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Diffstat (limited to 'firmware/target/arm/imx233/lradc-imx233.c')
-rw-r--r--firmware/target/arm/imx233/lradc-imx233.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/firmware/target/arm/imx233/lradc-imx233.c b/firmware/target/arm/imx233/lradc-imx233.c
index d95a002663..db44f9100a 100644
--- a/firmware/target/arm/imx233/lradc-imx233.c
+++ b/firmware/target/arm/imx233/lradc-imx233.c
@@ -66,10 +66,8 @@ void imx233_lradc_set_channel_irq_callback(int channel, lradc_irq_fn_t cb)
66 imx233_icoll_enable_interrupt(INT_SRC_LRADC_CHx(channel), cb != NULL); 66 imx233_icoll_enable_interrupt(INT_SRC_LRADC_CHx(channel), cb != NULL);
67} 67}
68 68
69void imx233_lradc_setup_channel(int channel, bool div2, bool acc, int nr_samples, int src) 69void imx233_lradc_setup_source(int channel, bool div2, int src)
70{ 70{
71 HW_LRADC_CHn_CLR(channel) = BM_OR2(LRADC_CHn, NUM_SAMPLES, ACCUMULATE);
72 HW_LRADC_CHn_SET(channel) = BF_OR2(LRADC_CHn, NUM_SAMPLES(nr_samples), ACCUMULATE(acc));
73 if(div2) 71 if(div2)
74 BF_SETV(LRADC_CTRL2, DIVIDE_BY_TWO, 1 << channel); 72 BF_SETV(LRADC_CTRL2, DIVIDE_BY_TWO, 1 << channel);
75 else 73 else
@@ -93,6 +91,12 @@ void imx233_lradc_setup_channel(int channel, bool div2, bool acc, int nr_samples
93#endif 91#endif
94} 92}
95 93
94void imx233_lradc_setup_sampling(int channel, bool acc, int nr_samples)
95{
96 HW_LRADC_CHn_CLR(channel) = BM_OR2(LRADC_CHn, NUM_SAMPLES, ACCUMULATE);
97 HW_LRADC_CHn_SET(channel) = BF_OR2(LRADC_CHn, NUM_SAMPLES(nr_samples), ACCUMULATE(acc));
98}
99
96void imx233_lradc_setup_delay(int dchan, int trigger_lradc, int trigger_delays, 100void imx233_lradc_setup_delay(int dchan, int trigger_lradc, int trigger_delays,
97 int loop_count, int delay) 101 int loop_count, int delay)
98{ 102{
@@ -202,8 +206,10 @@ void imx233_lradc_reserve_delay(int channel)
202#if IMX233_SUBTARGET >= 3700 206#if IMX233_SUBTARGET >= 3700
203int imx233_lradc_sense_die_temperature(int nmos_chan, int pmos_chan) 207int imx233_lradc_sense_die_temperature(int nmos_chan, int pmos_chan)
204{ 208{
205 imx233_lradc_setup_channel(nmos_chan, false, false, 0, LRADC_SRC_NMOS_THIN); 209 imx233_lradc_setup_source(nmos_chan, false, LRADC_SRC_NMOS_THIN);
206 imx233_lradc_setup_channel(pmos_chan, false, false, 0, LRADC_SRC_PMOS_THIN); 210 imx233_lradc_setup_sampling(nmos_chan, false, 0);
211 imx233_lradc_setup_source(pmos_chan, false, LRADC_SRC_PMOS_THIN);
212 imx233_lradc_setup_sampling(pmos_chan, false, 0);
207 // mux sensors 213 // mux sensors
208 BF_CLR(LRADC_CTRL2, TEMPSENSE_PWD); 214 BF_CLR(LRADC_CTRL2, TEMPSENSE_PWD);
209 imx233_lradc_clear_channel(nmos_chan); 215 imx233_lradc_clear_channel(nmos_chan);
@@ -247,7 +253,8 @@ int imx233_lradc_sense_ext_temperature(int chan, int sensor)
247{ 253{
248#define EXT_TEMP_ACC_COUNT 5 254#define EXT_TEMP_ACC_COUNT 5
249 /* setup channel */ 255 /* setup channel */
250 imx233_lradc_setup_channel(chan, false, false, 0, sensor); 256 imx233_lradc_setup_source(chan, false, sensor);
257 imx233_lradc_setup_sampling(chan, false, 0);
251 /* set current source to 300µA */ 258 /* set current source to 300µA */
252 imx233_lradc_set_temp_isrc(sensor, BV_LRADC_CTRL2_TEMP_ISRC0__300); 259 imx233_lradc_set_temp_isrc(sensor, BV_LRADC_CTRL2_TEMP_ISRC0__300);
253 /* read value and accumulate */ 260 /* read value and accumulate */
@@ -350,7 +357,8 @@ void imx233_lradc_init(void)
350 battery_chan = 7; 357 battery_chan = 7;
351 imx233_lradc_reserve_channel(battery_chan); 358 imx233_lradc_reserve_channel(battery_chan);
352 /* setup them for the simplest use: no accumulation, no division*/ 359 /* setup them for the simplest use: no accumulation, no division*/
353 imx233_lradc_setup_channel(battery_chan, false, false, 0, LRADC_SRC_BATTERY); 360 imx233_lradc_setup_source(battery_chan, false, LRADC_SRC_BATTERY);
361 imx233_lradc_setup_sampling(battery_chan, false, 0);
354 /* setup delay channel for battery for automatic reading and scaling */ 362 /* setup delay channel for battery for automatic reading and scaling */
355 battery_delay_chan = 0; 363 battery_delay_chan = 0;
356 imx233_lradc_reserve_delay(battery_delay_chan); 364 imx233_lradc_reserve_delay(battery_delay_chan);