![](/media/cache/profiles/Timo_01_DSC_4754_533x533.jpg.50x50_q85.jpg)
ST Microelectronics IHM02A1 motor driver board for two stepping motors. ST L647OPD motion controller ICs are used on the IHM02A1. Nanotec ST4118X1404-A motors used on testing.
Dependencies: X_NUCLEO_IHM02A1
Diff: main.cpp
- Revision:
- 2:41eeee48951b
- Parent:
- 1:9f1974b0960d
- Child:
- 3:fd280b953f77
diff -r 9f1974b0960d -r 41eeee48951b main.cpp --- a/main.cpp Wed Nov 25 12:00:34 2015 +0000 +++ b/main.cpp Thu Nov 26 16:24:52 2015 +0000 @@ -1,7 +1,7 @@ /** ****************************************************************************** * @file main.cpp - * @author Davide Aliprandi / AST + * @author Davide Aliprandi, STMicrolectronics * @version V1.0.0 * @date November 4th, 2015 * @brief mbed test application for the STMicrolectronics X-NUCLEO-IHM02A1 @@ -76,12 +76,23 @@ { /*----- Initialization. -----*/ + /* Initializing SPI bus. */ + DevSPI dev_spi(D11, D12, D13); - /* Initializing SPI bus. */ - DevSPI dev_spi(D11, D12, D3); + /* Initializing Motor Control Expansion Board. + + You can stack up to 4 expansion boards together, each one controlling + two stepper motors in daisy-chain configuration, so that motors will + be in daisy-chain configuration two-by-two. - /* Initializing Motor Control Expansion Board. */ - x_nucleo_ihm02a1 = X_NUCLEO_IHM02A1::Instance(A4, A5, D4, A2, &dev_spi); + Concerning the SSEL pin of SPI communication, expansion boards must + be in one of the following configurations: + + SB_23 resistor connected only --> SSEL on pin A2; + + SB_7 resistor connected only --> SSEL on pin D2; + + SB_8 resistor connected only --> SSEL on pin D10; + + SB_9 resistor connected only --> SSEL on pin D5. + */ + x_nucleo_ihm02a1 = new X_NUCLEO_IHM02A1(A4, A5, D4, A2, &dev_spi); /* Building a list of motor control components. */ L6470 **motors = x_nucleo_ihm02a1->GetComponents();