/* SSP2
SPI2_MOSI: P5.0
SPI2_MISO: P5.1
SPI2_SCK : P5.2
CS1: P0.20 TOUCH
*/
int rt_hw_spi_init(void)
{
/* register spi bus */
{
static struct lpc_spi_bus lpc_spi1;
lpc_spi_register(LPC_SSP1, &lpc_spi1, "spi1");
LPC_IOCON->P4_20 &= ~0x07;
LPC_IOCON->P4_20 |= 0x03;
LPC_IOCON->P4_22 &= ~0x07;
LPC_IOCON->P4_22 |= 0x03;
LPC_IOCON->P4_23 &= ~0x07;
LPC_IOCON->P4_23 |= 0x03;
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct lpc_spi_cs spi_cs1;
/* spi10: P4.21 */
LPC_IOCON->P4_21 &= ~0x07;
spi_cs1.port = LPC_GPIO4;
spi_cs1.pin = 21;
spi_cs1.port->DIR |= (0x01 << spi_cs1.pin);
spi_cs1.port->SET |= (0x01 << spi_cs1.pin);
rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void *)&spi_cs1);
}
/* register spi bus */
{
static struct lpc_spi_bus lpc_spi0;
lpc_spi_register(LPC_SSP0, &lpc_spi0, "spi0");
LPC_IOCON->P2_22 = 0xa2;
LPC_IOCON->P2_26 = 0xa2;
LPC_IOCON->P2_27 = 0xa2;
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct lpc_spi_cs spi_cs1;
/* spi20: P2.23 */
LPC_IOCON->P2_23 &= ~0x07;
spi_cs1.port = LPC_GPIO2;
spi_cs1.pin = 23;
spi_cs1.port->DIR |= (0x01 << spi_cs1.pin);
spi_cs1.port->SET |= (0x01 << spi_cs1.pin);
rt_spi_bus_attach_device(&spi_device, "spi00", "spi0", (void *)&spi_cs1);
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct lpc_spi_cs spi_cs1;
/* spi20: P2.24 */
LPC_IOCON->P2_24 &= ~0x07;
spi_cs1.port = LPC_GPIO2;
spi_cs1.pin = 24;
spi_cs1.port->DIR |= (0x01 << spi_cs1.pin);
spi_cs1.port->SET |= (0x01 << spi_cs1.pin);
rt_spi_bus_attach_device(&spi_device, "spi01", "spi0", (void *)&spi_cs1);
}
return 0;
}
rt_err_t wm_spi_bus_attach_device(const char *bus_name, const char *device_name, rt_uint32_t pin)
{
rt_err_t ret;
rt_int16_t gpio_pin;
struct rt_spi_device *spi_device;
struct wm_sw_spi_cs *cs_pin;
gpio_pin = wm_get_pin(pin);
if (gpio_pin == WM_PIN_DEFAULT)
{
return -RT_ERROR;
}
spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
RT_ASSERT(spi_device != RT_NULL);
cs_pin = (struct wm_sw_spi_cs *)rt_malloc(sizeof(struct wm_sw_spi_cs));
RT_ASSERT(cs_pin != RT_NULL);
cs_pin->pin = gpio_pin;
tls_gpio_cfg((enum tls_io_name)gpio_pin, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_PULLHIGH);
tls_gpio_write((enum tls_io_name)gpio_pin, 1);
ret = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
return ret;
}
/*
SPI2_MOSI: PB15
SPI2_MISO: PB14
SPI2_SCK : PB13
CS0: PG10 SPI FLASH
CS1: PB12 TOUCH
CS2: PG7 WIFI
*/
static void rt_hw_spi2_init(void)
{
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
stm32_spi_register(SPI2, &stm32_spi, "spi2");
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi21: PB12 */
spi_cs.GPIOx = GPIOB;
spi_cs.GPIO_Pin = GPIO_Pin_12;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi20", "spi2", (void*)&spi_cs);
}
}
//cannot be used before completion init
rt_err_t stm32_spi_bus_attach_device(rt_uint32_t pin,const char * bus_name,const char * device_name)
{
struct rt_spi_device * spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
RT_ASSERT(spi_device != RT_NULL);
struct stm32_hw_spi_cs * cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
RT_ASSERT(cs_pin != RT_NULL);
cs_pin->pin = pin;
rt_pin_mode(pin,PIN_MODE_OUTPUT);
rt_pin_write(pin, 1);
return rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
}
/**
* @brief This function attach device to QSPI bus.
