[Infineon]Update spi driver

This commit is contained in:
Rbb666 2023-03-30 13:40:58 +08:00 committed by guo
parent b9f5bf7d91
commit 8552d061c2
3 changed files with 115 additions and 83 deletions

View File

@ -6,6 +6,7 @@
* Change Logs:
* Date Author Notes
* 2022-07-18 Rbb666 first version
* 2023-03-30 Rbb666 update spi driver
*/
#include <drv_spi.h>
@ -21,52 +22,46 @@
#endif /* DRV_DEBUG */
#include <rtdbg.h>
struct ifx_sw_spi_cs
{
rt_uint32_t pin;
};
#ifdef BSP_USING_SPI0
static struct rt_spi_bus spi_bus0;
#endif
#ifdef BSP_USING_SPI3
static struct rt_spi_bus spi_bus3;
#endif
#ifdef BSP_USING_SPI6
static struct rt_spi_bus spi_bus6;
#endif
static struct ifx_spi spi_bus_obj[] =
static struct ifx_spi_handle spi_bus_obj[] =
{
#if defined(BSP_USING_SPI0)
#if defined(BSP_USING_SPI0)
{
.bus_name = "spi0",
.spi_bus = &spi_bus0,
.sck_pin = GET_PIN(0, 4),
.miso_pin = GET_PIN(0, 3),
.mosi_pin = GET_PIN(0, 2),
},
#endif
#if defined(BSP_USING_SPI3)
#endif
#if defined(BSP_USING_SPI3)
{
.bus_name = "spi3",
.spi_bus = &spi_bus3,
.sck_pin = GET_PIN(6, 2),
.miso_pin = GET_PIN(6, 1),
.mosi_pin = GET_PIN(6, 0),
},
#endif
#if defined(BSP_USING_SPI6)
#endif
#if defined(BSP_USING_SPI6)
{
.bus_name = "spi6",
.spi_bus = &spi_bus6,
.sck_pin = GET_PIN(12, 2),
.miso_pin = GET_PIN(12, 1),
.mosi_pin = GET_PIN(12, 0),
},
#endif
#endif
};
static struct ifx_spi spi_config[sizeof(spi_bus_obj) / sizeof(spi_bus_obj[0])] = {0};
/* private rt-thread spi ops function */
static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_configuration *configuration);
static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *message);
@ -77,39 +72,69 @@ static struct rt_spi_ops ifx_spi_ops =
.xfer = spixfer,
};
static void ifx_spi_init(struct ifx_spi *ifx_spi)
static void spi_interrupt_callback(void *arg, cyhal_spi_event_t event)
{
int result = RT_EOK;
struct ifx_spi *spi_drv = (struct ifx_spi *)arg;
result = cyhal_spi_init(ifx_spi->spi_obj, ifx_spi->mosi_pin, ifx_spi->miso_pin, ifx_spi->sck_pin,
NC, NULL, ifx_spi->spi_obj->data_bits, ifx_spi->spi_obj->mode, false);
rt_interrupt_enter();
RT_ASSERT(result == RT_EOK);
if ((event & CYHAL_SPI_IRQ_DONE) != 0u)
{
/* Transmission is complete. Handle Event */
rt_completion_done(&spi_drv->cpt);
}
rt_kprintf("[%s] Freq:[%d]HZ\n", ifx_spi->bus_name, ifx_spi->freq);
rt_interrupt_leave();
}
result = cyhal_spi_set_frequency(ifx_spi->spi_obj, ifx_spi->freq);
static void ifx_spi_init(struct ifx_spi *spi_device)
{
RT_ASSERT(spi_device != RT_NULL);
RT_ASSERT(result != CYHAL_SPI_RSLT_CLOCK_ERROR);
rt_err_t result = RT_EOK;
result = cyhal_spi_init(spi_device->spi_handle_t->spi_obj, spi_device->spi_handle_t->mosi_pin, spi_device->spi_handle_t->miso_pin,
spi_device->spi_handle_t->sck_pin, NC, NULL, spi_device->spi_handle_t->spi_obj->data_bits,
spi_device->spi_handle_t->spi_obj->mode, false);
if (result != RT_EOK)
{
LOG_E("spi%s init fail", spi_device->spi_handle_t->bus_name);
return;
}
LOG_I("[%s] freq:[%d]HZ\n", spi_device->spi_handle_t->bus_name, spi_device->spi_handle_t->freq);
result = cyhal_spi_set_frequency(spi_device->spi_handle_t->spi_obj, spi_device->spi_handle_t->freq);
if (result == CYHAL_SPI_RSLT_CLOCK_ERROR)
{
LOG_E("%s set frequency fail", spi_device->spi_handle_t->bus_name);
return;
}
/* Register a callback function to be called when the interrupt fires */
cyhal_spi_register_callback(spi_device->spi_handle_t->spi_obj, spi_interrupt_callback, spi_device);
/* Enable the events that will trigger the call back function */
cyhal_spi_enable_event(spi_device->spi_handle_t->spi_obj, CYHAL_SPI_IRQ_DONE, 4, true);
}
static rt_err_t spi_configure(struct rt_spi_device *device,
struct rt_spi_configuration *configuration)
{
struct rt_spi_bus *spi_bus = (struct rt_spi_bus *)device->bus;
struct ifx_spi *spi_device = (struct ifx_spi *)spi_bus->parent.user_data;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(configuration != RT_NULL);
struct ifx_spi *spi_device = rt_container_of(device->bus, struct ifx_spi, spi_bus);
/* data_width */
if (configuration->data_width <= 8)
{
spi_device->spi_obj->data_bits = 8;
spi_device->spi_handle_t->spi_obj->data_bits = 8;
}
else if (configuration->data_width <= 16)
{
spi_device->spi_obj->data_bits = 16;
spi_device->spi_handle_t->spi_obj->data_bits = 16;
}
else
{
@ -118,27 +143,26 @@ static rt_err_t spi_configure(struct rt_spi_device *device,
uint32_t max_hz;
max_hz = configuration->max_hz;
spi_device->freq = max_hz;
spi_device->spi_handle_t->freq = max_hz;
/* MSB or LSB */
switch (configuration->mode & RT_SPI_MODE_3)
{
case RT_SPI_MODE_0:
spi_device->spi_obj->mode = CYHAL_SPI_MODE_00_MSB;
break;
case RT_SPI_MODE_0:
spi_device->spi_handle_t->spi_obj->mode = CYHAL_SPI_MODE_00_MSB;
break;
case RT_SPI_MODE_1:
spi_device->spi_obj->mode = CYHAL_SPI_MODE_01_MSB;
break;
case RT_SPI_MODE_1:
spi_device->spi_handle_t->spi_obj->mode = CYHAL_SPI_MODE_01_MSB;
break;
case RT_SPI_MODE_2:
spi_device->spi_obj->mode = CYHAL_SPI_MODE_10_MSB;
break;
