static int i2c_mcux_configure(struct device *dev, u32_t dev_config_raw)
{
I2C_Type *base = DEV_BASE(dev);
const struct i2c_mcux_config *config = DEV_CFG(dev);
u32_t clock_freq;
u32_t baudrate;
if (!(I2C_MODE_MASTER & dev_config_raw)) {
return -EINVAL;
}
if (I2C_ADDR_10_BITS & dev_config_raw) {
return -EINVAL;
}
switch (I2C_SPEED_GET(dev_config_raw)) {
case I2C_SPEED_STANDARD:
baudrate = KHZ(100);
break;
case I2C_SPEED_FAST:
baudrate = MHZ(1);
break;
default:
return -EINVAL;
}
clock_freq = CLOCK_GetFreq(config->clock_source);
I2C_MasterSetBaudRate(base, baudrate, clock_freq);
return 0;
}
static int i2c_mcux_configure(struct device *dev, u32_t dev_config_raw)
{
I2C_Type *base = DEV_BASE(dev);
const struct i2c_mcux_config *config = DEV_CFG(dev);
union dev_config dev_config = (union dev_config)dev_config_raw;
u32_t clock_freq;
u32_t baudrate;
if (!dev_config.bits.is_master_device) {
return -EINVAL;
}
if (dev_config.bits.use_10_bit_addr) {
return -EINVAL;
}
switch (dev_config.bits.speed) {
case I2C_SPEED_STANDARD:
baudrate = KHZ(100);
break;
case I2C_SPEED_FAST:
baudrate = MHZ(1);
break;
default:
return -EINVAL;
}
clock_freq = CLOCK_GetFreq(config->clock_source);
I2C_MasterSetBaudRate(base, baudrate, clock_freq);
return 0;
}
/* ==============================================
main task routine
============================================== */
int main(void) {
pool_memadd((uint32_t)pool, sizeof(pool));
#ifdef DEBUG
dbg.start();
#endif
// TODO: insert code here
CAdxl345 adxl;
adxl.assign(I2C0, KHZ(400));
adxl.powerOn();
CPin led(P7);
led.output(NOT_OPEN);
int x,y,z;
// Enter an endless loop
while(1){
adxl.readAccel(&x, &y, &z);
#ifdef DEBUG
if ( dbg.isDebugMode() ) {
dbg.println("X=%d, Y=%d, Z=%d\n", x, y, z);
}
#endif
led = !led;
sleep(200);
}
return 0 ;
}
static int i2c_imx_configure(struct device *dev, u32_t dev_config_raw)
{
I2C_Type *base = DEV_BASE(dev);
struct i2c_imx_data *data = DEV_DATA(dev);
struct i2c_master_transfer *transfer = &data->transfer;
u32_t baudrate;
if (!(I2C_MODE_MASTER & dev_config_raw)) {
return -EINVAL;
}
if (I2C_ADDR_10_BITS & dev_config_raw) {
return -EINVAL;
}
/* Initialize I2C state structure content. */
transfer->txBuff = 0;
transfer->rxBuff = 0;
transfer->cmdSize = 0U;
transfer->txSize = 0U;
transfer->rxSize = 0U;
transfer->isBusy = false;
transfer->currentDir = i2cDirectionReceive;
transfer->currentMode = i2cModeSlave;
switch (I2C_SPEED_GET(dev_config_raw)) {
case I2C_SPEED_STANDARD:
baudrate = KHZ(100);
break;
case I2C_SPEED_FAST:
baudrate = MHZ(1);
break;
default:
return -EINVAL;
}
/* Setup I2C init structure. */
i2c_init_config_t i2cInitConfig = {
.baudRate = baudrate,
.slaveAddress = 0x00
};
i2cInitConfig.clockRate = get_i2c_clock_freq(base);
I2C_Init(base, &i2cInitConfig);
I2C_Enable(base);
return 0;
}
static int i2c_imx_send_addr(struct device *dev, u16_t addr, u8_t flags)
{
u8_t byte0 = addr << 1;
byte0 |= (flags & I2C_MSG_RW_MASK) == I2C_MSG_READ;
return i2c_imx_write(dev, &byte0, 1);
}
/**
* \brief Prepare for SPI transfer (API)
*
* Note that to use this, you must have an int g_fd file descriptor
* that this can write to. You must close that file descriptor when
* transfer is done. You should use spiOpen(), which is a wrapper
* for this function that returns the file descriptor directly.