* @param device_name QSPI device name
* @param pin QSPI cs pin number
* @param data_line_width QSPI data lines width, such as 1, 2, 4
* @param enter_qspi_mode Callback function that lets FLASH enter QSPI mode
* @param exit_qspi_mode Callback function that lets FLASH exit QSPI mode
* @retval 0 : success
* -1 : failed
*/
rt_err_t stm32_qspi_bus_attach_device(const char *bus_name, const char *device_name, rt_uint32_t pin, rt_uint8_t data_line_width, void (*enter_qspi_mode)(), void (*exit_qspi_mode)())
{
struct rt_qspi_device *qspi_device = RT_NULL;
struct stm32_hw_spi_cs *cs_pin = RT_NULL;
rt_err_t result = RT_EOK;
RT_ASSERT(bus_name != RT_NULL);
RT_ASSERT(device_name != RT_NULL);
RT_ASSERT(data_line_width == 1 || data_line_width == 2 || data_line_width == 4);
qspi_device = (struct rt_qspi_device *)rt_malloc(sizeof(struct rt_qspi_device));
if (qspi_device == RT_NULL)
{
LOG_E("no memory, qspi bus attach device failed!");
result = RT_ENOMEM;
goto __exit;
}
cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
if (qspi_device == RT_NULL)
{
LOG_E("no memory, qspi bus attach device failed!");
result = RT_ENOMEM;
goto __exit;
}
qspi_device->enter_qspi_mode = enter_qspi_mode;
qspi_device->exit_qspi_mode = exit_qspi_mode;
qspi_device->config.qspi_dl_width = data_line_width;
cs_pin->Pin = pin;
#ifdef BSP_QSPI_USING_SOFTCS
rt_pin_mode(pin, PIN_MODE_OUTPUT);
rt_pin_write(pin, 1);
#endif
result = rt_spi_bus_attach_device(&qspi_device->parent, device_name, bus_name, (void *)cs_pin);
__exit:
if (result != RT_EOK)
{
if (qspi_device)
{
rt_free(qspi_device);
}
if (cs_pin)
{
rt_free(cs_pin);
}
}
return result;
}
static int rt_hw_spi5_init(void)
{
/* register spi bus */
{
GPIO_InitTypeDef GPIO_InitStructure;
rt_err_t result;
__HAL_RCC_GPIOF_CLK_ENABLE();
GPIO_InitStructure.Alternate = GPIO_AF5_SPI5;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9;
HAL_GPIO_Init(GPIOF, &GPIO_InitStructure);
result = stm32_spi_bus_register(SPI5, "spi5");
if (result != RT_EOK)
{
return result;
}
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
rt_err_t result;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
spi_cs.GPIOx = GPIOF;
spi_cs.GPIO_Pin = GPIO_PIN_6;
//__HAL_RCC_GPIOF_CLK_ENABLE();
GPIO_InitStructure.Pin = spi_cs.GPIO_Pin;
HAL_GPIO_WritePin(spi_cs.GPIOx, spi_cs.GPIO_Pin, GPIO_PIN_SET);
HAL_GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
result = rt_spi_bus_attach_device(&spi_device, "spi50", "spi5", (void*)&spi_cs);
if (result != RT_EOK)
{
return result;
}
}
return RT_EOK;
}
static void rt_hw_spi1_init(void)
{
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/*!< SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Connect alternate function */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_SPI1);
stm32_spi_register(SPI1, &stm32_spi, "spi1");
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi21: PG10 */
spi_cs.GPIOx = GPIOE;
spi_cs.GPIO_Pin = GPIO_Pin_3;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "MOTION", "spi1", (void*)&spi_cs);
}
}
static int rt_hw_spi5_init(void)
{
/* register spi bus */
{
rt_err_t result;
rcu_periph_clock_enable(RCU_GPIOG);
rcu_periph_clock_enable(RCU_SPI5);
/* SPI5_CLK(PG13), SPI5_MISO(PG12), SPI5_MOSI(PG14),SPI5_IO2(PG10) and SPI5_IO3(PG11) GPIO pin configuration */
gpio_af_set(GPIOG, GPIO_AF_5, GPIO_PIN_10|GPIO_PIN_11| GPIO_PIN_12|GPIO_PIN_13| GPIO_PIN_14);
gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10|GPIO_PIN_11| GPIO_PIN_12|GPIO_PIN_13| GPIO_PIN_14);
gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_200MHZ, GPIO_PIN_10|GPIO_PIN_11| GPIO_PIN_12|GPIO_PIN_13| GPIO_PIN_14);
result = gd32_spi_bus_register(SPI5, SPI_BUS_NAME);
if (result != RT_EOK)
{
return result;
}
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct gd32_spi_cs spi_cs;
rt_err_t result;
spi_cs.GPIOx = GPIOG;
spi_cs.GPIO_Pin = GPIO_PIN_9;
/* SPI5_CS(PG9) GPIO pin configuration */
gpio_mode_set(GPIOG, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_9);
gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);
gpio_bit_set(GPIOG,GPIO_PIN_9);
result = rt_spi_bus_attach_device(&spi_device, SPI_FLASH_DEVICE_NAME, SPI_BUS_NAME, (void*)&spi_cs);
if (result != RT_EOK)
{
return result;
}
}
return RT_EOK;
}
/*
* SPI1_MOSI: PA7
* SPI1_MISO: PA6
* SPI1_SCK : PA5
*
* CS0: PA4 SD card.