case RT_SPI_MODE_2:
spi_device->spi_handle_t->spi_obj->mode = CYHAL_SPI_MODE_10_MSB;
break;
case RT_SPI_MODE_3:
spi_device->spi_obj->mode = CYHAL_SPI_MODE_11_MSB;
break;
case RT_SPI_MODE_3:
spi_device->spi_handle_t->spi_obj->mode = CYHAL_SPI_MODE_11_MSB;
break;
}
ifx_spi_init(spi_device);
@ -151,11 +175,7 @@ static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *m
RT_ASSERT(device != NULL);
RT_ASSERT(message != NULL);
struct rt_spi_bus *spi_bus = (struct rt_spi_bus *)device->bus;
struct ifx_spi *spi_device = (struct ifx_spi *)spi_bus->parent.user_data;
struct rt_spi_configuration *config = &device->config;
struct ifx_sw_spi_cs *cs = device->parent.user_data;
struct ifx_spi *spi_device = rt_container_of(device->bus, struct ifx_spi, spi_bus);
/* take CS */
if (message->cs_take && !(device->config.mode & RT_SPI_NO_CS) && (device->cs_pin != PIN_NONE))
@ -171,18 +191,21 @@ static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *m
if (message->send_buf == RT_NULL && message->recv_buf != RT_NULL)
{
/**< receive message */
result = cyhal_spi_transfer(spi_device->spi_obj, RT_NULL, 0x00, message->recv_buf, message->length, 0x00);
result = cyhal_spi_transfer(spi_device->spi_handle_t->spi_obj, RT_NULL, 0x00, message->recv_buf, message->length, 0x00);
}
else if (message->send_buf != RT_NULL && message->recv_buf == RT_NULL)
{
/**< send message */
result = cyhal_spi_transfer(spi_device->spi_obj, message->send_buf, message->length, RT_NULL, 0x00, 0x00);
result = cyhal_spi_transfer(spi_device->spi_handle_t->spi_obj, message->send_buf, message->length, RT_NULL, 0x00, 0x00);
}
else if (message->send_buf != RT_NULL && message->recv_buf != RT_NULL)
{
/**< send and receive message */
result = cyhal_spi_transfer(spi_device->spi_obj, message->send_buf, message->length, message->recv_buf, message->length, 0x00);
result = cyhal_spi_transfer(spi_device->spi_handle_t->spi_obj, message->send_buf, message->length, message->recv_buf, message->length, 0x00);
}
/* blocking the thread,and the other tasks can run */
rt_completion_wait(&spi_device->cpt, RT_WAITING_FOREVER);
}
if (message->cs_release && !(device->config.mode & RT_SPI_NO_CS) && (device->cs_pin != PIN_NONE))
@ -196,7 +219,10 @@ static rt_ssize_t spixfer(struct rt_spi_device *device, struct rt_spi_message *m
return message->length;
}
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, uint16_t cs_gpio_pin)
/**
* Attach the spi device to SPI bus, this function must be used after initialization.
*/
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin)
{
RT_ASSERT(bus_name != RT_NULL);
RT_ASSERT(device_name != RT_NULL);
@ -204,24 +230,19 @@ rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name,
rt_err_t result;
struct rt_spi_device *spi_device;
/* attach the device to spi bus */
/* attach the device to spi bus*/
spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
RT_ASSERT(spi_device != RT_NULL);
struct ifx_sw_spi_cs *cs_pin = (struct ifx_sw_spi_cs *)rt_malloc(sizeof(struct ifx_sw_spi_cs));
RT_ASSERT(cs_pin != RT_NULL);
cs_pin->pin = cs_gpio_pin;
if (cs_pin->pin != 0x00)
result = rt_spi_bus_attach_device_cspin(spi_device, device_name, bus_name, cs_pin, RT_NULL);
if (result != RT_EOK)
{
/* initialize the cs pin & select the slave*/
cyhal_gpio_init(cs_pin->pin, CYHAL_GPIO_DIR_OUTPUT, CYHAL_GPIO_DRIVE_STRONG, 1);
cyhal_gpio_write(cs_pin->pin, PIN_HIGH);
LOG_E("%s attach to %s faild, %d\n", device_name, bus_name, result);
}
result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
RT_ASSERT(result == RT_EOK);
RT_ASSERT(spi_device != RT_NULL);
LOG_D("%s attach to %s done", device_name, bus_name);
return result;
}
@ -230,23 +251,26 @@ int rt_hw_spi_init(void)
{
int result = RT_EOK;
for (int i = 0; i < sizeof(spi_bus_obj) / sizeof(spi_bus_obj[0]); i++)
for (int spi_index = 0; spi_index < sizeof(spi_bus_obj) / sizeof(spi_bus_obj[0]); spi_index++)
{
spi_bus_obj[i].spi_obj = rt_malloc(sizeof(cyhal_spi_t));
spi_bus_obj[spi_index].spi_obj = rt_malloc(sizeof(cyhal_spi_t));
RT_ASSERT(spi_bus_obj[spi_index].spi_obj != RT_NULL);
RT_ASSERT(spi_bus_obj[i].spi_obj != RT_NULL);
spi_config[spi_index].spi_handle_t = &spi_bus_obj[spi_index];
spi_bus_obj[i].spi_bus->parent.user_data = (void *)&spi_bus_obj[i];
result = rt_spi_bus_register(spi_bus_obj[i].spi_bus, spi_bus_obj[i].bus_name, &ifx_spi_ops);
RT_ASSERT(result == RT_EOK);
LOG_D("%s bus init done", spi_bus_obj[i].bus_name);
rt_err_t err = rt_spi_bus_register(&spi_config[spi_index].spi_bus, spi_bus_obj[spi_index].bus_name, &ifx_spi_ops);
if (RT_EOK != err)
{
LOG_E("%s bus register failed.", spi_config[spi_index].spi_handle_t->bus_name);
return -RT_ERROR;
}
LOG_D("MOSI PIN:[%d], MISO PIN[%d], CLK PIN[%d]\n",
spi_bus_obj[i].mosi_pin, spi_bus_obj[i].miso_pin,
spi_bus_obj[i].sck_pin);
spi_bus_obj[spi_index].mosi_pin, spi_bus_obj[spi_index].miso_pin,
spi_bus_obj[spi_index].sck_pin);
/* initialize completion object */
rt_completion_init(&spi_config[spi_index].cpt);
}
return result;

