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redpitaya-puzzlefw
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Separate register for acquisition DMA channel status

This commit is contained in:
Joris van Rantwijk 2024-08-27 16:03:31 +02:00
parent 393d87f9d2
commit 38281d814d
4 changed files with 36 additions and 28 deletions
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13
fpga/rtl/puzzlefw_pkg.vhd
View File

@ -55,8 +55,9 @@ package puzzlefw_pkg is
constant reg_acq_addr_limit: natural := 16#000208#;
constant reg_acq_addr_intr: natural := 16#00020c#;
constant reg_acq_addr_ptr: natural := 16#000210#;
constant reg_acq_channel_ctrl: natural := 16#000214#;
constant reg_acq_dma_ctrl: natural := 16#000214#;
constant reg_acq_intr_ctrl: natural := 16#000218#;
constant reg_acq_dma_status: natural := 16#00021c#;
constant reg_acquisition_en: natural := 16#000220#;
constant reg_record_length: natural := 16#000224#;
constant reg_decimation_factor: natural := 16#000228#;
@ -106,8 +107,8 @@ package puzzlefw_pkg is
acq_addr_end: std_logic_vector(31 downto 7);
acq_addr_limit: std_logic_vector(31 downto 7);
acq_addr_intr: std_logic_vector(31 downto 3);
acq_channel_en: std_logic;
acq_channel_init: std_logic; -- single cycle
acq_dma_en: std_logic;
acq_dma_init: std_logic; -- single cycle
acq_intr_en: std_logic;
acq_intr_clear: std_logic; -- single cycle
acquisition_en: std_logic;
@ -138,7 +139,7 @@ package puzzlefw_pkg is
dma_err_any: std_logic;
timestamp: std_logic_vector(timestamp_bits - 1 downto 0);
acq_addr_ptr: std_logic_vector(31 downto 3);
acq_channel_busy: std_logic;
acq_dma_busy: std_logic;
trig_waiting: std_logic;
adc_sample: adc_data_array(0 to 3);
adc_min_value: adc_data_array(0 to 3);
@ -156,8 +157,8 @@ package puzzlefw_pkg is
acq_addr_end => (others => '0'),
acq_addr_limit => (others => '0'),
acq_addr_intr => (others => '0'),
acq_channel_en => '0',
acq_channel_init => '0',
acq_dma_en => '0',
acq_dma_init => '0',
acq_intr_en => '0',
acq_intr_clear => '0',
acquisition_en => '0',

8
fpga/rtl/puzzlefw_top.vhd
View File

@ -355,7 +355,7 @@ begin
);
-- DMA Write Channel
inst_write_channel: entity work.dma_write_channel
inst_acq_dma: entity work.dma_write_channel
generic map (
transfer_size_bits => 4,
queue_size_bits => 10,
@ -363,9 +363,9 @@ begin
port map (
clk => clk_adc,
reset => s_reset,
channel_en => s_reg_control.acq_channel_en,
channel_busy => s_reg_status.acq_channel_busy,
channel_init => s_reg_control.acq_channel_init,
channel_en => s_reg_control.acq_dma_en,
channel_busy => s_reg_status.acq_dma_busy,
channel_init => s_reg_control.acq_dma_init,
addr_start => s_reg_control.acq_addr_start,
addr_end => s_reg_control.acq_addr_end,
addr_limit => s_reg_control.acq_addr_limit,

14
fpga/rtl/registers.vhd
View File

@ -72,7 +72,7 @@ begin
-- Clear single-cycle trigger pulses.
v.reg_control.dma_clear := '0';
v.reg_control.timestamp_clear := '0';
v.reg_control.acq_channel_init := '0';
v.reg_control.acq_dma_init := '0';
v.reg_control.acq_intr_clear := '0';
v.reg_control.trig_force := '0';
v.reg_control.adc_range_clear := '0';
@ -105,10 +105,10 @@ begin
when reg_acq_addr_limit => v.prdata(31 downto 7) := r.reg_control.acq_addr_limit;
when reg_acq_addr_intr => v.prdata(31 downto 3) := r.reg_control.acq_addr_intr;
when reg_acq_addr_ptr => v.prdata(31 downto 3) := reg_status.acq_addr_ptr;
when reg_acq_channel_ctrl =>
v.prdata(0) := r.reg_control.acq_channel_en;
v.prdata(8) := reg_status.acq_channel_busy;
when reg_acq_dma_ctrl =>
v.prdata(0) := r.reg_control.acq_dma_en;
when reg_acq_intr_ctrl => v.prdata(0) := r.reg_control.acq_intr_en;
when reg_acq_dma_status => v.prdata(0) := reg_status.acq_dma_busy;
when reg_acquisition_en => v.prdata(0) := r.reg_control.acquisition_en;
when reg_record_length => v.prdata(15 downto 0) := r.reg_control.record_length;
when reg_decimation_factor => v.prdata(17 downto 0) := r.reg_control.decimation_factor;
@ -161,9 +161,9 @@ begin
when reg_acq_addr_end => v.reg_control.acq_addr_end := apb_pwdata(31 downto 7);
when reg_acq_addr_limit => v.reg_control.acq_addr_limit := apb_pwdata(31 downto 7);
when reg_acq_addr_intr => v.reg_control.acq_addr_intr := apb_pwdata(31 downto 3);
when reg_acq_channel_ctrl =>
v.reg_control.acq_channel_en := apb_pwdata(0);
v.reg_control.acq_channel_init := apb_pwdata(1);
when reg_acq_dma_ctrl =>
v.reg_control.acq_dma_en := apb_pwdata(0);
v.reg_control.acq_dma_init := apb_pwdata(1);
when reg_acq_intr_ctrl =>
v.reg_control.acq_intr_en := apb_pwdata(0);
v.reg_control.acq_intr_clear := apb_pwdata(1);

