kaspar/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-12-28 07:51:19 +01:00
Code Releases Activity

cpu/sam0_common: remove unneeded GCLK_SLOW setup in i2c driver

Browse Source
This commit is contained in:
Dylan Laduranty 2019-01-22 09:29:42 +01:00
parent a4ad366a81
commit 5dd51f2ec5
1 changed files with 0 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
cpu/sam0_common/periph/i2c.c
View File

@ -92,23 +92,6 @@ void i2c_init(i2c_t dev)
/* I2C using CLK GEN 0 */
sercom_set_gen(bus(dev),i2c_config[dev].gclk_src);
#if defined(CPU_FAM_SAML21) || defined(CPU_FAM_SAMR30)
/* GCLK_ID_SLOW is shared for SERCOM[0..4] */
GCLK->PCHCTRL[(sercom_id(bus(dev)) < 5 ?
SERCOM0_GCLK_ID_SLOW : SERCOM5_GCLK_ID_SLOW)].reg =
(GCLK_PCHCTRL_CHEN | i2c_config[dev].gclk_src );
while (GCLK->SYNCBUSY.bit.GENCTRL) {}
#elif defined (CPU_SAML1X)
GCLK->PCHCTRL[SERCOM0_GCLK_ID_SLOW].reg = (GCLK_PCHCTRL_CHEN |
i2c_config[dev].gclk_src );
while (GCLK->SYNCBUSY.bit.GENCTRL0) {}
#else
/* GCLK_SERCOMx_SLOW is shared for all sercom */
GCLK->CLKCTRL.reg = (GCLK_CLKCTRL_CLKEN |
i2c_config[dev].gclk_src |
SERCOM0_GCLK_ID_SLOW);
while (GCLK->STATUS.bit.SYNCBUSY) {}
#endif
/* Check if module is enabled. */
if (bus(dev)->CTRLA.reg & SERCOM_I2CM_CTRLA_ENABLE) {