unsigned char
i2c_inbyte(void)
{
unsigned char aBitByte = 0;
int i;
/* Switch off I2C to get bit */
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
/* Get bit */
aBitByte |= i2c_getbit();
/* Enable I2C */
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
for (i = 1; i < 8; i++) {
aBitByte <<= 1;
/* Clock pulse */
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
i2c_clk(I2C_CLOCK_LOW);
i2c_delay(CLOCK_LOW_TIME);
/* Switch off I2C to get bit */
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
/* Get bit */
aBitByte |= i2c_getbit();
/* Enable I2C */
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
}
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
/*
* we leave the clock low, getbyte is usually followed
* by sendack/nack, they assume the clock to be low
*/
i2c_clk(I2C_CLOCK_LOW);
return aBitByte;
}
void read_coefficients() {
int16_t a0coeff;
int16_t b1coeff;
int16_t b2coeff;
int16_t c12coeff;
BAR_POWER_UP();
i2c_enable();
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((READ_COEFFICIENTS_COMMAND));
i2c_start();
i2c_write((DEVICE_ADDRESS | READ));
a0coeff = (( (uint16_t) i2c_read(1) << 8) | i2c_read(1));
b1coeff = (( (uint16_t) i2c_read(1) << 8) | i2c_read(1));
b2coeff = (( (uint16_t) i2c_read(1) << 8) | i2c_read(1));
c12coeff = (( (uint16_t) (i2c_read(1) << 8) | i2c_read(0))) >> 2;
_mpl115a2_a0 = (float)a0coeff / 8;
_mpl115a2_b1 = (float)b1coeff / 8192;
_mpl115a2_b2 = (float)b2coeff / 16384;
_mpl115a2_c12 = (float)c12coeff;
_mpl115a2_c12 /= 4194304.0;
i2c_stop();
i2c_disable();
BAR_POWER_DOWN();
}
void
i2c_disable_all()
{
int i;
for(i = 0; i < I2C_N_PORTS; i++)
i2c_disable(i);
}
void mma7660_init(void)
{
int32_t val;
i2c_enable();
buf[0] = INTSU;
buf[1] = 0x00;
i2c_transmitinit(ADDR, 2, buf);
while(!i2c_transferred()) ;
buf[0] = MODE;
buf[1] = 0x01;
i2c_transmitinit(ADDR, 2, buf);
while(!i2c_transferred()) ;
buf[0] = SR;
buf[1] = 0x1F;
i2c_transmitinit(ADDR, 2, buf);
while(!i2c_transferred()) ;
buf[0] = PDET;
buf[1] = 0xFF;
i2c_transmitinit(ADDR, 2, buf);
while(!i2c_transferred()) ;
buf[0] = PD;
buf[1] = 0xFF;
i2c_transmitinit(ADDR, 2, buf);
while(!i2c_transferred()) ;
i2c_disable();
}
void TwoWire::setClock(uint32_t frequencyHz)
{
if (frequencyHz<=40000)
{
switch(frequencyHz)
{
case 1000000:
dev_flags &= ~(I2C_FAST_MODE);
dev_flags |= I2C_FAST_MODE_PLUS;// set FAST_MODE bit
break;
case 400000:
dev_flags &= ~(I2C_FAST_MODE_PLUS);
dev_flags |= I2C_FAST_MODE;// set FULL_SPEED bit
break;
case 100000:
default:
dev_flags &= ~(I2C_FAST_MODE | I2C_FAST_MODE_PLUS);// clear FAST_MODE and FULL_SPEED bits
break;
}
if (sel_hard->regs->CR1 & I2C_CR1_PE){
i2c_disable(sel_hard);
i2c_master_enable(sel_hard, dev_flags);
}
}
else
{
uint32 hz = (frequencyHz > 1200000) ? 1200000 : frequencyHz;
i2c_overclock(sel_hard, hz);
}
}
uint8 HardWire::process() {
int8 res = i2c_master_xfer(sel_hard, &itc_msg, 1, 0);
if (res != 0) {
i2c_disable(sel_hard);
i2c_master_enable(sel_hard, (I2C_BUS_RESET | dev_flags));
}
return 0;
}
unsigned char
i2c_inbyte(void)
{
unsigned char aBitByte = 0;
int i;
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
aBitByte |= i2c_getbit();
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
for (i = 1; i < 8; i++) {
aBitByte <<= 1;
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
i2c_clk(I2C_CLOCK_LOW);
i2c_delay(CLOCK_LOW_TIME);
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
aBitByte |= i2c_getbit();
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
}
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
i2c_clk(I2C_CLOCK_LOW);
return aBitByte;
}
/**
* \brief Initializes the requested I<SUP>2</SUP>C hardware module
*
* Initializes the I<SUP>2</SUP>C slave device requested and sets the provided
* software module struct. Run this function before any further use of
* the driver.
*
* \param[out] module Pointer to software module struct
* \param[in] config Pointer to the configuration struct
*
* \return Status of initialization.
* \retval STATUS_OK Module initiated correctly
* \retval STATUS_ERR_INVALID_ARG Invalid argument in module or config structure.
* \retval STATUS_ERR_ALREADY_INITIALIZED If the Pinmux is not a valid one for I2C signals.
*
*/
enum status_code i2c_slave_init(
struct i2c_slave_module *const module,
I2c *const hw,
const struct i2c_slave_config *const config)
{
/* Sanity check */
Assert(module);
Assert(module->hw);
Assert(config);
module->hw = hw;
/* Sanity check arguments. */
if ((module == NULL) || (config == NULL))
return STATUS_ERR_INVALID_ARG;
i2c_disable(module->hw);
if (module->hw == I2C0)
system_peripheral_reset(PERIPHERAL_I2C0_CORE);
else if (module->hw == I2C1) {
system_peripheral_reset(PERIPHERAL_I2C1_CORE);
} else {
return STATUS_ERR_INVALID_ARG;
}
#if I2C_SLAVE_CALLBACK_MODE == true
/* Initialize values in module. */
module->registered_callback = 0;
module->enabled_callback = 0;
module->buffer_length = 0;
module->buffer_remaining = 0;
module->buffer = NULL;
module->status = STATUS_OK;
_i2c_instances = (void*)module;
if (module->hw == I2C0) {
system_register_isr(RAM_ISR_TABLE_I2CRX0_INDEX, (uint32_t)_i2c_slave_rx_isr_handler);
system_register_isr(RAM_ISR_TABLE_I2CTX0_INDEX, (uint32_t)_i2c_slave_tx_isr_handler);
NVIC_EnableIRQ(I2C0_RX_IRQn);
NVIC_EnableIRQ(I2C0_TX_IRQn);
} else if (module->hw == I2C1) {
system_register_isr(RAM_ISR_TABLE_I2CRX1_INDEX, (uint32_t)_i2c_slave_rx_isr_handler);
system_register_isr(RAM_ISR_TABLE_I2CTX1_INDEX, (uint32_t)_i2c_slave_tx_isr_handler);
NVIC_EnableIRQ(I2C1_RX_IRQn);
NVIC_EnableIRQ(I2C1_TX_IRQn);
}
#endif
/* Set config and return status. */
if(_i2c_slave_set_config(module, config) != STATUS_OK)
return STATUS_ERR_NOT_INITIALIZED;
return STATUS_OK;
}
unsigned char
i2c_inbyte(void)
{
unsigned char aBitByte = 0;
int i;
/* Switch off I2C to get bit */
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
/* Get bit */
aBitByte |= i2c_getbit();
/* Enable I2C */
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
for (i = 1; i < 8; i++) {
aBitByte <<= 1;
/* Clock pulse */
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
i2c_clk(I2C_CLOCK_LOW);
i2c_delay(CLOCK_LOW_TIME);
/* Switch off I2C to get bit */
i2c_disable();
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/2);
/* Get bit */
aBitByte |= i2c_getbit();
/* Enable I2C */
i2c_enable();
i2c_delay(CLOCK_LOW_TIME/2);
}
i2c_clk(I2C_CLOCK_HIGH);
i2c_delay(CLOCK_HIGH_TIME);
