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bugfix(spi): resolve the glitch that happens during initialization

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michael 2018-06-11 12:13:10 +08:00 committed by Michael (XIAO Xufeng)
parent 77077196fd
commit 45d1c9207c
1 changed files with 6 additions and 6 deletions
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12
components/driver/spi_common.c
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@ -213,7 +213,6 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
//Use GPIO matrix //Use GPIO matrix
ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host ); ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host );
if (bus_config->mosi_io_num >= 0) { if (bus_config->mosi_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], FUNC_GPIO);
if (mosi_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) { if (mosi_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) {
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->mosi_io_num, spi_periph_signal[host].spid_out, false, false); gpio_matrix_out(bus_config->mosi_io_num, spi_periph_signal[host].spid_out, false, false);
@ -221,9 +220,9 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT); gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT);
} }
gpio_matrix_in(bus_config->mosi_io_num, spi_periph_signal[host].spid_in, false); gpio_matrix_in(bus_config->mosi_io_num, spi_periph_signal[host].spid_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], FUNC_GPIO);
} }
if (bus_config->miso_io_num >= 0) { if (bus_config->miso_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], FUNC_GPIO);
if (miso_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) { if (miso_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) {
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->miso_io_num, spi_periph_signal[host].spiq_out, false, false); gpio_matrix_out(bus_config->miso_io_num, spi_periph_signal[host].spiq_out, false, false);
@ -231,24 +230,25 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT); gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT);
} }
gpio_matrix_in(bus_config->miso_io_num, spi_periph_signal[host].spiq_in, false); gpio_matrix_in(bus_config->miso_io_num, spi_periph_signal[host].spiq_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], FUNC_GPIO);
} }
if (bus_config->quadwp_io_num >= 0) { if (bus_config->quadwp_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->quadwp_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->quadwp_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_out, false, false); gpio_matrix_out(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_out, false, false);
gpio_matrix_in(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in, false); gpio_matrix_in(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], FUNC_GPIO);
} }
if (bus_config->quadhd_io_num >= 0) { if (bus_config->quadhd_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->quadhd_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->quadhd_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_out, false, false); gpio_matrix_out(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_out, false, false);
gpio_matrix_in(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in, false); gpio_matrix_in(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], FUNC_GPIO);
} }
if (bus_config->sclk_io_num >= 0) { if (bus_config->sclk_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->sclk_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->sclk_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_out, false, false); gpio_matrix_out(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_out, false, false);
gpio_matrix_in(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in, false); gpio_matrix_in(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], FUNC_GPIO);
} }
} }
@ -309,9 +309,9 @@ void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num,
gpio_iomux_out(cs_io_num, FUNC_SPI, false); gpio_iomux_out(cs_io_num, FUNC_SPI, false);
} else { } else {
//Use GPIO matrix //Use GPIO matrix
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[cs_io_num], FUNC_GPIO);
gpio_matrix_out(cs_io_num, spi_periph_signal[host].spics_out[cs_num], false, false); gpio_matrix_out(cs_io_num, spi_periph_signal[host].spics_out[cs_num], false, false);
if (cs_num == 0) gpio_matrix_in(cs_io_num, spi_periph_signal[host].spics_in, false); if (cs_num == 0) gpio_matrix_in(cs_io_num, spi_periph_signal[host].spics_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[cs_io_num], FUNC_GPIO);
} }
} }