[bsp][lpc55sxx]update: drv_spi

This commit is contained in:
褚仕成 2023-05-15 17:39:24 +08:00 committed by guo
parent efc3ced31d
commit 5f8b33f85d
3 changed files with 13 additions and 29 deletions

View File

@ -75,13 +75,6 @@ static struct lpc_spi lpc_obj[] =
#endif #endif
}; };
struct lpc_sw_spi_cs
{
rt_uint32_t pin;
};
static uint32_t lpc_get_spi_freq(SPI_Type *base) static uint32_t lpc_get_spi_freq(SPI_Type *base)
{ {
uint32_t freq = 0; uint32_t freq = 0;
@ -153,18 +146,13 @@ static rt_err_t lpc_spi_init(SPI_Type *base, struct rt_spi_configuration *cfg)
return RT_EOK; return RT_EOK;
} }
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t pin) rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin)
{ {
rt_err_t ret = RT_EOK; rt_err_t ret = RT_EOK;
struct rt_spi_device *spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device)); struct rt_spi_device *spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
struct lpc_sw_spi_cs *cs_pin = (struct lpc_sw_spi_cs *)rt_malloc(sizeof(struct lpc_sw_spi_cs));
cs_pin->pin = pin; ret = rt_spi_bus_attach_device_cspin(spi_device, device_name, bus_name, cs_pin, RT_NULL);
rt_pin_mode(pin, PIN_MODE_OUTPUT);
rt_pin_write(pin, PIN_HIGH);
ret = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
return ret; return ret;
} }
@ -174,8 +162,7 @@ rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name,
static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_configuration *cfg) static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_configuration *cfg)
{ {
rt_err_t ret = RT_EOK; rt_err_t ret = RT_EOK;
struct lpc_spi *spi = RT_NULL; struct lpc_spi *spi = rt_container_of(device->bus, struct lpc_spi, parent);
spi = (struct lpc_spi *)(device->bus->parent.user_data);
ret = lpc_spi_init(spi->SPIx, cfg); ret = lpc_spi_init(spi->SPIx, cfg);
return ret; return ret;
@ -195,15 +182,12 @@ static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *m
RT_ASSERT(device != RT_NULL); RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL); RT_ASSERT(device->bus != RT_NULL);
RT_ASSERT(device->bus->parent.user_data != RT_NULL);
struct lpc_spi *spi = rt_container_of(device->bus, struct lpc_spi, parent);
struct lpc_spi *spi = (struct lpc_spi *)(device->bus->parent.user_data); if(message->cs_take && (device->cs_pin != PIN_NONE))
struct lpc_sw_spi_cs *cs = device->parent.user_data;
if(message->cs_take)
{ {
rt_pin_write(cs->pin, PIN_LOW); rt_pin_write(device->cs_pin, PIN_LOW);
} }
transfer.dataSize = message->length; transfer.dataSize = message->length;
@ -245,9 +229,9 @@ static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *m
if(message->cs_release) if(message->cs_release && (device->cs_pin != PIN_NONE))
{ {
rt_pin_write(cs->pin, PIN_HIGH); rt_pin_write(device->cs_pin, PIN_HIGH);
} }
return message->length; return message->length;

View File

@ -147,7 +147,7 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_SPI8 config BSP_USING_SPI8
bool "Enable Flexcomm8 as High Speed SPI" bool "Enable Flexcomm8 as High Speed SPI"
default y default n
endif endif
menuconfig BSP_USING_SOFT_SPI menuconfig BSP_USING_SOFT_SPI

View File

@ -210,9 +210,9 @@ static rt_ssize_t qspixfer(struct rt_spi_device *device, struct rt_spi_message *
rt_int32_t length = message->length; rt_int32_t length = message->length;
#ifdef BSP_QSPI_USING_SOFTCS #ifdef BSP_QSPI_USING_SOFTCS
if (message->cs_take && (device->parent.cs_pin != PIN_NONE)) if (message->cs_take && (device->cs_pin != PIN_NONE))
{ {
rt_pin_write(device->parent.cs_pin, PIN_LOW); rt_pin_write(device->cs_pin, PIN_LOW);
} }
#endif #endif
@ -264,9 +264,9 @@ static rt_ssize_t qspixfer(struct rt_spi_device *device, struct rt_spi_message *
__exit: __exit:
#ifdef BSP_QSPI_USING_SOFTCS #ifdef BSP_QSPI_USING_SOFTCS
if (message->cs_release && (device->parent.cs_pin != PIN_NONE)) if (message->cs_release && (device->cs_pin != PIN_NONE))
{ {
rt_pin_write(device->parent.cs_pin, PIN_HIGH); rt_pin_write(device->cs_pin, PIN_HIGH);
} }
#endif #endif
return result; return result;