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spi: support spi on h2

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This commit is contained in:
Armando
2022-02-16 18:30:38 +08:00
parent d3f75c52d6
commit fe9c6cde4f
15 changed files with 74 additions and 66 deletions
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2
components/driver/spi_master.c
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@@ -321,7 +321,7 @@ esp_err_t spi_bus_add_device(spi_host_device_t host_id, const spi_device_interfa
const spi_bus_attr_t* bus_attr = host->bus_attr;
SPI_CHECK(dev_config->spics_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(dev_config->spics_io_num), "spics pin invalid", ESP_ERR_INVALID_ARG);
uint32_t apb_clk_freq_hz = rtc_clk_apb_freq_get();
assert((apb_clk_freq_hz == 80 * 1000 * 1000) || (apb_clk_freq_hz == 40 * 1000 * 1000));
assert((apb_clk_freq_hz == 80 * 1000 * 1000) || (apb_clk_freq_hz == 40 * 1000 * 1000) || (apb_clk_freq_hz == 48 * 1000 * 1000));
SPI_CHECK((dev_config->clock_speed_hz > 0) && (dev_config->clock_speed_hz <= apb_clk_freq_hz) , "invalid sclk speed", ESP_ERR_INVALID_ARG);
#ifdef CONFIG_IDF_TARGET_ESP32
//The hardware looks like it would support this, but actually setting cs_ena_pretrans when transferring in full