kopia lustrzana https://github.com/majbthrd/pico-debug
rodzic
26e96fd325
commit
53b27603e3
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@ -157,13 +157,15 @@ __STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
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return (0U);
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}
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extern char unique_id[17];
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/** Get Serial Number string.
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\param str Pointer to buffer to store the string.
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\return String length.
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*/
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__STATIC_INLINE uint8_t DAP_GetSerNumString (char *str) {
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(void)str;
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return (0U);
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memcpy(str, unique_id, sizeof(unique_id));
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return sizeof(unique_id);
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}
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///@}
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@ -0,0 +1,232 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Peter Lawrence
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "bsp/board.h"
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#include "tusb.h"
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#include <rp2040.h>
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#include "hardware/resets.h"
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/* this is code that runs before main() and cannot be used once execution reaches main() (since it exists in RAM we have not reserved) */
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__attribute__ (( section(".bootc") )) static void pll_init(pll_hw_t *pll, uint32_t refdiv, uint32_t vco_freq, uint32_t post_div1, uint8_t post_div2)
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{
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uint32_t ref_mhz = XOSC_MHZ / refdiv;
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// What are we multiplying the reference clock by to get the vco freq
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// (The regs are called div, because you divide the vco output and compare it to the refclk)
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uint32_t fbdiv = vco_freq / (ref_mhz * 1000000UL);
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// fbdiv
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assert(fbdiv >= 16 && fbdiv <= 320);
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// Check divider ranges
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assert((post_div1 >= 1 && post_div1 <= 7) && (post_div2 >= 1 && post_div2 <= 7));
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// post_div1 should be >= post_div2
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// from appnote page 11
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// postdiv1 is designed to operate with a higher input frequency
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// than postdiv2
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assert(post_div2 <= post_div1);
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// Check that reference frequency is no greater than vco / 16
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assert(ref_mhz <= (vco_freq / 16));
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// Set up post dividers - div1 feeds into div2 so if div1 is 5 and div2 is 2 then you get a divide by 10
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uint32_t pdiv = (post_div1 << PLL_PRIM_POSTDIV1_LSB) |
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(post_div2 << PLL_PRIM_POSTDIV2_LSB);
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uint32_t pll_reset = (pll_usb_hw == pll) ? RESETS_RESET_PLL_USB_BITS : RESETS_RESET_PLL_SYS_BITS;
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reset_block(pll_reset);
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unreset_block_wait(pll_reset);
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// Turn off PLL in case it is already running
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pll->pwr = 0xffffffff;
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pll->fbdiv_int = 0;
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pll->cs = refdiv;
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// Put calculated value into feedback divider
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pll->fbdiv_int = fbdiv;
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// Turn on PLL
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uint32_t power = PLL_PWR_PD_BITS | // Main power
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PLL_PWR_VCOPD_BITS; // VCO Power
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hw_clear_bits(&pll->pwr, power);
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// Wait for PLL to lock
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while (!(pll->cs & PLL_CS_LOCK_BITS));
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// Set up post dividers
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pll->prim = pdiv;
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// Turn on post divider
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hw_clear_bits(&pll->pwr, PLL_PWR_POSTDIVPD_BITS);
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}
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/*
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This is a more streamlined alternative to the current pico-sdk based TinyUSB board support package.
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Sticking to C and avoiding all that C++ yields a much smaller executable.
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*/
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/* overhaul of clock_configure() from pico-sdk to use much less memory */
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__attribute__ (( section(".bootc") )) bool simple_clock_configure(enum clock_index clk_index, uint32_t src, uint32_t auxsrc, bool glitchless)
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{
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const uint32_t div = 0x100; /* always 1:1 ratio */
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clock_hw_t *clock = &clocks_hw->clk[clk_index];
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// If increasing divisor, set divisor before source. Otherwise set source
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// before divisor. This avoids a momentary overspeed when e.g. switching
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// to a faster source and increasing divisor to compensate.