return aBitByte;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, int value)
{
if(type != SENSORS_ACTIVE) {
return SHT25_ERROR;
}
if(value) {
i2c_enable();
} else {
i2c_disable();
}
enabled = value;
return 0;
}
/*#---------------------------------------------------------------------------
*#
*# FUNCTION NAME: i2c_inbyte
*#
*# DESCRIPTION : read a byte from the i2c interface
*#
*# PARAMETERS : none
*#
*# RETURN : returns the byte read from the I2C device
*#
*#---------------------------------------------------------------------------
*/
unsigned char i2c_inbyte( void )
{
#ifdef CONFIG_ETRAX_I2C_SLAVE_DELAY
int n=MAXSCLRETRIES;
#endif
unsigned char aBitByte = 0;
unsigned char Mask = 0x80; /* !!! ATTENTION: do NOT use 'char', otherwise shifting is wrong!!! */
/* Must be UNSIGNED, not SIGNED! */
/* Switch off I2C to get bit */
i2c_disable();
i2c_sda_dir_in();
while ( Mask != 0 )
{
#ifdef CONFIG_ETRAX_I2C_SLAVE_DELAY
i2c_scl_dir_in();
for( ; n>0; n-- )
{
if( i2c_scl_is_high() )
break;
i2c_delay( THIGH );
}
i2c_set_scl( SCL_HIGH );
i2c_scl_dir_out();
#else
i2c_set_scl( SCL_HIGH );
#endif
i2c_delay( THIGH );
if ( i2c_sda_is_high() )
{
aBitByte |= Mask;
}
i2c_set_scl( SCL_LOW );
Mask >>= 1;
i2c_delay( TLOW );
}
/*
* we leave the clock low, getbyte is usually followed
* by sendack/nack, they assume the clock to be low
*/
return ( aBitByte );
} /* i2c_inbyte */
/** Configure I2C address.
* @param obj The I2C object
* @param idx Currently not used
* @param address The address to be set
* @param mask Currently not used
*/
void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
{
struct i2c_s *obj_s = I2C_S(obj);
/* disable I2C peripheral */
i2c_disable(obj_s->i2c);
/* I2C clock configure */
i2c_clock_config(obj_s->i2c, 100000, I2C_DTCY_2);
/* I2C address configure */
i2c_mode_addr_config(obj_s->i2c, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, address);
/* enable I2C0 */
i2c_enable(obj_s->i2c);
/* enable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
}
uint8_t TwoWire::process() {
int8 res = i2c_master_xfer(sel_hard, itc_msg, itc_msg_count, 0);
if (res == I2C_ERROR_PROTOCOL) {
if (sel_hard->error_flags & I2C_SR1_AF) { /* NACK */
res = (sel_hard->error_flags & I2C_SR1_ADDR ? ENACKADDR :
ENACKTRNS);
} else if (sel_hard->error_flags & I2C_SR1_OVR) { /* Over/Underrun */
res = EDATA;
} else { /* Bus or Arbitration error */
res = EOTHER;
}
i2c_disable(sel_hard);
i2c_master_enable(sel_hard, (I2C_BUS_RESET | dev_flags));
}
return res;
}
void mma7660_acc(int *x, int *y, int *z)
{
int tmp;
i2c_enable();
/* Read data */
buf[0] = XOUT;
i2c_transmitinit(ADDR, 1, buf);
while(!i2c_transferred()) ;
i2c_receiveinit(ADDR, 3, buf);
while(!i2c_transferred()) ;
i2c_disable();
tmp = (signed char)((buf[0] & 0x20) ? (buf[0] | 0xC0) : (buf[0] & 0x3F));
*x = (tmp*150)/32;
tmp = (signed char)((buf[1] & 0x20) ? (buf[1] | 0xC0) : (buf[1] & 0x3F));
*y = (tmp*150)/32;
tmp = (signed char)((buf[2] & 0x20) ? (buf[2] | 0xC0) : (buf[2] & 0x3F));
*z = (tmp*150)/32;
}
int
i2c_getack(void)
{
int ack = 1;
i2c_dir_out();
i2c_data(I2C_DATA_HIGH);
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/4);
i2c_clk(I2C_CLOCK_HIGH);
#if 0
i2c_clk(1);
i2c_data(1);
i2c_data(1);
i2c_disable();
i2c_dir_in();
#endif
i2c_delay(CLOCK_HIGH_TIME/2);
if (i2c_getbit())
ack = 0;
i2c_delay(CLOCK_HIGH_TIME/2);
if (!ack) {
if (!i2c_getbit())
ack = 1;
i2c_delay(CLOCK_HIGH_TIME/2);
}
#if 0
i2c_data(I2C_DATA_LOW);
i2c_enable();
i2c_dir_out();
#endif
i2c_clk(I2C_CLOCK_LOW);
i2c_delay(CLOCK_HIGH_TIME/4);
i2c_dir_out();
i2c_data(I2C_DATA_HIGH);
i2c_delay(CLOCK_LOW_TIME/2);
return ack;
}
uint16_t read_temperature_barometer_MPL115A2(){
uint16_t ret = 0;
uint8_t res = 0;
float t;
BAR_POWER_UP();
i2c_enable();
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((START_CONVERSION_COMMAND));
i2c_write((0x01)); // trovato su un forum di uno spagnolo
i2c_stop();
//delay 1.6 ms
__delay_cycles(1662500);
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((READ_TEMPERATURE_MSB_COMMAND));
i2c_start();
i2c_write((DEVICE_ADDRESS | READ));
res = i2c_read(1);
//printf("temp MSB %x\n", res);
ret = (res << 8);
res = i2c_read(0);
ret += res;
ret = ret >> 6;
i2c_stop();
i2c_disable();
BAR_POWER_DOWN();
t = ((float) ret - 498.0F) / -5.35F +25.0F; // C
ret = (uint16_t)(t*100);
return ret;
}
static void i2c_init_as_master(unsigned char address)
{
// __gpio_as_i2c();
if(i2c_disable())
printk("i2c not disable\n");
// REG_I2C_CTRL = 0x43;
REG_I2C_CTRL = 0x45;
REG_I2C_TAR = address; /* slave id needed write only once */
REG_I2C_INTM = 0;
REG_I2C_FHCNT =49;
REG_I2C_FLCNT =62;
// REG_I2C_SHCNT =0xc80; // 6k
// REG_I2C_SLCNT =0xeb0; // 6k
// REG_I2C_SHCNT =0x640; // 12k
// REG_I2C_SLCNT =0x758; // 12k
// REG_I2C_SHCNT =0x320; //26k
// REG_I2C_SLCNT =0x3ac; //26k
// REG_I2C_SHCNT =0x12c; //71k
// REG_I2C_SLCNT =0x160; //71k
// REG_I2C_SHCNT =0xc8;
// REG_I2C_SLCNT =0xe8;
REG_I2C_ENB = 1; /*enable i2c*/
}
/** Configure the I2C frequency
*
* @param obj The I2C object
* @param hz Frequency in Hz
*/
void i2c_frequency(i2c_t *obj, int hz)
{
int timeout;
struct i2c_s *obj_s = I2C_S(obj);
/* wait until I2C_FLAG_I2CBSY flag is reset */
timeout = BUSY_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_I2CBSY)) && (--timeout != 0));
/* reset to clear pending flags */
i2c_hw_reset(obj);
/* disable I2C peripheral */
i2c_disable(obj_s->i2c);
/* configure I2C frequence */
i2c_clock_config(obj_s->i2c, hz, I2C_DTCY_2);
/* configure I2C address mode and slave address */
i2c_mode_addr_config(obj_s->i2c, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0);
/* enable I2C peripheral */
i2c_enable(obj_s->i2c);
}
int
i2c_getack(void)
{
int ack = 1;
/*
* enable output
*/
i2c_dir_out();
/*
* Release data bus by setting
* data high
*/
i2c_data(I2C_DATA_HIGH);
/*
* enable input
*/
i2c_dir_in();
i2c_delay(CLOCK_HIGH_TIME/4);
/*
* generate ACK clock pulse
*/
i2c_clk(I2C_CLOCK_HIGH);
/*
* Use PORT PB instead of I2C
* for input. (I2C not working)
*/
i2c_clk(1);
i2c_data(1);
/*
* switch off I2C
*/
i2c_data(1);
i2c_disable();
i2c_dir_in();
/*
* now wait for ack
*/
i2c_delay(CLOCK_HIGH_TIME/2);
/*
* check for ack
*/
if(i2c_getbit())
ack = 0;
i2c_delay(CLOCK_HIGH_TIME/2);
if(!ack){
if(!i2c_getbit()) /* receiver pulld SDA low */
ack = 1;
i2c_delay(CLOCK_HIGH_TIME/2);
}
/*
* our clock is high now, make sure data is low
* before we enable our output. If we keep data high
* and enable output, we would generate a stop condition.