*/
static void rt_hw_spi_init(void)
{
#ifdef RT_USING_SPI1
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO,
ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
stm32_spi_register(SPI1, &stm32_spi, "spi1");
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
/* spi21: PG10 */
spi_cs.GPIOx = GPIOA;
spi_cs.GPIO_Pin = GPIO_Pin_4;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void*)&spi_cs);
}
#endif /* RT_USING_SPI1 */
}
/*
SPI2_MOSI: PB15
SPI2_MISO: PB14
SPI2_SCK : PB13
CS0: PG10 SPI FLASH
CS1: PB12 TOUCH
CS2: PG7 WIFI
*/
static void rt_hw_spi1_init(void)
{
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
stm32_spi_register(SPI1, &stm32_spi, "spi1");
}
/* attach nRF24L01 cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
spi_cs.GPIOx = GPIOA;
spi_cs.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "nRF24L01", "spi1", (void*)&spi_cs);
}
}
/* SPI
SPI_MOSI: XSSITXD <---> PE4
SPI_MISO: XSSIRXD <---> PE5
SPI_SCK : XSSICLK <---> PE6
CS0: XSSICSN0 <---> PE7 Touch
*/
int rt_hw_spi_init(void)
{
/* register spi bus */
{
static struct imapx200_spi_bus imapx200_spi1;
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct imapx200_spi_cs spi_cs1;
/* spi10: PE7 */
spi_cs1.port = IMAP_GPE;
spi_cs1.pin = 7;
spi_cs1.port->DAT |= (0x01 << spi_cs1.pin);
rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void *)&spi_cs1);
}
return 0;
}
/**
* 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, GPIO_TypeDef *cs_gpiox, uint16_t cs_gpio_pin)
{
RT_ASSERT(bus_name != RT_NULL);
RT_ASSERT(device_name != RT_NULL);
rt_err_t result;
struct rt_spi_device *spi_device;
struct stm32_hw_spi_cs *cs_pin;
/* initialize the cs pin && select the slave*/
GPIO_InitTypeDef GPIO_Initure;
GPIO_Initure.Pin = cs_gpio_pin;
GPIO_Initure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_Initure.Pull = GPIO_PULLUP;
GPIO_Initure.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(cs_gpiox, &GPIO_Initure);
HAL_GPIO_WritePin(cs_gpiox, cs_gpio_pin, GPIO_PIN_SET);
/* 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);
cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
RT_ASSERT(cs_pin != RT_NULL);
cs_pin->GPIOx = cs_gpiox;
cs_pin->GPIO_Pin = cs_gpio_pin;
result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
if (result != RT_EOK)
{
LOG_E("%s attach to %s faild, %d\n", device_name, bus_name, result);
}
RT_ASSERT(result == RT_EOK);
LOG_D("%s attach to %s done", device_name, bus_name);
return result;
}
void spi_flash_init(void)
{
rt_spi_bus_attach_device(&spi_flash,"cs_d11","spi2",&flash_cs);
w25qxx_init("flash0","cs_d11");
}
int rt_hw_spi_init(void)
{
DEBUG_PRINTF("register spi bus\n");
#ifdef TINA_USING_SPI0
/* register spi bus */
{
rt_err_t result;
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
gpio_set_func(GPIO_PORT_C, GPIO_PIN_0, IO_FUN_1);
gpio_set_func(GPIO_PORT_C, GPIO_PIN_2, IO_FUN_1);
gpio_set_func(GPIO_PORT_C, GPIO_PIN_3, IO_FUN_1);
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
result = tina_spi_bus_register((SPI_T *)SPI0_BASE_ADDR, "spi0");
if (result != RT_EOK)
{
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
return result;
}
}
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct tina_spi_cs spi_cs;
rt_err_t result;
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
spi_cs.cs = SPI_TCTRL_SS_SEL_SS0;
