[BSP][imxrt1052] add baudrate options, Delete simulate i2c .
This commit is contained in:
parent
388e426758
commit
071c2d3f50
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@ -267,56 +267,64 @@ menu "Select spi bus and dev drivers"
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depends on RT_USING_SPI_FLASH
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endmenu
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menu "Select i2c bus drivers"
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menu "Select iic bus drivers"
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config LPI2C_CLOCK_SOURCE_DIVIDER
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int "lpi2c bus clock source divider"
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range 1 64
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default 4
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config RT_USING_I2C1
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bool "USING I2C1"
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config RT_USING_HW_I2C1
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bool "using hardware i2c1"
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select RT_USING_I2C
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default y
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if RT_USING_I2C1
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config RT_USING_I2C1_BITOPS
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select RT_USING_I2C_BITOPS
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default n
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bool "using simulate I2C1"
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endif
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config RT_USING_I2C2
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bool "USING I2C2"
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choice
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prompt "i2c1 bus badurate choice"
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default HW_I2C1_BADURATE_100kHZ
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depends on RT_USING_HW_I2C1
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config HW_I2C1_BADURATE_100kHZ
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bool "100kHZ"
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config HW_I2C1_BADURATE_400kHZ
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bool "400kHZ"
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endchoice
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config RT_USING_HW_I2C2
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bool "using hardware i2c2"
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select RT_USING_I2C
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default n
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if RT_USING_I2C2
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config RT_USING_I2C2_BITOPS
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select RT_USING_I2C_BITOPS
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default n
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bool "using simulate I2C2"
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endif
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config RT_USING_I2C3
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bool "USING I2C3"
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choice
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prompt "i2c2 bus badurate choice"
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default HW_I2C2_BADURATE_100kHZ
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depends on RT_USING_HW_I2C2
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config HW_I2C2_BADURATE_100kHZ
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bool "100kHZ"
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config HW_I2C2_BADURATE_400kHZ
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bool "400kHZ"
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endchoice
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config RT_USING_HW_I2C3
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bool "using hardware i2c3"
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select RT_USING_I2C
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default n
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if RT_USING_I2C3
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config RT_USING_I2C3_BITOPS
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select RT_USING_I2C_BITOPS
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default n
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bool "using simulate I2C3"
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endif
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config RT_USING_I2C4
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bool "USING I2C4"
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choice
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prompt "i2c3 bus badurate choice"
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default HW_I2C3_BADURATE_100kHZ
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depends on RT_USING_HW_I2C3
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config HW_I2C3_BADURATE_100kHZ
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bool "100kHZ"
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config HW_I2C3_BADURATE_400kHZ