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if (div > clock->div)
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clock->div = div;
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// If switching a glitchless slice (ref or sys) to an aux source, switch
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// away from aux *first* to avoid passing glitches when changing aux mux.
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// Assume (!!!) glitchless source 0 is no faster than the aux source.
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if (glitchless)
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{
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hw_clear_bits(&clock->ctrl, CLOCKS_CLK_REF_CTRL_SRC_BITS);
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while (!(clock->selected & 1u));
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}
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// If no glitchless mux, cleanly stop the clock to avoid glitches
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// propagating when changing aux mux. Note it would be a really bad idea
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// to do this on one of the glitchless clocks (clk_sys, clk_ref).
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else
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{
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hw_clear_bits(&clock->ctrl, CLOCKS_CLK_GPOUT0_CTRL_ENABLE_BITS);
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}
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// Set aux mux first, and then glitchless mux if this clock has one
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hw_write_masked(&clock->ctrl,
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(auxsrc << CLOCKS_CLK_SYS_CTRL_AUXSRC_LSB),
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CLOCKS_CLK_SYS_CTRL_AUXSRC_BITS
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);
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if (glitchless)
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{
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hw_write_masked(&clock->ctrl,
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src << CLOCKS_CLK_REF_CTRL_SRC_LSB,
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CLOCKS_CLK_REF_CTRL_SRC_BITS
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);
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while (!(clock->selected & (1u << src)));
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}
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hw_set_bits(&clock->ctrl, CLOCKS_CLK_GPOUT0_CTRL_ENABLE_BITS);
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// Now that the source is configured, we can trust that the user-supplied
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// divisor is a safe value.
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clock->div = div;
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return true;
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}
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__attribute__ (( section(".bootc") )) static void usb_clock_init(void)
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{
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hw_set_bits(&resets_hw->reset, RESETS_RESET_PLL_USB_BITS);
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hw_clear_bits(&resets_hw->reset, RESETS_RESET_PLL_USB_BITS);
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while (~resets_hw->reset_done & RESETS_RESET_PLL_USB_BITS);
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pll_init(pll_usb_hw, 1, 480 * 1000000, 5, 2);
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// CLK SYS = PLL USB (48MHz) / 1 = 48MHz
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simple_clock_configure(clk_sys,
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CLOCKS_CLK_SYS_CTRL_SRC_VALUE_CLKSRC_CLK_SYS_AUX,
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CLOCKS_CLK_SYS_CTRL_AUXSRC_VALUE_CLKSRC_PLL_USB,
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true);
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// CLK USB = PLL USB (48MHz) / 1 = 48MHz
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simple_clock_configure(clk_usb,
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0, // No GLMUX
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CLOCKS_CLK_USB_CTRL_AUXSRC_VALUE_CLKSRC_PLL_USB,
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false);
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}
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typedef void *(*rom_table_lookup_fn)(uint16_t *table, uint32_t code);
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#define rom_hword_as_ptr(rom_address) (void *)(uint32_t)(*(uint16_t *)rom_address)
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__attribute__ (( section(".bootc") )) static void *rom_func_lookup(uint32_t code)
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{
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rom_table_lookup_fn rom_table_lookup = (rom_table_lookup_fn)rom_hword_as_ptr(0x18);
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uint16_t *func_table = (uint16_t *)rom_hword_as_ptr(0x14);
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return rom_table_lookup(func_table, code);
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}
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__attribute__ (( section(".bootc") )) static void *rom_data_lookup(uint32_t code)
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{
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rom_table_lookup_fn rom_table_lookup = (rom_table_lookup_fn)rom_hword_as_ptr(0x18);
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uint16_t *data_table = (uint16_t *)rom_hword_as_ptr(0x16);
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return rom_table_lookup(data_table, code);
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}
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__attribute__ (( section(".bootc") )) static uint32_t rom_table_code(char c1, char c2)
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{
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return (c2 << 8) | c1;
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}
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typedef uint32_t (*pop_fn)(uint32_t);
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typedef void (*void_fn)(void);
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extern char unique_id[17];
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__attribute__ (( section(".bootc") )) void SystemInit(void)
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{
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void_fn connect_internal_flash = rom_func_lookup(rom_table_code('I', 'F'));
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void_fn flash_exit_xip = rom_func_lookup(rom_table_code('E', 'X'));
