diff options
Diffstat (limited to 'ports/stm32/i2cslave.h')
| -rw-r--r-- | ports/stm32/i2cslave.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ports/stm32/i2cslave.h b/ports/stm32/i2cslave.h index 55882acd8..f335c9291 100644 --- a/ports/stm32/i2cslave.h +++ b/ports/stm32/i2cslave.h @@ -28,6 +28,11 @@ #include STM32_HAL_H +#if !defined(I2C2_BASE) +// This MCU doesn't have I2C2_BASE, define it so that the i2c_idx calculation works. +#define I2C2_BASE (I2C1_BASE + ((I2C3_BASE - I2C1_BASE) / 2)) +#endif + typedef I2C_TypeDef i2c_slave_t; void i2c_slave_init_helper(i2c_slave_t *i2c, int addr); @@ -42,6 +47,10 @@ static inline void i2c_slave_init(i2c_slave_t *i2c, int irqn, int irq_pri, int a RCC->APB1LENR |= 1 << (RCC_APB1LENR_I2C1EN_Pos + i2c_idx); volatile uint32_t tmp = RCC->APB1LENR; // Delay after enabling clock (void)tmp; + #elif defined(STM32WB) + RCC->APB1ENR1 |= 1 << (RCC_APB1ENR1_I2C1EN_Pos + i2c_idx); + volatile uint32_t tmp = RCC->APB1ENR1; // Delay after enabling clock + (void)tmp; #endif i2c_slave_init_helper(i2c, addr); |