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-rw-r--r--src/stm32/Kconfig3
-rw-r--r--src/stm32/stm32f0_i2c.c3
-rw-r--r--test/configs/stm32f031.config8
3 files changed, 10 insertions, 4 deletions
diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index dbd6ff95..037e37bb 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -211,8 +211,7 @@ config CLOCK_FREQ
config FLASH_SIZE
hex
- default 0x4000 if MACH_STM32F031
- default 0x8000 if MACH_STM32F042
+ default 0x8000 if MACH_STM32F031 || MACH_STM32F042
default 0x20000 if MACH_STM32F070 || MACH_STM32F072
default 0x10000 if MACH_STM32F103 || MACH_STM32L412 # Flash size of stm32f103x8 (64KiB)
default 0x40000 if MACH_STM32F2 || MACH_STM32F401 || MACH_STM32H723
diff --git a/src/stm32/stm32f0_i2c.c b/src/stm32/stm32f0_i2c.c
index 1441079f..597b4846 100644
--- a/src/stm32/stm32f0_i2c.c
+++ b/src/stm32/stm32f0_i2c.c
@@ -22,6 +22,8 @@ struct i2c_info {
DECL_CONSTANT_STR("BUS_PINS_i2c1_PF1_PF0", "PF1,PF0");
DECL_ENUMERATION("i2c_bus", "i2c1_PB8_PB9", 2);
DECL_CONSTANT_STR("BUS_PINS_i2c1_PB8_PB9", "PB8,PB9");
+ DECL_ENUMERATION("i2c_bus", "i2c1_PB8_PB7", 3);
+ DECL_CONSTANT_STR("BUS_PINS_i2c1_PB8_PB7", "PB8,PB7");
// Deprecated "i2c1a" style mappings
DECL_ENUMERATION("i2c_bus", "i2c1", 0);
DECL_CONSTANT_STR("BUS_PINS_i2c1", "PB6,PB7");
@@ -93,6 +95,7 @@ static const struct i2c_info i2c_bus[] = {
{ I2C1, GPIO('B', 6), GPIO('B', 7), GPIO_FUNCTION(1) },
{ I2C1, GPIO('F', 1), GPIO('F', 0), GPIO_FUNCTION(1) },
{ I2C1, GPIO('B', 8), GPIO('B', 9), GPIO_FUNCTION(1) },
+ { I2C1, GPIO('B', 8), GPIO('B', 7), GPIO_FUNCTION(1) },
#elif CONFIG_MACH_STM32F7
{ I2C1, GPIO('B', 6), GPIO('B', 7), GPIO_FUNCTION(1) },
#elif CONFIG_MACH_STM32G0
diff --git a/test/configs/stm32f031.config b/test/configs/stm32f031.config
index aa9c282b..a8c95cfe 100644
--- a/test/configs/stm32f031.config
+++ b/test/configs/stm32f031.config
@@ -1,5 +1,9 @@
-# Base config file for STM32F031 boards
+# Base config file for STM32F031x4 (16KB) boards with serial on PA14/PA15
CONFIG_MACH_STM32=y
CONFIG_MACH_STM32F031=y
-CONFIG_WANT_GPIO_BITBANGING=n
+CONFIG_LOW_LEVEL_OPTIONS=y
+CONFIG_STM32_SERIAL_USART2_ALT_PA15_PA14=y
+CONFIG_STM32_CLOCK_REF_INTERNAL=y
+CONFIG_STM32_FLASH_START_0000=y
CONFIG_WANT_DISPLAYS=n
+CONFIG_WANT_GPIO_BITBANGING=n