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bool "400kHZ"
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endchoice
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config RT_USING_HW_I2C4
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bool "using hardware i2c4"
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select RT_USING_I2C
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default n
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if RT_USING_I2C4
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config RT_USING_I2C4_BITOPS
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select RT_USING_I2C_BITOPS
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default n
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bool "using simulate I2C4"
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endif
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choice
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prompt "i2c4 bus badurate choice"
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default HW_I2C4_BADURATE_100kHZ
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depends on RT_USING_HW_I2C4
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config HW_I2C4_BADURATE_100kHZ
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bool "100kHZ"
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config HW_I2C4_BADURATE_400kHZ
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bool "400kHZ"
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endchoice
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endmenu
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menu "Select lcd driver"
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@ -38,140 +38,44 @@
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#define I2C3BUS_NAME "i2c3"
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#define I2C4BUS_NAME "i2c4"
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#define LPI2C_CLOCK_SOURCE_DIVIDER 4
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/* Get frequency of lpi2c clock */
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#define LPI2C_CLOCK_FREQUENCY ((CLOCK_GetFreq(kCLOCK_Usb1PllClk) / 8) / (LPI2C_CLOCK_SOURCE_DIVIDER + 1U))
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#define LPI2C_CLOCK_FREQUENCY ((CLOCK_GetFreq(kCLOCK_Usb1PllClk) / 8) / (LPI2C_CLOCK_SOURCE_DIVIDER))
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#if defined(RT_USING_I2C_BITOPS) && (defined(RT_USING_I2C1_BITOPS) || defined(RT_USING_I2C2_BITOPS) || \
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defined(RT_USING_I2C3_BITOPS) || defined(RT_USING_I2C4_BITOPS))
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struct rt1052_i2c_bit_data
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{
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struct
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{
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GPIO_Type *base;
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uint32_t pin;
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} scl, sda;
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};
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static void gpio_udelay(rt_uint32_t us)
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{
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volatile rt_int32_t i;
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for (; us > 0; us--)
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{
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i = 100;
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while (i--);
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}
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}
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static void gpio_set_input(GPIO_Type *base, uint32_t pin)
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{
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if (base->GDIR & (1 << pin))
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{
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base->GDIR &= ~(1 << pin);
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gpio_udelay(5);
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}
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}
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static void gpio_set_output(GPIO_Type *base, uint32_t pin)
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{
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if (!(base->GDIR & (1 << pin)))
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{
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base->GDIR |= (1 << pin);
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gpio_udelay(5);
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}
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}
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static void gpio_set_sda(void *data, rt_int32_t state)
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{
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struct rt1052_i2c_bit_data *bd = data;
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gpio_set_output(bd->sda.base, bd->sda.pin);
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GPIO_PinWrite(bd->sda.base, bd->sda.pin, !!state);
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}
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static void gpio_set_scl(void *data, rt_int32_t state)
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{
