diff options
Diffstat (limited to 'watch-library/config/hpl_sercom_config.h')
| -rw-r--r-- | watch-library/config/hpl_sercom_config.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/watch-library/config/hpl_sercom_config.h b/watch-library/config/hpl_sercom_config.h new file mode 100644 index 00000000..ad16e642 --- /dev/null +++ b/watch-library/config/hpl_sercom_config.h @@ -0,0 +1,144 @@ +/* Auto-generated config file hpl_sercom_config.h */ +#ifndef HPL_SERCOM_CONFIG_H +#define HPL_SERCOM_CONFIG_H + +// <<< Use Configuration Wizard in Context Menu >>> + +#include <peripheral_clk_config.h> + +#ifndef SERCOM_I2CM_CTRLA_MODE_I2C_MASTER +#define SERCOM_I2CM_CTRLA_MODE_I2C_MASTER (5 << 2) +#endif + +#ifndef CONF_SERCOM_1_I2CM_ENABLE +#define CONF_SERCOM_1_I2CM_ENABLE 1 +#endif + +// <h> Basic + +// <o> I2C Bus clock speed (Hz) <1-400000> +// <i> I2C Bus clock (SCL) speed measured in Hz +// <id> i2c_master_baud_rate +#ifndef CONF_SERCOM_1_I2CM_BAUD +#define CONF_SERCOM_1_I2CM_BAUD 100000 +#endif + +// </h> + +// <e> Advanced +// <id> i2c_master_advanced +#ifndef CONF_SERCOM_1_I2CM_ADVANCED_CONFIG +#define CONF_SERCOM_1_I2CM_ADVANCED_CONFIG 0 +#endif + +// <o> TRise (ns) <0-300> +// <i> Determined by the bus impedance, check electric characteristics in the datasheet +// <i> Standard Fast Mode: typical 215ns, max 300ns +// <i> Fast Mode +: typical 60ns, max 100ns +// <i> High Speed Mode: typical 20ns, max 40ns +// <id> i2c_master_arch_trise + +#ifndef CONF_SERCOM_1_I2CM_TRISE +#define CONF_SERCOM_1_I2CM_TRISE 215 +#endif + +// <q> Master SCL Low Extended Time-Out (MEXTTOEN) +// <i> This enables the master SCL low extend time-out +// <id> i2c_master_arch_mexttoen +#ifndef CONF_SERCOM_1_I2CM_MEXTTOEN +#define CONF_SERCOM_1_I2CM_MEXTTOEN 0 +#endif + +// <q> Slave SCL Low Extend Time-Out (SEXTTOEN) +// <i> Enables the slave SCL low extend time-out. If SCL is cumulatively held low for greater than 25ms from the initial START to a STOP, the slave will release its clock hold if enabled and reset the internal state machine +// <id> i2c_master_arch_sexttoen +#ifndef CONF_SERCOM_1_I2CM_SEXTTOEN +#define CONF_SERCOM_1_I2CM_SEXTTOEN 0 +#endif + +// <q> SCL Low Time-Out (LOWTOUT) +// <i> Enables SCL low time-out. If SCL is held low for 25ms-35ms, the master will release it's clock hold +// <id> i2c_master_arch_lowtout +#ifndef CONF_SERCOM_1_I2CM_LOWTOUT +#define CONF_SERCOM_1_I2CM_LOWTOUT 0 +#endif + +// <o> Inactive Time-Out (INACTOUT) +// <0x0=>Disabled +// <0x1=>5-6 SCL cycle time-out(50-60us) +// <0x2=>10-11 SCL cycle time-out(100-110us) +// <0x3=>20-21 SCL cycle