*/
i2c_data(I2C_DATA_LOW);
/*
* end clock pulse
*/
i2c_enable();
i2c_dir_out();
i2c_clk(I2C_CLOCK_LOW);
i2c_delay(CLOCK_HIGH_TIME/4);
/*
* enable output
*/
i2c_dir_out();
/*
* remove ACK clock pulse
*/
i2c_data(I2C_DATA_HIGH);
i2c_delay(CLOCK_LOW_TIME/2);
return ack;
}
TwoWire::~TwoWire() {
i2c_disable(sel_hard);
sel_hard = 0;
}
/*
* Terminate I2C communication on the specified port
*/
void term_nxtcam(U8 port_id)
{
i2c_disable(port_id);
}
/**
* @brief Initialize an I2C device as slave (and master)
* @param dev Device to enable
* @param flags Bitwise or of the following I2C options:
* I2C_FAST_MODE: 400 khz operation,
* I2C_DUTY_16_9: 16/9 Tlow/Thigh duty cycle (only applicable for
* fast mode),
* I2C_BUS_RESET: Reset the bus and clock out any hung slaves on
* initialization,
* I2C_10BIT_ADDRESSING: Enable 10-bit addressing,
* I2C_REMAP: (deprecated, STM32F1 only) Remap I2C1 to SCL/PB8
* SDA/PB9.
* I2C_SLAVE_DUAL_ADDRESS: Slave can respond on 2 i2C addresses
* I2C_SLAVE_GENERAL_CALL: SLA+W broadcast to all general call
* listeners on bus. Addr 0x00
* I2C_SLAVE_USE_RX_BUFFER: Use a buffer to receive the incoming
* data. Callback at end of recv
* I2C_SLAVE_USE_TX_BUFFER: Use a buffer to transmit data.
* Callback will be called before tx
*/
void i2c_slave_enable(i2c_dev *dev, uint32 flags) {
i2c_disable(dev);
i2c_master_enable(dev, dev->config_flags | flags);
}
void ClearExternalIO(void) {
int i;
// GS I2C Start
i2c_disable();
i2c_slave_disable();
// GS I2C End
if (SerialConsole != 1) SerialClose(1);
if (SerialConsole != 2) SerialClose(2);
if (SerialConsole != 3) SerialClose(3);
if (SerialConsole != 4) SerialClose(4);
// stop the sound
SoundPlay = 0;
CloseTimer2();
#ifdef OLIMEX
CloseOC1();
#else
CloseOC2();
#endif
inttbl[NBRPINS + 2].intp = NULL; // disable the tick interrupt
for (i = 1; i < NBRPINS + 1; i++) {
inttbl[i].intp = NULL; // disable all interrupts
#ifdef OLIMEX
#ifdef OLIMEX_DUINOMITE_EMEGA
if (ExtCurrentConfig[i] != EXT_CONSOLE_RESERVED && i != 35 ) { // don't reset the serial console
#else
if (ExtCurrentConfig[i] != EXT_CONSOLE_RESERVED && i != 21 ) { // don't reset the serial console
#endif
#else
if (ExtCurrentConfig[i] != EXT_CONSOLE_RESERVED) { // don't reset the serial console
#endif
ExtCfg(i, EXT_NOT_CONFIG); // all set to unconfigured
ExtSet(i, 0); // all outputs (when set) default to low
}
}
InterruptReturn = NULL;
}
/****************************************************************************************************************************
Initialise the I/O pins
*****************************************************************************************************************************/
void initExtIO(void) {
int i;
for (i = 1; i < NBRPINS + 1; i++) {
ExtCfg(i, EXT_NOT_CONFIG); // all set to unconfigured
ExtSet(i, 0); // all outputs (when set) default to low
}
#ifndef OLIMEX
CNCONbits.ON = 1; // turn on Change Notification module
CNPUEbits.CNPUE1 = 1; // turn on the pullup for pin C13 also called CN1
#endif
ExtCurrentConfig[0] = EXT_DIG_IN; // and show that we can read from it
P_LED_TRIS = P_OUTPUT; // make the LED pin an output
ExtSet(0, 0); // and turn it off
#ifdef OLIMEX
#ifdef OLIMEX_DUINOMITE_EMEGA
ExtCurrentConfig[35] = EXT_ANA_IN;
#else
ExtCurrentConfig[21] = EXT_ANA_IN;
#endif
#endif
// setup the analog (ADC) function
AD1CON1 = 0x00E0; // automatic conversion after sampling
AD1CSSL = 0; // no scanning required
AD1CON2 = 0; // use MUXA, use AVdd & AVss as Vref+/-
AD1CON3 = 0x203; //0x1F3F; // Tsamp = 32 x Tad;
AD1CON1bits.ADON = 1; // turn on the ADC
}
/****************************************************************************************************************************
Configure an I/O pin
Returns true if all is OK
*****************************************************************************************************************************/
int ExtCfg(int pin, int cfg) {
int tris, ana, oc;
if (pin < 0 || pin > NBRPINS) return false; // initial sanity check
// make sure that interrupts are disabled in case we are changing from an interrupt input
#ifdef OLIMEX
// if (pin == 5) ConfigINT2(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
// if (pin == 6) ConfigINT3(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
#ifdef OLIMEX_DUINOMITE_EMEGA
#else
if (pin == 7) ConfigINT4(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
#endif
#else
if (pin == 11) ConfigINT1(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
if (pin == 12) ConfigINT2(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
if (pin == 13) ConfigINT3(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
if (pin == 14) ConfigINT4(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_DISABLE);
#endif
inttbl[pin].intp = NULL; // also disable a software interrupt on this pin
switch (cfg) {
case EXT_NOT_CONFIG:
// #ifdef OLIMEX
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1;}
// if (pin == 11) {P_E11_TRIS = 1; P_E11_OC = 1;}
// if (pin == 12) {P_E12_TRIS = 1; P_E12_OC = 1;}
// #endif
tris = 1; ana = 1; oc = 1;
break;
case EXT_ANA_IN:
// #ifdef OLIMEX
if (pin > 6 && pin < 19) return false;
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1;}
// #else
// if (pin > 10) return false;
// #endif
tris = 1; ana = 0; oc = 1;
break;
case EXT_FREQ_IN: // same as counting, so fall through
