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ports/nrf: Add support for multiple CSIs.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
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@ -61,7 +61,7 @@ static const volatile uint32_t *_pclkPort;
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extern void __fatal_error(const char *msg);
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int omv_csi_config(omv_csi_config_t config) {
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static int nrf_csi_config(omv_csi_t *csi, omv_csi_config_t config) {
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if (config == OMV_CSI_CONFIG_INIT) {
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uint32_t csi_pins[] = {
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OMV_CSI_D0_PIN,
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@ -114,12 +114,12 @@ int omv_csi_set_clk_frequency(uint32_t frequency) {
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return 0;
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}
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int omv_csi_set_windowing(int x, int y, int w, int h) {
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int omv_csi_set_windowing(omv_csi_t *csi, int x, int y, int w, int h) {
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return OMV_CSI_ERROR_CTL_UNSUPPORTED;
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}
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// This is the default snapshot function, which can be replaced in omv_csi_init functions.
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int omv_csi_snapshot(omv_csi_t *csi, image_t *image, uint32_t flags) {
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static int nrf_csi_snapshot(omv_csi_t *csi, image_t *image, uint32_t flags) {
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framebuffer_t *fb = csi->fb;
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// Compress the framebuffer for the IDE preview, only if it's not the first frame,
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@ -132,7 +132,7 @@ int omv_csi_snapshot(omv_csi_t *csi, image_t *image, uint32_t flags) {
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framebuffer_set_buffers(fb, 1);
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}
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if (omv_csi_check_framebuffer_size(fb) != 0) {
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if (omv_csi_check_framebuffer_size(csi) != 0) {
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return OMV_CSI_ERROR_FRAMEBUFFER_OVERFLOW;
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}
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@ -188,8 +188,8 @@ int omv_csi_snapshot(omv_csi_t *csi, image_t *image, uint32_t flags) {
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interrupts();
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// Not useful for the NRF but must call to keep API the same.
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if (csi->frame_callback) {
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csi->frame_callback();
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if (csi->frame_cb.fun) {
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csi->frame_cb.fun(csi->frame_cb.arg);
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}
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// Set framebuffer pixel format.
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@ -208,6 +208,7 @@ int omv_csi_snapshot(omv_csi_t *csi, image_t *image, uint32_t flags) {
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int omv_csi_init() {
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int init_ret = 0;
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static omv_i2c_t i2c;
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#if defined(OMV_CSI_POWER_PIN)
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nrf_gpio_cfg_output(OMV_CSI_POWER_PIN);
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@ -219,17 +220,19 @@ int omv_csi_init() {
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nrf_gpio_pin_write(OMV_CSI_RESET_PIN, 1);
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#endif
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// Reset the csi state
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memset(&csi, 0, sizeof(omv_csi_t));
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// Initialize the CSIs using this driver's ops as defaults,
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// which can be overridden by sensor drivers during probe.
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for (size_t i=0; i<OMV_CSI_MAX_DEVICES; i++) {
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omv_csi_t *csi = &csi_all[i];
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// Set default framebuffer
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csi.fb = framebuffer_get(0);
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// Set I2C bus
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csi.i2c = &csi_i2c;
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// Set default snapshot function.
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csi.snapshot = omv_csi_snapshot;
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memset(csi, 0, sizeof(omv_csi_t));
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csi->i2c = &i2c;
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csi->fb = framebuffer_get(-1);
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csi->abort = NULL;
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csi->config = nrf_csi_config;
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csi->snapshot = nrf_csi_snapshot;
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csi->color_palette = rainbow_table;
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}
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// Configure the csi external clock (XCLK).
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if (omv_csi_set_clk_frequency(OMV_CSI_CLK_FREQUENCY) != 0) {
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@ -237,30 +240,28 @@ int omv_csi_init() {
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return OMV_CSI_ERROR_TIM_INIT_FAILED;
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}
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// Initialize the camera bus.
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omv_i2c_init(&i2c, OMV_CSI_I2C_ID, OMV_CSI_I2C_SPEED);
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// Detect and initialize the image sensor.
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if ((init_ret = omv_csi_probe_init(OMV_CSI_I2C_ID, OMV_CSI_I2C_SPEED)) != 0) {
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if ((init_ret = omv_csi_probe(&i2c)) != 0) {
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// Sensor probe/init failed.
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return init_ret;
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}
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// Configure the CSI interface.
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if (omv_csi_config(OMV_CSI_CONFIG_INIT) != 0) {
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// CSI config failed
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return OMV_CSI_ERROR_CSI_INIT_FAILED;
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// Configure the CSI interfaces.
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for (size_t i=0; i<OMV_CSI_MAX_DEVICES; i++) {
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omv_csi_t *csi = &csi_all[i];
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if (omv_csi_config(csi, OMV_CSI_CONFIG_INIT) != 0) {
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return OMV_CSI_ERROR_CSI_INIT_FAILED;
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}
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csi->detected = true;
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}
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// Clear fb_enabled flag
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// This is executed only once to initialize the FB enabled flag.
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//JPEG_FB()->enabled = 0;
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JPEG_FB()->enabled = 0;
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// Set default color palette.
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csi.color_palette = rainbow_table;
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csi.detected = true;
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// Disable VSYNC IRQ and callback
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omv_csi_set_vsync_callback(NULL);
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/* All good! */
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return 0;
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}
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