29
os/src/userspace/testje.c
View File

@ -39,8 +39,9 @@
#define REG_ACQ_ADDR_LIMIT 0x0208
#define REG_ACQ_ADDR_INTR 0x020c
#define REG_ACQ_ADDR_PTR 0x0210
#define REG_ACQ_CHANNEL_CTRL 0x0214
#define REG_ACQ_DMA_CTRL 0x0214
#define REG_ACQ_INTR_CTRL 0x0218
#define REG_ACQ_DMA_STATUS 0x021c
#define REG_ACQUISITION_EN 0x0220
#define REG_RECORD_LENGTH 0x0224
#define REG_DECIMATION_FACTOR 0x0228
@ -575,12 +576,18 @@ static void show_status(struct puzzlefw_context *ctx)
v = puzzlefw_read_reg(ctx, REG_ACQ_ADDR_PTR);
printf(" acq_addr_ptr = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_ACQ_CHANNEL_CTRL);
printf(" acq_channel_ctrl = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_ACQ_DMA_CTRL);
printf(" acq_dma_ctrl = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_ACQ_DMA_STATUS);
printf(" acq_dma_status = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_ACQ_INTR_CTRL);
printf(" acq_intr_ctrl = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_ACQUISITION_EN);
printf(" acquisition_en = 0x%08x\n", v);
v = puzzlefw_read_reg(ctx, REG_SIMULATE_ADC);
printf(" simulate_adc = 0x%08x\n", v);
@ -672,7 +679,7 @@ static void blast_dma(struct puzzlefw_context *ctx)
printf("Starting DMA blaster ...\n");
// Disable DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 0);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 0);
// Setup DMA buffer.
puzzlefw_write_reg(ctx, REG_ACQ_ADDR_START, 0);
@ -682,10 +689,10 @@ static void blast_dma(struct puzzlefw_context *ctx)
puzzlefw_write_reg(ctx, REG_ACQ_ADDR_LIMIT, 0xffffffff);
// Initialize DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 2);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 2);
// Enable DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 1);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 1);
struct timespec tp;
tp.tv_sec = 10;
@ -693,7 +700,7 @@ static void blast_dma(struct puzzlefw_context *ctx)
clock_nanosleep(CLOCK_MONOTONIC, 0, &tp, NULL);
// Disable DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 0);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 0);
printf("Stopped DMA blaster\n");
}
@ -856,7 +863,7 @@ int transmit_dma_data(struct puzzlefw_context *ctx, int conn)
puzzlefw_write_reg(ctx, REG_DMA_EN, 0);
// Disable DMA write channel.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 0);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 0);
// Initialize DMA write buffer.
puzzlefw_write_reg(ctx, REG_ACQ_ADDR_START, 0);
@ -874,10 +881,10 @@ int transmit_dma_data(struct puzzlefw_context *ctx, int conn)
puzzlefw_write_reg(ctx, REG_DMA_EN, 1);
// Initialize DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 2);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 2);
// Enable DMA writer.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 1);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 1);
uint32_t read_pointer = 0;
int ret;
@ -971,7 +978,7 @@ int transmit_dma_data(struct puzzlefw_context *ctx, int conn)
puzzlefw_write_reg(ctx, REG_DMA_EN, 0);
// Disable DMA write channel.
puzzlefw_write_reg(ctx, REG_ACQ_CHANNEL_CTRL, 0);
puzzlefw_write_reg(ctx, REG_ACQ_DMA_CTRL, 0);
// Disable DMA writer interrupts; clear interrupt status.
puzzlefw_write_reg(ctx, REG_ACQ_INTR_CTRL, 2);