case EXT_PER_IN: // same as counting, so fall through
case EXT_CNT_IN:
// #ifdef OLIMEX
// #else
// if (pin == 11) {
// INT1Count = INT1Value = 0;
// ConfigINT1(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_ENABLE);
// tris = 1; ana = 1; oc = 1;
// break;
// }
// #endif
// #ifdef OLIMEX
// if (pin == 5) {
// P_E5_TRIS = 1;
// P_E5_OC = 1;
// #else
// if (pin == 12) {
// #endif
// INT2Count = INT2Value = 0;
// ConfigINT2(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_ENABLE);
// tris = 1; ana = 1; oc = 1;
// break;
// }
// #ifdef OLIMEX
// if (pin == 6) {
// P_E6_TRIS = 1;
// P_E6_OC = 1;
// #else
// if (pin == 13) {
// #endif
// INT3Count = INT3Value = 0;
// ConfigINT3(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_ENABLE);
// tris = 1; ana = 1; oc = 1;
// break;
// }
#ifdef OLIMEX_DUINOMITE_EMEGA
break;
#else
#ifdef OLIMEX
if (pin == 7) {
#else
if (pin == 14) {
#endif
INT4Count = INT4Value = 0;
ConfigINT4(EXT_INT_PRI_2 | RISING_EDGE_INT | EXT_INT_ENABLE);
tris = 1; ana = 1; oc = 1;
break;
}
return false; // not an interrupt enabled pin
#endif
case EXT_INT_LO: // same as digital input, so fall through
case EXT_INT_HI: // same as digital input, so fall through
case EXT_DIG_IN:
#ifdef OLIMEX
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1;}
// if (pin == 11) {P_E11_TRIS = 1; P_E11_OC = 1;}
// if (pin == 12) {P_E12_TRIS = 1; P_E12_OC = 1;}
#endif
tris = 1; ana = 1; oc = 1;
break;
case EXT_DIG_OUT:
#ifdef OLIMEX
// if (pin == 11) {P_E11_TRIS = 1; P_E11_OC = 1;} //return false;
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1;}
// if (pin == 12) {P_E12_TRIS = 1; P_E12_OC = 1;}
#endif
tris = 0; ana = 1; oc = 0;
break;
case EXT_OC_OUT:
#ifdef OLIMEX
// if (pin == 11) {P_E11_TRIS = 1; P_E11_OC = 1;} //return false;
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1;}
// if (pin == 12) {P_E12_TRIS = 1; P_E12_OC = 1;}
#else
if (pin < 11) return false;
#endif
tris = 0; ana = 1; oc = 1;
break;
case EXT_COM_RESERVED:
case EXT_CONSOLE_RESERVED:
ExtCurrentConfig[pin] = cfg; // don't do anything except set the config type
#ifdef OLIMEX
// if (pin == 5) {P_E5_TRIS = 1; P_E5_OC = 1; P_E5_ANALOG = 1;}
// if (pin == 6) {P_E6_TRIS = 1; P_E6_OC = 1; P_E6_ANALOG = 1;}
// if (pin == 11) {P_E11_TRIS = 1; P_E11_OC = 1;}
// if (pin == 12) {P_E12_TRIS = 1; P_E12_OC = 1;}
#endif
return true;
default:
return false;
}
ExtCurrentConfig[pin] = cfg;
// set the TRIS and analog characteristics
switch (pin) {
case 1: P_E1_TRIS = tris; P_E1_OC = oc; P_E1_ANALOG = ana; break;
case 2: P_E2_TRIS = tris; P_E2_OC = oc; P_E2_ANALOG = ana; break;
case 3: P_E3_TRIS = tris; P_E3_OC = oc; P_E3_ANALOG = ana; break;
case 4: P_E4_TRIS = tris; P_E4_OC = oc; P_E4_ANALOG = ana; break;
case 5: P_E5_TRIS = tris; P_E5_OC = oc; P_E5_ANALOG = ana; break;
case 6: P_E6_TRIS = tris; P_E6_OC = oc; P_E6_ANALOG = ana; break;
#ifdef OLIMEX
#ifdef OLIMEX_DUINOMITE_EMEGA
case 7: P_E7_TRIS = tris; P_E7_OC = oc; P_E7_ANALOG = ana; break;
case 8: P_E8_TRIS = tris; P_E8_OC = oc; break;
case 9: P_E9_TRIS = tris; P_E9_OC = oc; break;
case 10: P_E10_TRIS = tris; P_E10_OC = oc; break;
#else
case 7: P_E7_TRIS = tris; P_E7_OC = oc; break;
case 8: if (!S.SDEnable) { P_E8_TRIS = tris; P_E8_OC = oc;} break;
case 9: if (!S.SDEnable) { P_E9_TRIS = tris; P_E9_OC = oc;} break;
case 10: if (!S.SDEnable) { P_E10_TRIS = tris; P_E10_OC = oc;} break;
#endif
#else
case 7: P_E7_TRIS = tris; P_E7_OC = oc; P_E7_ANALOG = ana; break;
case 8: P_E8_TRIS = tris; P_E8_OC = oc; P_E8_ANALOG = ana; break;
case 9: P_E9_TRIS = tris; P_E9_OC = oc; P_E9_ANALOG = ana; break;
case 10: P_E10_TRIS = tris; P_E10_OC = oc; P_E10_ANALOG = ana; break;
#endif
case 11: P_E11_TRIS = tris; P_E11_OC = oc; break;
case 12: P_E12_TRIS = tris; P_E12_OC = oc; break;
case 13: P_E13_TRIS = tris; P_E13_OC = oc; break;
case 14: P_E14_TRIS = tris; P_E14_OC = oc; break;
case 15: P_E15_TRIS = tris; P_E15_OC = oc; break;
case 16: P_E16_TRIS = tris; P_E16_OC = oc; break;
case 17: P_E17_TRIS = tris; P_E17_OC = oc; break;
case 18: P_E18_TRIS = tris; P_E18_OC = oc; break;
#ifdef OLIMEX
// SPP +
#ifdef OLIMEX_DUINOMITE_EMEGA // edit for DuinoMite eMega
case 19: P_E19_TRIS = tris; P_E19_OC = oc; break;
case 20: P_E20_TRIS = tris; P_E20_OC = oc; break;
case 21: P_E21_TRIS = tris; P_E21_OC = oc; break;
case 22: P_E22_TRIS = tris; P_E22_OC = oc; break;
case 23: P_E23_TRIS = tris; P_E23_OC = oc; break;
case 24: P_E24_TRIS = tris; P_E24_OC = oc; break;
case 25: P_E25_TRIS = tris; P_E25_OC = oc; break;
case 26: P_E26_TRIS = tris; P_E26_OC = oc; break;
case 27: P_E27_TRIS = tris; P_E27_OC = oc; break;
case 28: P_E28_TRIS = tris; P_E28_OC = oc; break;
case 29: P_E29_TRIS = tris; P_E29_OC = oc; break;
case 30: P_E30_TRIS = tris; P_E30_OC = oc; break;
case 31: P_E31_TRIS = tris; P_E31_OC = oc; P_E31_ANALOG = ana; break;
case 32: P_E32_TRIS = tris; P_E32_OC = oc; P_E31_ANALOG = ana; break;
case 33: P_E33_TRIS = tris; P_E33_OC = oc; break;
case 34: P_E34_TRIS = tris; P_E34_OC = oc; break;
case 35: P_E35_TRIS = tris; P_E35_OC = oc; P_E31_ANALOG = ana; break;
case 36: P_E36_TRIS = tris; P_E36_OC = oc; break;
case 37: P_E37_TRIS = tris; P_E37_OC = oc; break;
case 38: P_E38_TRIS = tris; P_E38_OC = oc; break;
case 39: P_E39_TRIS = tris; P_E39_OC = oc; break;
#else // original by Geoff Graham for DuinoMite Mega
