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lib: make drivestrength and slewrate configurable

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This commit is contained in:
Steve Markgraf 2025-02-12 00:16:43 +01:00
parent 6108b0007c
commit 1bdf43ae94
7 changed files with 14 additions and 12 deletions
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2
apps/counter/counter.c
View file

@ -129,7 +129,7 @@ int main()
stdio_init_all();
hsdaoh_init();
hsdaoh_init(GPIO_DRIVE_STRENGTH_4MA, GPIO_SLEW_RATE_SLOW);
hsdaoh_add_stream(0, 1, (SYS_CLK/8) * 1000, RBUF_MAX_DATA_LEN, ringbuffer);
hsdaoh_start();
init_pio_input();

2
apps/dual_external_adc/dual_external_adc.c
View file

@ -241,7 +241,7 @@ int main()
stdio_init_all();
hsdaoh_init();
hsdaoh_init(GPIO_DRIVE_STRENGTH_4MA, GPIO_SLEW_RATE_SLOW);
hsdaoh_add_stream(0, 1, (SYS_CLK/8) * 1000, ADC_DATA_LEN, ringbuffer);
hsdaoh_add_stream(1, 1, 75000, AUDIO_DATA_LEN, audio_ringbuffer);
hsdaoh_start();

2
apps/external_adc/external_adc.c
View file

@ -230,7 +230,7 @@ int main()
stdio_init_all();
hsdaoh_init();
hsdaoh_init(GPIO_DRIVE_STRENGTH_4MA, GPIO_SLEW_RATE_SLOW);
hsdaoh_add_stream(0, 1, (SYS_CLK/4) * 1000, ADC_DATA_LEN, ringbuffer);
hsdaoh_add_stream(1, 1, 75000, AUDIO_DATA_LEN, audio_ringbuffer);
hsdaoh_start();

2
apps/internal_adc/internal_adc.c
View file

@ -152,7 +152,7 @@ int main()
stdio_init_all();
hsdaoh_init();
hsdaoh_init(GPIO_DRIVE_STRENGTH_4MA, GPIO_SLEW_RATE_SLOW);
hsdaoh_add_stream(0, 1, (SYS_CLK/8) * 1000, RBUF_MAX_DATA_LEN, ringbuffer);
hsdaoh_start();
init_adc_input();

2
apps/logic_analyzer/logic_analyzer.c
View file

@ -135,7 +135,7 @@ int main()
stdio_init_all();
hsdaoh_init();
hsdaoh_init(GPIO_DRIVE_STRENGTH_4MA, GPIO_SLEW_RATE_SLOW);
hsdaoh_add_stream(0, 1, (SYS_CLK/8) * 1000, RBUF_MAX_DATA_LEN, ringbuffer);
hsdaoh_start();
init_pio_input();

14
libpicohsdaoh/picohsdaoh.c
View file

@ -40,11 +40,8 @@
#include "hardware/structs/hstx_ctrl.h"
#include "hardware/structs/hstx_fifo.h"
#include "pico/multicore.h"
#include "data_packet.h"
#include "pico/stdlib.h"
#include "data_packet.h"
#include "picohsdaoh.h"
// Section 5.4.2
@ -305,7 +302,7 @@ int hsdaoh_add_stream(uint16_t stream_id, uint16_t format, uint32_t samplerate,
return 0;
}
void hsdaoh_init(void)
void hsdaoh_init(int dstrength, int slewrate)
{
for (uint i = 0; i < MAX_STREAMS; i++)
streams[i].active = false;
@ -372,8 +369,13 @@ void hsdaoh_init(void)
hstx_ctrl_hw->bit[bit + 1] = lane_data_sel_bits | HSTX_CTRL_BIT0_INV_BITS;
}
for (int i = 12; i <= 19; ++i)
for (int i = 12; i <= 19; ++i) {
gpio_set_input_enabled(i, false);
gpio_disable_pulls(i);
gpio_set_drive_strength(i, dstrength);
gpio_set_slew_rate(i, slewrate);
gpio_set_function(i, 0); // HSTX
}
/* All channels are set up identically, to transfer a whole scanline and
* then chain to the net channel. Each time a channel finishes, we

2
libpicohsdaoh/picohsdaoh.h
View file

@ -49,7 +49,7 @@ typedef struct
} __attribute__((packed, aligned(1))) metadata_t;
void hsdaoh_start(void);
void hsdaoh_init(void);
void hsdaoh_init(int dstrength, int slewrate);
void hsdaoh_update_head(int stream_id, int head);
int hsdaoh_add_stream(uint16_t stream_id, uint16_t format, uint32_t samplerate, uint length, uint16_t *ringbuf);