
// Init on-board LED as output
//GPIO1->FIODIR |= 1 << 18;
// Init SysTick
//SysTick_Config(SystemFrequency / 1000); // Generate interrupt every 1 ms
while (1)
{ // Loop forever
msec = 100;
while(msec);
GPIO_ClearValue(LED1_PORT,(1<<LED1_BIT));
msec = 100;
while(msec);
GPIO_SetValue(LED1_PORT,(1<<LED1_BIT));
}
}
int I2c::open()
{
// make all pins on the I/O connector high impedance so we can just daisy chain the whole connector together
scu_pinmux(0x1, 3, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC0);
scu_pinmux(0x2, 1, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC4);
scu_pinmux(0x2, 1, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC4);
scu_pinmux(0x1, 4, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC0);
scu_pinmux(0x2, 0, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC4);
// turn off driver for SS signal so we can wire-or them together
LPC_SGPIO->GPIO_OENREG = 0;
m_pad0 = false;
NVIC_EnableIRQ(I2C0_IRQn);
startSlave();
return 0;
}
/**
* Enable source clock pheripheral
*
* @param clock source
* @return none
*
* @brief Enable clock specific peripherals
*/
void EnableSourceClk(CLKSRC_Type src_clk)
{
uint32_t i=0;
const uint32_t PlainEnable = (0x2 << 3); /* no pull up, no pull down (plain) */
if(src_clk == SRC_OSC32K)
{
LPC_CREG->CREG0 &= ~((1<<3)|(1<<2)); // Active mode of 32 KHz osc and release reset
LPC_CREG->CREG0 |= (1<<1)|(1<<0); // Enable 32 kHz & 1 kHz on osc32k
}
if(src_clk == SRC_ENET_RX_CLK)scu_pinmux(0xC ,0 , PlainEnable, FUNC3); // enet_rx_clk on PC_0 func 3
if(src_clk == SRC_ENET_TX_CLK)scu_pinmux(0x1 ,19, PlainEnable, FUNC0); // enet_tx_clk on P1_19 func 0
if(src_clk == SRC_XTAL && (LPC_CGU->XTAL_OSC_CTRL&0x1))
{
LPC_CGU->XTAL_OSC_CTRL &= ~(1<<0); // Enable Xo50M
for(i=0;i<0xFFFF;i++);
}
}
int AnalogDig::open()
{
// set pin 1 on I/O connector to output (Use SGPIO because GPIO interferes with pixel sync)
scu_pinmux(0x1, 3, (MD_PLN | MD_EZI | MD_ZI | MD_EHS), FUNC2); //SGPIO10
LPC_SGPIO->OUT_MUX_CFG10 = 4;
LPC_SGPIO->GPIO_OENREG = 1<<10;
LPC_DAC->CTRL = (1<<3); // enable dac output
return 0;
}
void bsp_init(void)
{
uint32_t Core_Clock;
/* Set up core clock */
CGU_Init();
/* Initialize the external memory controller */
vEMC_InitSRDRAM(SDRAM_BASE_ADDR, SDRAM_WIDTH, SDRAM_SIZE_MBITS, SDRAM_DATA_BUS_BITS, SDRAM_COL_ADDR_BITS);
/* Turn on 5V USB VBUS TODO Should be Host-only */
scu_pinmux(0x9, 5, MD_PUP | MD_EZI, FUNC2); // P9_5 USB1_VBUS_EN, USB1 VBus function
scu_pinmux(0x2, 5, MD_PLN | MD_EZI | MD_ZI, FUNC2); // P2_5 USB1_VBUS, MUST CONFIGURE THIS SIGNAL FOR USB1 NORMAL OPERATION
#if (BOARD == BOARD_HITEX_A4)
