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Fixed pll div calculations

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Mateusz
2019-08-23 11:46:22 +02:00
parent feef9d95db
commit 20e9e4d0bc
1 changed files with 9 additions and 17 deletions
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26
module-bsp/board/rt1051/common/clock_config.cpp
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@@ -84,9 +84,9 @@ void BOARD_InitBootClocks(void) {
* ---------------------------------------------------------
* 5 | PLL2_PFD1 | NOT USED
* ---------------------------------------------------------
* 6 | PLL2_PFD2 | USDHC1 | 198MHz (PLL2_PFD2/3)
* | | USDHC2 | 132MHz (PLL2_PFD2/3)
* | | LPSPI | 49,5MHz (PLL2_PFD2/8)
* 6 | PLL2_PFD2 | USDHC1 | 163,86MHz (PLL2_PFD2/2)
* | | USDHC2 | 109,24MHz (PLL2_PFD2/3)
* | | LPSPI | 40,9625MHz (PLL2_PFD2/8)
* | | TRACE | 117,33MHz
* | | SEMC | 163,86MHz (PLL2_PFD2/2)
* ---------------------------------------------------------
@@ -959,25 +959,17 @@ uint32_t GetPerphSourceClock(PerphClock_t clock) {
switch (clock) {
case PerphClock_I2C:
return CLOCK_GetFreq(kCLOCK_OscClk) /
(CLOCK_GetDiv(kCLOCK_Lpi2cDiv) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Lpi2cDiv));
return CLOCK_GetFreq(kCLOCK_OscClk) / (CLOCK_GetDiv(kCLOCK_Lpi2cDiv)+1);
case PerphClock_LPSPI:
return CLOCK_GetFreq(kCLOCK_SysPllPfd2Clk) /
(CLOCK_GetDiv(kCLOCK_LpspiDiv) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_LpspiDiv));
return CLOCK_GetFreq(kCLOCK_SysPllPfd2Clk) / (CLOCK_GetDiv(kCLOCK_LpspiDiv)+1);
case PerphClock_LPUART:
return CLOCK_GetFreq(kCLOCK_OscClk) /
(CLOCK_GetDiv(kCLOCK_UartDiv) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_UartDiv));
return CLOCK_GetFreq(kCLOCK_OscClk) / (CLOCK_GetDiv(kCLOCK_UartDiv)+1);
case PerphClock_SAI1:
return CLOCK_GetFreq(kCLOCK_AudioPllClk) /
(CLOCK_GetDiv(kCLOCK_Sai1Div) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Sai1Div)) /
(CLOCK_GetDiv(kCLOCK_Sai1PreDiv) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Sai1PreDiv));
return CLOCK_GetFreq(kCLOCK_AudioPllClk) / (CLOCK_GetDiv(kCLOCK_Sai1Div)+1) / (CLOCK_GetDiv(kCLOCK_Sai1PreDiv)+1);
case PerphClock_SAI2:
return CLOCK_GetFreq(kCLOCK_AudioPllClk) /
(CLOCK_GetDiv(kCLOCK_Sai2Div) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Sai2Div)) /
(CLOCK_GetDiv(kCLOCK_Sai2PreDiv) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Sai2PreDiv));
return CLOCK_GetFreq(kCLOCK_AudioPllClk) / (CLOCK_GetDiv(kCLOCK_Sai2Div)+1) / (CLOCK_GetDiv(kCLOCK_Sai2PreDiv)+1);
case PerphClock_USDHC2:
return CLOCK_GetFreq(kCLOCK_SysPllPfd2Clk) /
(CLOCK_GetDiv(kCLOCK_Usdhc2Div) == 0 ? 1 : CLOCK_GetDiv(kCLOCK_Usdhc2Div));
return CLOCK_GetFreq(kCLOCK_SysPllPfd2Clk) / (CLOCK_GetDiv(kCLOCK_Usdhc2Div) + 1U);
default:
return 0;