mirror of
https://github.com/ADElectronics/RTL00_WEB_VS.git
synced 2024-11-22 07:24:14 +00:00
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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* spi_test.c
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*/
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#include <platform_opts.h>
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#include "rtl8195a.h"
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#include "spi_api.h"
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#include "spi_ex_api.h"
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#include "rtl8195a/rtl_libc.h"
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#define SPI0_MOSI PC_2
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#define SPI0_MISO PC_3
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#define SPI0_SCLK PC_1
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#define SPI0_CS PC_0
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spi_t spi_master;
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static void show_reg_spi(int i) {
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rtl_printf("Regs SPI:\n");
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for(int x = 0; x < 64 ; x += 4) {
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rtl_printf("0x%08x ", HAL_SSI_READ32(i, x));
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if((x & 0x0F) == 0x0C) rtl_printf("\n");
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}
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}
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static void fATSSI(int argc, char *argv[])
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{
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int len = 128;
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int count = 32;
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int clk = 1000000;
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int ssn = 0;
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if(argc > 1) {
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len = atoi(argv[1]);
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if(len > 32768 || len <= 0) {
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len = 128;
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error_printf("%s: len = %u!\n", __func__, len);
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};
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};
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if(argc > 2) {
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count = atoi(argv[2]);
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if(count > 10000 || count <= 0) {
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count = 32;
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error_printf("%s: count = %u!\n", __func__, count);
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};
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};
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if(argc > 3) {
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clk = atoi(argv[3]);
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if(clk <= 0) {
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clk = 1000000;
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error_printf("%s: clk = %u!\n", __func__, clk);
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};
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};
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if(argc > 4) {
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ssn = atoi(argv[4]);
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if(ssn > 7 || ssn < 0) {
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ssn = 0;
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error_printf("%s: ssn = %u!\n", __func__, ssn);
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};
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};
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char* buff = pvPortMalloc(len);
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if(buff) {
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spi_init(&spi_master, SPI0_MOSI, SPI0_MISO, SPI0_SCLK, SPI0_CS); // CS заданный тут нигде не используется
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spi_format(&spi_master, 16, 3, 0);
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spi_frequency(&spi_master, clk);
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spi_slave_select(&spi_master, ssn); // выбор CS
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for(int i = 0; i < len; i++) buff[i] = (char)i;
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while(count--) {
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spi_master_write_stream(&spi_master, buff, len);
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while(spi_busy(&spi_master));
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rtl_printf("Master write: %d\n", count);
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};
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// show_reg_spi(spi_master.spi_adp.Index);
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spi_free(&spi_master);
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free(buff);
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}
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else {
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error_printf("%s: error malloc!\n", __func__);
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};
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}
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MON_RAM_TAB_SECTION COMMAND_TABLE console_commands_spitst[] = {
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{"ATSSI", 0, fATSSI, "=[len[,count[,clk[,ssn]]]]: Spi test"}
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};
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