diff options
Diffstat (limited to 'src/atsamd/sercom.c')
| -rw-r--r-- | src/atsamd/sercom.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/atsamd/sercom.c b/src/atsamd/sercom.c index 688a492f..35c6c0dc 100644 --- a/src/atsamd/sercom.c +++ b/src/atsamd/sercom.c @@ -15,6 +15,8 @@ * Available sercom blocks ****************************************************************/ +DECL_ENUMERATION_RANGE("bus", "sercom0", 0, 8); + struct sercom_bus { Sercom *sercom; uint32_t pclk_id, pm_id; @@ -39,7 +41,7 @@ Sercom * sercom_enable_pclock(uint32_t sercom_id) { if (sercom_id >= ARRAY_SIZE(sercoms)) - shutdown("Invalid sercom bus"); + shutdown("Invalid SERCOM bus"); const struct sercom_bus *sb = &sercoms[sercom_id]; enable_pclock(sb->pclk_id, sb->pm_id); return sb->sercom; @@ -290,6 +292,9 @@ sercom_lookup_pad(uint32_t sercom_id, uint8_t pin) ****************************************************************/ enum { TX_PIN, RX_PIN, CLK_PIN }; +DECL_ENUMERATION("sercom_pin_type", "tx", TX_PIN); +DECL_ENUMERATION("sercom_pin_type", "rx", RX_PIN); +DECL_ENUMERATION("sercom_pin_type", "clk", CLK_PIN); // Runtime configuration struct sercom_pin { @@ -308,7 +313,7 @@ command_set_sercom_pin(uint32_t *args) sercom_pins[sercom_id].pins[pin_type] = pin; } DECL_COMMAND(command_set_sercom_pin, - "set_sercom_pin sercom_id=%u pin_type=%u pin=%u"); + "set_sercom_pin bus=%u sercom_pin_type=%u pin=%u"); /**************************************************************** @@ -349,6 +354,8 @@ sercom_lookup_spi_dopo(uint8_t tx_pad, uint8_t clk_pad) uint32_t sercom_spi_pins(uint32_t sercom_id) { + if (sercom_id >= ARRAY_SIZE(sercom_pins)) + shutdown("Invalid SERCOM bus"); uint8_t tx_pin = sercom_pins[sercom_id].pins[TX_PIN]; const struct sercom_pad *tx_sp = sercom_lookup_pad(sercom_id, tx_pin); uint8_t rx_pin = sercom_pins[sercom_id].pins[RX_PIN]; |