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struct rt1052_i2c_bit_data *bd = data;
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gpio_set_output(bd->scl.base, bd->scl.pin);
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GPIO_PinWrite(bd->scl.base, bd->scl.pin, !!state);
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}
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static rt_int32_t gpio_get_sda(void *data)
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{
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struct rt1052_i2c_bit_data *bd = data;
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gpio_set_input(bd->sda.base, bd->sda.pin);
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return GPIO_ReadPinInput(bd->sda.base, bd->sda.pin);
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}
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static rt_int32_t gpio_get_scl(void *data)
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{
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struct rt1052_i2c_bit_data *bd = data;
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gpio_set_input(bd->scl.base, bd->scl.pin);
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return GPIO_ReadPinInput(bd->scl.base, bd->scl.pin);
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}
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#endif
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#ifdef RT_USING_I2C1
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#ifdef RT_USING_I2C1_BITOPS
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#else
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#ifdef RT_USING_HW_I2C1
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static struct rt1052_i2c_bus lpi2c1 =
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{
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.I2C = LPI2C1,
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.device_name = I2C1BUS_NAME,
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};
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#endif /* RT_USING_I2C1_BITOPS */
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#endif /* RT_USING_I2C1 */
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#endif /* RT_USING_HW_I2C1 */
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#ifdef RT_USING_I2C2
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#ifdef RT_USING_I2C2_BITOPS
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#else
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#ifdef RT_USING_HW_I2C2
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static struct rt1052_i2c_bus lpi2c2 =
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{
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.I2C = LPI2C2,
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.device_name = I2C2BUS_NAME,
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};
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#endif /* RT_USING_I2C2_BITOPS */
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#endif /* RT_USING_I2C2 */
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#endif /* RT_USING_HW_I2C2 */
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#ifdef RT_USING_I2C3
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#ifdef RT_USING_I2C3_BITOPS
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#else
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#ifdef RT_USING_HW_I2C3
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static struct rt1052_i2c_bus lpi2c3 =
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{
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.I2C = LPI2C3,
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.device_name = I2C3BUS_NAME,
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};
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#endif /* RT_USING_HW_I2C3 */
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#endif /* RT_USING_I2C3_BITOPS */
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#endif /* RT_USING_I2C3 */
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#ifdef RT_USING_I2C4
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#ifdef RT_USING_I2C4_BITOPS
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#else
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#ifdef RT_USING_HW_I2C4
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static struct rt1052_i2c_bus lpi2c4 =
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{
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.I2C = LPI2C4,
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.device_name = I2C4BUS_NAME,
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};
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#endif /* RT_USING_I2C1_BITOPS */
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#endif /* RT_USING_HW_I2C4 */
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#endif /* RT_USING_I2C4 */
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#if (defined(RT_USING_I2C1) || defined(RT_USING_I2C2) || \
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defined(RT_USING_I2C3) || defined(RT_USING_I2C4))
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#if (defined(RT_USING_HW_I2C1) || defined(RT_USING_HW_I2C2) || defined(RT_USING_HW_I2C3) || defined(RT_USING_HW_I2C4))
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static rt_size_t imxrt_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
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struct rt_i2c_msg msgs[],
