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Code Issues Wiki Activity

Fixed pin ownership checks for I2C.

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This commit is contained in:
mikeller 2020-05-17 12:00:56 +12:00
parent 6aeac3caa6
commit 37209b4826
2 changed files with 6 additions and 10 deletions
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9
src/main/drivers/bus_i2c_hal_init.c
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@ -287,16 +287,13 @@ void i2cInit(I2CDevice device)
i2cDevice_t *pDev = &i2cDevice[device];
const i2cHardware_t *hardware = pDev->hardware;
const IO_t scl = pDev->scl;
const IO_t sda = pDev->sda;
if (!hardware) {
if (!hardware || IOGetOwner(scl) || IOGetOwner(sda)) {
return;
}
IO_t scl = pDev->scl;
IO_t sda = pDev->sda;
RCC_ClockCmd(hardware->rcc, ENABLE);
IOInit(scl, OWNER_I2C_SCL, RESOURCE_INDEX(device));
IOInit(sda, OWNER_I2C_SDA, RESOURCE_INDEX(device));