case 19: //if (!S.VideoMode) {
P_E19_TRIS = tris; P_E19_OC = oc; P_E19_ANALOG = ana;//}
break;
case 20: if (!S.VideoMode || P_VGA_COMP) {P_E20_TRIS = tris; P_E20_OC = oc; P_E20_ANALOG = ana;} break;
case 21: P_E21_TRIS = tris; P_E21_OC = oc; P_E21_ANALOG = ana; break;
case 22: P_E22_TRIS = tris; P_E22_OC = oc; break;
case 23: P_E23_TRIS = tris; P_E23_OC = oc; break;
#endif
// SPP -
#else
case 19: P_E19_TRIS = tris; P_E19_OC = oc; break;
case 20: P_E20_TRIS = tris; P_E20_OC = oc; break;
#endif
#ifdef UBW32
case 21: P_E21_TRIS = tris; P_E21_OC = oc; break;
case 22: P_E22_TRIS = tris; P_E22_OC = oc; break;
case 23: P_E23_TRIS = tris; P_E23_OC = oc; break;
case 24: P_E24_TRIS = tris; P_E24_OC = oc; break;
case 25: P_E25_TRIS = tris; P_E25_OC = oc; break;
case 26: P_E26_TRIS = tris; P_E26_OC = oc; break;
case 27: P_E27_TRIS = tris; P_E27_OC = oc; break;
case 28: P_E28_TRIS = tris; P_E28_OC = oc; break;
case 29: P_E29_TRIS = tris; P_E29_OC = oc; break;
case 30: P_E30_TRIS = tris; P_E30_OC = oc; break;
case 31: P_E31_TRIS = tris; P_E31_OC = oc; break;
case 32: P_E32_TRIS = tris; P_E32_OC = oc; break;
case 33: P_E33_TRIS = tris; P_E33_OC = oc; break;
case 34: P_E34_TRIS = tris; P_E34_OC = oc; break;
case 35: P_E35_TRIS = tris; P_E35_OC = oc; break;
case 36: P_E36_TRIS = tris; P_E36_OC = oc; break;
case 37: P_E37_TRIS = tris; P_E37_OC = oc; break;
case 38: P_E38_TRIS = tris; P_E38_OC = oc; break;
case 39: P_E39_TRIS = tris; P_E39_OC = oc; break;
case 40: P_E40_TRIS = tris; P_E40_OC = oc; break;
case 41: P_E41_TRIS = tris; P_E41_OC = oc; break;
case 42: P_E42_TRIS = tris; P_E42_OC = oc; break;
case 43: P_E43_TRIS = tris; P_E43_OC = oc; break;
case 44: P_E44_TRIS = tris; P_E44_OC = oc; break;
case 45: P_E45_TRIS = tris; P_E45_OC = oc; break;
case 46: P_E46_TRIS = tris; P_E46_OC = oc; break;
case 47: P_E47_TRIS = tris; P_E47_OC = oc; break;
case 48: P_E48_TRIS = tris; P_E48_OC = oc; break;
case 49: P_E49_TRIS = tris; P_E49_OC = oc; break;
case 50: P_E50_TRIS = tris; P_E50_OC = oc; break;
#endif
}
if (cfg == EXT_NOT_CONFIG) ExtSet(pin, 0); // set the default output to low
return true;
}
/****************************************************************************************************************************
Set the output of a digital I/O pin
Returns true if all is OK
*****************************************************************************************************************************/
int ExtSet(int pin, int val){
val = (val != 0); // non zero is on
INTDisableInterrupts(); // setting an output bit is NOT atomic and a bit set operation
// in an interrupt could result in this set corrupting the output
switch (pin) {
#ifdef UBW32
case 0: P_LED_OUT = !val; break; // this is the LED - the UBW32 wired them upside down !!
#else
case 0: P_LED_OUT = val; break; // this is the LED
#endif
case 1: P_E1_OUT = val; break;
case 2: P_E2_OUT = val; break;
case 3: P_E3_OUT = val; break;
case 4: P_E4_OUT = val; break;
case 5: P_E5_OUT = val; break;
case 6: P_E6_OUT = val; break;
case 7: P_E7_OUT = val; break;
#ifdef OLIMEX
#ifdef OLIMEX_DUINOMITE_EMEGA
case 8: P_E8_OUT = val; break;
case 9: P_E9_OUT = val; break;
case 10: P_E10_OUT = val; break;
#else
case 8: if (!S.SDEnable) P_E8_OUT = val; break;
case 9: if (!S.SDEnable) P_E9_OUT = val; break;
case 10: if (!S.SDEnable) P_E10_OUT = val; break;
#endif
#else
case 8: P_E8_OUT = val; break;
case 9: P_E9_OUT = val; break;
case 10: P_E10_OUT = val; break;
#endif
case 11: P_E11_OUT = val; break;
case 12: P_E12_OUT = val; break;
case 13: P_E13_OUT = val; break;
case 14: P_E14_OUT = val; break;
case 15: P_E15_OUT = val; break;
case 16: P_E16_OUT = val; break;
case 17: P_E17_OUT = val; break;
case 18: P_E18_OUT = val; break;
#ifdef OLIMEX
#ifdef OLIMEX_DUINOMITE_EMEGA
case 19: P_E19_OUT = val; break;
case 20: P_E20_OUT = val; break;
#else
case 19: P_E19_OUT = val; break;
case 20: if (!S.VideoMode || P_VGA_COMP) P_E20_OUT = val; break;
case 22: P_E22_OUT = val ; break;
case 23: P_E23_OUT = val ; break;
#endif
#else
case 19: P_E19_OUT = val; break;
case 20: P_E20_OUT = val; break;
#endif
#if defined UBW32 || defined OLIMEX_DUINOMITE_EMEGA
case 21: P_E21_OUT = val; break;
case 22: P_E22_OUT = val; break;
case 23: P_E23_OUT = val; break;
case 24: P_E24_OUT = val; break;
case 25: P_E25_OUT = val; break;
case 26: P_E26_OUT = val; break;
case 27: P_E27_OUT = val; break;
case 28: P_E28_OUT = val; break;
case 29: P_E29_OUT = val; break;
case 30: P_E30_OUT = val; break;
case 31: P_E31_OUT = val; break;
case 32: P_E32_OUT = val; break;
case 33: P_E33_OUT = val; break;
case 34: P_E34_OUT = val; break;
case 35: P_E35_OUT = val; break;
case 36: P_E36_OUT = val; break;
case 37: P_E37_OUT = val; break;
case 38: P_E38_OUT = val; break;
case 39: P_E39_OUT = val; break;
#endif
#ifdef UBW32
case 40: P_E40_OUT = val; break;
case 41: P_E41_OUT = val; break;
case 42: P_E42_OUT = val; break;
case 43: P_E43_OUT = val; break;
case 44: P_E44_OUT = val; break;
case 45: P_E45_OUT = val; break;
case 46: P_E46_OUT = val; break;
case 47: P_E47_OUT = val; break;
case 48: P_E48_OUT = val; break;
case 49: P_E49_OUT = val; break;
case 50: P_E50_OUT = val; break;
#endif
default:
INTEnableInterrupts();
return false;
}
INTEnableInterrupts();
return true;
}
/**
* NOTE: The technique is not the same as that used in TinyVM.
