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Removed redeclaration of peripheral bus freq

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This commit is contained in:
UncleRus 2016-03-06 01:24:59 +05:00
parent 0e3f3bb2ca
commit b5c2120efc
2 changed files with 5 additions and 7 deletions
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6
core/include/esp/spi.h
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@ -12,9 +12,7 @@
#include <stdbool.h>
#include <stdint.h>
#include "esp/spi_regs.h"
// FIXME Better to define it somewhere else. This is not the CPU frequency!
#define SYSTEM_BUS_FREQ 80000000UL
#include "esp/clocks.h"
/**
* Macro for use with spi_init and spi_set_frequency_div.
@ -121,7 +119,7 @@ void spi_set_frequency_div(uint8_t bus, uint32_t divider);
*/
inline uint32_t spi_get_frequency_hz(uint8_t bus)
{
return SYSTEM_BUS_FREQ /
return APB_CLK_FREQ /
(((SPI(bus).CLOCK >> SPI_CLOCK_DIV_PRE_S) & SPI_CLOCK_DIV_PRE_M) + 1) /
(((SPI(bus).CLOCK >> SPI_CLOCK_COUNT_NUM_S) & SPI_CLOCK_COUNT_NUM_M) + 1);
}