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[processor_check] adjust SDI input speed to max

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SDI input clock has to be *less* than 1/4 of the processor's main clock
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stnolting 2025-04-07 22:43:46 +02:00
parent c4dd103b19
commit 447f7f0eac
1 changed files with 2 additions and 1 deletions
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3
sw/example/processor_check/main.c
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@ -1528,8 +1528,9 @@ int main() {
cnt_test++;
// configure and enable SDI + SPI
// SDI input clock (= SPI output clock) must be less than 1/4 of the processor clock
neorv32_sdi_setup(1 << SDI_CTRL_IRQ_RX_AVAIL);
neorv32_spi_setup(CLK_PRSC_8, 0, 0, 0, 0);
neorv32_spi_setup(CLK_PRSC_2, 1, 0, 0, 0);
// enable fast interrupt
neorv32_cpu_csr_write(CSR_MIE, 1 << SDI_FIRQ_ENABLE);