* The return value indicates the impact of the call on the VM
* system. EXEC_CONTINUE normal return the system should return to the return
* address provided by the VM. EXEC_RUN The call has modified the value of
* VM PC and this should be used to restart execution. EXEC_RETRY The call
* needs to be re-tried (typically for a GC failure), all global state
* should be left intact, the PC has been set appropriately.
*
*/
int dispatch_native(TWOBYTES signature, STACKWORD * paramBase)
{
STACKWORD p0 = paramBase[0];
switch (signature) {
case wait_4_5V:
return monitor_wait((Object *) word2ptr(p0), 0);
case wait_4J_5V:
return monitor_wait((Object *) word2ptr(p0), ((int)paramBase[1] > 0 ? 0x7fffffff : paramBase[2]));
case notify_4_5V:
return monitor_notify((Object *) word2ptr(p0), false);
case notifyAll_4_5V:
return monitor_notify((Object *) word2ptr(p0), true);
case start_4_5V:
// Create thread, allow for instruction restart
return init_thread((Thread *) word2ptr(p0));
case yield_4_5V:
schedule_request(REQUEST_SWITCH_THREAD);
break;
case sleep_4J_5V:
sleep_thread(((int)p0 > 0 ? 0x7fffffff : paramBase[1]));
schedule_request(REQUEST_SWITCH_THREAD);
break;
case getPriority_4_5I:
push_word(get_thread_priority((Thread *) word2ptr(p0)));
break;
case setPriority_4I_5V:
{
STACKWORD p = (STACKWORD) paramBase[1];
if (p > MAX_PRIORITY || p < MIN_PRIORITY)
return throw_new_exception(JAVA_LANG_ILLEGALARGUMENTEXCEPTION);
else
set_thread_priority((Thread *) word2ptr(p0), p);
}
break;
case currentThread_4_5Ljava_3lang_3Thread_2:
push_ref(ptr2ref(currentThread));
break;
case interrupt_4_5V:
interrupt_thread((Thread *) word2ptr(p0));
break;
case interrupted_4_5Z:
{
JBYTE i = currentThread->interruptState != INTERRUPT_CLEARED;
currentThread->interruptState = INTERRUPT_CLEARED;
push_word(i);
}
break;
case isInterrupted_4_5Z:
push_word(((Thread *) word2ptr(p0))->interruptState
!= INTERRUPT_CLEARED);
break;
case join_4_5V:
join_thread((Thread *) word2ptr(p0), 0);
break;
case join_4J_5V:
join_thread((Thread *) word2obj(p0), paramBase[2]);
break;
case halt_4I_5V:
schedule_request(REQUEST_EXIT);
break;
case shutdown_4_5V:
shutdown_program(false);
break;
case currentTimeMillis_4_5J:
push_word(0);
push_word(systick_get_ms());
break;
case readSensorValue_4I_5I:
push_word(sp_read(p0, SP_ANA));
break;
case setPowerTypeById_4II_5V:
sp_set_power(p0, paramBase[1]);
break;
case freeMemory_4_5J:
push_word(0);
push_word(getHeapFree());
break;
case totalMemory_4_5J:
push_word(0);
push_word(getHeapSize());
break;
case floatToRawIntBits_4F_5I: // Fall through
case intBitsToFloat_4I_5F:
push_word(p0);
break;
case doubleToRawLongBits_4D_5J: // Fall through
case longBitsToDouble_4J_5D:
push_word(p0);
push_word(paramBase[1]);
break;
case drawString_4Ljava_3lang_3String_2II_5V:
{
String *p = (String *)word2obj(p0);
Object *charArray;
if (!p) return throw_new_exception(JAVA_LANG_NULLPOINTEREXCEPTION);
charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p)));
if (!charArray) return throw_new_exception(JAVA_LANG_NULLPOINTEREXCEPTION);
display_goto_xy(paramBase[1], paramBase[2]);
display_jstring(p);
}
break;
case drawInt_4III_5V:
display_goto_xy(paramBase[1], paramBase[2]);
display_int(p0, 0);
break;
case drawInt_4IIII_5V:
display_goto_xy(paramBase[2], paramBase[3]);
display_int(p0, paramBase[1]);
break;
case asyncRefresh_4_5V:
display_update();
break;
case clear_4_5V:
display_clear(0);
break;
case getDisplay_4_5_1B:
push_word(display_get_array());
break;
case setAutoRefreshPeriod_4I_5I:
push_word(display_set_auto_update_period(p0));
break;
case getRefreshCompleteTime_4_5I:
push_word(display_get_update_complete_time());
break;
case bitBlt_4_1BIIII_1BIIIIIII_5V:
{
Object *src = word2ptr(p0);
Object *dst = word2ptr(paramBase[5]);
display_bitblt((byte *)(src != NULL ?jbyte_array(src):NULL), paramBase[1], paramBase[2], paramBase[3], paramBase[4], (byte *)(dst!=NULL?jbyte_array(dst):NULL), paramBase[6], paramBase[7], paramBase[8], paramBase[9], paramBase[10], paramBase[11], paramBase[12]);
break;
}
case getSystemFont_4_5_1B:
push_word(display_get_font());
break;
case setContrast_4I_5V:
nxt_lcd_set_pot(p0);
break;
case getBatteryStatus_4_5I:
push_word(battery_voltage());
break;
case getButtons_4_5I:
push_word(buttons_get());
break;
case getTachoCountById_4I_5I:
push_word(nxt_motor_get_count(p0));
break;
case controlMotorById_4III_5V:
nxt_motor_set_speed(p0, paramBase[1], paramBase[2]);
break;
case resetTachoCountById_4I_5V:
nxt_motor_set_count(p0, 0);
break;
case i2cEnableById_4II_5V:
if (i2c_enable(p0, paramBase[1]) == 0)
return EXEC_RETRY;
else
break;
case i2cDisableById_4I_5V:
i2c_disable(p0);
break;
case i2cStatusById_4I_5I:
push_word(i2c_status(p0));
break;
case i2cStartById_4II_1BIII_5I:
{
Object *p = word2obj(paramBase[2]);
JBYTE *byteArray = p ? jbyte_array(p) + paramBase[3] : NULL;
push_word(i2c_start(p0,
paramBase[1],
(U8 *)byteArray,
paramBase[4],
paramBase[5]));
}
break;
case i2cCompleteById_4I_1BII_5I:
{
Object *p = word2ptr(paramBase[1]);
JBYTE *byteArray = p ? jbyte_array(p) + paramBase[2] : NULL;
push_word(i2c_complete(p0,
(U8 *)byteArray,
paramBase[3]));
}
break;
case playFreq_4III_5V:
sound_freq(p0,paramBase[1], paramBase[2]);
break;
case btGetBC4CmdMode_4_5I:
push_word(bt_get_mode());
break;
case btSetArmCmdMode_4I_5V:
if (p0 == 0) bt_set_arm7_cmd();
else bt_clear_arm7_cmd();
break;
case btSetResetLow_4_5V:
bt_set_reset_low();
break;
case btSetResetHigh_4_5V:
bt_set_reset_high();
break;
