mirror of
https://github.com/tillitis/tillitis-key1.git
synced 2024-12-21 05:44:24 -05:00
268 lines
7.0 KiB
C
268 lines
7.0 KiB
C
/*
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* Copyright (C) 2022 - Tillitis AB
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* SPDX-License-Identifier: GPL-2.0-only
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*/
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#include "../tk1/lib.h"
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#include "../tk1/proto.h"
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#include "../tk1/types.h"
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#include "../tk1_mem.h"
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// clang-format off
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volatile uint32_t *tk1name0 = (volatile uint32_t *)TK1_MMIO_TK1_NAME0;
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volatile uint32_t *tk1name1 = (volatile uint32_t *)TK1_MMIO_TK1_NAME1;
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volatile uint32_t *uds = (volatile uint32_t *)TK1_MMIO_UDS_FIRST;
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volatile uint32_t *uda = (volatile uint32_t *)TK1_MMIO_QEMU_UDA; // Only in QEMU right now
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volatile uint32_t *cdi = (volatile uint32_t *)TK1_MMIO_TK1_CDI_FIRST;
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volatile uint32_t *udi = (volatile uint32_t *)TK1_MMIO_TK1_UDI_FIRST;
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volatile uint32_t *switch_app = (volatile uint32_t *)TK1_MMIO_TK1_SWITCH_APP;
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volatile uint8_t *fw_ram = (volatile uint8_t *)TK1_MMIO_FW_RAM_BASE;
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volatile uint32_t *timer = (volatile uint32_t *)TK1_MMIO_TIMER_TIMER;
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volatile uint32_t *timer_prescaler = (volatile uint32_t *)TK1_MMIO_TIMER_PRESCALER;
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volatile uint32_t *timer_status = (volatile uint32_t *)TK1_MMIO_TIMER_STATUS;
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volatile uint32_t *timer_ctrl = (volatile uint32_t *)TK1_MMIO_TIMER_CTRL;
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volatile uint32_t *trng_status = (volatile uint32_t *)TK1_MMIO_TRNG_STATUS;
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volatile uint32_t *trng_entropy = (volatile uint32_t *)TK1_MMIO_TRNG_ENTROPY;
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// clang-format on
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// TODO Real UDA is 4 words (16 bytes)
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#define UDA_WORDS 1
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void test_puts(char *reason)
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{
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for (char *c = reason; *c != '\0'; c++) {
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writebyte(*c);
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}
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}
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void test_putsn(char *p, int n)
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{
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for (int i = 0; i < n; i++) {
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writebyte(p[i]);
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}
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}
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void test_puthex(uint8_t c)
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{
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unsigned int upper = (c >> 4) & 0xf;
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unsigned int lower = c & 0xf;
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writebyte(upper < 10 ? '0' + upper : 'a' - 10 + upper);
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writebyte(lower < 10 ? '0' + lower : 'a' - 10 + lower);
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}
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void test_puthexn(uint8_t *p, int n)
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{
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for (int i = 0; i < n; i++) {
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test_puthex(p[i]);
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}
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}
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void test_reverseword(uint32_t *wordp)
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{
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*wordp = ((*wordp & 0xff000000) >> 24) | ((*wordp & 0x00ff0000) >> 8) |
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((*wordp & 0x0000ff00) << 8) | ((*wordp & 0x000000ff) << 24);
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}
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uint32_t wait_timer_tick(uint32_t last_timer)
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{
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uint32_t newtimer;
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for (;;) {
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newtimer = *timer;
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if (newtimer != last_timer) {
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return newtimer;
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}
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}
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}
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int main()
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{
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uint8_t in;
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// Wait for terminal program and a character to be typed
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in = readbyte();
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test_puts("I'm testfw on:");
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// Output the TK1 core's NAME0 and NAME1
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uint32_t name;
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wordcpy(&name, (void *)tk1name0, 1);
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test_reverseword(&name);
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test_putsn((char *)&name, 4);
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test_puts(" ");
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wordcpy(&name, (void *)tk1name1, 1);
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test_reverseword(&name);
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test_putsn((char *)&name, 4);
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test_puts("\r\n");
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int anyfailed = 0;
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uint32_t uds_local[8];
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uint32_t uds_zeros[8];
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memset(uds_zeros, 0, 8 * 4);
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// Should get non-empty UDS
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wordcpy(uds_local, (void *)uds, 8);
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if (memeq(uds_local, uds_zeros, 8 * 4)) {
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test_puts("FAIL: UDS empty\r\n");
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anyfailed = 1;
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}
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// Should NOT be able to read from UDS again
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wordcpy(uds_local, (void *)uds, 8);
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if (!memeq(uds_local, uds_zeros, 8 * 4)) {
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test_puts("FAIL: Read UDS a second time\r\n");
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anyfailed = 1;
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}
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// TODO test UDA once we have it in real hw
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// uint32_t uda_local[UDA_WORDS];
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// uint32_t uda_zeros[UDA_WORDS];
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// memset(uda_zeros, 0, UDA_WORDS*4);
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// // Should get non-empty UDA
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// wordcpy(uda_local, (void *)uda, UDA_WORDS);
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// if (memeq(uda_local, uda_zeros, UDA_WORDS*4)) {
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// test_puts("FAIL: UDA empty\r\n");
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// anyfailed = 1;
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// }
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uint32_t udi_local[2];
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uint32_t udi_zeros[2];
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memset(udi_zeros, 0, 2 * 4);
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// Should get non-empty UDI
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wordcpy(udi_local, (void *)udi, 2);
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if (memeq(udi_local, udi_zeros, 2 * 4)) {
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test_puts("FAIL: UDI empty\r\n");
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anyfailed = 1;
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}
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// Should be able to write to CDI in fw (non-app) mode.
