saleae-logic16: Consolidate the samplerate limits into a single bitrate cap

[libsigrok.git] / src / hardware / saleae-logic16 / protocol.c

diff --git a/src/hardware/saleae-logic16/protocol.c b/src/hardware/saleae-logic16/protocol.c
index 4cdc28f3f652fbe1e88086bb0f2f4638bd2db25d..997a829a0190b6ce4de1213ec4790828f6ca99d1 100644 (file)
--- a/src/hardware/saleae-logic16/protocol.c
+++ b/src/hardware/saleae-logic16/protocol.c
@@ -35,11 +35,7 @@
 #define FPGA_FIRMWARE_33       "saleae-logic16-fpga-33.bitstream"
 
 #define MAX_SAMPLE_RATE                SR_MHZ(100)
-#define MAX_4CH_SAMPLE_RATE    SR_MHZ(50)
-#define MAX_7CH_SAMPLE_RATE    SR_MHZ(40)
-#define MAX_8CH_SAMPLE_RATE    SR_MHZ(32)
-#define MAX_10CH_SAMPLE_RATE   SR_MHZ(25)
-#define MAX_13CH_SAMPLE_RATE   SR_MHZ(16)
+#define MAX_SAMPLE_RATE_X_CH   SR_MHZ(300)
 
 #define BASE_CLOCK_0_FREQ      SR_MHZ(100)
 #define BASE_CLOCK_1_FREQ      SR_MHZ(160)
@@ -596,11 +592,7 @@ SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
                if (channels & (1U << i))
                        nchan++;
 
-       if ((nchan >= 13 && samplerate > MAX_13CH_SAMPLE_RATE) ||
-           (nchan >= 10 && samplerate > MAX_10CH_SAMPLE_RATE) ||
-           (nchan >= 8  && samplerate > MAX_8CH_SAMPLE_RATE) ||
-           (nchan >= 7  && samplerate > MAX_7CH_SAMPLE_RATE) ||
-           (nchan >= 4  && samplerate > MAX_4CH_SAMPLE_RATE)) {
+       if (nchan * samplerate > MAX_SAMPLE_RATE_X_CH) {
                sr_err("Unable to sample at %" PRIu64 "Hz "
                       "with this many channels.", samplerate);
                return SR_ERR;