main.c

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#include <stddef.h>
#include <stdint.h>
 
#include "epub.h"
#include "epub_stress_fixture.h"
#include "ra8_board_ek_ra8d2.h"
#include "ra8_boot_entry.h"
#include "ra8_cgc.h"
#include "ra8_err.h"
#include "ra8_isr.h"
#include "ra8_mstp.h"
#include "ra8_time.h"

typedef enum : uint32_t {
  k_est_uart_baud    = 115200U, 
  k_est_expect_chap  = 60U,     
  k_est_expect_toc   = 60U,     
  k_est_expect_files = 125U,    
  k_est_dec_ten      = 10U,     
} est_consts_t;

static epub_book_t s_book;
 
static const uint8_t k_msg_boot[] = "epub-stress-hil: boot\r\n";
static const uint8_t k_msg_fail[] = "epub-stress-hil: FAIL init\r\n";
static const uint8_t k_msg_open[] = "epub-stress-hil: FAIL open (arena no_mem?)\r\n";
static const uint8_t k_msg_chap[] = "epub-stress-hil: FAIL chapters\r\n";
static const uint8_t k_msg_toc[]  = "epub-stress-hil: FAIL toc\r\n";
static const uint8_t k_msg_cov[]  = "epub-stress-hil: FAIL cover\r\n";
static const uint8_t k_msg_pre[]  = "epub-stress-hil: files=125 chapters=";
static const uint8_t k_msg_tocp[] = " toc=";
static const uint8_t k_msg_covp[] = " cover=ok";
static const uint8_t k_msg_ok[]   = " PASS\r\n";

static void est_print(const uint8_t* msg, uint32_t len)
{
  (void)ra8_board_uart_console_write(msg, (size_t)len);
}

static void est_panic_halt(const uint8_t* msg, uint32_t len)
{
  est_print(msg, len);
  __asm__ volatile("bkpt #0");
  while (1) {
    __asm__ volatile("wfi");
  }
}

static void est_print_uint(uint32_t value)
{
  uint8_t  buf[k_est_dec_ten];
  uint32_t n = 0U;
  if (value == 0U) {
    buf[n] = '0';
    n++;
  }
  while ((value > 0U) && (n < (uint32_t)k_est_dec_ten)) {
    buf[n] = (uint8_t)('0' + (value % (uint32_t)k_est_dec_ten));
    n++;
    value /= (uint32_t)k_est_dec_ten;
  }
  for (uint32_t i = 0U; i < n; i++) {
    est_print(&buf[n - 1U - i], 1U);
  }
}

static void est_setup_or_halt(void)
{
  uint32_t cpuclk0_hz = 0U;
  if ((ra8_cgc_init() != k_ra8_ok) || (ra8_mstp_init() != k_ra8_ok)) {
    est_panic_halt(k_msg_fail, (uint32_t)sizeof(k_msg_fail) - 1U);
  }
  if (ra8_cgc_get_clock_hz(k_ra8_clock_id_cpuclk0, &cpuclk0_hz) != k_ra8_ok) {
    est_panic_halt(k_msg_fail, (uint32_t)sizeof(k_msg_fail) - 1U);
  }
  if (ra8_time_init(cpuclk0_hz) != k_ra8_ok) {
    est_panic_halt(k_msg_fail, (uint32_t)sizeof(k_msg_fail) - 1U);
  }
  if (ra8_board_uart_console_init((uint32_t)k_est_uart_baud) != k_ra8_ok) {
    est_panic_halt(k_msg_fail, (uint32_t)sizeof(k_msg_fail) - 1U);
  }
}

static void est_open_or_halt(uint16_t* out_chap, uint16_t* out_toc)
{
  const epub_mem_media_t media = {.data = k_epub_stress_fixture,
                                  .size = (size_t)k_epub_stress_fixture_len};
  if (epub_open(&media, "stress.epub", &s_book) != k_ra8_ok) {
    est_panic_halt(k_msg_open, (uint32_t)sizeof(k_msg_open) - 1U);
  }
  uint16_t chapters = 0U;
  if ((epub_get_chapter_count(&s_book, &chapters) != k_ra8_ok) ||
      (chapters != (uint16_t)k_est_expect_chap)) {
    est_panic_halt(k_msg_chap, (uint32_t)sizeof(k_msg_chap) - 1U);
  }
  uint16_t toc = 0U;
  if ((epub_get_toc_count(&s_book, &toc) != k_ra8_ok) || (toc != (uint16_t)k_est_expect_toc)) {
    est_panic_halt(k_msg_toc, (uint32_t)sizeof(k_msg_toc) - 1U);
  }
  if (s_book.cover_path[0] == '\0') {
    est_panic_halt(k_msg_cov, (uint32_t)sizeof(k_msg_cov) - 1U);
  }
  *out_chap = chapters;
  *out_toc  = toc;
}

void main(void)
{
  est_setup_or_halt();
  ra8_isr_globals_enable();
  est_print(k_msg_boot, (uint32_t)sizeof(k_msg_boot) - 1U);
 
  uint16_t chapters = 0U;
  uint16_t toc      = 0U;
  est_open_or_halt(&chapters, &toc);
 
  est_print(k_msg_pre, (uint32_t)sizeof(k_msg_pre) - 1U);
  est_print_uint((uint32_t)chapters);
  est_print(k_msg_tocp, (uint32_t)sizeof(k_msg_tocp) - 1U);
  est_print_uint((uint32_t)toc);
  est_print(k_msg_covp, (uint32_t)sizeof(k_msg_covp) - 1U);
  est_print(k_msg_ok, (uint32_t)sizeof(k_msg_ok) - 1U);
 
  while (1) {
    __asm__ volatile("wfi");
  }
}