Chen Wei Ting
/
middleyuan
read EMG, IMU, encoder
Fork of LSM9DS1_project by
Diff: AS5145.cpp
- Revision:
- 1:b1562831bbaf
- Child:
- 2:c889fecf9afe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AS5145.cpp Wed Dec 20 15:45:02 2017 +0000 @@ -0,0 +1,43 @@ +#include"AS5145.h" + +SPI spi(PB_15,PB_14,PB_13); +SPI spi2(PC_12,PC_11,PC_10); +DigitalOut CS(PB_1); +DigitalOut CS2(PA_14); + +int position[2] = {0,0}; +int position_old[2] = {0,0}; +short low_byte = 0x00; +short high_byte = 0x00; + +bool AS5145_begin(void) +{ + spi.format(8,3); + spi.frequency(1000000); + CS = 1; + spi2.format(8,3); + spi2.frequency(1000000); + CS2 = 1; + return true; +} +void ReadValue(void) +{ + CS = 0; + low_byte = spi.write(0x00); + high_byte = spi.write(0x00); + wait_us(1); + CS = 1; + position[0] = (low_byte << 8 | high_byte) >> 3; + CS2 = 0; + low_byte = spi2.write(0x00); + high_byte = spi2.write(0x00); + wait_us(1); + CS2 = 1; + position[1] = (low_byte << 8 | high_byte) >> 3; + if(position[0] > 4096) + position[0] = position_old[0]; + position_old[0] = position[0]; + if(position[1] > 4096) + position[1] = position_old[1]; + position_old[1] = position[1]; +} \ No newline at end of file