* \returns
* This function returns 0 on success, and -1 on failure. \n
* A global file descriptor is stored in the int g_fd field.
*/
int8_t sgSerialOpen(void) {
// Set up SPI
if ((g_fd = wiringPiSPISetup (0, KHZ(SPI_SPEED_KHZ))) < 0) {
syslog(LOG_ERR, "SPI Setup failed: %s\n", strerror (errno));
return -1;
} else {
return 0;
}
return 0;
}
static void setupHardware(void) {
// Se configuran los perifericos por defecto
SystemInit();
// Se inicializa las task de comunicaciones
// taskPcCommunicationInit();
semSdCardAccess = xSemaphoreCreateMutex();
xSemaphoreGive(semSdCardAccess);
// SD Card
LPC_GPIO0->FIODIR |= 1<<22;
LPC_GPIO0->FIOCLR |= 1<<22;
LPC_SC->PCLKSEL0 &= ~(3<<2);
LPC_SC->PCLKSEL0 |= 1<<2;
/*
* Default values for the SPI clock
* Use 400 kHz during init and 1 MHz during data transfer
*
* These values are believed to be reasonably safe values.
*/
SetSPIClocks(KHZ(400), MHZ(1));
f_mount(0, &fs);
LPC_GPIO2->FIODIR |= (1<<0); // red
LPC_GPIO2->FIODIR |= (1<<1); // green
LPC_GPIO2->FIOCLR = (1<<0); // red
LPC_GPIO2->FIOCLR = (1<<1); // green
RTC_Init(LPC_RTC);
/* Enable rtc (starts increase the tick counter and second counter register) */
RTC_ResetClockTickCounter(LPC_RTC);
RTC_Cmd(LPC_RTC, ENABLE);
RTC_CalibCounterCmd(LPC_RTC, DISABLE);
/* Set current time for RTC */
// Current time is 8:00:00PM, 2009-04-24
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_SECOND, 0);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MINUTE, 0);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_HOUR, 0);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MONTH, 12);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_YEAR, 2012);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_DAYOFMONTH, 19);
/* Set ALARM time for second */
RTC_SetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND, 10);
}
static void init(struct output *o, int default_spl)
{
struct context *ctx;
struct probe *probe;
GSList *l;
uint64_t samplerate;
int num_probes;
ctx = malloc(sizeof(struct context));
o->internal = ctx;
ctx->num_enabled_probes = 0;
for(l = o->device->probes; l; l = l->next) {
probe = l->data;
if(probe->enabled)
ctx->probelist[ctx->num_enabled_probes++] = probe->name;
}
ctx->probelist[ctx->num_enabled_probes] = 0;
ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
ctx->spl_cnt = 0;
if(o->param && o->param[0])
ctx->samples_per_line = strtoul(o->param, NULL, 10);
else
ctx->samples_per_line = default_spl;
ctx->header = malloc(512);
num_probes = g_slist_length(o->device->probes);
samplerate = *((uint64_t *) o->device->plugin->get_device_info(o->device->plugin_index, DI_CUR_SAMPLE_RATE));
snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", ctx->num_enabled_probes, num_probes);
if(samplerate >= GHZ(1))
snprintf(ctx->header + strlen(ctx->header), 512, "%"PRId64" GHz", samplerate / 1000000000);
else if(samplerate >= MHZ(1))
snprintf(ctx->header + strlen(ctx->header), 512, "%"PRId64" MHz", samplerate / 1000000);
else if(samplerate >= KHZ(1))
snprintf(ctx->header + strlen(ctx->header), 512, "%"PRId64" KHz", samplerate / 1000);
else
snprintf(ctx->header + strlen(ctx->header), 512, "%"PRId64" Hz", samplerate);
snprintf(ctx->header + strlen(ctx->header), 512, "\n");
ctx->linebuf_len = ctx->samples_per_line * 2;
ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len);
ctx->linevalues = calloc(1, num_probes);
}
static int new_pc_clk_set_rate(unsigned id, unsigned rate)
{
// Cotulla: I am too lazy...
