8000 stm32/boards: Fix I2C1 pin mapping on NUCLEO_F401RE/F411RE boards. · devmonkZA/micropython@069fc48 · GitHub
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stm32/boards: Fix I2C1 pin mapping on NUCLEO_F401RE/F411RE boards.
This patch makes it consistent with the STM document describing the Arduino layout. Thanks to @shaoziyang for the original patch.
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‎ports/stm32/boards/NUCLEO_F401RE/mpconfigboard.h

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -22,8 +22,8 @@
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#define MICROPY_HW_UART_REPL_BAUD 115200
2323

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// I2C busses
25-
#define MICROPY_HW_I2C1_SCL (pin_B6) // Arduino D10, pin 17 on CN10
26-
#define MICROPY_HW_I2C1_SDA (pin_B7) // pin 21 on CN7
25+
#define MICROPY_HW_I2C1_SCL (pin_B8) // Arduino D15, pin 3 on CN10
26+
#define MICROPY_HW_I2C1_SDA (pin_B9) // D14, pin 5 on CN10
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#define MICROPY_HW_I2C2_SCL (pin_B10) // Arduino D6, pin 25 on CN10
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#define MICROPY_HW_I2C2_SDA (pin_B3) // Arduino D3, pin 31 on CN10
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#define MICROPY_HW_I2C3_SCL (pin_A8) // Arduino D7, pin 23 on CN10

‎ports/stm32/boards/NUCLEO_F411RE/mpconfigboard.h

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -22,8 +22,8 @@
2222
#define MICROPY_HW_UART_REPL_BAUD 115200
2323

2424
// I2C busses
25-
#define MICROPY_HW_I2C1_SCL (pin_B6) // Arduino D10, pin 17 on CN10
26-
#define MICROPY_HW_I2C1_SDA (pin_B7) // pin 21 on CN7
25+
#define MICROPY_HW_I2C1_SCL (pin_B8) // Arduino D15, pin 3 on CN10
26+
#define MICROPY_HW_I2C1_SDA (pin_B9) // D14, pin 5 on CN10
2727
#define MICROPY_HW_I2C2_SCL (pin_B10) // Arduino D6, pin 25 on CN10
2828
#define MICROPY_HW_I2C2_SDA (pin_B3) // Arduino D3, pin 31 on CN10
2929
#define MICROPY_HW_I2C3_SCL (pin_A8) // Arduino D7, pin 23 on CN10

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