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Merge branch 'feat/sdio_example_without_intr' into 'master'

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sdio: update the host example to support working with a slave without DAT1

See merge request espressif/esp-idf!7098
This commit is contained in:
Angus Gratton
2020-02-17 07:04:31 +08:00
parent 41bc06b9b9 1f43f33567
commit effefc2329
2 changed files with 31 additions and 8 deletions
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examples/peripherals/sdio/host/main/app_main.c
+20 -8
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@@ -293,22 +293,34 @@ void slave_power_on(void)
DMA_ATTR uint8_t rcv_buffer[READ_BUFFER_LEN];
static esp_err_t get_intr(essl_handle_t handle, uint32_t* out_raw, uint32_t* out_st)
{
esp_err_t ret = ESP_OK;
#ifndef CONFIG_EXAMPLE_NO_INTR_LINE
ret = essl_wait_int(handle, 0);
if (ret != ESP_OK) {
return ret;
}
#endif
ret = essl_get_intr(handle, out_raw, out_st, TIMEOUT_MAX);
if (ret != ESP_OK) return ret;
ret = essl_clear_intr(handle, *out_raw, TIMEOUT_MAX);
if (ret != ESP_OK) return ret;
ESP_LOGD(TAG, "intr: %08X", *out_raw);
return ESP_OK;
}
//try to get an interrupt from the slave and handle it, return if none.
esp_err_t process_event(essl_handle_t handle)
{
esp_err_t ret = essl_wait_int(handle, 0);
uint32_t intr_raw, intr_st;
esp_err_t ret = get_intr(handle, &intr_raw, &intr_st);
if (ret == ESP_ERR_TIMEOUT) {
return ret;
}
ESP_ERROR_CHECK(ret);
uint32_t intr_raw, intr_st;
ret = essl_get_intr(handle, &intr_raw, &intr_st, TIMEOUT_MAX);
ESP_ERROR_CHECK(ret);
ret = essl_clear_intr(handle, intr_raw, TIMEOUT_MAX);
ESP_ERROR_CHECK(ret);
ESP_LOGD(TAG, "intr: %08X", intr_raw);
for (int i = 0; i < 8; i++) {
if (intr_raw & BIT(i)) {
ESP_LOGI(TAG, "host int: %d", i);