scu_pinmux(0x6, 3, MD_PUP | MD_EZI, FUNC1); // P6_3 USB0_PWR_EN, USB0 VBus function
#else
scu_pinmux(0x2, 3, MD_PUP | MD_EZI, FUNC7); // USB0 VBus function
#endif
}
//# MENU spectrum
void spectrum_menu()
{
lcdClear();
lcdDisplay();
getInputWaitRelease();
// RF initialization from ppack.c:
dac_init(false);
cpu_clock_set(204); // WARP SPEED! :-)
hackrf_clock_init();
rf_path_pin_setup();
/* Configure external clock in */
scu_pinmux(SCU_PINMUX_GP_CLKIN, SCU_CLK_IN | SCU_CONF_FUNCTION1);
sgpio_configure_pin_functions();
ON(EN_VDD);
ON(EN_1V8);
OFF(MIC_AMP_DIS);
delayms(500); // doesn't work without
cpu_clock_set(204); // WARP SPEED! :-)
si5351_init();
portapack_init();
while(1)
{
switch(getInput())
{
case BTN_UP:
displayMode=MODE_WATERFALL;
break;
case BTN_DOWN:
displayMode=MODE_SPECTRUM;
break;
case BTN_LEFT:
freq -= 2000000;
ssp1_set_mode_max2837();
set_freq(freq);
break;
case BTN_RIGHT:
freq += 2000000;
ssp1_set_mode_max2837();
set_freq(freq);
break;
case BTN_ENTER:
//FIXME: unset the callback, reset the clockspeed, tidy up
nvic_disable_irq(NVIC_DMA_IRQ);
OFF(EN_VDD);
OFF(EN_1V8);
ON(MIC_AMP_DIS);
systick_set_clocksource(0);
systick_set_reload(12e6/SYSTICKSPEED/1000);
return;
}
}
}
void hw_digital_startup (uint8_t ulPin) {
scu_pinmux(g_APinDescription[ulPin].port,
g_APinDescription[ulPin].pin,
PUP_ENABLE | PDN_DISABLE | FILTER_ENABLE,
g_APinDescription[ulPin].func);
// set the direction
GPIO_SetDir(g_APinDescription[ulPin].portNum,
1 << (g_APinDescription[ulPin].bitNum),
GPIO_INPUT);
}
//# MENU Apack
void ppack_menu() {
lcdClear();
lcdPrintln("PPack port");
lcdPrintln("");
lcdPrintln("up=enable");
lcdDisplay();
dac_init(false);
cpu_clock_set(204); // WARP SPEED! :-)
hackrf_clock_init();
rf_path_pin_setup();
/* Configure external clock in */
scu_pinmux(SCU_PINMUX_GP_CLKIN, SCU_CLK_IN | SCU_CONF_FUNCTION1);
sgpio_configure_pin_functions();
ON(EN_VDD);
ON(EN_1V8);
OFF(MIC_AMP_DIS);
complex_s8_t * samples;
while(1){
switch(getInputRaw()){
case BTN_UP:
// ON(MIXER_EN); // hackrf does this
cpu_clock_set(204); // WARP SPEED! :-)
si5351_init();
portapack_init();
getInputWaitRelease();
break;
case BTN_DOWN:
lcdPrintln("file");
writeFile("samples.8", (char*)0x20000000,(uintptr_t)s8ram-0x20000000);
break;
case BTN_LEFT:
lcdPrintln("reset");
s8ram=(complex_s8_t*)0x20000000;
break;
case BTN_RIGHT:
break;
case BTN_ENTER:
return;
};
TOGGLE(LED2);
delayms(40);
lcdPrint(IntToStr((uintptr_t)s8ram,8,F_HEX));
lcdPrint(" ");
lcdPrintln(IntToStr(sctr,7,F_LONG));
lcdDisplay();
};
};
int main(void)
{
SystemInit();
CGU_Init();
// Configure GPIO pins connected to LEDs as outputs
scu_pinmux(D3_SCU_PORT, D3_SCU_PIN, MD_BUK, FUNC4);