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@ -190,9 +94,6 @@ static const struct rt_i2c_bus_device_ops imxrt_i2c_ops =
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imxrt_i2c_bus_control,
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};
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#if !defined(RT_USING_I2C_BITOPS) || (!defined(RT_USING_I2C1_BITOPS) || !defined(RT_USING_I2C2_BITOPS) || \
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!defined(RT_USING_I2C3_BITOPS) || !defined(RT_USING_I2C4_BITOPS))
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void imxrt_lpi2c_gpio_init(struct rt1052_i2c_bus *bus)
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{
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if (bus->I2C == LPI2C1)
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@ -272,15 +173,85 @@ static rt_err_t imxrt_lpi2c_configure(struct rt1052_i2c_bus *bus, lpi2c_master_c
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return RT_EOK;
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}
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#endif
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status_t LPI2C_MasterCheck(LPI2C_Type *base, uint32_t status)
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{
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status_t result = kStatus_Success;
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/* Check for error. These errors cause a stop to automatically be sent. We must */
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/* clear the errors before a new transfer can start. */
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status &= 0x3c00;
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if (status)
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{
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/* Select the correct error code. Ordered by severity, with bus issues first. */
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if (status & kLPI2C_MasterPinLowTimeoutFlag)
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{
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result = kStatus_LPI2C_PinLowTimeout;
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}
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else if (status & kLPI2C_MasterArbitrationLostFlag)
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{
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result = kStatus_LPI2C_ArbitrationLost;
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}
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else if (status & kLPI2C_MasterNackDetectFlag)
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{
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result = kStatus_LPI2C_Nak;
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}
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else if (status & kLPI2C_MasterFifoErrFlag)
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{
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result = kStatus_LPI2C_FifoError;
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}
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else
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{
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assert(false);
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}
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/* Clear the flags. */
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LPI2C_MasterClearStatusFlags(base, status);
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/* Reset fifos. These flags clear automatically. */
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base->MCR |= LPI2C_MCR_RRF_MASK | LPI2C_MCR_RTF_MASK;
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}
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return result;
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}
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/*!
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* @brief Wait until the tx fifo all empty.
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* @param base The LPI2C peripheral base address.
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* @retval #kStatus_Success
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* @retval #kStatus_LPI2C_PinLowTimeout
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* @retval #kStatus_LPI2C_ArbitrationLost
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* @retval #kStatus_LPI2C_Nak
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* @retval #kStatus_LPI2C_FifoError
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*/
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static status_t LPI2C_MasterWaitForTxFifoAllEmpty(LPI2C_Type *base)
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{
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uint32_t status;
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size_t txCount;
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do
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{
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status_t result;
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/* Get the number of words in the tx fifo and compute empty slots. */
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LPI2C_MasterGetFifoCounts(base, NULL, &txCount);
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/* Check for error flags. */