case btWrite_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(bt_write(byteArray, paramBase[1], paramBase[2]));
}
break;
case btRead_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(bt_read(byteArray, paramBase[1], paramBase[2]));
}
break;
case btPending_4_5I:
{
push_word(bt_event_check(0xffffffff));
}
break;
case btEnable_4_5V:
if (bt_enable() == 0)
return EXEC_RETRY;
else
break;
case btDisable_4_5V:
bt_disable();
break;
case usbRead_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(udp_read(byteArray,paramBase[1], paramBase[2]));
}
break;
case usbWrite_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(udp_write(byteArray,paramBase[1], paramBase[2]));
}
break;
case usbStatus_4_5I:
{
push_word(udp_event_check(0xffffffff));
}
break;
case usbEnable_4I_5V:
{
udp_enable(p0);
}
break;
case usbDisable_4_5V:
{
udp_disable();
}
break;
case usbReset_4_5V:
udp_reset();
break;
case usbSetSerialNo_4Ljava_3lang_3String_2_5V:
{
byte *p = word2ptr(p0);
int len;
Object *charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p)));
len = get_array_length(charArray);
udp_set_serialno((U8 *)jchar_array(charArray), len);
}
break;
case usbSetName_4Ljava_3lang_3String_2_5V:
{
byte *p = word2ptr(p0);
int len;
Object *charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p)));
len = get_array_length(charArray);
udp_set_name((U8 *)jchar_array(charArray), len);
}
break;
case flashWritePage_4_1BI_5I:
{
Object *p = word2ptr(p0);
unsigned long *intArray = (unsigned long *) jint_array(p);
push_word(flash_write_page(intArray,paramBase[1]));
}
break;
case flashReadPage_4_1BI_5I:
{
Object *p = word2ptr(p0);
unsigned long *intArray = (unsigned long *) jint_array(p);
push_word(flash_read_page(intArray,paramBase[1]));
}
break;
case flashExec_4II_5I:
push_word(run_program((byte *)(&FLASH_BASE[(p0*FLASH_PAGE_SIZE)]), paramBase[1]));
break;
case playSample_4IIIII_5V:
sound_play_sample(((unsigned char *) &FLASH_BASE[(p0*FLASH_PAGE_SIZE)]) + paramBase[1],paramBase[2],paramBase[3],paramBase[4]);
break;
case playQueuedSample_4_1BIIII_5I:
push_word(sound_add_sample((U8 *)jbyte_array(word2obj(p0)) + paramBase[1],paramBase[2],paramBase[3],paramBase[4]));
break;
case getTime_4_5I:
push_word(sound_get_time());
break;
case getDataAddress_4Ljava_3lang_3Object_2_5I:
if (is_array(word2obj(p0)))
push_word (ptr2word ((byte *) array_start(word2ptr(p0))));
else
push_word (ptr2word ((byte *) fields_start(word2ptr(p0))));
break;
case getObjectAddress_4Ljava_3lang_3Object_2_5I:
push_word(p0);
break;
case gc_4_5V:
// Restartable garbage collection
return garbage_collect();
case shutDown_4_5V:
shutdown(); // does not return
case boot_4_5V:
display_clear(1);
while (1) nxt_avr_firmware_update_mode(); // does not return
case arraycopy_4Ljava_3lang_3Object_2ILjava_3lang_3Object_2II_5V:
return arraycopy(word2ptr(p0), paramBase[1], word2ptr(paramBase[2]), paramBase[3], paramBase[4]);
case executeProgram_4I_5V:
// Exceute program, allow for instruction re-start
return execute_program(p0);
case setDebug_4_5V:
set_debug(word2ptr(p0));
break;
case eventOptions_4II_5I:
{
byte old = debugEventOptions[p0];
debugEventOptions[p0] = (byte)paramBase[1];
push_word(old);
}
break;
case suspendThread_4Ljava_3lang_3Object_2_5V:
suspend_thread(ref2ptr(p0));
break;
case resumeThread_4Ljava_3lang_3Object_2_5V:
resume_thread(ref2ptr(p0));
break;
case getProgramExecutionsCount_4_5I:
push_word(gProgramExecutions);
break;
case getFirmwareRevision_4_5I:
push_word((STACKWORD) getRevision());
break;
case getFirmwareRawVersion_4_5I:
push_word((STACKWORD) VERSION_NUMBER);
break;
case hsEnable_4II_5V:
{
if (hs_enable((int)p0, (int)paramBase[1]) == 0)
return EXEC_RETRY;
}
break;
case hsDisable_4_5V:
{
hs_disable();
}
break;
case hsWrite_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(hs_write(byteArray, paramBase[1], paramBase[2]));
}
break;
case hsRead_4_1BII_5I:
{
Object *p = word2ptr(p0);
byte *byteArray = (byte *) jbyte_array(p);
push_word(hs_read(byteArray, paramBase[1], paramBase[2]));
}
break;
case hsPending_4_5I:
{
push_word(hs_pending());
}
break;
case hsSend_4BB_1BII_1C_5I:
{
Object *p = word2ptr(paramBase[2]);
U8 *data = (U8 *)jbyte_array(p);
p = word2ptr(paramBase[5]);
U16 *crc = (U16 *)jchar_array(p);
push_word(hs_send((U8) p0, (U8)paramBase[1], data, paramBase[3], paramBase[4], crc));
}
break;
case hsRecv_4_1BI_1CI_5I:
{
Object *p = word2ptr(p0);
U8 *data = (U8 *)jbyte_array(p);
p = word2ptr(paramBase[2]);
U16 *crc = (U16 *)jchar_array(p);
push_word(hs_recv(data, paramBase[1], crc, paramBase[3]));
}
break;
case getUserPages_4_5I:
push_word(FLASH_MAX_PAGES - flash_start_page);
break;
case setVMOptions_4I_5V:
gVMOptions = p0;
break;
case getVMOptions_4_5I:
push_word(gVMOptions);
break;
case isAssignable_4II_5Z:
push_word(is_assignable(p0, paramBase[1]));
break;
case cloneObject_4Ljava_3lang_3Object_2_5Ljava_3lang_3Object_2:
{
Object *newObj = clone((Object *)ref2obj(p0));
if (newObj == NULL) return EXEC_RETRY;
push_word(obj2ref(newObj));
}
break;
case memPeek_4III_5I:
push_word(mem_peek(p0, paramBase[1], paramBase[2]));
break;
case memCopy_4Ljava_3lang_3Object_2IIII_5V:
mem_copy(word2ptr(p0), paramBase[1], paramBase[2], paramBase[3], paramBase[4]);
break;
case memGetReference_4II_5Ljava_3lang_3Object_2:
push_word(mem_get_reference(p0, paramBase[1]));
break;
case setSensorPin_4III_5V:
sp_set(p0, paramBase[1], paramBase[2]);
break;
case getSensorPin_4II_5I:
push_word(sp_get(p0, paramBase[1]));
break;
