diff options
Diffstat (limited to 'libmaple/i2c.c')
| -rw-r--r-- | libmaple/i2c.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/libmaple/i2c.c b/libmaple/i2c.c index 5c8ee02..0ef8e70 100644 --- a/libmaple/i2c.c +++ b/libmaple/i2c.c @@ -32,7 +32,6 @@ #include "libmaple.h" #include "rcc.h" -#include "nvic.h" #include "gpio.h" #include "nvic.h" #include "i2c.h" @@ -302,18 +301,18 @@ void __irq_i2c2_ev(void) { * @sideeffect Aborts any pending i2c transactions */ static void i2c_irq_error_handler(i2c_dev *dev) { - uint32 sr1 = dev->regs->SR1; - uint32 sr2 = dev->regs->SR2; - I2C_CRUMB(ERROR_ENTRY, sr1, sr2); + I2C_CRUMB(ERROR_ENTRY, dev->regs->SR1, dev->regs->SR2); + dev->error_flags = dev->regs->SR2 & (I2C_SR1_BERR | + I2C_SR1_ARLO | + I2C_SR1_AF | + I2C_SR1_OVR); /* Clear flags */ dev->regs->SR1 = 0; dev->regs->SR2 = 0; i2c_stop_condition(dev); i2c_disable_irq(dev, I2C_IRQ_BUFFER | I2C_IRQ_EVENT | I2C_IRQ_ERROR); - dev->error_flags = sr2 & (I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | - I2C_SR1_OVR); dev->state = I2C_STATE_ERROR; } @@ -534,7 +533,6 @@ out: static inline int32 wait_for_state_change(i2c_dev *dev, i2c_state state, uint32 timeout) { - int32 rc; i2c_state tmp; while (1) { |