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status = LPI2C_MasterGetStatusFlags(base);
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result = LPI2C_MasterCheck(base, status);
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if (result)
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{
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return result;
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}
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}
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while (txCount);
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return kStatus_Success;
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}
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static rt_size_t imxrt_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
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struct rt_i2c_msg msgs[],
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rt_uint32_t num)
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{
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struct rt1052_i2c_bus *rt1052_i2c;
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rt_uint32_t numbak;
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rt_uint16_t i;
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rt_size_t i;
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RT_ASSERT(bus != RT_NULL);
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rt1052_i2c = (struct rt1052_i2c_bus *) bus;
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@ -293,8 +264,22 @@ static rt_size_t imxrt_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
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{
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if (rt1052_i2c->msg[i].flags & RT_I2C_RD)
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{
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LPI2C_MasterStart(rt1052_i2c->I2C, rt1052_i2c->msg[i].addr, kLPI2C_Read);
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if (LPI2C_MasterReceive(rt1052_i2c->I2C, rt1052_i2c->msg[i].buf, rt1052_i2c->msg[i].len) == kStatus_LPI2C_Nak)
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if (LPI2C_MasterStart(rt1052_i2c->I2C, rt1052_i2c->msg[i].addr, kLPI2C_Read) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterWaitForTxFifoAllEmpty(rt1052_i2c->I2C) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterReceive(rt1052_i2c->I2C, rt1052_i2c->msg[i].buf, rt1052_i2c->msg[i].len) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterWaitForTxFifoAllEmpty(rt1052_i2c->I2C) != kStatus_Success)
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{
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i = 0;
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break;
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@ -302,25 +287,41 @@ static rt_size_t imxrt_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
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}
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else
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{
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LPI2C_MasterStart(rt1052_i2c->I2C, rt1052_i2c->msg[i].addr, kLPI2C_Write);
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if (LPI2C_MasterSend(rt1052_i2c->I2C, rt1052_i2c->msg[i].buf, rt1052_i2c->msg[i].len) == kStatus_LPI2C_Nak)
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if (LPI2C_MasterStart(rt1052_i2c->I2C, rt1052_i2c->msg[i].addr, kLPI2C_Write) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterWaitForTxFifoAllEmpty(rt1052_i2c->I2C) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterSend(rt1052_i2c->I2C, rt1052_i2c->msg[i].buf, rt1052_i2c->msg[i].len) != kStatus_Success)
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{
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i = 0;
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break;
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}
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if (LPI2C_MasterWaitForTxFifoAllEmpty(rt1052_i2c->I2C) != kStatus_Success)
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{
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i = 0;
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break;
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}
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}
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}
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i2c_dbg("send stop condition\n");
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LPI2C_MasterStop(rt1052_i2c->I2C);
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if (LPI2C_MasterStop(rt1052_i2c->I2C) != kStatus_Success)
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{
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i = 0;
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}
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numbak = i;
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rt1052_i2c->msg = RT_NULL;
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rt1052_i2c->msg_ptr = 0;
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rt1052_i2c->msg_cnt = 0;
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rt1052_i2c->dptr = 0;
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return numbak;
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return i;
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}
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static rt_size_t imxrt_i2c_slv_xfer(struct rt_i2c_bus_device *bus,
