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w.i.p. SPI, left to add: pin mappings, UU functions

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MightyPork
2018-01-04 23:58:53 +01:00
parent 645619e9c5
commit 83c2f26c43
5 changed files with 478 additions and 12 deletions
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units/i2c/unit_i2c.c
+10 -10
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@@ -194,23 +194,23 @@ static error_t UI2C_init(Unit *unit)
TRY(rsc_claim(unit, r_scl));
priv->port = port2periph(portname, &suc);
uint32_t ll_pin_scl = pin2ll(pin_scl, &suc);
uint32_t ll_pin_sda = pin2ll(pin_sda, &suc);
priv->ll_pin_scl = pin2ll(pin_scl, &suc);
priv->ll_pin_sda = pin2ll(pin_sda, &suc);
if (!suc) return E_BAD_CONFIG;
// configure AF
if (pin_scl < 8) LL_GPIO_SetAFPin_0_7(priv->port, ll_pin_scl, af_i2c);
else LL_GPIO_SetAFPin_8_15(priv->port, ll_pin_scl, af_i2c);
if (pin_scl < 8) LL_GPIO_SetAFPin_0_7(priv->port, priv->ll_pin_scl, af_i2c);
else LL_GPIO_SetAFPin_8_15(priv->port, priv->ll_pin_scl, af_i2c);
if (pin_sda < 8) LL_GPIO_SetAFPin_0_7(priv->port, ll_pin_sda, af_i2c);
else LL_GPIO_SetAFPin_8_15(priv->port, ll_pin_sda, af_i2c);
if (pin_sda < 8) LL_GPIO_SetAFPin_0_7(priv->port, priv->ll_pin_sda, af_i2c);
else LL_GPIO_SetAFPin_8_15(priv->port, priv->ll_pin_sda, af_i2c);
LL_GPIO_SetPinMode(priv->port, ll_pin_scl, LL_GPIO_MODE_ALTERNATE);
LL_GPIO_SetPinMode(priv->port, ll_pin_sda, LL_GPIO_MODE_ALTERNATE);
LL_GPIO_SetPinMode(priv->port, priv->ll_pin_scl, LL_GPIO_MODE_ALTERNATE);
LL_GPIO_SetPinMode(priv->port, priv->ll_pin_sda, LL_GPIO_MODE_ALTERNATE);
// set as OpenDrain (this may not be needed - TODO check)
LL_GPIO_SetPinOutputType(priv->port, ll_pin_scl, LL_GPIO_OUTPUT_OPENDRAIN);
LL_GPIO_SetPinOutputType(priv->port, ll_pin_sda, LL_GPIO_OUTPUT_OPENDRAIN);
LL_GPIO_SetPinOutputType(priv->port, priv->ll_pin_scl, LL_GPIO_OUTPUT_OPENDRAIN);
LL_GPIO_SetPinOutputType(priv->port, priv->ll_pin_sda, LL_GPIO_OUTPUT_OPENDRAIN);
if (priv->periph_num == 1) {