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demo: SPI Flash interface working

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jaseg 2020-02-26 13:40:37 +01:00
parent 2964bda23c
commit fcbdab4ab2
4 changed files with 95 additions and 60 deletions
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24
controller/fw/main.c
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@ -2,8 +2,11 @@
#include <stdbool.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/spi.h>
#include <libopencm3/stm32/gpio.h>
#include "spi_flash.h"
static struct spi_flash_if spif;
static void clock_setup(void)
@ -33,9 +36,28 @@ static void spi_flash_setup(void)
gpio_set_output_options(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO0 | GPIO3 | GPIO4 | GPIO5);
gpio_set_af(GPIOB, 5, GPIO3 | GPIO4 | GPIO5);
spi_init(&spif, SPI1, &spi_flash_if_set_cs);
spif_init(&spif, 256, SPI1, &spi_flash_if_set_cs);
}
/*
void spi_flash_test(void) {
spif_clear_mem(&spif);
uint32_t buf[1024];
for (size_t addr=0; addr<0x10000; addr += sizeof(buf)) {
for (size_t i=0; i<sizeof(buf); i+= sizeof(buf[0]))
buf[i/sizeof(buf[0])] = addr + i;
spif_write(&spif, addr, sizeof(buf), (char *)buf);
}
for (size_t i=0; i<sizeof(buf)/sizeof(buf[0]); i++)
buf[i] = 0;
spif_read(&spif, 0x1030, sizeof(buf), (char *)buf);
asm volatile ("bkpt");
}
*/
int main(void)
{
clock_setup();