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connect_internal_flash();
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flash_exit_xip();
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hw_write_masked(&ioqspi_hw->io[1].ctrl,
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IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_VALUE_LOW << IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_LSB,
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IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_BITS
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);
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/* Unique ID command and 32-bits of pipeline delay */
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for (int i = 0; i < 5; i++)
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{
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ssi_hw->dr0 = 0x4B;
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while (!(ssi_hw->sr & SSI_SR_RFNE_BITS));
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(void)ssi_hw->dr0;
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}
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/* read the 64-bits and write as hex chars */
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char *pnt = unique_id;
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for (int i = 0; i < 8; i++)
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{
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ssi_hw->dr0 = 0;
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while (!(ssi_hw->sr & SSI_SR_RFNE_BITS));
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uint8_t byte = ssi_hw->dr0;
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*pnt++ = "0123456789ABCDEF"[(byte >> 4) & 0xf];
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*pnt++ = "0123456789ABCDEF"[(byte >> 0) & 0xf];
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}
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hw_write_masked(&ioqspi_hw->io[1].ctrl,
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IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_VALUE_HIGH << IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_LSB,
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IO_QSPI_GPIO_QSPI_SS_CTRL_OUTOVER_BITS
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);
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usb_clock_init();
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}
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87
myboard.c
87
myboard.c
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#include "tusb.h"
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#include <rp2040.h>
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#include "hardware/pll.h"
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/*
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This is a more streamlined alternative to the current pico-sdk based TinyUSB board support package.
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Sticking to C and avoiding all that C++ yields a much smaller executable.
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*/
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/* overhaul of clock_configure() from pico-sdk to use much less memory */
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bool simple_clock_configure(enum clock_index clk_index, uint32_t src, uint32_t auxsrc, bool glitchless)
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{
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const uint32_t div = 0x100; /* always 1:1 ratio */
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clock_hw_t *clock = &clocks_hw->clk[clk_index];
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// If increasing divisor, set divisor before source. Otherwise set source
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// before divisor. This avoids a momentary overspeed when e.g. switching
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// to a faster source and increasing divisor to compensate.
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if (div > clock->div)
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clock->div = div;
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// If switching a glitchless slice (ref or sys) to an aux source, switch
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// away from aux *first* to avoid passing glitches when changing aux mux.
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// Assume (!!!) glitchless source 0 is no faster than the aux source.
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if (glitchless)
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{
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hw_clear_bits(&clock->ctrl, CLOCKS_CLK_REF_CTRL_SRC_BITS);
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while (!(clock->selected & 1u));
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}
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// If no glitchless mux, cleanly stop the clock to avoid glitches
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// propagating when changing aux mux. Note it would be a really bad idea
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// to do this on one of the glitchless clocks (clk_sys, clk_ref).
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else
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{
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hw_clear_bits(&clock->ctrl, CLOCKS_CLK_GPOUT0_CTRL_ENABLE_BITS);
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}
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// Set aux mux first, and then glitchless mux if this clock has one
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hw_write_masked(&clock->ctrl,
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(auxsrc << CLOCKS_CLK_SYS_CTRL_AUXSRC_LSB),
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CLOCKS_CLK_SYS_CTRL_AUXSRC_BITS
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);
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if (glitchless)
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{
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hw_write_masked(&clock->ctrl,
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src << CLOCKS_CLK_REF_CTRL_SRC_LSB,
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CLOCKS_CLK_REF_CTRL_SRC_BITS
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);
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while (!(clock->selected & (1u << src)));
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}
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hw_set_bits(&clock->ctrl, CLOCKS_CLK_GPOUT0_CTRL_ENABLE_BITS);
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// Now that the source is configured, we can trust that the user-supplied
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// divisor is a safe value.
