i built a little board with an stm32f405rgt6 and tried to strip down mpconfigboard.h to fit it on my hardware but when I compile I get that result.
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...
CC timer.c
CC led.c
CC pin.c
CC pin_defs_stm32.c
CC pin_named_pins.c
CC bufhelper.c
CC dma.c
CC i2c.c
CC pyb_i2c.c
In file included from ./mpconfigport.h:31,
from ../../py/mpconfig.h:62,
from ../../py/mpstate.h:31,
from ../../py/runtime.h:29,
from pyb_i2c.c:30:
pyb_i2c.c: In function 'pyb_i2c_init':
boards/BRB01/mpconfigboard.h:47:30: error: 'pin_B6' undeclared (first use in this function); did you mean 'pin_C6'?
#define MICROPY_HW_I2C1_SCL (pin_B6)
^~~~~~
pyb_i2c.c:267:19: note: in expansion of macro 'MICROPY_HW_I2C1_SCL'
scl_pin = MICROPY_HW_I2C1_SCL;
^~~~~~~~~~~~~~~~~~~
boards/BRB01/mpconfigboard.h:47:30: note: each undeclared identifier is reported only once for each function it appears in
#define MICROPY_HW_I2C1_SCL (pin_B6)
^~~~~~
pyb_i2c.c:267:19: note: in expansion of macro 'MICROPY_HW_I2C1_SCL'
scl_pin = MICROPY_HW_I2C1_SCL;
^~~~~~~~~~~~~~~~~~~
boards/BRB01/mpconfigboard.h:48:30: error: 'pin_B7' undeclared (first use in this function); did you mean 'pin_C7'?
#define MICROPY_HW_I2C1_SDA (pin_B7)
^~~~~~
pyb_i2c.c:268:19: note: in expansion of macro 'MICROPY_HW_I2C1_SDA'
sda_pin = MICROPY_HW_I2C1_SDA;
^~~~~~~~~~~~~~~~~~~
boards/BRB01/mpconfigboard.h:50:30: error: 'pin_B10' undeclared (first use in this function); did you mean 'pin_A10'?
#define MICROPY_HW_I2C2_SCL (pin_B10)
^~~~~~~
pyb_i2c.c:274:19: note: in expansion of macro 'MICROPY_HW_I2C2_SCL'
scl_pin = MICROPY_HW_I2C2_SCL;
^~~~~~~~~~~~~~~~~~~
boards/BRB01/mpconfigboard.h:51:30: error: 'pin_B11' undeclared (first use in this function); did you mean 'pin_A11'?
#define MICROPY_HW_I2C2_SDA (pin_B11)
^~~~~~~
pyb_i2c.c:275:19: note: in expansion of macro 'MICROPY_HW_I2C2_SDA'
sda_pin = MICROPY_HW_I2C2_SDA;
^~~~~~~~~~~~~~~~~~~
make: *** [../../py/mkrules.mk:77: build-BRB01/pyb_i2c.o] Fehler 1
BTW: Where are all those options described?
My mpconfigboard looks that way:
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#define MICROPY_HW_BOARD_NAME "BRBv1.1"
#define MICROPY_HW_MCU_NAME "STM32F405RG"
#define MICROPY_PY_FRAMEBUF (0)
//#define MICROPY_HW_HAS_SWITCH (1)
#define MICROPY_HW_HAS_FLASH (1)
#define MICROPY_HW_ENABLE_RNG (1)
#define MICROPY_HW_ENABLE_RTC (1)
#define MICROPY_HW_ENABLE_SERVO (1)
#define MICROPY_HW_ENABLE_DAC (1)
#define MICROPY_HW_ENABLE_USB (1)
// HSE is 12MHz
#define MICROPY_HW_CLK_PLLM (12)
#define MICROPY_HW_CLK_PLLN (336)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
#define MICROPY_HW_CLK_PLLQ (7)
#define MICROPY_HW_CLK_LAST_FREQ (1)
// The pyboard has a 32kHz crystal for the RTC
#define MICROPY_HW_RTC_USE_LSE (1)
#define MICROPY_HW_RTC_USE_US (0)
#define MICROPY_HW_RTC_USE_CALOUT (1)
// UART config
#define MICROPY_HW_UART1_NAME "XB"
#define MICROPY_HW_UART1_TX (pin_B6)
#define MICROPY_HW_UART1_RX (pin_B7)
#define MICROPY_HW_UART2_TX (pin_A2)
#define MICROPY_HW_UART2_RX (pin_A3)
#define MICROPY_HW_UART2_RTS (pin_A1)
#define MICROPY_HW_UART2_CTS (pin_A0)
#define MICROPY_HW_UART3_NAME "YB"
#define MICROPY_HW_UART3_TX (pin_B10)
#define MICROPY_HW_UART3_RX (pin_B11)
#define MICROPY_HW_UART3_RTS (pin_B14)
#define MICROPY_HW_UART3_CTS (pin_B13)
#define MICROPY_HW_UART4_NAME "XA"
#define MICROPY_HW_UART4_TX (pin_A0)
#define MICROPY_HW_UART4_RX (pin_A1)
#define MICROPY_HW_UART6_NAME "YA"
#define MICROPY_HW_UART6_TX (pin_C6)
#define MICROPY_HW_UART6_RX (pin_C7)
// I2C buses
#define MICROPY_HW_I2C1_NAME "X"
#define MICROPY_HW_I2C1_SCL (pin_B6)
#define MICROPY_HW_I2C1_SDA (pin_B7)
#define MICROPY_HW_I2C2_NAME "Y"
#define MICROPY_HW_I2C2_SCL (pin_B10)
#define MICROPY_HW_I2C2_SDA (pin_B11)
// SPI buses
#define MICROPY_HW_SPI1_NAME "X"
#define MICROPY_HW_SPI1_NSS (pin_A4) // X5
#define MICROPY_HW_SPI1_SCK (pin_A5) // X6
#define MICROPY_HW_SPI1_MISO (pin_A6) // X7
#define MICROPY_HW_SPI1_MOSI (pin_A7) // X8
#define MICROPY_HW_SPI2_NAME "Y"
#define MICROPY_HW_SPI2_NSS (pin_B12) // Y5
#define MICROPY_HW_SPI2_SCK (pin_B13) // Y6
#define MICROPY_HW_SPI2_MISO (pin_B14) // Y7
#define MICROPY_HW_SPI2_MOSI (pin_B15) // Y8
// CAN buses
#define MICROPY_HW_CAN1_NAME "YA"
#define MICROPY_HW_CAN1_TX (pin_B9) // Y4
#define MICROPY_HW_CAN1_RX (pin_B8) // Y3
#define MICROPY_HW_CAN2_NAME "YB"
#define MICROPY_HW_CAN2_TX (pin_B13) // Y6
#define MICROPY_HW_CAN2_RX (pin_B12) // Y5
// USB config
#define MICROPY_HW_USB_FS (1)
#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
#define MICROPY_HW_USB_OTG_ID_PIN (pin_A10)
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X13,Reset
X14,GND
X15,3.3V
X16,VIN
X23,A3.3V
X24,AGND
Y13,Reset
Y14,GND
Y15,3.3V
Y16,VIN
USB_VBUS,PA9
USB_ID,PA10
USB_DM,PA11
USB_DP,PA12
IO0,PC13
IO1,PC14
IO2,PC5
IO3,PC0
IO4,PC1
IO5,PC2
IO6,PC3
IO7,PB12
IO8,PB13
IO9,PB14
IO10,PB15
IO11,PC6
IO12,PC7
IO13,PC8
IO14,PC9
IO15,PA10
IO16,PA11