diff options
| -rw-r--r-- | src/rp2040/i2c.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/rp2040/i2c.c b/src/rp2040/i2c.c index 8a32417b..84b627ce 100644 --- a/src/rp2040/i2c.c +++ b/src/rp2040/i2c.c @@ -159,6 +159,20 @@ i2c_do_write(i2c_hw_t *i2c, uint8_t addr, uint8_t write_len, uint8_t *write if (!timer_is_before(timer_read_time(), timeout)) shutdown("i2c timeout"); } + + if (i2c->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_ABRT_BITS) { + uint32_t abort_source = i2c->tx_abrt_source; + if (abort_source & I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS) + { + i2c->clr_tx_abrt; + shutdown("i2c Start NACK"); + } + if (abort_source & I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_BITS) + { + i2c->clr_tx_abrt; + shutdown("i2c NACK"); + } + } } static void @@ -186,6 +200,14 @@ i2c_do_read(i2c_hw_t *i2c, uint8_t addr, uint8_t read_len, uint8_t *read *read++ = i2c->data_cmd & 0xFF; have_read++; } + + if (i2c->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_ABRT_BITS) { + uint32_t abort_source = i2c->tx_abrt_source; + if (abort_source & I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS) { + i2c->clr_tx_abrt; + shutdown("i2c Start Read NACK"); + } + } } } |