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struct rt_i2c_msg msgs[],
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rt_uint32_t num)
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@ -338,207 +339,60 @@ static rt_err_t imxrt_i2c_bus_control(struct rt_i2c_bus_device *bus,
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int rt_hw_i2c_init(void)
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{
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#if !defined(RT_USING_I2C_BITOPS) || (!defined(RT_USING_I2C1_BITOPS) || !defined(RT_USING_I2C2_BITOPS) || \
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!defined(RT_USING_I2C3_BITOPS) || !defined(RT_USING_I2C4_BITOPS))
|
||||
#if (defined(RT_USING_HW_I2C1) || defined(RT_USING_HW_I2C2) || defined(RT_USING_HW_I2C3) || defined(RT_USING_HW_I2C4))
|
||||
|
||||
lpi2c_master_config_t masterConfig = {0};
|
||||
|
||||
/*Clock setting for LPI2C*/
|
||||
CLOCK_SetMux(kCLOCK_Lpi2cMux, 0);
|
||||
CLOCK_SetDiv(kCLOCK_Lpi2cDiv, LPI2C_CLOCK_SOURCE_DIVIDER);
|
||||
CLOCK_SetDiv(kCLOCK_Lpi2cDiv, LPI2C_CLOCK_SOURCE_DIVIDER - 1);
|
||||
|
||||
#endif
|
||||
|
||||
#if defined(RT_USING_I2C_BITOPS) && (defined(RT_USING_I2C1_BITOPS) || defined(RT_USING_I2C2_BITOPS) || \
|
||||
defined(RT_USING_I2C3_BITOPS) || defined(RT_USING_I2C4_BITOPS))
|
||||
gpio_pin_config_t pin_config =
|
||||
{
|
||||
kGPIO_DigitalOutput,
|
||||
0,
|
||||
};
|
||||
#endif /* RT_USING_I2C_BITOPS= RT_USING_I2C1_BITOPS RT_USING_I2C2_BITOPS RT_USING_I2C3_BITOPS RT_USING_I2C4_BITOPS */
|
||||
#if defined(RT_USING_I2C1) && defined(RT_USING_I2C1_BITOPS)
|
||||
|
||||
static struct rt_i2c_bus_device i2c1_device;
|
||||
|
||||
static const struct rt1052_i2c_bit_data _i2c1_bdata =
|
||||
{
|
||||
/* SCL */ {GPIO1, 16},
|
||||
/* SDA */ {GPIO1, 17},
|
||||
};
|
||||
|
||||
static const struct rt_i2c_bit_ops _i2c1_bit_ops =
|
||||
{
|
||||
(void *) &_i2c1_bdata,
|
||||
gpio_set_sda,
|
||||
gpio_set_scl,
|
||||
gpio_get_sda,
|
||||
gpio_get_scl,
|
||||
|
||||
gpio_udelay,
|
||||
|
||||
50,
|
||||
1000
|
||||
};
|
||||
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_00_GPIO1_IO16, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_00_GPIO1_IO16, 0xD8B0u);
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_01_GPIO1_IO17, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_01_GPIO1_IO17, 0xD8B0u);
|
||||
|
||||
/* Enable touch panel controller */
|
||||
GPIO_PinInit(_i2c1_bdata.sda.base, _i2c1_bdata.sda.pin, &pin_config);
|
||||
GPIO_PinInit(_i2c1_bdata.scl.base, _i2c1_bdata.scl.pin, &pin_config);
|
||||
|
||||
GPIO_PortSet(_i2c1_bdata.sda.base, _i2c1_bdata.sda.pin);
|
||||
GPIO_PortSet(_i2c1_bdata.scl.base, _i2c1_bdata.scl.pin);
|
||||
|
||||
i2c1_device.priv = (void *) &_i2c1_bit_ops;
|
||||
rt_i2c_bit_add_bus(&i2c1_device, I2C1BUS_NAME);
|
||||
|
||||
#elif defined(RT_USING_I2C1) && !defined(RT_USING_I2C1_BITOPS)
|
||||
#if defined(RT_USING_HW_I2C1)
|
||||
LPI2C_MasterGetDefaultConfig(&masterConfig);
|
||||
#if defined(HW_I2C1_BADURATE_400kHZ)
|
||||
masterConfig.baudRate_Hz = 400000U;
|
||||
#elif defined(HW_I2C1_BADURATE_100kHZ)
|
||||
masterConfig.baudRate_Hz = 100000U;
|
||||
#endif
|
||||
imxrt_lpi2c_configure(&lpi2c1, &masterConfig);
|
||||
rt_i2c_bus_device_register(&lpi2c1.parent, lpi2c1.device_name);
|
||||
#endif
|
||||
#if defined(RT_USING_I2C2) && defined(RT_USING_I2C2_BITOPS)
|
||||
|
||||
static struct rt_i2c_bus_device i2c2_device;
|
||||
|
||||
static const struct rt1052_i2c_bit_data _i2c2_bdata =
|
||||
{
|
||||
/* SCL */ {GPIO2, 4},
|
||||
/* SDA */ {GPIO2, 5},
|
||||
};
|
||||
|
||||
static const struct rt_i2c_bit_ops _i2c2_bit_ops =
|
||||
{
|
||||
(void *) &_i2c2_bdata,
|
||||
gpio_set_sda,
|
||||
gpio_set_scl,
|
||||
gpio_get_sda,
|
||||
gpio_get_scl,
|
||||
|
||||
gpio_udelay,
|
||||
|
||||
50,
|
||||
1000
|
||||
};
|
||||
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_B0_04_GPIO2_IO04, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_04_GPIO2_IO04, 0xD8B0u);
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_B0_05_GPIO2_IO05, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_05_GPIO2_IO05, 0xD8B0u);
|
||||
|
||||
/* Enable touch panel controller */
|
||||
GPIO_PinInit(_i2c2_bdata.sda.base, _i2c2_bdata.sda.pin, &pin_config);
|
||||
GPIO_PinInit(_i2c2_bdata.scl.base, _i2c2_bdata.scl.pin, &pin_config);
|
||||
|
||||
GPIO_PortSet(_i2c2_bdata.sda.base, _i2c2_bdata.sda.pin);
|
||||
GPIO_PortSet(_i2c2_bdata.scl.base, _i2c2_bdata.scl.pin);
|
||||
|
||||
|
||||
i2c2_device.priv = (void *) &_i2c2_bit_ops;
|
||||
rt_i2c_bit_add_bus(&i2c2_device, I2C2BUS_NAME);
|
||||
|
||||
#elif defined(RT_USING_I2C2) && !defined(RT_USING_I2C2_BITOPS)
|
||||
#if defined(RT_USING_HW_I2C2)
|
||||
LPI2C_MasterGetDefaultConfig(&masterConfig);
|
||||
#if defined(HW_I2C2_BADURATE_400kHZ)
|
||||
masterConfig.baudRate_Hz = 400000U;
|
||||
#elif defined(HW_I2C2_BADURATE_100kHZ)
|
||||
masterConfig.baudRate_Hz = 100000U;
|
||||
#endif
|
||||
imxrt_lpi2c_configure(&lpi2c2, &masterConfig);
|
||||
rt_i2c_bus_device_register(&lpi2c2.parent, lpi2c2.device_name);
|
||||
#endif
|
||||
#if defined(RT_USING_I2C3) && defined(RT_USING_I2C3_BITOPS)
|
||||
|
||||
static struct rt_i2c_bus_device i2c3_device;
|
||||
|
||||
static const struct rt1052_i2c_bit_data _i2c3_bdata =
|
||||
{
|
||||
/* SCL */ {GPIO1, 23},
|
||||
/* SDA */ {GPIO1, 22},
|
||||
};
|
||||
|
||||
static const struct rt_i2c_bit_ops _i2c3_bit_ops =
|
||||
{
|
||||
(void *) &_i2c3_bdata,
|
||||
gpio_set_sda,
|