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uint32_t cdi_writetest[8] = {0xdeafbeef, 0xdeafbeef, 0xdeafbeef,
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0xdeafbeef, 0xdeafbeef, 0xdeafbeef,
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0xdeafbeef, 0xdeafbeef};
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uint32_t cdi_readback[8];
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wordcpy((void *)cdi, cdi_writetest, 8);
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wordcpy(cdi_readback, (void *)cdi, 8);
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if (!memeq(cdi_writetest, cdi_readback, 8 * 4)) {
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test_puts("FAIL: Can't write CDI in fw mode\r\n");
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anyfailed = 1;
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}
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// Test FW-RAM.
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*fw_ram = 0x12;
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if (*fw_ram != 0x12) {
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test_puts("FAIL: Can't write and read FW RAM in fw mode\r\n");
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anyfailed = 1;
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}
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uint32_t sw = *switch_app;
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if (sw != 0) {
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test_puts("FAIL: switch_app is not 0 in fw mode\r\n");
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anyfailed = 1;
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}
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// Turn on application mode.
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// -------------------------
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*switch_app = 1;
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sw = *switch_app;
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if (sw != 0xffffffff) {
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test_puts("FAIL: switch_app is not 0xffffffff in app mode\r\n");
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anyfailed = 1;
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}
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// Should NOT be able to read from UDS in app-mode.
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wordcpy(uds_local, (void *)uds, 8);
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if (!memeq(uds_local, uds_zeros, 8 * 4)) {
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test_puts("FAIL: Read from UDS in app-mode\r\n");
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anyfailed = 1;
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}
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// TODO test UDA once we have in in real hw
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// // Now we should NOT be able to read from UDA.
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// wordcpy(uda_local, (void *)uda, UDA_WORDS);
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// if (!memeq(uda_local, uda_zeros, UDA_WORDS*4)) {
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// test_puts("FAIL: Read from UDA in app-mode\r\n");
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// anyfailed = 1;
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// }
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uint32_t cdi_local[8];
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uint32_t cdi_local2[8];
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uint32_t cdi_zeros[8];
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memset(cdi_zeros, 0, 8 * 4);
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wordcpy(cdi_local, (void *)cdi, 8);
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// Write to CDI should NOT have any effect in app mode.
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wordcpy((void *)cdi, cdi_zeros, 8);
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wordcpy(cdi_local2, (void *)cdi, 8);
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if (!memeq(cdi_local, cdi_local2, 8 * 4)) {
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test_puts("FAIL: Write to CDI in app-mode\r\n");
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anyfailed = 1;
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}
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// Test FW-RAM.
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*fw_ram = 0x21;
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if (*fw_ram == 0x21) {
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test_puts("FAIL: Write and read FW RAM in app-mode\r\n");
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anyfailed = 1;
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}
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test_puts("Testing timer...\r\n");
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// Matching clock at 18 MHz, giving us timer in seconds
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*timer_prescaler = 18 * 1000000;
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// Test timer expiration after 1s
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*timer = 1;
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// Write anything to start timer
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*timer_ctrl = 1;
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for (;;) {
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if (*timer_status & (1 << TK1_MMIO_TIMER_STATUS_READY_BIT)) {
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// Timer expired (it is ready to start again)
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break;
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}
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}
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// Test to interrupt a timer - and reads from timer register
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// Starting 10s timer and interrupting it in 3s...
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*timer = 10;
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*timer_ctrl = 1;
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uint32_t last_timer = 10;
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for (int i = 0; i < 3; i++) {
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last_timer = wait_timer_tick(last_timer);
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}
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// Write anything to stop the timer
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*timer_ctrl = 1;
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if (!(*timer_status & (1 << TK1_MMIO_TIMER_STATUS_READY_BIT))) {
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test_puts("FAIL: Timer didn't stop\r\n");
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anyfailed = 1;
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}
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if (*timer != 10) {
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test_puts("FAIL: Timer didn't reset to 10\r\n");
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anyfailed = 1;
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}
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// Check and display test results.
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if (anyfailed) {
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test_puts("Some test FAILED!\r\n");
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} else {
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test_puts("All tests passed.\r\n");
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}
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test_puts("\r\nHere are 256 bytes from the TRNG:\r\n");
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for (int j = 0; j < 8; j++) {
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for (int i = 0; i < 8; i++) {
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while ((*trng_status &
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(1 << TK1_MMIO_TRNG_STATUS_READY_BIT)) == 0) {
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}
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uint32_t rnd = *trng_entropy;
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test_puthexn((uint8_t *)&rnd, 4);
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test_puts(" ");
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}
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test_puts("\r\n");
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}
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test_puts("\r\n");
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test_puts("Now echoing what you type...\r\n");
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for (;;) {
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in = readbyte(); // blocks
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writebyte(in);
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}
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}
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