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
gpio_set_func(GPIO_PORT_C, GPIO_PIN_1, IO_FUN_1);
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
result = rt_spi_bus_attach_device(&spi_device, "spi00", "spi0", (void *)&spi_cs);
if (result != RT_EOK)
{
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
return result;
}
}
DEBUG_PRINTF("%s -> %d\n", __FUNCTION__, __LINE__);
#endif
#ifdef TINA_USING_SPI1
/* register spi bus */
{
rt_err_t result;
gpio_set_func(GPIO_PORT_A, GPIO_PIN_1, IO_FUN_5);
gpio_set_func(GPIO_PORT_A, GPIO_PIN_2, IO_FUN_5);
gpio_set_func(GPIO_PORT_A, GPIO_PIN_3, IO_FUN_5);
result = tina_spi_bus_register((SPI_T *)SPI1_BASE_ADDR, "spi1");
if (result != RT_EOK)
{
DEBUG_PRINTF("register spi bus faild: %d\n", result);
return result;
}
}
DEBUG_PRINTF("attach cs\n");
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct tina_spi_cs spi_cs;
rt_err_t result;
spi_cs.cs = SPI_TCTRL_SS_SEL_SS0;
gpio_set_func(GPIO_PORT_A, GPIO_PIN_0, IO_FUN_5);
result = rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void *)&spi_cs);
if (result != RT_EOK)
{
DEBUG_PRINTF("attach cs faild: %d\n", result);
return result;
}
}
#endif
return RT_EOK;
}
void rt_hw_spi3_init(void)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI3, ENABLE);
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/*!< SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Connect alternate function */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_SPI3);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_SPI3);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_SPI3);
stm32_spi_register(SPI3, &stm32_spi, "spi3");
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi20: PG6 */
spi_cs.GPIOx = GPIOA;
spi_cs.GPIO_Pin = GPIO_Pin_15;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi20", "spi3", (void*)&spi_cs);
}
{
static struct rt_spi_device * rt_spi_device;
struct rt_spi_configuration cfg;
rt_spi_device = (struct rt_spi_device *)rt_device_find("spi20");
spi_user = rt_spi_device;
rt_spi_device->bus->owner = rt_spi_device;
cfg.data_width = 8;
cfg.mode = RT_SPI_MODE_3 | RT_SPI_MSB; /* SPI Compatible: Mode 0 and Mode 3 */
cfg.max_hz = 2000000;//42 * 1000 * 1000; /* 50M */
rt_spi_configure(rt_spi_device, &cfg);
}
}
/*
SPI2_MOSI: PB15
SPI2_MISO: PB14
SPI2_SCK : PB13
CS0: PG10 SPI FLASH
CS1: PB12 TOUCH
CS2: PG7 WIFI
*/
static void rt_hw_spi2_init(void)
{
/* register spi bus */
{
static struct stm32_spi_bus stm32_spi;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/*!< SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect alternate function */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);
stm32_spi_register(SPI2, &stm32_spi, "spi2");
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi21: PG10 */
spi_cs.GPIOx = GPIOG;
spi_cs.GPIO_Pin = GPIO_Pin_10;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi20", "spi2", (void*)&spi_cs);
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi21: PB12 */
spi_cs.GPIOx = GPIOB;
spi_cs.GPIO_Pin = GPIO_Pin_12;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi21", "spi2", (void*)&spi_cs);
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* spi20: PG7 */
spi_cs.GPIOx = GPIOG;
spi_cs.GPIO_Pin = GPIO_Pin_7;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
rt_spi_bus_attach_device(&spi_device, "spi22", "spi2", (void*)&spi_cs);
}
}