case setSensorPinMode_4III_5V:
sp_set_mode(p0, paramBase[1], paramBase[2]);
break;
case readSensorPin_4II_5I:
push_word(sp_read(p0, paramBase[1]));
break;
case nanoTime_4_5J:
{
U64 ns = systick_get_ns();
push_word(ns >> 32);
push_word(ns);
}
break;
case createStackTrace_4Ljava_3lang_3Thread_2Ljava_3lang_3Object_2_5_1I:
{
Object *trace = create_stack_trace((Thread *)ref2obj(p0), ref2obj(paramBase[1]));
if (trace == NULL) return EXEC_RETRY;
push_word(obj2ref(trace));
}
break;
case registerEvent_4_5I:
push_word(register_event((NXTEvent *) ref2obj(p0)));
break;
case unregisterEvent_4_5I:
push_word(unregister_event((NXTEvent *) ref2obj(p0)));
break;
case changeEvent_4II_5I:
push_word(change_event((NXTEvent *) ref2obj(p0), paramBase[1], paramBase[2]));
break;
case isInitialized_4I_5Z:
push_word(is_initialized_idx(p0));
break;
case allocate_4II_5Ljava_3lang_3Object_2:
{
Object *allocated;
if(paramBase[1]>0){
allocated=new_single_array(p0,paramBase[1]);
}else{
allocated=new_object_for_class(p0);
}
if(allocated == NULL) return EXEC_RETRY;
push_word(obj2ref(allocated));
}
break;
case memPut_4IIII_5V:
store_word_ns((byte *)(memory_base[p0] + paramBase[1]), paramBase[2],paramBase[3]);
break;
case notifyEvent_4ILjava_3lang_3Thread_2_5Z:
push_word(debug_event(paramBase[1], NULL, (Thread*) ref2obj(paramBase[2]), 0, 0, 0, 0));
break;
case setThreadRequest_4Ljava_3lang_3Thread_2Llejos_3nxt_3debug_3SteppingRequest_2_5V:
{
Thread *th = (Thread*) ref2obj(p0);
th->debugData = (REFERENCE) paramBase[1];
// currently we only get stepping requests
if(paramBase[1])
th->flags |= THREAD_STEPPING;
else
th->flags &= ~THREAD_STEPPING;
}
break;
case isStepping_4Ljava_3lang_3Thread_2_5Z:
{
Thread *th = (Thread*) ref2obj(p0);
push_word(is_stepping(th));
}
break;
case setBreakpointList_4_1Llejos_3nxt_3debug_3Breakpoint_2I_5V:
breakpoint_set_list((Breakpoint**) array_start(p0), paramBase[1]);
break;
case enableBreakpoint_4Llejos_3nxt_3debug_3Breakpoint_2Z_5V:
breakpoint_enable((Breakpoint*) word2ptr(p0), (boolean) paramBase[1]);
break;
case firmwareExceptionHandler_4Ljava_3lang_3Throwable_2II_5V:
firmware_exception_handler((Throwable *)p0, paramBase[1], paramBase[2]);
break;
case exitThread_4_5V:
currentThread->state = DEAD;
schedule_request(REQUEST_SWITCH_THREAD);
break;
case updateThreadFlags_4Ljava_3lang_3Thread_2II_5I:
((Thread *)p0)->flags |= paramBase[1];
((Thread *)p0)->flags &= ~paramBase[2];
//printf("m %x %d\n", p0, ((Thread *)p0)->flags);
push_word(((Thread *)p0)->flags);
break;
default:
return throw_new_exception(JAVA_LANG_NOSUCHMETHODERROR);
}
return EXEC_CONTINUE;
}
uint16_t read_pressure_barometer_MPL115A2(){
uint16_t press = 0;
uint16_t temp = 0;
float press_comp = 0;
uint8_t res = 0;
BAR_POWER_UP();
i2c_enable();
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((START_CONVERSION_COMMAND));
i2c_write((0x01)); // trovato su un forum di uno spagnolo
i2c_stop();
//delay 1.6 ms
__delay_cycles(1662500);
// read temperature first
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((READ_TEMPERATURE_MSB_COMMAND));
i2c_start();
i2c_write((DEVICE_ADDRESS | READ));
res = i2c_read(1);
//printf("temp MSB %x\n", res);
temp = (res << 8);
res = i2c_read(0);
temp += res;
temp = temp >> 6;
//printf("temp is %d\n", temp);
i2c_stop();
i2c_start();
i2c_write((DEVICE_ADDRESS | WRITE));
i2c_write((READ_PRESSURE_MSB_COMMAND));
i2c_start();
i2c_write((DEVICE_ADDRESS | READ));
res = i2c_read(1);
//printf("temp MSB %x\n", res);
press = (res << 8);
res = i2c_read(0);
press += res;
press = press >> 6;
i2c_stop();
i2c_disable();
BAR_POWER_DOWN();
//printf("press is %d\n", press);
press_comp = _mpl115a2_a0 + (_mpl115a2_b1 + _mpl115a2_c12 * temp ) * press + _mpl115a2_b2 * temp;
// hPa
return (uint16_t)((((65.0F / 1023.0F) * press_comp) + 50.0F)*10);
}
/*#---------------------------------------------------------------------------
*#
*# FUNCTION NAME: i2c_getack
*#
*# DESCRIPTION : checks if ack was received from ic2
*#
*# PARAMETERS : none
*#
*# RETURN : returns the ack state of the I2C device
*#
*#---------------------------------------------------------------------------
*/
int i2c_getack( void )
{
int ack = 1;
#ifdef CONFIG_ETRAX_I2C_SLAVE_DELAY
int n=MAXSCLRETRIES;
#endif
/* generate ACK clock pulse */
i2c_set_scl( SCL_HIGH );
/* switch off I2C */
i2c_disable();
#ifdef CONFIG_ETRAX_I2C_SLAVE_DELAY
/* set clock low */
i2c_set_scl( SCL_LOW );
/* now wait for ack */
i2c_delay( THIGH );
/* set clock as input */
i2c_scl_dir_in();
/* wait for clock to rise (n=MAXSCLRETRIES) */
for( ; n>0; n-- )
{
if( i2c_scl_is_high() )
break;
i2c_delay( THIGH );
}
i2c_set_scl( SCL_HIGH );
i2c_scl_dir_out();
i2c_delay( THIGH );
#else
/* now wait for ack */
i2c_delay( THIGH );
#endif
/* check for ack: if SDA is high, then NACK, else ACK */
if ( i2c_sda_is_high() )
{
ack = 0;
}
else
{
ack = 1;
}
/* end clock pulse */
i2c_enable();
i2c_set_scl( SCL_LOW );
i2c_sda_dir_out();
i2c_set_sda( SDA_LOW );
/* Since we "lost" already THDDAT time, we can subtract it here... */
i2c_delay( TLOW - THDDAT );
return ( ack );
} /* i2c_getack */
HardWire::~HardWire() {
i2c_disable(sel_hard);
sel_hard = 0;
}
void iotlab_i2c_slave_stop()
{
i2c_disable(I2C_2);
_state.handlers_list.next = NULL; // remove handlers
}
void i2c_lpc_stop(i2c_bus_t* const bus) {
const uint32_t port = (uint32_t)bus->obj;
i2c_disable(port);
}
/*
* Terminate I2C communication on the specified port
*/
void term_genericI2C_sensor(U8 port_id)
{
i2c_disable(port_id);
}