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This commit is contained in:
moyuhai
2026-06-11 13:04:09 +08:00
commit 966451d245
2022 changed files with 513671 additions and 0 deletions
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project/example/driver/spi_slave/app/src/main.c
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/*!
* \file main.c
*
* \brief Target main implementation
*
* \copyright Revised BSD License, see section \ref LICENSE.
*
* \code
*
* _ __ _ ________ _
* | |/ /(_)___ / ____/ /_ (_)___
* | // / __ \/ / / __ \/ / __ \
* / |/ / / / / /___/ / / / / /_/ /
* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
* /_/
* (C) 2022-2025 XinChip
*
* \endcode
*
* \author ( XinChip ) Alex-J
*
* \author ( XinChip )
*/
/*-----------------------------------------------------------------------------------
INCLUDE HEADE FILES
------------------------------------------------------------------------------------*/
#include "main.h"
/*------------------------------------------------------------------------------------
Macros
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Global Variables
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Func Prototype
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Functions
-------------------------------------------------------------------------------------*/
void clock_init(void)
{
CLOCK_InitCfg_t clock_cfg;
clock_cfg.hfclk_src = CLOCK_HFCLK_SRC_XTAL;
clock_cfg.hfclk_in = CLOCK_HFCLK_IN_32M;
clock_cfg.lfclk_src = CLOCK_LFCLK_SRC_RC;
if(clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_XTAL) {
clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32768;
} else if(clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_RC) {
clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32K;
}
xc_clock_init_cfg(&clock_cfg);
SysTick_Config(xc_clock_hfclk_in_get( ) / 100);
SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
}
void app_uart_init(void)
{
GPIO_InitCfg_t gpio_cfg = {0};
gpio_cfg.Mux = GPIO_Mux0;
gpio_cfg.Pull = GPIO_PULLUP;
gpio_cfg.Int = NOT_INT;
gpio_cfg.FunSel = UART0_TX;
gpio_cfg.Pin = GPIO_18;
gpio_cfg.Dir = GPIO_DIR_OUTPUT;
xc_gpio_init(&gpio_cfg);
gpio_cfg.FunSel = UART0_RX;
gpio_cfg.Pin = GPIO_19;
gpio_cfg.Dir = GPIO_DIR_INPUT;
xc_gpio_init(&gpio_cfg);
UART_InitCfg_t uart_cfg = {0};
uart_cfg.Parity = UART_PARITY_DISABLE;
uart_cfg.StopBits = UART_STOP_1_BITS;
uart_cfg.WordLength = UART_DATA_8_BITS;
uart_cfg.BaudRate = UART_BAUDRATE_115200;
uart_cfg.HardwareFlowControl = UART_HWFC_DISABLE;
xc_uart_init(UART0_IDX, &uart_cfg);
}
int main(void)
{
// Clock Initialization
clock_init();
app_uart_init();
DEBUG("__START__\n");
/* spi_slave demo */
spi_slave_demo( );
while(1)
{
/* main loop */
;
}
}
project/example/driver/spi_slave/app/src/spi_slave.c
+132
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/*!
* \file spi_slave.c
*
* \brief Target spi slave device implementation
*
* \copyright Revised BSD License, see section \ref LICENSE.
*
* \code
*
* _ __ _ ________ _
* | |/ /(_)___ / ____/ /_ (_)___
* | // / __ \/ / / __ \/ / __ \
* / |/ / / / / /___/ / / / / /_/ /
* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
* /_/
* (C) 2022-2025 XinChip
*
* \endcode
*
* \author ( XinChip ) Alex-J
*
* \author ( XinChip )
*/
/*-----------------------------------------------------------------------------------
INCLUDE HEADE FILES
------------------------------------------------------------------------------------*/
#include "spi_slave.h"
#include "xc_drv_spi.h"
/*------------------------------------------------------------------------------------
Macros
-------------------------------------------------------------------------------------*/
#define SL_NODMA_BUFFER_LEN 16U
/*------------------------------------------------------------------------------------
Global Variables
-------------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------------
Functions
-------------------------------------------------------------------------------------*/
/**
* @brief spi_slave_demo
* @details
* @param void
* @retval void
*/
void spi_slave_demo(void)
{
DEBUG("__SPI_SLAVE_DEMO__\r");
SPI_InitCfg_t spi_cfg = {0};
GPIO_InitCfg_t gpio_cfg = {0};
gpio_cfg.Mux = GPIO_Mux0;
gpio_cfg.Dir = GPIO_DIR_INPUT;
gpio_cfg.FunSel = SSI1_CLK;
gpio_cfg.Int = NOT_INT;
gpio_cfg.Pull = GPIO_PULLDOWN;
gpio_cfg.Pin = GPIO_5;
xc_gpio_init(&gpio_cfg);
gpio_cfg.FunSel = SSI1_SSN;
gpio_cfg.Pin = GPIO_15;
xc_gpio_init(&gpio_cfg);
gpio_cfg.Dir = GPIO_DIR_OUTPUT;
gpio_cfg.FunSel = SSI1_TX;
gpio_cfg.Pin = GPIO_16;
xc_gpio_init(&gpio_cfg);
gpio_cfg.Dir = GPIO_DIR_INPUT;
gpio_cfg.FunSel = SSI1_RX;
gpio_cfg.Pin = GPIO_17;
xc_gpio_init(&gpio_cfg);
spi_cfg.Mode = SPI_MODE_SLAVE;
spi_cfg.DataSize = SSI_CTRL0_DFS_LEN_8BIT;
spi_cfg.Direction = SSI_CTRL0_TMOD_WR;
spi_cfg.BaudRatePrescaler = SSI_BAUD_DIV_8;
spi_cfg.CLKPolarity = SSI_CTRL0_SCPOL_LOW;
spi_cfg.CLKPhase = SSI_CTRL0_SCPHA_TRAIL;
spi_cfg.FirstBit = SPI_FirstBit_MSB;
uint8_t spi_handle = SPI1_IDX;
xc_spi_init(spi_handle, &spi_cfg);
uint8_t txbuff[SL_NODMA_BUFFER_LEN];
uint8_t rxbuff[SL_NODMA_BUFFER_LEN];
xc_spi_rxftl_fifo_set(spi_handle, SSI_RXFTL_FIFO_7);
xc_spi_enable_it(spi_handle, SSI_IE_RXFIE_ENABLE);
DEBUG("Write buffer: \n");
for (int i = 0; i < sizeof(txbuff); i++) {
txbuff[i] = i + 1;
PRINT("%02x ", txbuff[i]);
}
PRINT("\n");
xc_spi_write_and_read_data(spi_handle,(uint8_t *)txbuff,sizeof(txbuff),
(uint8_t *)rxbuff,sizeof(rxbuff));
DEBUG("Read buffer: \n");
for (int i = 0; i < sizeof(rxbuff); i++) {
PRINT("%02x ", rxbuff[i]);
}
PRINT("\n");
DEBUG("__SPI_END__\n");
DEBUG("Write buffer: \n");
memset((uint8_t *)txbuff, 0xbb, sizeof(txbuff));
for (int i = 0; i < sizeof(txbuff); i++) {
PRINT("%02x ", txbuff[i]);
}
PRINT("\n");
xc_spi_write_and_read_data(spi_handle,(uint8_t *)txbuff,sizeof(txbuff),
(uint8_t *)rxbuff,sizeof(rxbuff));
DEBUG("Read buffer: \n");
for (int i = 0; i < sizeof(rxbuff); i++) {
PRINT("%02x ", rxbuff[i]);
}
PRINT("\n");
DEBUG("__SPI_END2__\n");
}