Merge pull request #6687 from dylad/fix_saml21_spi

SAML: Fix SPI SERCOM ID calculation
6 years ago · 577048db3a
parent 1468bc9d5f c24c9390e5
commit 577048db3a
1 changed files with 4 additions and 0 deletions
--- a/cpu/sam0_common/include/periph_cpu_common.h
+++ b/cpu/sam0_common/include/periph_cpu_common.h
@ -195,7 +195,11 @@ void gpio_init_mux(gpio_t pin, gpio_mux_t mux);
 */
 static inline int sercom_id(void *sercom)
 {
+#if defined(CPU_FAM_SAMD21)
    return ((((uint32_t)sercom) >> 10) & 0x7) - 2;
+#elif defined(CPU_FAM_SAML21)
+    return ((((uint32_t)sercom) >> 10) & 0x7);
+#endif
 }

 #ifdef __cplusplus