diff options
| -rw-r--r-- | src/atsamd/i2c.c | 6 | ||||
| -rw-r--r-- | src/atsamd/spi.c | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/src/atsamd/i2c.c b/src/atsamd/i2c.c index 89b190fa..e5e0a379 100644 --- a/src/atsamd/i2c.c +++ b/src/atsamd/i2c.c @@ -16,10 +16,10 @@ static void i2c_init(uint32_t bus, SercomI2cm *si) { - static int have_run_init[8]; - if (have_run_init[bus]) + static uint8_t have_run_init; + if (have_run_init & (1<<bus)) return; - have_run_init[bus] = 1; + have_run_init |= 1<<bus; // Configure i2c si->CTRLA.reg = 0; diff --git a/src/atsamd/spi.c b/src/atsamd/spi.c index 4bf281bc..96125d5b 100644 --- a/src/atsamd/spi.c +++ b/src/atsamd/spi.c @@ -13,10 +13,10 @@ void spi_init(uint32_t bus, SercomSpi *ss, uint32_t ctrla, uint32_t baud) { - static int have_run_init[8]; - if (have_run_init[bus]) + static uint8_t have_run_init; + if (have_run_init & (1<<bus)) return; - have_run_init[bus] = 1; + have_run_init |= 1<<bus; ss->CTRLA.reg = 0; ss->CTRLA.reg = ctrla & ~SERCOM_SPI_CTRLA_ENABLE; |