time-out(200-210us) +// <i> Defines if inactivity time-out should be enabled, and how long the time-out should be +// <id> i2c_master_arch_inactout +#ifndef CONF_SERCOM_1_I2CM_INACTOUT +#define CONF_SERCOM_1_I2CM_INACTOUT 0x0 +#endif + +// <o> SDA Hold Time (SDAHOLD) +// <0=>Disabled +// <1=>50-100ns hold time +// <2=>300-600ns hold time +// <3=>400-800ns hold time +// <i> Defines the SDA hold time with respect to the negative edge of SCL +// <id> i2c_master_arch_sdahold +#ifndef CONF_SERCOM_1_I2CM_SDAHOLD +#define CONF_SERCOM_1_I2CM_SDAHOLD 0x2 +#endif + +// <q> Run in stand-by +// <i> Determine if the module shall run in standby sleep mode +// <id> i2c_master_arch_runstdby +#ifndef CONF_SERCOM_1_I2CM_RUNSTDBY +#define CONF_SERCOM_1_I2CM_RUNSTDBY 0 +#endif + +// <o> Debug Stop Mode +// <i> Behavior of the baud-rate generator when CPU is halted by external debugger. +// <0=>Keep running +// <1=>Halt +// <id> i2c_master_arch_dbgstop +#ifndef CONF_SERCOM_1_I2CM_DEBUG_STOP_MODE +#define CONF_SERCOM_1_I2CM_DEBUG_STOP_MODE 0 +#endif + +// </e> + +#ifndef CONF_SERCOM_1_I2CM_SPEED +#define CONF_SERCOM_1_I2CM_SPEED 0x00 // Speed: Standard/Fast mode +#endif +#if CONF_SERCOM_1_I2CM_TRISE < 215 || CONF_SERCOM_1_I2CM_TRISE > 300 +#warning Bad I2C Rise time for Standard/Fast mode, reset to 215ns +#undef CONF_SERCOM_1_I2CM_TRISE +#define CONF_SERCOM_1_I2CM_TRISE 215U +#endif + +// gclk_freq - (i2c_scl_freq * 10) - (gclk_freq * i2c_scl_freq * Trise) +// BAUD + BAUDLOW = -------------------------------------------------------------------- +// i2c_scl_freq +// BAUD: register value low [7:0] +// BAUDLOW: register value high [15:8], only used for odd BAUD + BAUDLOW +#define CONF_SERCOM_1_I2CM_BAUD_BAUDLOW \ + (((CONF_GCLK_SERCOM1_CORE_FREQUENCY - (CONF_SERCOM_1_I2CM_BAUD * 10U) \ + - (CONF_SERCOM_1_I2CM_TRISE * (CONF_SERCOM_1_I2CM_BAUD / 100U) * (CONF_GCLK_SERCOM1_CORE_FREQUENCY / 10000U) \ + / 1000U)) \ + * 10U \ + + 5U) \ + / (CONF_SERCOM_1_I2CM_BAUD * 10U)) +#ifndef CONF_SERCOM_1_I2CM_BAUD_RATE +#if CONF_SERCOM_1_I2CM_BAUD_BAUDLOW > (0xFF * 2) +#warning Requested I2C baudrate too low, please check +#define CONF_SERCOM_1_I2CM_BAUD_RATE 0xFF +#elif CONF_SERCOM_1_I2CM_BAUD_BAUDLOW <= 1 +#warning Requested I2C baudrate too high, please check +#define CONF_SERCOM_1_I2CM_BAUD_RATE 1 +#else +#define CONF_SERCOM_1_I2CM_BAUD_RATE \ + ((CONF_SERCOM_1_I2CM_BAUD_BAUDLOW & 0x1) \ + ? (CONF_SERCOM_1_I2CM_BAUD_BAUDLOW / 2) + ((CONF_SERCOM_1_I2CM_BAUD_BAUDLOW / 2 + 1) << 8) \ + : (CONF_SERCOM_1_I2CM_BAUD_BAUDLOW / 2)) +#endif +#endif + +// <<< end of configuration section >>> + +#endif // HPL_SERCOM_CONFIG_H |