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driver: a better way to avoid new/old driver coexistence

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This commit is contained in:
morris
2022-04-08 15:11:59 +08:00
parent 5732e2a4be
commit a7d380c80a
8 changed files with 21 additions and 90 deletions
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11
components/driver/deprecated/timer_legacy.c
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@@ -480,11 +480,12 @@ esp_err_t IRAM_ATTR timer_spinlock_give(timer_group_t group_num)
__attribute__((constructor))
static void check_legacy_timer_driver_conflict(void)
{
extern int timer_group_driver_init_count;
timer_group_driver_init_count++;
if (timer_group_driver_init_count > 1) {
ESP_EARLY_LOGE(TIMER_TAG, "CONFLICT! The legacy timer group driver can't work along with the gptimer driver");
// This function was declared as weak here. gptimer driver has one implementation.
// So if gptimer driver is not linked in, then `gptimer_new_timer()` should be NULL at runtime.
extern __attribute__((weak)) esp_err_t gptimer_new_timer(const void *config, void **ret_timer);
if (gptimer_new_timer != NULL) {
ESP_EARLY_LOGE(TIMER_TAG, "CONFLICT! driver_ng is not allowed to be used with the legacy driver");
abort();
}
ESP_EARLY_LOGW(TIMER_TAG, "legacy timer group driver is deprecated, please migrate to use driver/gptimer.h");
ESP_EARLY_LOGW(TIMER_TAG, "legacy driver is deprecated, please migrate to `driver/gptimer.h`");
}