||||
gpio_set_scl,
|
||||
gpio_get_sda,
|
||||
gpio_get_scl,
|
||||
|
||||
gpio_udelay,
|
||||
|
||||
50,
|
||||
1000
|
||||
};
|
||||
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_07_GPIO1_IO23, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_07_GPIO1_IO23, 0xD8B0u);
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_06_GPIO1_IO22, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_06_GPIO1_IO22, 0xD8B0u);
|
||||
|
||||
/* Enable touch panel controller */
|
||||
GPIO_PinInit(_i2c3_bdata.sda.base, _i2c3_bdata.sda.pin, &pin_config);
|
||||
GPIO_PinInit(_i2c3_bdata.scl.base, _i2c3_bdata.scl.pin, &pin_config);
|
||||
|
||||
GPIO_PortSet(_i2c3_bdata.sda.base, _i2c3_bdata.sda.pin);
|
||||
GPIO_PortSet(_i2c3_bdata.scl.base, _i2c3_bdata.scl.pin);
|
||||
|
||||
|
||||
i2c3_device.priv = (void *) &_i2c3_bit_ops;
|
||||
rt_i2c_bit_add_bus(&i2c3_device, I2C3BUS_NAME);
|
||||
|
||||
#elif defined(RT_USING_I2C3) && !defined(RT_USING_I2C3_BITOPS)
|
||||
#if defined(RT_USING_HW_I2C3)
|
||||
LPI2C_MasterGetDefaultConfig(&masterConfig);
|
||||
#if defined(HW_I2C3_BADURATE_400kHZ)
|
||||
masterConfig.baudRate_Hz = 400000U;
|
||||
#elif defined(HW_I2C3_BADURATE_100kHZ)
|
||||
masterConfig.baudRate_Hz = 100000U;
|
||||
#endif
|
||||
imxrt_lpi2c_configure(&lpi2c3, &masterConfig);
|
||||
rt_i2c_bus_device_register(&lpi2c3.parent, lpi2c3.device_name);
|
||||
#endif
|
||||
#if defined(RT_USING_I2C4) && defined(RT_USING_I2C4_BITOPS)
|
||||
|
||||
static struct rt_i2c_bus_device i2c4_device;
|
||||
|
||||
static const struct rt1052_i2c_bit_data _i2c4_bdata =
|
||||
{
|
||||
/* SCL */ {GPIO4, 12},
|
||||
/* SDA */ {GPIO4, 11},
|
||||
};
|
||||
|
||||
static const struct rt_i2c_bit_ops _i2c4_bit_ops =
|
||||
{
|
||||
(void *) &_i2c4_bdata,
|
||||
gpio_set_sda,
|
||||
gpio_set_scl,
|
||||
gpio_get_sda,
|
||||
gpio_get_scl,
|
||||
|
||||
gpio_udelay,
|
||||
|
||||
50,
|
||||
1000
|
||||
};
|
||||
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_EMC_12_GPIO4_IO12, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_12_GPIO4_IO12, 0xD8B0u);
|
||||
IOMUXC_SetPinMux(IOMUXC_GPIO_EMC_11_GPIO4_IO11, 1U);
|
||||
IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_11_GPIO4_IO11, 0xD8B0u);
|
||||
|
||||
/* Enable touch panel controller */
|
||||
GPIO_PinInit(_i2c4_bdata.sda.base, _i2c4_bdata.sda.pin, &pin_config);
|
||||
GPIO_PinInit(_i2c4_bdata.scl.base, _i2c4_bdata.scl.pin, &pin_config);
|
||||
|
||||
GPIO_PortSet(_i2c4_bdata.sda.base, _i2c4_bdata.sda.pin);
|
||||
GPIO_PortSet(_i2c4_bdata.scl.base, _i2c4_bdata.scl.pin);
|
||||
|
||||
|
||||
i2c4_device.priv = (void *) &_i2c4_bit_ops;
|
||||
rt_i2c_bit_add_bus(&i2c4_device, I2C4BUS_NAME);
|
||||
|
||||
#elif defined(RT_USING_I2C4) && !defined(RT_USING_I2C4_BITOPS)
|
||||
#if defined(RT_USING_HW_I2C4)
|
||||
LPI2C_MasterGetDefaultConfig(&masterConfig);
|
||||
#if defined(HW_I2C4_BADURATE_400kHZ)
|
||||
masterConfig.baudRate_Hz = 400000U;
|
||||
#elif defined(HW_I2C4_BADURATE_100kHZ)
|
||||
masterConfig.baudRate_Hz = 100000U;
|
||||
#endif
|
||||
imxrt_lpi2c_configure(&lpi2c4, &masterConfig);
|
||||
rt_i2c_bus_device_register(&lpi2c4.parent, lpi2c4.device_name);
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
INIT_DEVICE_EXPORT(rt_hw_i2c_init);
|
||||
|
@ -602,6 +456,7 @@ static void _search_i2c_device(rt_device_t dev, uint8_t cmd)
|
|||
static int i2c_test(const char *name, uint8_t cmd)
|
||||
{
|
||||
rt_device_t dev = _i2c_find(name);
|
||||
|
||||
if (dev == RT_NULL)
|
||||
{
|
||||
rt_kprintf("search i2c device faild\n");
|
||||
|
@ -609,14 +464,12 @@ static int i2c_test(const char *name, uint8_t cmd)
|
|||
}
|
||||
|
||||
_search_i2c_device(dev, cmd);
|
||||
|
||||
rt_device_close(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
FINSH_FUNCTION_EXPORT(i2c_test, e.g: i2c_test("i2c1", 0xA3));
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* RT_USING_I2C */
|
||||
|
||||
|
||||
|
|
|
@ -392,7 +392,6 @@ void GPIO5_Combined_0_15_IRQHandler(void)
|
|||
#if defined __CORTEX_M && (__CORTEX_M == 4U)
|
||||
__DSB();
|
||||
#endif
|
||||
|
||||
rt_interrupt_leave();
|
||||
}
|
||||
|
||||
|
@ -473,13 +472,13 @@ static void rt1052_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
|
|||
{
|
||||
CLOCK_EnableClock(kCLOCK_Iomuxc);
|
||||
|
||||
IOMUXC_SetPinMux(0x401F8010U + pin*4, 0x5U, 0, 0, 0, 0);
|
||||
IOMUXC_SetPinMux(0x401F8010U + pin*4, 0x5U, 0, 0, 0, 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
CLOCK_EnableClock(kCLOCK_IomuxcSnvs);
|
||||
|
||||
IOMUXC_SetPinMux(0x401F8000U + (pin-125)*4, 0x5U, 0, 0, 0, 0);
|
||||
IOMUXC_SetPinMux(0x401F8000U + (pin-125)*4, 0x5U, 0, 0, 0, 1);
|
||||
}
|
||||
|
||||
gpio.outputLogic = 0;
|
||||
|
@ -530,7 +529,7 @@ static void rt1052_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
|
|||
|
||||
static int rt1052_pin_read(rt_device_t dev, rt_base_t pin)
|
||||
{
|
||||
return GPIO_PinRead(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin);
|
||||
return GPIO_PinReadPadStatus(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin);
|
||||
}
|
||||
|
||||
static void rt1052_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
|
||||
|
|
|
@ -210,10 +210,10 @@
|
|||
#define LPSPI4_SDO_GPIO_1
|
||||
#define LPSPI4_SDI_GPIO_1
|
||||
|
||||
/* Select i2c bus drivers */
|
||||
/* Select iic bus drivers */
|
||||
|
||||
#define LPI2C_CLOCK_SOURCE_DIVIDER 4
|
||||
#define RT_USING_I2C1
|
||||
#define RT_USING_HW_I2C1
|
||||
#define HW_I2C1_BADURATE_100kHZ
|
||||
|
||||
/* Select lcd driver */
|
||||
|
||||
|
|
Loading…
Reference in New Issue