void takemeasurement(uint8_t * inbuf, uint8_t * outbuf)
{
// Start single measurement mode
outbuf[0] = 62; // 0011zyxt
send_SPI(inbuf, 1, outbuf, 1);
//dbg_uartout(inbuf, outbuf, msg);
while(!HAL_GPIO_ReadPin(COMP_INT_P, COMP_INT));
//Read measurement
outbuf[0] = 78;
send_SPI(inbuf, 7, outbuf, 1);
//dbg_uartout(inbuf, outbuf, msg);
}
uint32_t get_TI_CDCE18005(enum CDCE18005 which_register){
uint32_t get_reg_value = 0;
get_reg_value = (0xf0 & which_register << 4) | Read_Command;
// This tells the TI chip to send us the reg. value requested
send_SPI(get_reg_value);
return receive_SPI();
}
void ledMatrix(void)
{
static tU32 columnCounter = 0x01;
static tU8 index = 0;
if (columnCounter > 0x80)
{
columnCounter = 0x01;
index = 0;
}
send_SPI(~pattern[index++]);
send_SPI(~columnCounter);
columnCounter <<= 1;
T1IR = 0xff; //reset all IRQ flags
VICVectAddr = 0x00; //dummy write to VIC to signal end of interrupt
}
void setup_TI_CDCE18005(enum TI_Input_10_MHz which_input) {
// Send the table of data to init the clock distribution chip. Uses SPI.
uint32_t temp;
if(which_input == Primary_GPS) {
for(uint8_t i=0; i<table_size; i++){
temp = table_Pri_Ref[i]<<4;
temp |= i;
send_SPI(temp); // Make sure the register's address is in the LSBs
}
} else {
// is Secondary_Ext -- External 10 MHz input from SMA connector
for(uint8_t i=0; i<table_size; i++){
temp = table_Sec_Ref[i]<<4;
temp |= i;
// Make sure the register's address is in the LSBs
send_SPI(temp);
}
}
}
void timer_callback(void)
{
uint8 data[3];
data[0] = 'a';
data[1] = 'b';
data[2] = 'c';
//send some SPI data
send_SPI(SPI_CH_1, data, sizeof(data));
}
int getData(char port)
{
unsigned char d[2];
char t = 0;
*d = 0x0000;
PEOUT ^= 0x80;
send_SPI(port); // Channel 3 - vRef
t=100; while(--t); // Delay >5us
read_SPI(&d);
PEOUT = 0xFF;
return (int)*d;
}
void test_SPI()
{
char t = 0;
unsigned char d[2];
d[0] = 0x00;
d[1] = 0x00;
PEOUT ^= 0x80;
send_SPI(0x1A); // Channel 3 - vRef
waitForFullBuf();
//t=0xFF; while(--t); // Delay >5us
read_SPI(&d);
writeData(d[0], d[1], d[0]);
PEOUT = 0xFF;
}
/* USER CODE BEGIN 4 */
void StartCompassTask(void const * argument)
{
uint8_t inbuf[7];
uint8_t outbuf[2];
int16_t xyz[3];
int16_t minmaxxyz[6]; // xmin xmax ymin ymax zmin zmax
int16_t angle;
uint8_t * msg = malloc(10);
// Reset: 11110000 = 0xf0
outbuf[0] = 0xf0;
send_SPI(inbuf, 1, outbuf, 1);
dbg_uartout(inbuf, outbuf, msg);
calibrate(inbuf, outbuf, xyz, minmaxxyz);
/*
// Read register 0
outbuf[0] = 80;
outbuf[1] = 0 << 2;
send_SPI(inbuf, 3, outbuf, 2);
dbg_uartout(inbuf, outbuf, msg);
*/
/* Infinite loop */
for(;;)
{
takemeasurement(inbuf, outbuf);
processInput(inbuf, xyz, minmaxxyz);
getAngle(&angle, xyz);
compass_uart(xyz, msg, &angle);
osDelay(100); // replace w/sleep
}
#pragma GCC pop_options
}
/** Sends and receives data through the SPI interface
*
* @param data Data to be send through the SPI interface
*
* @return Data received through the SPI interface
* */
word tranfer_SPI(word data){
send_SPI(data); /* Send data */
return get_SPI(); /* Receive data */
}
void set_TI_CDCE18005(CDCE18005 which_register, uint32_t bits){
send_SPI((bits << 4) | which_register);
}