#define MHZ(x) ((x) * 1000 * 1000)
#define KHZ(x) ((x) * 1000)
unsigned clk = -1;
unsigned speed = 0;
switch (id)
{
case UART1DM_CLK:
if (rate > 58982400) speed = 14;
else if (rate > 56000000) speed = 13;
else if (rate > 54613300) speed = 12;
else if (rate > 51200000) speed = 11;
else if (rate > 46400000) speed = 10;
else if (rate > 48000000) speed = 9;
else if (rate > 40000000) speed = 8;
else if (rate > 32000000) speed = 7;
else if (rate > 24000000) speed = 6;
else if (rate > 19200000) speed = 5;
else if (rate > 16000000) speed = 4;
else if (rate > 14745600) speed = 3;
else if (rate > 7372800) speed = 2;
else if (rate > 3686400) speed = 1;
else speed = 0;
clk = 112;
break;
case UART2DM_CLK:
if (rate > 58982400) speed = 14;
else if (rate > 56000000) speed = 13;
else if (rate > 54613300) speed = 12;
else if (rate > 51200000) speed = 11;
else if (rate > 46400000) speed = 10;
else if (rate > 48000000) speed = 9;
else if (rate > 40000000) speed = 8;
else if (rate > 32000000) speed = 7;
else if (rate > 24000000) speed = 6;
else if (rate > 19200000) speed = 5;
else if (rate > 16000000) speed = 4;
else if (rate > 14745600) speed = 3;
else if (rate > 7372800) speed = 2;
else if (rate > 3686400) speed = 1;
else speed = 0;
clk = 114;
break;
/*
case VFE_MDC_CLK:
if (rate == 96000000) speed = 37;
else if (rate == 48000000) speed = 32;
else if (rate == 24000000) speed = 22;
else if (rate == 12000000) speed = 14;
else if (rate == 6000000) speed = 6;
else if (rate == 3000000) speed = 1;
else
{
printk("wrong MDC clock %d\n", rate);
return 0;
}
clk = 40;
break;
case VFE_CLK:
if (rate == 36000000) speed = 1;
else if (rate == 48000000) speed = 2;
else if (rate == 64000000) speed = 3;
else if (rate == 78000000) speed = 4;
else if (rate == 96000000) speed = 5;
else
{
printk("wrong clock %d\n", rate);
return 0;
}
clk = 41;
break;
case SPI_CLK:
if (rate > 15360000) speed = 5;
else if (rate > 9600000) speed = 4;
else if (rate > 4800000) speed = 3;
else if (rate > 960000) speed = 2;
else speed = 1;
clk = 95;
break;
*/
case SDC1_CLK:
if (rate > MHZ(40)) speed = 7;
else if (rate > MHZ(25)) speed = 6;
else if (rate > MHZ(20)) speed = 5;
else if (rate > MHZ(17)) speed = 4;
else if (rate > MHZ(16)) speed = 3;
else if (rate > KHZ(400))speed = 2;
else if (rate > KHZ(144))speed = 1;
else speed = 0;
clk = 93;
break;
case SDC2_CLK:
if (rate > MHZ(40)) speed = 7;
else if (rate > MHZ(25)) speed = 6;
else if (rate > MHZ(20)) speed = 5;
else if (rate > MHZ(17)) speed = 4;
else if (rate > MHZ(16)) speed = 3;
else if (rate > KHZ(400))speed = 2;
else if (rate > KHZ(144))speed = 1;
else speed = 0;
clk = 94;
break;
#undef MHZ
#undef KHZ
// both none
case SDC1_PCLK:
case SDC2_PCLK:
return 0;
break;
default:
return -1;
}
#ifdef ENABLE_CLOCK_INFO
printk("clk_rate %d : %d\n", clk, speed);
#endif
// msm_proc_comm(PCOM_CLK_REGIME_SEC_SEL_SPEED, &clk, &speed);
