nucleo-f302r8: add FOC example based on IHM07M1 expansion board

2026-06-04 14:53:47 +08:00 · 2021-03-03 20:49:12 +01:00
parent 3543ac95bf
commit 0186ec1e05
8 changed files with 519 additions and 0 deletions
@@ -24,3 +24,67 @@ Variants include
  NUCLEO-L152RE STM32L152RET6
  NUCLEO-L452RE STM32L452RET6
  NUCLEO-L476RG STM32L476RGT6
+
+Configurations
+==============
+
+  ihm07m1_f32 and ihm07m1_b16:
+  ----------------------------
+
+    These examples are dedicated for the X-NUCLEO-IHM07M1 expansion board
+    based on L6230 DMOS driver for three-phase brushless DC motors.
+
+    X-NUCLEO-IHM07M1 must be configured to work with FOC and 3-shunt
+    resistors. See ST documentation for details.
+
+    Pin configuration for the X-NUCLEO-IHM07M1 (TIM1 configuration):
+
+    Board Function   Chip Function      Chip Pin Number
+    -------------   ----------------   -----------------
+    Phase U high     TIM1_CH1           PA8
+    Phase U enable   GPIO_PC10          PC10
+    Phase V high     TIM1_CH2           PA9
+    Phase V enable   GPIO_PC11          PC11
+    Phase W high     TIM1_CH3           PA10
+    Phase W enable   GPIO_PC12          PC12
+    DIAG/EN          GPIO_PA11          PA11
+    Current U        ADC1_IN1           PA0
+    Current V        ADC1_IN7           PC1
+    Current W        ADC1_IN6           PC0
+    Temperature      ADC1_IN8           PC2
+    VBUS             ADC1_IN2           PA1
+    BEMF1            (NU)               PC3
+    BEMF2            (NU)               PB0
+    BEMF3            (NU)               PA7
+    LED              GPIO_PB2           PB2
+    +3V3 (CN7_16)
+    GND (CN7_20)
+    GPIO_BEMF        (NU)               PC9
+    ENCO_A/HALL_H1   TIM2_CH1           PA15
+    ENCO_B/HALL_H2   TIM2_CH2           PB3
+    ENCO_Z/HALL_H3   TIM2_CH3           PB10
+    GPIO1            (NU)               PB13
+    GPIO2            (NU)               PB5
+    GPIO3            (NU)               PA5
+    CPOUT            (NU)               PA12
+    BKIN1            (NU)               PB14
+    POT              ADC1_IN12          PB1
+    CURR_REF         (NU)               PB4
+    DAC              DAC1_CH1           PA4
+    DEBUG0           GPIO               PB8
+    DEBUG1           GPIO               PB9
+    DEBUG2           GPIO               PC6
+    DEBUG3           GPIO               PC5
+    DEBUG4           GPIO               PC8
+
+    Current shunt resistance              = 0.33
+    Current sense gain                    = -1.53 (inverted current)
+    Vbus sense gain = 9.31k/(9.31k+169k)  = 0.0522124390107
+    Vbus min                              = 8V
+    Vbus max                              = 48V
+    Iout max                              = 1.4A RMS
+
+    IPHASE_RATIO = 1/(R_shunt*gain) = -1.98
+    VBUS_RATIO   = 1/VBUS_gain      = 19.152
+
+    For now only 3-shunt resistors configuration is supported.