Initial Release

2021-01-20 10:44:27 -06:00
commit 26653ea81e
404 changed files with 135614 additions and 0 deletions
--- a/test/kitchen_sink/kitchen_sink.c
+++ b/test/kitchen_sink/kitchen_sink.c
@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include "pico/stdlib.h"
+#include "pico/time.h"
+#include "hardware/dma.h"
+#include "pico/bit_ops.h"
+#include "hardware/i2c.h"
+#include "hardware/pwm.h"
+#include "hardware/pio.h"
+#include "hardware/irq.h"
+#include "hardware/timer.h"
+#include "pico/divider.h"
+#include "pico/critical_section.h"
+#include "pico/binary_info.h"
+
+bi_decl(bi_block_device(
+                           BINARY_INFO_MAKE_TAG('K', 'S'),
+                           "foo",
+                           0x80000,
+                           0x40000,
+                           NULL,
+                           BINARY_INFO_BLOCK_DEV_FLAG_READ | BINARY_INFO_BLOCK_DEV_FLAG_WRITE |
+                                   BINARY_INFO_BLOCK_DEV_FLAG_PT_UNKNOWN));
+
+void my_timer(uint i) {
+    puts("XXXX timer");
+}
+
+//#pragma GCC push_options
+//#pragma GCC optimize ("O3")
+
+uint32_t *foo = (uint32_t *) 200;
+
+uint32_t dma_to = 0;
+uint32_t dma_from = 0xaaaa5555;
+
+void spiggle() {
+    dma_channel_config c = dma_channel_get_default_config(1);
+    channel_config_set_bswap(&c, true);
+    channel_config_set_transfer_data_size(&c, DMA_SIZE_16);
+    channel_config_set_ring(&c, true, 13);
+    dma_channel_set_config(1, &c, false);
+    dma_channel_transfer_from_buffer_now(1, foo, 23);
+}
+
+void __isr dma_handler_a() {
+    printf("HELLO A\n");
+    if (dma_hw->ints1 & 1) {
+        dma_hw->ints1 = 1;
+        printf("A WINS DMA_TO %08x\n", (uint) dma_to);
+        irq_remove_handler(DMA_IRQ_1, dma_handler_a);
+    }
+}
+
+void __isr dma_handler_b() {
+    printf("HELLO B\n");
+    if (dma_hw->ints1 & 1) {
+        dma_hw->ints1 = 1;
+        printf("B WINS DNA_TO %08x\n", (uint) dma_to);
+//        irq_remove_handler(DMA_IRQ_1, dma_handler_b);
+    }
+}
+
+//#pragma GCC pop_options
+
+int main() {
+    spiggle();
+
+    stdio_init_all();
+
+    printf("HI %d\n", (int)time_us_32());
+    puts("Hello Everything!");
+    puts("Hello Everything2!");
+
+    irq_add_shared_handler(DMA_IRQ_1, dma_handler_a, 0x80);
+    irq_add_shared_handler(DMA_IRQ_1, dma_handler_b, 0xC0);
+
+    dma_channel_config config = dma_channel_get_default_config(0);
+//    set_exclusive_irq_handler(DMA_IRQ_1, dma_handler_a);
+    dma_channel_set_irq1_enabled(0, true);
+    irq_set_enabled(DMA_IRQ_1, true);
+    dma_channel_configure(0, &config, &dma_to, &dma_from, 1, true);
+    dma_channel_set_config(0, &config, false);
+
+//    timer_start_ms(2, 2000, my_timer);
+    for (int i = 0; i < 20; i++) {
+        puts("sleepy");
+        sleep_ms(1000);
+        dma_channel_configure(0, &config, &dma_to, &dma_from, 1, true);
+        if (i==3) {
+            irq_remove_handler(DMA_IRQ_1, dma_handler_a);
+        }
+        if (i==2) {
+            irq_remove_handler(DMA_IRQ_1, dma_handler_b);
+        }
+    }
+}