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@ -16,13 +16,9 @@
#include "drv_gpio.h"
#define SPI_FREQ_HZ (10000000UL)
/* gd32 spi dirver class */
struct ifx_spi
struct ifx_spi_handle
{
char *bus_name;
struct rt_spi_bus *spi_bus;
const char *bus_name;
cyhal_spi_t *spi_obj;
uint16_t sck_pin;
@ -31,6 +27,18 @@ struct ifx_spi
uint32_t freq;
};
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, uint16_t cs_gpio_pin);
/* ifx spi dirver class */
struct ifx_spi
{
rt_uint32_t cs_pin;
struct ifx_spi_handle *spi_handle_t;
struct rt_spi_configuration *rt_spi_cfg_t;
struct rt_spi_bus spi_bus;
struct rt_completion cpt;
};
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
#endif

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@ -40,7 +40,7 @@
#define IFX_EFLASH_END_ADDRESS ((uint32_t)(IFX_EFLASH_START_ADRESS + IFX_EFLASH_SIZE))
/*SRAM CONFIG*/
#define IFX_SRAM_SIZE (1014)
#define IFX_SRAM_SIZE (1013)
#define IFX_SRAM_END (0x08002000 + IFX_SRAM_SIZE * 1024)
#ifdef __ARMCC_VERSION