/* * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and * its subsidiaries and affiliates (collectly called MKSEMI). * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into an MKSEMI * integrated circuit in a product or a software update for such product, * must reproduce the above copyright notice, this list of conditions and * the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of MKSEMI nor the names of its contributors may be used * to endorse or promote products derived from this software without * specific prior written permission. * * 4. This software, with or without modification, must only be used with a * MKSEMI integrated circuit. * * 5. Any software provided in binary form under this license must not be * reverse engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "mk_spi.h" #include "mk_trace.h" #include "mk_reset.h" #include "mk_calib.h" #include "mk_wdt.h" #include "mk_misc.h" #include "mk_gpio.h" #include "libc_rom.h" #include "board.h" #define TEST_SPI_MASTER 0 #define TEST_SPI_POLL_MODE 0 #define TEST_SPI_INTERUPT_MODE 1 #define TEST_SPI_DMA_MODE 2 #define TEST_SPI_MODE TEST_SPI_POLL_MODE #define TEST_PORT SPI_ID0 #define SPI_RX_DMA_EN 1 static uint8_t tx_buf[10] = {0x55, 0x44, 0x33, 0x22, 0x11}; static uint8_t rx_buf[10] = {0x00}; static void spi_transfer_callback(void *dev, uint32_t err_code) { static uint32_t count_right = 0; static uint32_t count_error = 0; #if TEST_SPI_MASTER uint8_t str_spi_mode[] = "Master"; #else uint8_t str_spi_mode[] = "Slave"; #endif if (0 != memcmp(tx_buf, rx_buf, sizeof(rx_buf))) { LOG_INFO(TRACE_MODULE_APP, "SPI %s RX ERROR DATA\r\n", str_spi_mode); count_error += 1; LOG_INFO(TRACE_MODULE_APP, "ERROR DATA: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\r\n", rx_buf[0], rx_buf[1], rx_buf[2], rx_buf[3], rx_buf[4], rx_buf[5], rx_buf[6], rx_buf[7], rx_buf[8], rx_buf[9]); } else { LOG_INFO(TRACE_MODULE_APP, "SPI %s RX RIGHT DATA\r\n", str_spi_mode); count_right += 1; } LOG_INFO(TRACE_MODULE_APP, "RX RIGHT: %d RX ERROR: %d\r\n", count_right, count_error); } int main(void) { board_clock_run(); board_pins_config(); board_debug_console_open(TRACE_PORT_UART0); // Reset reason reset_cause_get(); reset_cause_clear(); // Chip calibration calib_chip(); // Disable watchdog timer wdt_close(WDT_ID0); LOG_INFO(TRACE_MODULE_APP, "SPI example\r\n"); gpio_open(); board_configure(); // open system timer sys_timer_open(); struct SPI_CFG_T usr_spi_cfg = { .bit_rate = 1000000, .data_bits = 8, #if TEST_SPI_MASTER .slave = 0, #else .slave = 1, #endif .clk_phase = 0, .clk_polarity = 0, .ti_mode = 0, #if (TEST_SPI_MODE == TEST_SPI_POLL_MODE) .dma_rx = false, .dma_tx = false, .int_rx = false, .int_tx = false, #elif (TEST_SPI_MODE == TEST_SPI_INTERUPT_MODE) .dma_rx = false, .dma_tx = false, .int_rx = true, .int_tx = true, #elif (TEST_SPI_MODE == TEST_SPI_DMA_MODE) .dma_rx = true, .dma_tx = true, .int_rx = false, .int_tx = false, #endif }; spi_open(TEST_PORT, &usr_spi_cfg); #if TEST_SPI_MASTER // wait for the IO_PIN_9 to change gpio_pin_set_dir(IO_PIN_9, GPIO_DIR_IN, 0); uint8_t gpio_state = gpio_pin_get_val(IO_PIN_9); LOG_INFO(TRACE_MODULE_APP, "IO_PIN_9 state is <%d>, wait toggled to start spi test\r\n", gpio_state); while (gpio_state == gpio_pin_get_val(IO_PIN_9)) { } #endif while (1) { while (spi_is_busy(TEST_PORT)) { } spi_transfer(TEST_PORT, tx_buf, rx_buf, sizeof(rx_buf), spi_transfer_callback); #if TEST_SPI_MASTER sys_timer_delay_ms(10); #endif } }