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Merge branch 'master' into feature/esp32s2beta_update

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This commit is contained in:
Angus Gratton
2019-08-08 13:44:24 +10:00
committed by Angus Gratton
parent 1877a9fcd8 16b300bd7a
commit 24d26fccde
2414 changed files with 160787 additions and 45783 deletions
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54
components/driver/spi_common.c
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@@ -103,11 +103,6 @@ int spicommon_irqdma_source_for_host(spi_host_device_t host)
return spi_periph_signal[host].irq_dma;
}
spi_dev_t *spicommon_hw_for_host(spi_host_device_t host)
{
return spi_periph_signal[host].hw;
}
static inline uint32_t get_dma_periph(int dma_chan)
{
#ifdef CONFIG_IDF_TARGET_ESP32S2BETA
@@ -137,6 +132,7 @@ bool spicommon_dma_chan_claim (int dma_chan)
spi_dma_chan_enabled |= DMA_CHANNEL_ENABLED(dma_chan);
ret = true;
}
#if CONFIG_IDF_TARGET_ESP32
periph_module_enable(get_dma_periph(dma_chan));
#elif CONFIG_IDF_TARGET_ESP32S2BETA
@@ -393,32 +389,6 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
return ESP_OK;
}
//Find any pin with output muxed to ``func`` and reset it to GPIO
static void reset_func_to_gpio(int func)
{
for (int x = 0; x < GPIO_PIN_COUNT; x++) {
if (GPIO_IS_VALID_GPIO(x) && (READ_PERI_REG(GPIO_FUNC0_OUT_SEL_CFG_REG + (x * 4))&GPIO_FUNC0_OUT_SEL_M) == func) {
gpio_matrix_out(x, SIG_GPIO_OUT_IDX, false, false);
}
}
}
esp_err_t spicommon_bus_free_io(spi_host_device_t host)
{
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spid_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spid_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiq_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiq_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiclk_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiclk_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiwp_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiwp_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spihd_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spihd_iomux_pin], PIN_FUNC_GPIO);
reset_func_to_gpio(spi_periph_signal[host].spid_out);
reset_func_to_gpio(spi_periph_signal[host].spiq_out);
reset_func_to_gpio(spi_periph_signal[host].spiclk_out);
reset_func_to_gpio(spi_periph_signal[host].spiwp_out);
reset_func_to_gpio(spi_periph_signal[host].spihd_out);
return ESP_OK;
}
esp_err_t spicommon_bus_free_io_cfg(const spi_bus_config_t *bus_cfg)
{
int pin_array[] = {
@@ -459,26 +429,22 @@ void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num,
}
}
void spicommon_cs_free(spi_host_device_t host, int cs_io_num)
{
if (cs_io_num == 0 && REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spics0_iomux_pin], MCU_SEL) == 1) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spics0_iomux_pin], PIN_FUNC_GPIO);
}
reset_func_to_gpio(spi_periph_signal[host].spics_out[cs_io_num]);
}
void spicommon_cs_free_io(int cs_gpio_num)
{
assert(cs_gpio_num>=0 && GPIO_IS_VALID_GPIO(cs_gpio_num));
gpio_reset_pin(cs_gpio_num);
}
//Set up a list of dma descriptors. dmadesc is an array of descriptors. Data is the buffer to point to.
void IRAM_ATTR spicommon_setup_dma_desc_links(lldesc_t *dmadesc, int len, const uint8_t *data, bool isrx)
bool spicommon_bus_using_iomux(spi_host_device_t host)
{
lldesc_setup_link(dmadesc, data, len, isrx);
}
#define CHECK_IOMUX_PIN(HOST, PIN_NAME) if (GPIO.func_in_sel_cfg[spi_periph_signal[(HOST)].PIN_NAME##_in].sig_in_sel) return false
CHECK_IOMUX_PIN(host, spid);
CHECK_IOMUX_PIN(host, spiq);
CHECK_IOMUX_PIN(host, spiwp);
CHECK_IOMUX_PIN(host, spihd);
return true;
}
/*
Code for workaround for DMA issue in ESP32 v0/v1 silicon
@@ -549,4 +515,4 @@ void IRAM_ATTR spicommon_dmaworkaround_transfer_active(int dmachan)
dmaworkaround_channels_busy[dmachan-1] = 1;
portEXIT_CRITICAL_ISR(&dmaworkaround_mux);
#endif
}
}