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https://opencores.org/ocsvn/neorv32/neorv32/trunk
[/] [neorv32/] [trunk/] [sw/] [bootloader/] [bootloader.c] - Diff between revs 12 and 13
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| Rev 12 |
Rev 13 |
| Line 240... |
Line 240... |
// ------------------------------------------------
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// ------------------------------------------------
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// Auto boot sequence
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// Auto boot sequence
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// ------------------------------------------------
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// ------------------------------------------------
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neorv32_uart_print("\n\nAutoboot in "xstr(AUTOBOOT_TIMEOUT)"s. Press key to abort.\n");
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neorv32_uart_print("\n\nAutoboot in "xstr(AUTOBOOT_TIMEOUT)"s. Press key to abort.\n");
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uint64_t timeout_time = (uint64_t)(AUTOBOOT_TIMEOUT * clock_speed);
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uint64_t timeout_time = neorv32_mtime_get_time() + (uint64_t)(AUTOBOOT_TIMEOUT * clock_speed);
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while ((UART_DATA & (1 << UART_DATA_AVAIL)) == 0) { // wait for any key to be pressed or timeout
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while ((UART_DATA & (1 << UART_DATA_AVAIL)) == 0) { // wait for any key to be pressed or timeout
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if (neorv32_mtime_get_time() >= timeout_time) { // timeout? start auto boot sequence
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if (neorv32_mtime_get_time() >= timeout_time) { // timeout? start auto boot sequence
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get_exe(EXE_STREAM_FLASH); // try loading from spi flash
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get_exe(EXE_STREAM_FLASH); // try loading from spi flash
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neorv32_uart_print("\n");
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neorv32_uart_print("\n");
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Line 573... |
}
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}
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neorv32_cpu_dint(); // deactivate IRQs
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neorv32_cpu_dint(); // deactivate IRQs
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neorv32_gpio_port_set(1 << STATUS_LED); // permanently light up status LED
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neorv32_gpio_port_set(1 << STATUS_LED); // permanently light up status LED
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asm volatile ("wfi"); // power-down
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while(1); // freeze
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while(1); // freeze
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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