GPIO_SetDir(D3_GPIO_PORT, D3_GPIO_MASK, 1);
scu_pinmux(D4_SCU_PORT, D4_SCU_PIN, MD_BUK, FUNC4);
GPIO_SetDir(D4_GPIO_PORT, D4_GPIO_MASK, 1);
scu_pinmux(D5_SCU_PORT, D5_SCU_PIN, MD_BUK, FUNC4);
GPIO_SetDir(D5_GPIO_PORT, D5_GPIO_MASK, 1);
scu_pinmux(D6_SCU_PORT, D6_SCU_PIN, MD_BUK, FUNC4);
GPIO_SetDir(D6_GPIO_PORT, D6_GPIO_MASK, 1);
// Configure GPIO pins connected to push buttons as inputs
scu_pinmux(S1_SCU_PORT, S1_SCU_PIN, MD_BUK | MD_EZI, FUNC4);
GPIO_SetDir(S1_GPIO_PORT, S1_GPIO_MASK, 0);
scu_pinmux(S2_SCU_PORT, S2_SCU_PIN, MD_BUK | MD_EZI, FUNC4);
GPIO_SetDir(S2_GPIO_PORT, S2_GPIO_MASK, 0);
scu_pinmux(S3_SCU_PORT, S3_SCU_PIN, MD_BUK | MD_EZI, FUNC4);
GPIO_SetDir(S3_GPIO_PORT, S3_GPIO_MASK, 0);
scu_pinmux(S4_SCU_PORT, S4_SCU_PIN, MD_BUK | MD_EZI, FUNC4);
GPIO_SetDir(S4_GPIO_PORT, S4_GPIO_MASK, 0);
while(1)
{
if (GPIO_ReadValue(S1_GPIO_PORT) & S1_GPIO_MASK)
GPIO_ClearValue(D3_GPIO_PORT, D3_GPIO_MASK);
else
GPIO_SetValue(D3_GPIO_PORT, D3_GPIO_MASK);
if (GPIO_ReadValue(S2_GPIO_PORT) & S2_GPIO_MASK)
GPIO_ClearValue(D4_GPIO_PORT, D4_GPIO_MASK);
else
GPIO_SetValue(D4_GPIO_PORT, D4_GPIO_MASK);
if (GPIO_ReadValue(S3_GPIO_PORT) & S3_GPIO_MASK)
GPIO_ClearValue(D5_GPIO_PORT, D5_GPIO_MASK);
else
GPIO_SetValue(D5_GPIO_PORT, D5_GPIO_MASK);
if (GPIO_ReadValue(S4_GPIO_PORT) & S4_GPIO_MASK)
GPIO_ClearValue(D6_GPIO_PORT, D6_GPIO_MASK);
else
GPIO_SetValue(D6_GPIO_PORT, D6_GPIO_MASK);
}
}
void pin_setup(void) {
/* Release CPLD JTAG pins */
scu_pinmux(SCU_PINMUX_TDO, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
scu_pinmux(SCU_PINMUX_TCK, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_TMS, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
scu_pinmux(SCU_PINMUX_TDI, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
gpio_input(&gpio_tdo);
gpio_input(&gpio_tck);
gpio_input(&gpio_tms);
gpio_input(&gpio_tdi);
/* Configure SCU Pin Mux as GPIO */
scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_NOPULL);
scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_NOPULL);
scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_NOPULL);
scu_pinmux(SCU_PINMUX_LED4, SCU_GPIO_NOPULL);
/* Configure all GPIO as Input (safe state) */
gpio_init();
gpio_output(&gpio_led[0]);
gpio_output(&gpio_led[1]);
gpio_output(&gpio_led[2]);
gpio_output(&gpio_led[3]);
/* enable input on SCL and SDA pins */
SCU_SFSI2C0 = SCU_I2C0_NOMINAL;
/* Configure external clock in */
scu_pinmux(CLK0, SCU_CONF_FUNCTION1 | SCU_CLK_OUT);
/* Enable USB1 controller */
SCU_SFSUSB = 0x2;
scu_pinmux(SCU_PINMUX_USB1_EN, SCU_CONF_FUNCTION0);
gpio_output(&gpio_usb1_en);
gpio_set(&gpio_usb1_en);
}