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clock->div = div;
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return true;
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}
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static void usb_clock_init(void)
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{
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hw_set_bits(&resets_hw->reset, RESETS_RESET_PLL_USB_BITS);
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hw_clear_bits(&resets_hw->reset, RESETS_RESET_PLL_USB_BITS);
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while (~resets_hw->reset_done & RESETS_RESET_PLL_USB_BITS);
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pll_init(pll_usb_hw, 1, 480 * 1000000, 5, 2);
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// CLK SYS = PLL USB (48MHz) / 1 = 48MHz
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simple_clock_configure(clk_sys,
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CLOCKS_CLK_SYS_CTRL_SRC_VALUE_CLKSRC_CLK_SYS_AUX,
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CLOCKS_CLK_SYS_CTRL_AUXSRC_VALUE_CLKSRC_PLL_USB,
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true);
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// CLK USB = PLL USB (48MHz) / 1 = 48MHz
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simple_clock_configure(clk_usb,
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0, // No GLMUX
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CLOCKS_CLK_USB_CTRL_AUXSRC_VALUE_CLKSRC_PLL_USB,
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false);
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}
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void board_init(void)
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{
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usb_clock_init();
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}
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void board_init(void) {}
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void irq_set_exclusive_handler(unsigned int num, void *handler) {}
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/* cut out the middleman and map the interrupt directly to the handler */
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@ -16,11 +16,11 @@
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<file file_name="./usb_descriptors.c" />
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<file file_name="myboard.c" />
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<file file_name="spawn.c" />
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<file file_name="bootcode.c"/>
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</folder>
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<folder Name="hal">
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<file file_name="$(TOP)/hw/bsp/board.c" />
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<file file_name="$(TOP)/src/portable/raspberrypi/rp2040/rp2040_usb.c" />
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<file file_name="$(TOP)/hw/mcu/raspberrypi/pico-sdk/src/rp2_common/hardware_pll/pll.c" />
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</folder>
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<folder Name="CMSIS-DAP">
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<file file_name="./CMSIS_5/CMSIS/DAP/Firmware/Source/DAP.c" />
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|
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@ -1,5 +1,6 @@
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<!DOCTYPE Board_Memory_Definition_File>
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<Root name="Cortex-M0">
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<MemorySegment start="0x2003BF00" size="0x4100" access="Read/Write" name="SRAM" />
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<Root name="pico-debug">
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<MemorySegment start="0x2003BD00" size="0x300" access="Read/Write" name="BOOT" />
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<MemorySegment start="0x2003C000" size="0x4000" access="Read/Write" name="SRAM" />
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<MemorySegment start="0x15000000" size="0x4000" access="Read/Write" name="XIP_SRAM" />
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</Root>
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|
|
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@ -55,25 +55,14 @@ boot_entry:
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ldr r0, =0x14000000
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ldr r1, =0
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str r1, [r0]
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/* copy initialized memory sections en masse into final destinations */
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ldr r0, =__vectors_load_start__
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ldr r1, =__vectors_start__
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ldr r2, =__rodata_end__
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cmp r0, r1
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beq copy_finished
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subs r2, r2, r1
