diff options
| author | Damien George | 2019-04-08 14:28:45 +1000 |
|---|---|---|
| committer | Damien George | 2019-04-08 14:28:45 +1000 |
| commit | 2c3fa4ad820c26b485da803a2de679744317ff90 (patch) | |
| tree | ced89b1313a9a3107ad3a9d7e639d2d3b0862941 | |
| parent | 643d2a0e86bd151130508171804e5ab5b1a7bd4e (diff) | |
stm32/i2cslave: Add support for H7 MCUs.
| -rw-r--r-- | ports/stm32/i2cslave.c | 2 | ||||
| -rw-r--r-- | ports/stm32/i2cslave.h | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/ports/stm32/i2cslave.c b/ports/stm32/i2cslave.c index 473f0c8c5..da165294a 100644 --- a/ports/stm32/i2cslave.c +++ b/ports/stm32/i2cslave.c @@ -60,7 +60,7 @@ void i2c_slave_ev_irq_handler(i2c_slave_t *i2c) { } } -#elif defined(STM32F7) +#elif defined(STM32F7) || defined(STM32H7) void i2c_slave_init_helper(i2c_slave_t *i2c, int addr) { i2c->CR1 = I2C_CR1_STOPIE | I2C_CR1_ADDRIE | I2C_CR1_RXIE | I2C_CR1_TXIE; diff --git a/ports/stm32/i2cslave.h b/ports/stm32/i2cslave.h index ac35c0cc8..55882acd8 100644 --- a/ports/stm32/i2cslave.h +++ b/ports/stm32/i2cslave.h @@ -33,10 +33,16 @@ typedef I2C_TypeDef i2c_slave_t; void i2c_slave_init_helper(i2c_slave_t *i2c, int addr); static inline void i2c_slave_init(i2c_slave_t *i2c, int irqn, int irq_pri, int addr) { - int en_bit = RCC_APB1ENR_I2C1EN_Pos + ((uintptr_t)i2c - I2C1_BASE) / (I2C2_BASE - I2C1_BASE); - RCC->APB1ENR |= 1 << en_bit; + int i2c_idx = ((uintptr_t)i2c - I2C1_BASE) / (I2C2_BASE - I2C1_BASE); + #if defined(STM32F4) || defined(STM32F7) + RCC->APB1ENR |= 1 << (RCC_APB1ENR_I2C1EN_Pos + i2c_idx); volatile uint32_t tmp = RCC->APB1ENR; // Delay after enabling clock (void)tmp; + #elif defined(STM32H7) + RCC->APB1LENR |= 1 << (RCC_APB1LENR_I2C1EN_Pos + i2c_idx); + volatile uint32_t tmp = RCC->APB1LENR; // Delay after enabling clock + (void)tmp; + #endif i2c_slave_init_helper(i2c, addr); |