return 0;
}
};
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define KHZ(x) ((x)*1000)
#define E4K_PLL_Y 65536
struct pll_settings {
uint32_t freq;
uint8_t reg_synth7;
uint8_t mult;
};
static const struct pll_settings pll_vars[] = {
{KHZ(72400), (1 << 3) | 7, 48},
{KHZ(81200), (1 << 3) | 6, 40},
{KHZ(108300), (1 << 3) | 5, 32},
{KHZ(162500), (1 << 3) | 4, 24},
{KHZ(216600), (1 << 3) | 3, 16},
{KHZ(325000), (1 << 3) | 2, 12},
{KHZ(350000), (1 << 3) | 1, 8},
{KHZ(432000), (0 << 3) | 3, 8},
{KHZ(667000), (0 << 3) | 2, 6},
{KHZ(1200000), (0 << 3) | 1, 4}
};
/* \brief compute Fvco based on Fosc, Z and X
* \returns positive value (Fvco in Hz), 0 in case of error */
static uint64_t compute_fvco(uint32_t f_osc, uint8_t z, uint16_t x)
{
};
/* list of struct usb_device_instance, maintained by opendev() and closedev() */
GSList *usb_devices = NULL;
/* since we can't keep track of a Saleae Logic device after upgrading the
* firmware -- it re-enumerates into a different device address after the
* upgrade -- this is like a global lock. No device will open until a proper
* delay after the last device was upgraded.
*/
GTimeVal firmware_updated = {0};
libusb_context *usb_context = NULL;
uint64_t supported_sample_rates[] = {
KHZ(200),
KHZ(250),
KHZ(500),
MHZ(1),
MHZ(2),
MHZ(4),
MHZ(8),
MHZ(12),
MHZ(16),
MHZ(24),
0
};
/* TODO: all of these should go in a device-specific struct */
uint64_t cur_sample_rate = 0;
uint64_t limit_samples = 0;
//
// main task
//
int main(void) {
#ifdef DEBUG
#if __USE_USB
usbCDC ser;
ser.connect();
#else
CSerial ser;
ser.settings(115200);
#endif
CDebug dbg(ser);
dbg.start();
#endif
/*************************************************************************
*
* your setup code here
*
**************************************************************************/
//
// Load Configuration
//
EEPROM::read(0, &config, sizeof(config));
if ( config.length!=sizeof(config) ) {
setDefault();
}
// class default I2C address is 0x68
// specific I2C addresses may be passed as a parameter here
// AD0 low = 0x68 (default for InvenSense evaluation board)
// AD0 high = 0x69
MPU6050 mpu;
// initialize device
mpu.initialize();
mpu.setRate(7);
mpu.setFullScaleGyroRange(MPU6050_GYRO_FS_250);
mpu.setFullScaleAccelRange(MPU6050_ACCEL_FS_2);
//
// check device
//
if (mpu.testConnection()) {
}
//
// H-Bridge
//
CPwm::frequency(KHZ(20));
HBridge left(PWM1, P18, P19);
HBridge right(PWM2, P22, P23);
left.enable();
right.enable();
BalanceRobot robot(mpu, left, right);
robot.start("Robot", 168, PRI_HIGH);
#ifndef DEBUG
myMenu menu(mpu, robot);
menu.start();
#endif
while (1) {
/**********************************************************************
*
* your loop code here
*
**********************************************************************/
LEDs[0] = !LEDs[0];
sleep(500);
}
return 0;