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beq copy_finished
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copy_loop:
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ldrb r3, [r0]
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adds r0, r0, #1
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strb r3, [r1]
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adds r1, r1, #1
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subs r2, r2, #1
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bne copy_loop
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copy_finished:
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/* undocumented step to ensure XIP_SRAM is ready for accesses */
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ldr r1, [r0, #4]
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#endif
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ldr r0, =__SRAM_segment_end__
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mov sp, r0
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bl SystemInit
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ldr r2, =__vectors_start__ /* origin of where vector table now resides */
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ldr r1, [r2] /* load stack pointer from user app */
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ldr r0, [r2, #4] /* load reset address from user app */
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|
|
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@ -1,8 +1,10 @@
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|||
<!DOCTYPE Linker_Placement_File>
|
||||
<Root name="picodebug Section Placement">
|
||||
<MemorySegment name="SRAM">
|
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<MemorySegment name="BOOT">
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<ProgramSection alignment="4" load="Yes" name=".boot" />
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<ProgramSection alignment="4" load="Yes" name=".bootc" />
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</MemorySegment>
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<MemorySegment name="SRAM">
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<ProgramSection alignment="0x100" load="Yes" name=".vectors" />
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<ProgramSection alignment="4" load="Yes" name=".text" />
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<ProgramSection alignment="4" load="Yes" name=".data" />
|
||||
|
|
|
@ -3,13 +3,13 @@
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<MemorySegment name="SRAM">
|
||||
<ProgramSection alignment="4" load="Yes" name=".boot" />
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<ProgramSection alignment="4" load="Yes" name=".bootc" />
|
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<ProgramSection alignment="0x100" load="Yes" runoffset="0x15000000-0x2003C000" name=".vectors" />
|
||||
<ProgramSection alignment="4" load="Yes" runoffset="0x15000000-0x2003C000" name=".text" />
|
||||
<ProgramSection alignment="4" load="Yes" runoffset="0x15000000-0x2003C000" name=".data" />
|
||||
<ProgramSection alignment="4" load="Yes" runoffset="0x15000000-0x2003C000" name=".rodata" />
|
||||
<ProgramSection alignment="4" load="No" runoffset="0x15000000-0x2003C000" name=".bss" />
|
||||
<ProgramSection alignment="8" size="__STACKSIZE__" load="No" runoffset="0x15000000-0x2003C000" name=".stack" />
|
||||
</MemorySegment>
|
||||
<MemorySegment name="XIP_SRAM">
|
||||
<ProgramSection alignment="0x100" load="Yes" name=".vectors" />
|
||||
<ProgramSection alignment="4" load="Yes" name=".text" />
|
||||
<ProgramSection alignment="4" load="Yes" name=".data" />
|
||||
<ProgramSection alignment="4" load="Yes" name=".rodata" />
|
||||
<ProgramSection alignment="4" load="No" name=".bss" />
|
||||
<ProgramSection alignment="8" size="__STACKSIZE__" load="No" name=".stack" />
|
||||
</MemorySegment>
|
||||
</Root>
|
||||
|
|
|
@ -5,6 +5,8 @@ enum
|
|||
{
|
||||
STRID_LANGID = 0,
|
||||
STRID_PRODUCT,
|
||||
STRID_MANUFACTURER,
|
||||
STRID_SERIAL,
|
||||
};
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
|
@ -23,11 +25,11 @@ tusb_desc_device_t const desc_device =
|
|||
/* using Dapper Miser CMSIS-DAP VID:PID */
|
||||
.idVendor = 0x1209,
|
||||
.idProduct = 0x2488,
|
||||
.bcdDevice = 0x1002,
|
||||
.bcdDevice = 0x1003,
|
||||
|
||||
.iManufacturer = 0,
|
||||
.iManufacturer = STRID_MANUFACTURER,
|
||||
.iProduct = STRID_PRODUCT,
|
||||
.iSerialNumber = 0,
|
||||
.iSerialNumber = STRID_SERIAL,
|
||||
|
||||
.bNumConfigurations = 0x01
|
||||
};
|
||||
|
@ -92,11 +94,15 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
|||
// String Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
char unique_id[17] = "0000000000000000";
|
||||
|
||||
// array of pointer to string descriptors
|
||||
char const* string_desc_arr [] =
|
||||
{
|
||||
[STRID_LANGID] = (const char[]) { 0x09, 0x04 }, // supported language is English (0x0409)
|
||||
[STRID_PRODUCT] = "CMSIS-DAP", // Product
|
||||
[STRID_MANUFACTURER] = "pico-debug", // Manufacturer
|
||||
[STRID_SERIAL] = (const char *)unique_id, // Serial
|
||||
};
|
||||
|
||||
static uint16_t _desc_str[32];
|
||||
|
|
Ładowanie…
Reference in New Issue